./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee043a380462a1c76ab3130ca5e702431f3ce27542f408d77a3f5f81e3836d71 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:01:08,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:01:08,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:01:08,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:01:08,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:01:08,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:01:08,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:01:08,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:01:08,627 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:01:08,628 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:01:08,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:01:08,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:01:08,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:01:08,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:01:08,631 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:01:08,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:01:08,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:01:08,632 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:01:08,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:01:08,633 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:01:08,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:01:08,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:01:08,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:01:08,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:01:08,635 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:01:08,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:01:08,636 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:01:08,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:01:08,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:01:08,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:01:08,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:01:08,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:01:08,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:01:08,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:01:08,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:01:08,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:01:08,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:01:08,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:01:08,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:01:08,640 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:01:08,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:01:08,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:01:08,641 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee043a380462a1c76ab3130ca5e702431f3ce27542f408d77a3f5f81e3836d71 [2023-11-29 04:01:08,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:01:08,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:01:08,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:01:08,909 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:01:08,909 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:01:08,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i [2023-11-29 04:01:11,619 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:01:13,862 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:01:13,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i [2023-11-29 04:01:13,872 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/data/081c1790d/5bb4049a5ab74810883f91728e188d37/FLAG0bcc9cab1 [2023-11-29 04:01:13,887 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/data/081c1790d/5bb4049a5ab74810883f91728e188d37 [2023-11-29 04:01:13,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:01:13,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:01:13,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:01:13,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:01:13,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:01:13,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:01:13" (1/1) ... [2023-11-29 04:01:13,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fca65b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:13, skipping insertion in model container [2023-11-29 04:01:13,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:01:13" (1/1) ... [2023-11-29 04:01:13,927 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:01:14,046 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i[916,929] [2023-11-29 04:01:14,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:01:14,124 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:01:14,138 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i[916,929] [2023-11-29 04:01:14,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:01:14,197 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:01:14,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:14 WrapperNode [2023-11-29 04:01:14,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:01:14,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:01:14,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:01:14,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:01:14,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:14" (1/1) ... [2023-11-29 04:01:14,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:14" (1/1) ... [2023-11-29 04:01:14,264 INFO L138 Inliner]: procedures = 29, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 470 [2023-11-29 04:01:14,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:01:14,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:01:14,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:01:14,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:01:14,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:14" (1/1) ... [2023-11-29 04:01:14,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:14" (1/1) ... [2023-11-29 04:01:14,282 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:14" (1/1) ... [2023-11-29 04:01:14,305 INFO L175 MemorySlicer]: Split 134 memory accesses to 8 slices as follows [2, 16, 11, 54, 3, 4, 10, 34]. 40 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 2, 2, 4, 1, 1, 2, 4]. The 19 writes are split as follows [0, 2, 2, 6, 1, 1, 2, 5]. [2023-11-29 04:01:14,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:14" (1/1) ... [2023-11-29 04:01:14,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:14" (1/1) ... [2023-11-29 04:01:14,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:14" (1/1) ... [2023-11-29 04:01:14,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:14" (1/1) ... [2023-11-29 04:01:14,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:14" (1/1) ... [2023-11-29 04:01:14,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:14" (1/1) ... [2023-11-29 04:01:14,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:01:14,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:01:14,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:01:14,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:01:14,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:14" (1/1) ... [2023-11-29 04:01:14,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:01:14,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:01:14,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:01:14,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:01:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:01:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 04:01:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 04:01:14,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-29 04:01:14,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-29 04:01:14,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-29 04:01:14,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-29 04:01:14,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-29 04:01:14,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2023-11-29 04:01:14,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 04:01:14,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 04:01:14,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 04:01:14,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 04:01:14,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 04:01:14,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 04:01:14,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 04:01:14,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 04:01:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 04:01:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 04:01:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-29 04:01:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-29 04:01:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-29 04:01:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-29 04:01:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-11-29 04:01:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2023-11-29 04:01:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 04:01:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 04:01:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 04:01:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 04:01:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 04:01:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 04:01:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 04:01:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 04:01:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 04:01:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 04:01:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-29 04:01:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-29 04:01:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-29 04:01:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-29 04:01:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-11-29 04:01:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2023-11-29 04:01:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:01:14,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:01:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:01:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 04:01:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 04:01:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 04:01:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 04:01:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 04:01:14,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 04:01:14,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 04:01:14,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:01:14,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:01:14,565 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:01:14,567 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:01:15,033 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:01:15,068 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:01:15,068 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:01:15,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:01:15 BoogieIcfgContainer [2023-11-29 04:01:15,069 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:01:15,072 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:01:15,072 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:01:15,075 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:01:15,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:01:13" (1/3) ... [2023-11-29 04:01:15,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53356ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:01:15, skipping insertion in model container [2023-11-29 04:01:15,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:14" (2/3) ... [2023-11-29 04:01:15,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53356ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:01:15, skipping insertion in model container [2023-11-29 04:01:15,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:01:15" (3/3) ... [2023-11-29 04:01:15,078 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-88.i [2023-11-29 04:01:15,098 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:01:15,098 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:01:15,148 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:01:15,155 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c00253b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:01:15,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:01:15,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 90 states have (on average 1.4666666666666666) internal successors, (132), 91 states have internal predecessors, (132), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 04:01:15,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 04:01:15,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:15,176 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:15,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:15,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:15,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1793142710, now seen corresponding path program 1 times [2023-11-29 04:01:15,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:15,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360153306] [2023-11-29 04:01:15,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:15,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:15,593 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:15,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:15,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360153306] [2023-11-29 04:01:15,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360153306] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:15,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:15,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:01:15,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69454625] [2023-11-29 04:01:15,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:15,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:01:15,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:15,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:01:15,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:01:15,636 INFO L87 Difference]: Start difference. First operand has 110 states, 90 states have (on average 1.4666666666666666) internal successors, (132), 91 states have internal predecessors, (132), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:01:15,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:15,683 INFO L93 Difference]: Finished difference Result 217 states and 347 transitions. [2023-11-29 04:01:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:01:15,686 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2023-11-29 04:01:15,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:15,695 INFO L225 Difference]: With dead ends: 217 [2023-11-29 04:01:15,695 INFO L226 Difference]: Without dead ends: 108 [2023-11-29 04:01:15,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:01:15,703 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:15,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:01:15,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-29 04:01:15,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2023-11-29 04:01:15,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 89 states have internal predecessors, (127), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 04:01:15,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 161 transitions. [2023-11-29 04:01:15,755 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 161 transitions. Word has length 138 [2023-11-29 04:01:15,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:15,755 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 161 transitions. [2023-11-29 04:01:15,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:01:15,756 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2023-11-29 04:01:15,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 04:01:15,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:15,761 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:15,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:01:15,761 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:15,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:15,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1727278884, now seen corresponding path program 1 times [2023-11-29 04:01:15,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:15,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86870190] [2023-11-29 04:01:15,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:15,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,130 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:16,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:16,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86870190] [2023-11-29 04:01:16,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86870190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:16,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:16,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:01:16,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581391515] [2023-11-29 04:01:16,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:16,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:01:16,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:16,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:01:16,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:01:16,134 INFO L87 Difference]: Start difference. First operand 108 states and 161 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:16,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:16,194 INFO L93 Difference]: Finished difference Result 227 states and 338 transitions. [2023-11-29 04:01:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:01:16,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2023-11-29 04:01:16,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:16,198 INFO L225 Difference]: With dead ends: 227 [2023-11-29 04:01:16,198 INFO L226 Difference]: Without dead ends: 120 [2023-11-29 04:01:16,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:01:16,200 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 21 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:16,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 462 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:01:16,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-29 04:01:16,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 110. [2023-11-29 04:01:16,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 91 states have internal predecessors, (129), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 04:01:16,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 163 transitions. [2023-11-29 04:01:16,215 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 163 transitions. Word has length 138 [2023-11-29 04:01:16,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:16,217 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 163 transitions. [2023-11-29 04:01:16,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:16,217 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 163 transitions. [2023-11-29 04:01:16,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 04:01:16,220 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:16,221 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:16,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:01:16,221 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:16,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:16,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1758341786, now seen corresponding path program 1 times [2023-11-29 04:01:16,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:16,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075071973] [2023-11-29 04:01:16,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:16,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:16,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:16,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075071973] [2023-11-29 04:01:16,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075071973] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:16,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:16,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:01:16,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822565170] [2023-11-29 04:01:16,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:16,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:01:16,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:16,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:01:16,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:01:16,466 INFO L87 Difference]: Start difference. First operand 110 states and 163 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:16,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:16,509 INFO L93 Difference]: Finished difference Result 227 states and 336 transitions. [2023-11-29 04:01:16,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:01:16,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2023-11-29 04:01:16,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:16,512 INFO L225 Difference]: With dead ends: 227 [2023-11-29 04:01:16,512 INFO L226 Difference]: Without dead ends: 118 [2023-11-29 04:01:16,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:01:16,515 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 12 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:16,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 460 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:01:16,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-29 04:01:16,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 112. [2023-11-29 04:01:16,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 93 states have (on average 1.4086021505376345) internal successors, (131), 93 states have internal predecessors, (131), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 04:01:16,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 165 transitions. [2023-11-29 04:01:16,528 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 165 transitions. Word has length 138 [2023-11-29 04:01:16,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:16,528 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 165 transitions. [2023-11-29 04:01:16,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:16,529 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 165 transitions. [2023-11-29 04:01:16,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 04:01:16,531 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:16,531 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:16,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:01:16,532 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:16,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:16,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1815600088, now seen corresponding path program 1 times [2023-11-29 04:01:16,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:16,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221935025] [2023-11-29 04:01:16,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:16,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,120 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:17,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:17,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221935025] [2023-11-29 04:01:17,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221935025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:17,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:17,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:01:17,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156703146] [2023-11-29 04:01:17,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:17,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:01:17,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:17,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:01:17,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:01:17,124 INFO L87 Difference]: Start difference. First operand 112 states and 165 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:17,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:17,295 INFO L93 Difference]: Finished difference Result 279 states and 408 transitions. [2023-11-29 04:01:17,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:01:17,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2023-11-29 04:01:17,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:17,298 INFO L225 Difference]: With dead ends: 279 [2023-11-29 04:01:17,298 INFO L226 Difference]: Without dead ends: 168 [2023-11-29 04:01:17,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:01:17,300 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 195 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:17,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 528 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:01:17,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-11-29 04:01:17,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 137. [2023-11-29 04:01:17,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 110 states have (on average 1.3727272727272728) internal successors, (151), 111 states have internal predecessors, (151), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 04:01:17,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2023-11-29 04:01:17,317 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 138 [2023-11-29 04:01:17,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:17,318 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2023-11-29 04:01:17,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:17,318 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2023-11-29 04:01:17,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 04:01:17,320 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:17,320 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:17,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:01:17,321 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:17,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:17,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1413449306, now seen corresponding path program 1 times [2023-11-29 04:01:17,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:17,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769086918] [2023-11-29 04:01:17,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:17,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:17,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:17,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769086918] [2023-11-29 04:01:17,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769086918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:17,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:17,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:01:17,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137020171] [2023-11-29 04:01:17,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:17,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:01:17,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:17,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:01:17,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:01:17,571 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:17,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:17,651 INFO L93 Difference]: Finished difference Result 281 states and 406 transitions. [2023-11-29 04:01:17,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:01:17,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2023-11-29 04:01:17,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:17,655 INFO L225 Difference]: With dead ends: 281 [2023-11-29 04:01:17,655 INFO L226 Difference]: Without dead ends: 164 [2023-11-29 04:01:17,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:01:17,657 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 89 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:17,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 628 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:01:17,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-29 04:01:17,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 140. [2023-11-29 04:01:17,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 113 states have (on average 1.3628318584070795) internal successors, (154), 114 states have internal predecessors, (154), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 04:01:17,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 202 transitions. [2023-11-29 04:01:17,673 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 202 transitions. Word has length 140 [2023-11-29 04:01:17,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:17,674 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 202 transitions. [2023-11-29 04:01:17,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:17,675 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 202 transitions. [2023-11-29 04:01:17,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 04:01:17,677 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:17,677 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:17,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:01:17,678 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:17,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:17,678 INFO L85 PathProgramCache]: Analyzing trace with hash 2017021344, now seen corresponding path program 1 times [2023-11-29 04:01:17,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:17,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729258280] [2023-11-29 04:01:17,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:17,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:18,218 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:18,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:18,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729258280] [2023-11-29 04:01:18,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729258280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:18,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:18,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:01:18,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734844572] [2023-11-29 04:01:18,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:18,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:01:18,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:18,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:01:18,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:01:18,220 INFO L87 Difference]: Start difference. First operand 140 states and 202 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:18,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:18,447 INFO L93 Difference]: Finished difference Result 294 states and 421 transitions. [2023-11-29 04:01:18,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 04:01:18,448 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2023-11-29 04:01:18,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:18,450 INFO L225 Difference]: With dead ends: 294 [2023-11-29 04:01:18,450 INFO L226 Difference]: Without dead ends: 174 [2023-11-29 04:01:18,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:01:18,451 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 187 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:18,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 698 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:01:18,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-29 04:01:18,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 138. [2023-11-29 04:01:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 111 states have (on average 1.3603603603603605) internal successors, (151), 112 states have internal predecessors, (151), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 04:01:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 199 transitions. [2023-11-29 04:01:18,462 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 199 transitions. Word has length 141 [2023-11-29 04:01:18,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:18,463 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 199 transitions. [2023-11-29 04:01:18,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:18,463 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 199 transitions. [2023-11-29 04:01:18,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 04:01:18,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:18,465 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:18,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:01:18,465 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:18,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:18,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1367857055, now seen corresponding path program 1 times [2023-11-29 04:01:18,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:18,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536272507] [2023-11-29 04:01:18,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:18,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:19,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:19,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536272507] [2023-11-29 04:01:19,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536272507] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:19,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:19,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:01:19,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499797438] [2023-11-29 04:01:19,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:19,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:01:19,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:19,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:01:19,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:01:19,170 INFO L87 Difference]: Start difference. First operand 138 states and 199 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:19,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:19,373 INFO L93 Difference]: Finished difference Result 297 states and 428 transitions. [2023-11-29 04:01:19,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:01:19,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 142 [2023-11-29 04:01:19,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:19,375 INFO L225 Difference]: With dead ends: 297 [2023-11-29 04:01:19,375 INFO L226 Difference]: Without dead ends: 179 [2023-11-29 04:01:19,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:01:19,377 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 80 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:19,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 429 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:01:19,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-11-29 04:01:19,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 165. [2023-11-29 04:01:19,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 127 states have (on average 1.31496062992126) internal successors, (167), 127 states have internal predecessors, (167), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 04:01:19,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 235 transitions. [2023-11-29 04:01:19,396 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 235 transitions. Word has length 142 [2023-11-29 04:01:19,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:19,396 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 235 transitions. [2023-11-29 04:01:19,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:19,397 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 235 transitions. [2023-11-29 04:01:19,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 04:01:19,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:19,399 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:19,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:01:19,399 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:19,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:19,399 INFO L85 PathProgramCache]: Analyzing trace with hash -761217324, now seen corresponding path program 1 times [2023-11-29 04:01:19,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:19,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520379280] [2023-11-29 04:01:19,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:19,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,590 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:19,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:19,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520379280] [2023-11-29 04:01:19,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520379280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:19,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:19,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:01:19,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636246431] [2023-11-29 04:01:19,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:19,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:01:19,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:19,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:01:19,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:01:19,592 INFO L87 Difference]: Start difference. First operand 165 states and 235 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:19,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:19,639 INFO L93 Difference]: Finished difference Result 351 states and 502 transitions. [2023-11-29 04:01:19,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:01:19,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2023-11-29 04:01:19,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:19,642 INFO L225 Difference]: With dead ends: 351 [2023-11-29 04:01:19,642 INFO L226 Difference]: Without dead ends: 233 [2023-11-29 04:01:19,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:01:19,643 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 81 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:19,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 299 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:01:19,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2023-11-29 04:01:19,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 187. [2023-11-29 04:01:19,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 04:01:19,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 269 transitions. [2023-11-29 04:01:19,670 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 269 transitions. Word has length 143 [2023-11-29 04:01:19,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:19,671 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 269 transitions. [2023-11-29 04:01:19,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:19,672 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 269 transitions. [2023-11-29 04:01:19,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 04:01:19,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:19,674 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:19,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:01:19,675 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:19,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:19,675 INFO L85 PathProgramCache]: Analyzing trace with hash 818050373, now seen corresponding path program 1 times [2023-11-29 04:01:19,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:19,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923203377] [2023-11-29 04:01:19,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:19,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:19,821 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:19,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:19,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923203377] [2023-11-29 04:01:19,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923203377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:19,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:19,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:01:19,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863381882] [2023-11-29 04:01:19,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:19,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:01:19,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:19,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:01:19,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:01:19,824 INFO L87 Difference]: Start difference. First operand 187 states and 269 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:19,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:19,866 INFO L93 Difference]: Finished difference Result 396 states and 571 transitions. [2023-11-29 04:01:19,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:01:19,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2023-11-29 04:01:19,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:19,869 INFO L225 Difference]: With dead ends: 396 [2023-11-29 04:01:19,869 INFO L226 Difference]: Without dead ends: 256 [2023-11-29 04:01:19,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:01:19,870 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 78 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:19,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 302 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:01:19,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-11-29 04:01:19,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 210. [2023-11-29 04:01:19,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 172 states have (on average 1.372093023255814) internal successors, (236), 172 states have internal predecessors, (236), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 04:01:19,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 304 transitions. [2023-11-29 04:01:19,888 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 304 transitions. Word has length 144 [2023-11-29 04:01:19,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:19,888 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 304 transitions. [2023-11-29 04:01:19,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:19,888 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 304 transitions. [2023-11-29 04:01:19,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 04:01:19,890 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:19,890 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:19,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:01:19,890 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:19,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:19,890 INFO L85 PathProgramCache]: Analyzing trace with hash -987387961, now seen corresponding path program 1 times [2023-11-29 04:01:19,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:19,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982815666] [2023-11-29 04:01:19,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:19,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:20,362 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:20,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:20,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982815666] [2023-11-29 04:01:20,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982815666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:20,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:20,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:01:20,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987523801] [2023-11-29 04:01:20,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:20,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:01:20,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:20,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:01:20,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:01:20,365 INFO L87 Difference]: Start difference. First operand 210 states and 304 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:20,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:20,592 INFO L93 Difference]: Finished difference Result 387 states and 564 transitions. [2023-11-29 04:01:20,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:01:20,593 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2023-11-29 04:01:20,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:20,595 INFO L225 Difference]: With dead ends: 387 [2023-11-29 04:01:20,595 INFO L226 Difference]: Without dead ends: 224 [2023-11-29 04:01:20,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:01:20,597 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 82 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:20,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 706 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:01:20,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-11-29 04:01:20,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 212. [2023-11-29 04:01:20,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 174 states have (on average 1.367816091954023) internal successors, (238), 174 states have internal predecessors, (238), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 04:01:20,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 306 transitions. [2023-11-29 04:01:20,612 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 306 transitions. Word has length 144 [2023-11-29 04:01:20,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:20,613 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 306 transitions. [2023-11-29 04:01:20,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:20,613 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 306 transitions. [2023-11-29 04:01:20,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 04:01:20,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:20,615 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:20,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 04:01:20,616 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:20,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:20,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1256595337, now seen corresponding path program 1 times [2023-11-29 04:01:20,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:20,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572411020] [2023-11-29 04:01:20,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:20,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:21,205 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:21,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:21,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572411020] [2023-11-29 04:01:21,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572411020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:21,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:21,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:01:21,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176384055] [2023-11-29 04:01:21,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:21,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:01:21,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:21,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:01:21,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:01:21,207 INFO L87 Difference]: Start difference. First operand 212 states and 306 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:01:21,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:21,328 INFO L93 Difference]: Finished difference Result 508 states and 731 transitions. [2023-11-29 04:01:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:01:21,328 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 144 [2023-11-29 04:01:21,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:21,331 INFO L225 Difference]: With dead ends: 508 [2023-11-29 04:01:21,331 INFO L226 Difference]: Without dead ends: 345 [2023-11-29 04:01:21,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:01:21,332 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 205 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:21,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 589 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:01:21,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2023-11-29 04:01:21,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 318. [2023-11-29 04:01:21,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 276 states have (on average 1.391304347826087) internal successors, (384), 277 states have internal predecessors, (384), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 04:01:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 456 transitions. [2023-11-29 04:01:21,351 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 456 transitions. Word has length 144 [2023-11-29 04:01:21,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:21,352 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 456 transitions. [2023-11-29 04:01:21,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:01:21,352 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 456 transitions. [2023-11-29 04:01:21,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 04:01:21,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:21,353 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:21,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 04:01:21,353 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:21,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:21,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1373956910, now seen corresponding path program 1 times [2023-11-29 04:01:21,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:21,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941744640] [2023-11-29 04:01:21,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:21,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:22,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:22,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:22,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:22,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:22,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:22,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:22,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:22,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:22,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:22,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:22,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:22,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:22,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:22,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:22,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:22,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:23,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:23,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:23,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941744640] [2023-11-29 04:01:23,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941744640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:23,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:23,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 04:01:23,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024552483] [2023-11-29 04:01:23,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:23,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 04:01:23,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:23,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 04:01:23,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:01:23,007 INFO L87 Difference]: Start difference. First operand 318 states and 456 transitions. Second operand has 9 states, 6 states have (on average 10.5) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 4 states have call successors, (17) [2023-11-29 04:01:23,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:23,371 INFO L93 Difference]: Finished difference Result 762 states and 1083 transitions. [2023-11-29 04:01:23,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 04:01:23,372 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 10.5) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 4 states have call successors, (17) Word has length 145 [2023-11-29 04:01:23,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:23,375 INFO L225 Difference]: With dead ends: 762 [2023-11-29 04:01:23,375 INFO L226 Difference]: Without dead ends: 497 [2023-11-29 04:01:23,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:01:23,377 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 178 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 1375 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:23,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 1375 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 04:01:23,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2023-11-29 04:01:23,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 468. [2023-11-29 04:01:23,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 408 states have (on average 1.3627450980392157) internal successors, (556), 411 states have internal predecessors, (556), 51 states have call successors, (51), 8 states have call predecessors, (51), 8 states have return successors, (51), 48 states have call predecessors, (51), 51 states have call successors, (51) [2023-11-29 04:01:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 658 transitions. [2023-11-29 04:01:23,417 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 658 transitions. Word has length 145 [2023-11-29 04:01:23,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:23,417 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 658 transitions. [2023-11-29 04:01:23,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 10.5) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 4 states have call successors, (17) [2023-11-29 04:01:23,418 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 658 transitions. [2023-11-29 04:01:23,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-29 04:01:23,420 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:23,420 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:23,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 04:01:23,420 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:23,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:23,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1482969759, now seen corresponding path program 1 times [2023-11-29 04:01:23,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:23,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346655180] [2023-11-29 04:01:23,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:23,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,055 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:24,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:24,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346655180] [2023-11-29 04:01:24,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346655180] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:24,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:24,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:01:24,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136375431] [2023-11-29 04:01:24,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:24,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:01:24,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:24,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:01:24,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:01:24,059 INFO L87 Difference]: Start difference. First operand 468 states and 658 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:01:24,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:24,242 INFO L93 Difference]: Finished difference Result 1053 states and 1480 transitions. [2023-11-29 04:01:24,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:01:24,243 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2023-11-29 04:01:24,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:24,247 INFO L225 Difference]: With dead ends: 1053 [2023-11-29 04:01:24,247 INFO L226 Difference]: Without dead ends: 638 [2023-11-29 04:01:24,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:01:24,249 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 92 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:24,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 944 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:01:24,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2023-11-29 04:01:24,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 557. [2023-11-29 04:01:24,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 497 states have (on average 1.3762575452716297) internal successors, (684), 500 states have internal predecessors, (684), 51 states have call successors, (51), 8 states have call predecessors, (51), 8 states have return successors, (51), 48 states have call predecessors, (51), 51 states have call successors, (51) [2023-11-29 04:01:24,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 786 transitions. [2023-11-29 04:01:24,294 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 786 transitions. Word has length 146 [2023-11-29 04:01:24,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:24,295 INFO L495 AbstractCegarLoop]: Abstraction has 557 states and 786 transitions. [2023-11-29 04:01:24,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:01:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 786 transitions. [2023-11-29 04:01:24,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:01:24,297 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:24,298 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:24,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 04:01:24,298 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:24,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:24,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1083775213, now seen corresponding path program 1 times [2023-11-29 04:01:24,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:24,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088963190] [2023-11-29 04:01:24,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:24,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:24,441 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:24,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:24,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088963190] [2023-11-29 04:01:24,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088963190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:24,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:24,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:01:24,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622270883] [2023-11-29 04:01:24,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:24,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:01:24,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:24,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:01:24,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:01:24,443 INFO L87 Difference]: Start difference. First operand 557 states and 786 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:24,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:24,499 INFO L93 Difference]: Finished difference Result 1070 states and 1519 transitions. [2023-11-29 04:01:24,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:01:24,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2023-11-29 04:01:24,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:24,504 INFO L225 Difference]: With dead ends: 1070 [2023-11-29 04:01:24,504 INFO L226 Difference]: Without dead ends: 566 [2023-11-29 04:01:24,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:01:24,506 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:24,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 304 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:01:24,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2023-11-29 04:01:24,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 566. [2023-11-29 04:01:24,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 506 states have (on average 1.3695652173913044) internal successors, (693), 509 states have internal predecessors, (693), 51 states have call successors, (51), 8 states have call predecessors, (51), 8 states have return successors, (51), 48 states have call predecessors, (51), 51 states have call successors, (51) [2023-11-29 04:01:24,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 795 transitions. [2023-11-29 04:01:24,550 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 795 transitions. Word has length 147 [2023-11-29 04:01:24,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:24,551 INFO L495 AbstractCegarLoop]: Abstraction has 566 states and 795 transitions. [2023-11-29 04:01:24,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:24,551 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 795 transitions. [2023-11-29 04:01:24,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:01:24,553 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:24,553 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:24,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 04:01:24,554 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:24,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:24,554 INFO L85 PathProgramCache]: Analyzing trace with hash -894257660, now seen corresponding path program 1 times [2023-11-29 04:01:24,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:24,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880702779] [2023-11-29 04:01:24,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:24,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:25,721 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-29 04:01:25,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:25,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880702779] [2023-11-29 04:01:25,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880702779] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:01:25,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636011514] [2023-11-29 04:01:25,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:25,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:01:25,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:01:25,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:01:25,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:01:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:26,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-29 04:01:26,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:01:26,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 04:01:26,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 04:01:26,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-29 04:01:26,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-29 04:01:27,090 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:01:27,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 27 [2023-11-29 04:01:27,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-29 04:01:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 232 proven. 12 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-29 04:01:27,219 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:01:27,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2023-11-29 04:01:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-29 04:01:27,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636011514] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:01:27,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:01:27,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 23 [2023-11-29 04:01:27,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617902790] [2023-11-29 04:01:27,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:01:27,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 04:01:27,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:27,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 04:01:27,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2023-11-29 04:01:27,686 INFO L87 Difference]: Start difference. First operand 566 states and 795 transitions. Second operand has 23 states, 19 states have (on average 7.473684210526316) internal successors, (142), 23 states have internal predecessors, (142), 11 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (51), 7 states have call predecessors, (51), 11 states have call successors, (51) [2023-11-29 04:01:29,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:29,294 INFO L93 Difference]: Finished difference Result 1558 states and 2170 transitions. [2023-11-29 04:01:29,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 04:01:29,295 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 19 states have (on average 7.473684210526316) internal successors, (142), 23 states have internal predecessors, (142), 11 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (51), 7 states have call predecessors, (51), 11 states have call successors, (51) Word has length 147 [2023-11-29 04:01:29,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:29,301 INFO L225 Difference]: With dead ends: 1558 [2023-11-29 04:01:29,301 INFO L226 Difference]: Without dead ends: 1045 [2023-11-29 04:01:29,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=310, Invalid=950, Unknown=0, NotChecked=0, Total=1260 [2023-11-29 04:01:29,304 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 339 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 1381 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:29,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 1381 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 04:01:29,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2023-11-29 04:01:29,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 971. [2023-11-29 04:01:29,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 871 states have (on average 1.3605051664753158) internal successors, (1185), 877 states have internal predecessors, (1185), 83 states have call successors, (83), 16 states have call predecessors, (83), 16 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2023-11-29 04:01:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1351 transitions. [2023-11-29 04:01:29,406 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1351 transitions. Word has length 147 [2023-11-29 04:01:29,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:29,406 INFO L495 AbstractCegarLoop]: Abstraction has 971 states and 1351 transitions. [2023-11-29 04:01:29,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 19 states have (on average 7.473684210526316) internal successors, (142), 23 states have internal predecessors, (142), 11 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (51), 7 states have call predecessors, (51), 11 states have call successors, (51) [2023-11-29 04:01:29,407 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1351 transitions. [2023-11-29 04:01:29,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 04:01:29,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:29,410 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:29,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:01:29,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 04:01:29,611 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:29,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:29,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1499061788, now seen corresponding path program 1 times [2023-11-29 04:01:29,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:29,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881562404] [2023-11-29 04:01:29,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:29,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,063 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:30,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:30,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881562404] [2023-11-29 04:01:30,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881562404] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:30,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:30,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:01:30,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301537279] [2023-11-29 04:01:30,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:30,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:01:30,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:30,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:01:30,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:01:30,065 INFO L87 Difference]: Start difference. First operand 971 states and 1351 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:01:30,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:30,228 INFO L93 Difference]: Finished difference Result 1912 states and 2646 transitions. [2023-11-29 04:01:30,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:01:30,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2023-11-29 04:01:30,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:30,236 INFO L225 Difference]: With dead ends: 1912 [2023-11-29 04:01:30,236 INFO L226 Difference]: Without dead ends: 1399 [2023-11-29 04:01:30,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:01:30,238 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 214 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:30,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 929 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:01:30,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2023-11-29 04:01:30,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 973. [2023-11-29 04:01:30,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 973 states, 873 states have (on average 1.3596792668957618) internal successors, (1187), 879 states have internal predecessors, (1187), 83 states have call successors, (83), 16 states have call predecessors, (83), 16 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2023-11-29 04:01:30,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1353 transitions. [2023-11-29 04:01:30,292 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1353 transitions. Word has length 148 [2023-11-29 04:01:30,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:30,292 INFO L495 AbstractCegarLoop]: Abstraction has 973 states and 1353 transitions. [2023-11-29 04:01:30,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:01:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1353 transitions. [2023-11-29 04:01:30,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 04:01:30,294 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:30,294 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:30,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 04:01:30,294 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:30,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:30,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1921763614, now seen corresponding path program 1 times [2023-11-29 04:01:30,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:30,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283589454] [2023-11-29 04:01:30,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:30,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:30,758 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:30,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:30,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283589454] [2023-11-29 04:01:30,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283589454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:30,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:30,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:01:30,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902426693] [2023-11-29 04:01:30,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:30,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:01:30,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:30,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:01:30,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:01:30,761 INFO L87 Difference]: Start difference. First operand 973 states and 1353 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:31,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:31,058 INFO L93 Difference]: Finished difference Result 2560 states and 3535 transitions. [2023-11-29 04:01:31,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:01:31,059 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2023-11-29 04:01:31,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:31,069 INFO L225 Difference]: With dead ends: 2560 [2023-11-29 04:01:31,069 INFO L226 Difference]: Without dead ends: 1644 [2023-11-29 04:01:31,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:01:31,071 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 281 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:31,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 1235 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:01:31,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2023-11-29 04:01:31,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1050. [2023-11-29 04:01:31,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 950 states have (on average 1.3547368421052632) internal successors, (1287), 956 states have internal predecessors, (1287), 83 states have call successors, (83), 16 states have call predecessors, (83), 16 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2023-11-29 04:01:31,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1453 transitions. [2023-11-29 04:01:31,152 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1453 transitions. Word has length 148 [2023-11-29 04:01:31,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:31,153 INFO L495 AbstractCegarLoop]: Abstraction has 1050 states and 1453 transitions. [2023-11-29 04:01:31,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:31,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1453 transitions. [2023-11-29 04:01:31,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 04:01:31,155 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:31,155 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:31,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 04:01:31,155 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:31,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:31,156 INFO L85 PathProgramCache]: Analyzing trace with hash 490401769, now seen corresponding path program 1 times [2023-11-29 04:01:31,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:31,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570012261] [2023-11-29 04:01:31,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:31,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:32,339 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:32,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:32,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570012261] [2023-11-29 04:01:32,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570012261] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:32,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:32,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:01:32,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938071714] [2023-11-29 04:01:32,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:32,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:01:32,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:32,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:01:32,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:01:32,342 INFO L87 Difference]: Start difference. First operand 1050 states and 1453 transitions. Second operand has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:01:33,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:33,121 INFO L93 Difference]: Finished difference Result 2464 states and 3398 transitions. [2023-11-29 04:01:33,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 04:01:33,122 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2023-11-29 04:01:33,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:33,131 INFO L225 Difference]: With dead ends: 2464 [2023-11-29 04:01:33,131 INFO L226 Difference]: Without dead ends: 1548 [2023-11-29 04:01:33,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-11-29 04:01:33,134 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 297 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:33,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 699 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 04:01:33,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2023-11-29 04:01:33,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1251. [2023-11-29 04:01:33,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1251 states, 1150 states have (on average 1.357391304347826) internal successors, (1561), 1156 states have internal predecessors, (1561), 83 states have call successors, (83), 17 states have call predecessors, (83), 17 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2023-11-29 04:01:33,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1727 transitions. [2023-11-29 04:01:33,223 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1727 transitions. Word has length 149 [2023-11-29 04:01:33,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:33,223 INFO L495 AbstractCegarLoop]: Abstraction has 1251 states and 1727 transitions. [2023-11-29 04:01:33,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:01:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1727 transitions. [2023-11-29 04:01:33,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 04:01:33,226 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:33,226 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:33,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 04:01:33,226 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:33,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:33,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1039835378, now seen corresponding path program 1 times [2023-11-29 04:01:33,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:33,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557125183] [2023-11-29 04:01:33,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:33,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,339 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:33,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:33,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557125183] [2023-11-29 04:01:33,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557125183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:33,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:33,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:01:33,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328350156] [2023-11-29 04:01:33,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:33,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:01:33,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:33,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:01:33,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:01:33,341 INFO L87 Difference]: Start difference. First operand 1251 states and 1727 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:33,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:33,425 INFO L93 Difference]: Finished difference Result 2493 states and 3460 transitions. [2023-11-29 04:01:33,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:01:33,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2023-11-29 04:01:33,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:33,433 INFO L225 Difference]: With dead ends: 2493 [2023-11-29 04:01:33,433 INFO L226 Difference]: Without dead ends: 1399 [2023-11-29 04:01:33,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:01:33,436 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 20 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:33,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 304 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:01:33,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2023-11-29 04:01:33,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1263. [2023-11-29 04:01:33,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 1162 states have (on average 1.3537005163511187) internal successors, (1573), 1168 states have internal predecessors, (1573), 83 states have call successors, (83), 17 states have call predecessors, (83), 17 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2023-11-29 04:01:33,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1739 transitions. [2023-11-29 04:01:33,536 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1739 transitions. Word has length 149 [2023-11-29 04:01:33,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:33,536 INFO L495 AbstractCegarLoop]: Abstraction has 1263 states and 1739 transitions. [2023-11-29 04:01:33,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:33,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1739 transitions. [2023-11-29 04:01:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 04:01:33,539 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:33,539 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:33,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 04:01:33,539 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:33,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:33,540 INFO L85 PathProgramCache]: Analyzing trace with hash 418015211, now seen corresponding path program 1 times [2023-11-29 04:01:33,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:33,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763627546] [2023-11-29 04:01:33,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:33,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:33,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:33,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763627546] [2023-11-29 04:01:33,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763627546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:33,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:33,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:01:33,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976535730] [2023-11-29 04:01:33,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:33,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:01:33,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:33,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:01:33,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:01:33,956 INFO L87 Difference]: Start difference. First operand 1263 states and 1739 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:34,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:34,196 INFO L93 Difference]: Finished difference Result 2136 states and 2957 transitions. [2023-11-29 04:01:34,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:01:34,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2023-11-29 04:01:34,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:34,203 INFO L225 Difference]: With dead ends: 2136 [2023-11-29 04:01:34,203 INFO L226 Difference]: Without dead ends: 1011 [2023-11-29 04:01:34,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:01:34,205 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 106 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:34,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 363 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:01:34,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2023-11-29 04:01:34,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 979. [2023-11-29 04:01:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 893 states have (on average 1.3460246360582306) internal successors, (1202), 897 states have internal predecessors, (1202), 70 states have call successors, (70), 15 states have call predecessors, (70), 15 states have return successors, (70), 66 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-29 04:01:34,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1342 transitions. [2023-11-29 04:01:34,270 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1342 transitions. Word has length 149 [2023-11-29 04:01:34,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:34,270 INFO L495 AbstractCegarLoop]: Abstraction has 979 states and 1342 transitions. [2023-11-29 04:01:34,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:34,270 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1342 transitions. [2023-11-29 04:01:34,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 04:01:34,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:34,272 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:34,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 04:01:34,273 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:34,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:34,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1102033257, now seen corresponding path program 1 times [2023-11-29 04:01:34,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:34,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852952356] [2023-11-29 04:01:34,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:34,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:34,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:34,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852952356] [2023-11-29 04:01:34,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852952356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:34,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:34,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:01:34,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703300636] [2023-11-29 04:01:34,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:34,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:01:34,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:34,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:01:34,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:01:34,788 INFO L87 Difference]: Start difference. First operand 979 states and 1342 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:01:34,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:34,929 INFO L93 Difference]: Finished difference Result 1576 states and 2170 transitions. [2023-11-29 04:01:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:01:34,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2023-11-29 04:01:34,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:34,936 INFO L225 Difference]: With dead ends: 1576 [2023-11-29 04:01:34,936 INFO L226 Difference]: Without dead ends: 1033 [2023-11-29 04:01:34,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:01:34,938 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 160 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:34,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 583 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:01:34,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2023-11-29 04:01:34,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 949. [2023-11-29 04:01:34,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 863 states have (on average 1.3383545770567786) internal successors, (1155), 867 states have internal predecessors, (1155), 70 states have call successors, (70), 15 states have call predecessors, (70), 15 states have return successors, (70), 66 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-29 04:01:35,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1295 transitions. [2023-11-29 04:01:35,003 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1295 transitions. Word has length 149 [2023-11-29 04:01:35,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:35,003 INFO L495 AbstractCegarLoop]: Abstraction has 949 states and 1295 transitions. [2023-11-29 04:01:35,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:01:35,003 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1295 transitions. [2023-11-29 04:01:35,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 04:01:35,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:35,006 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:35,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 04:01:35,006 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:35,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:35,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1362393609, now seen corresponding path program 1 times [2023-11-29 04:01:35,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:35,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043712375] [2023-11-29 04:01:35,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:35,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:01:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:01:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:01:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:01:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 04:01:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 04:01:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 04:01:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:01:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:01:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:01:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 04:01:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 04:01:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 04:01:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-29 04:01:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 04:01:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-29 04:01:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 04:01:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:35,612 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:35,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:35,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043712375] [2023-11-29 04:01:35,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043712375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:35,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:35,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:01:35,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696455251] [2023-11-29 04:01:35,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:35,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:01:35,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:35,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:01:35,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:01:35,615 INFO L87 Difference]: Start difference. First operand 949 states and 1295 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:36,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:36,204 INFO L93 Difference]: Finished difference Result 2349 states and 3209 transitions. [2023-11-29 04:01:36,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 04:01:36,205 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2023-11-29 04:01:36,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:36,211 INFO L225 Difference]: With dead ends: 2349 [2023-11-29 04:01:36,212 INFO L226 Difference]: Without dead ends: 1514 [2023-11-29 04:01:36,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2023-11-29 04:01:36,214 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 382 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:36,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 893 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 04:01:36,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2023-11-29 04:01:36,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1187. [2023-11-29 04:01:36,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1078 states have (on average 1.3246753246753247) internal successors, (1428), 1084 states have internal predecessors, (1428), 89 states have call successors, (89), 19 states have call predecessors, (89), 19 states have return successors, (89), 83 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-29 04:01:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1606 transitions. [2023-11-29 04:01:36,269 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1606 transitions. Word has length 151 [2023-11-29 04:01:36,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:36,270 INFO L495 AbstractCegarLoop]: Abstraction has 1187 states and 1606 transitions. [2023-11-29 04:01:36,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:36,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1606 transitions. [2023-11-29 04:01:36,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 04:01:36,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:36,272 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:36,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 04:01:36,272 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:36,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:36,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1522921028, now seen corresponding path program 1 times [2023-11-29 04:01:36,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:36,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599314435] [2023-11-29 04:01:36,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:36,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:01:36,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:01:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:01:36,504 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:01:36,505 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 04:01:36,505 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:01:36,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 04:01:36,509 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:36,512 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:01:36,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-29 04:01:36,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-29 04:01:36,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-29 04:01:36,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-29 04:01:36,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-29 04:01:36,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-29 04:01:36,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-29 04:01:36,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-29 04:01:36,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-29 04:01:36,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-29 04:01:36,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-29 04:01:36,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-29 04:01:36,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-29 04:01:36,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-29 04:01:36,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-29 04:01:36,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-29 04:01:36,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-29 04:01:36,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-29 04:01:36,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-29 04:01:36,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-29 04:01:36,618 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-29 04:01:36,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-29 04:01:36,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-29 04:01:36,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 04:01:36,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 04:01:36,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-29 04:01:36,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-29 04:01:36,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 04:01:36,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 04:01:36,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short6 could not be translated [2023-11-29 04:01:36,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 04:01:36,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-29 04:01:36,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short6 could not be translated [2023-11-29 04:01:36,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated [2023-11-29 04:01:36,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated [2023-11-29 04:01:36,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite24 could not be translated [2023-11-29 04:01:36,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-11-29 04:01:36,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated [2023-11-29 04:01:36,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated [2023-11-29 04:01:36,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated [2023-11-29 04:01:36,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 04:01:36,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 04:01:36,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated [2023-11-29 04:01:36,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated [2023-11-29 04:01:36,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated [2023-11-29 04:01:36,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated [2023-11-29 04:01:36,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated [2023-11-29 04:01:36,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 04:01:36,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated [2023-11-29 04:01:36,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated [2023-11-29 04:01:36,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated [2023-11-29 04:01:36,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 04:01:36,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 04:01:36,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 04:01:36,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated [2023-11-29 04:01:36,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated [2023-11-29 04:01:36,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated [2023-11-29 04:01:36,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 04:01:36,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated [2023-11-29 04:01:36,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated [2023-11-29 04:01:36,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 04:01:36,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated [2023-11-29 04:01:36,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated [2023-11-29 04:01:36,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated [2023-11-29 04:01:36,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-29 04:01:36,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 04:01:36,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 04:01:36,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated [2023-11-29 04:01:36,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated [2023-11-29 04:01:36,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated [2023-11-29 04:01:36,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated [2023-11-29 04:01:36,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated [2023-11-29 04:01:36,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated [2023-11-29 04:01:36,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 04:01:36,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-29 04:01:36,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 04:01:36,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated [2023-11-29 04:01:36,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 04:01:36,665 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,665 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated [2023-11-29 04:01:36,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated [2023-11-29 04:01:36,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated [2023-11-29 04:01:36,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 04:01:36,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated [2023-11-29 04:01:36,666 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated [2023-11-29 04:01:36,667 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated [2023-11-29 04:01:36,667 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated [2023-11-29 04:01:36,667 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,667 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,667 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,667 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-29 04:01:36,668 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated [2023-11-29 04:01:36,668 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,668 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 04:01:36,669 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem124 could not be translated [2023-11-29 04:01:36,669 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated [2023-11-29 04:01:36,669 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated [2023-11-29 04:01:36,669 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,669 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,669 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated [2023-11-29 04:01:36,669 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,670 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated [2023-11-29 04:01:36,670 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated [2023-11-29 04:01:36,670 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated [2023-11-29 04:01:36,670 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated [2023-11-29 04:01:36,670 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,670 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated [2023-11-29 04:01:36,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 04:01:36,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated [2023-11-29 04:01:36,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated [2023-11-29 04:01:36,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-29 04:01:36,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,672 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 04:01:36,672 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 04:01:36,675 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated [2023-11-29 04:01:36,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated [2023-11-29 04:01:36,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated [2023-11-29 04:01:36,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated [2023-11-29 04:01:36,676 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated [2023-11-29 04:01:36,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated [2023-11-29 04:01:36,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 04:01:36,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite130 could not be translated [2023-11-29 04:01:36,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated [2023-11-29 04:01:36,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 04:01:36,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated [2023-11-29 04:01:36,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 04:01:36,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated [2023-11-29 04:01:36,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated [2023-11-29 04:01:36,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem124 could not be translated [2023-11-29 04:01:36,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-29 04:01:36,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated [2023-11-29 04:01:36,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated [2023-11-29 04:01:36,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated [2023-11-29 04:01:36,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated [2023-11-29 04:01:36,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated [2023-11-29 04:01:36,680 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,680 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated [2023-11-29 04:01:36,680 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,680 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated [2023-11-29 04:01:36,680 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem124 could not be translated [2023-11-29 04:01:36,680 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated [2023-11-29 04:01:36,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated [2023-11-29 04:01:36,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated [2023-11-29 04:01:36,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 04:01:36,681 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated [2023-11-29 04:01:36,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated [2023-11-29 04:01:36,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated [2023-11-29 04:01:36,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-29 04:01:36,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated [2023-11-29 04:01:36,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated [2023-11-29 04:01:36,683 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite130 could not be translated [2023-11-29 04:01:36,683 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated [2023-11-29 04:01:36,683 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated [2023-11-29 04:01:36,683 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated [2023-11-29 04:01:36,683 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 04:01:36,683 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated [2023-11-29 04:01:36,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 04:01:36,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated [2023-11-29 04:01:36,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated [2023-11-29 04:01:36,685 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,685 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated [2023-11-29 04:01:36,685 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 04:01:36,685 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated [2023-11-29 04:01:36,685 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-29 04:01:36,685 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated [2023-11-29 04:01:36,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated [2023-11-29 04:01:36,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite130 could not be translated [2023-11-29 04:01:36,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated [2023-11-29 04:01:36,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 04:01:36,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated [2023-11-29 04:01:36,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated [2023-11-29 04:01:36,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated [2023-11-29 04:01:36,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 04:01:36,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated [2023-11-29 04:01:36,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated [2023-11-29 04:01:36,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated [2023-11-29 04:01:36,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated [2023-11-29 04:01:36,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem124 could not be translated [2023-11-29 04:01:36,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated [2023-11-29 04:01:36,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated [2023-11-29 04:01:36,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated [2023-11-29 04:01:36,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated [2023-11-29 04:01:36,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated [2023-11-29 04:01:36,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated [2023-11-29 04:01:36,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated [2023-11-29 04:01:36,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 04:01:36,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite130 could not be translated [2023-11-29 04:01:36,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 04:01:36,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem124 could not be translated [2023-11-29 04:01:36,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 04:01:36,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated [2023-11-29 04:01:36,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated [2023-11-29 04:01:36,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated [2023-11-29 04:01:36,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated [2023-11-29 04:01:36,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated [2023-11-29 04:01:36,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem132 could not be translated [2023-11-29 04:01:36,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated [2023-11-29 04:01:36,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-29 04:01:36,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated [2023-11-29 04:01:36,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite130 could not be translated [2023-11-29 04:01:36,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated [2023-11-29 04:01:36,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated [2023-11-29 04:01:36,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 04:01:36,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated [2023-11-29 04:01:36,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem124 could not be translated [2023-11-29 04:01:36,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated [2023-11-29 04:01:36,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated [2023-11-29 04:01:36,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated [2023-11-29 04:01:36,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated [2023-11-29 04:01:36,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated [2023-11-29 04:01:36,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 04:01:36,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem132 could not be translated [2023-11-29 04:01:36,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated [2023-11-29 04:01:36,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 04:01:36,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated [2023-11-29 04:01:36,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated [2023-11-29 04:01:36,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated [2023-11-29 04:01:36,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated [2023-11-29 04:01:36,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated [2023-11-29 04:01:36,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-29 04:01:36,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short136 could not be translated [2023-11-29 04:01:36,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated [2023-11-29 04:01:36,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated [2023-11-29 04:01:36,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated [2023-11-29 04:01:36,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem124 could not be translated [2023-11-29 04:01:36,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated [2023-11-29 04:01:36,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated [2023-11-29 04:01:36,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 04:01:36,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-29 04:01:36,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated [2023-11-29 04:01:36,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated [2023-11-29 04:01:36,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem135 could not be translated [2023-11-29 04:01:36,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated [2023-11-29 04:01:36,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 04:01:36,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated [2023-11-29 04:01:36,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated [2023-11-29 04:01:36,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite130 could not be translated [2023-11-29 04:01:36,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated [2023-11-29 04:01:36,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem134 could not be translated [2023-11-29 04:01:36,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,701 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,701 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem132 could not be translated [2023-11-29 04:01:36,701 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated [2023-11-29 04:01:36,701 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,701 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated [2023-11-29 04:01:36,701 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 04:01:36,702 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated [2023-11-29 04:01:36,702 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,702 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated [2023-11-29 04:01:36,702 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 04:01:36,702 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated [2023-11-29 04:01:36,702 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 04:01:36,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated [2023-11-29 04:01:36,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated [2023-11-29 04:01:36,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-29 04:01:36,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated [2023-11-29 04:01:36,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short136 could not be translated [2023-11-29 04:01:36,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated [2023-11-29 04:01:36,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 04:01:36,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated [2023-11-29 04:01:36,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated [2023-11-29 04:01:36,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated [2023-11-29 04:01:36,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated [2023-11-29 04:01:36,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-29 04:01:36,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated [2023-11-29 04:01:36,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem132 could not be translated [2023-11-29 04:01:36,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite130 could not be translated [2023-11-29 04:01:36,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated [2023-11-29 04:01:36,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short139 could not be translated [2023-11-29 04:01:36,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 04:01:36,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated [2023-11-29 04:01:36,706 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-29 04:01:36,706 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-29 04:01:36,706 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated [2023-11-29 04:01:36,706 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem134 could not be translated [2023-11-29 04:01:36,706 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem135 could not be translated [2023-11-29 04:01:36,706 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated [2023-11-29 04:01:36,707 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 04:01:36,707 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem124 could not be translated [2023-11-29 04:01:36,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:01:36 BoogieIcfgContainer [2023-11-29 04:01:36,736 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:01:36,737 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:01:36,737 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:01:36,737 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:01:36,737 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:01:15" (3/4) ... [2023-11-29 04:01:36,740 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:01:36,741 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:01:36,741 INFO L158 Benchmark]: Toolchain (without parser) took 22849.02ms. Allocated memory was 146.8MB in the beginning and 536.9MB in the end (delta: 390.1MB). Free memory was 102.2MB in the beginning and 465.1MB in the end (delta: -362.9MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-11-29 04:01:36,742 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:01:36,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.94ms. Allocated memory is still 146.8MB. Free memory was 101.7MB in the beginning and 86.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 04:01:36,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.98ms. Allocated memory is still 146.8MB. Free memory was 86.4MB in the beginning and 82.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:01:36,743 INFO L158 Benchmark]: Boogie Preprocessor took 88.08ms. Allocated memory is still 146.8MB. Free memory was 82.7MB in the beginning and 77.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:01:36,743 INFO L158 Benchmark]: RCFGBuilder took 714.53ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 77.5MB in the beginning and 160.9MB in the end (delta: -83.4MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2023-11-29 04:01:36,743 INFO L158 Benchmark]: TraceAbstraction took 21664.53ms. Allocated memory was 209.7MB in the beginning and 536.9MB in the end (delta: 327.2MB). Free memory was 160.9MB in the beginning and 466.1MB in the end (delta: -305.2MB). Peak memory consumption was 308.2MB. Max. memory is 16.1GB. [2023-11-29 04:01:36,744 INFO L158 Benchmark]: Witness Printer took 4.22ms. Allocated memory is still 536.9MB. Free memory was 466.1MB in the beginning and 465.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:01:36,746 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.94ms. Allocated memory is still 146.8MB. Free memory was 101.7MB in the beginning and 86.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.98ms. Allocated memory is still 146.8MB. Free memory was 86.4MB in the beginning and 82.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.08ms. Allocated memory is still 146.8MB. Free memory was 82.7MB in the beginning and 77.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 714.53ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 77.5MB in the beginning and 160.9MB in the end (delta: -83.4MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * TraceAbstraction took 21664.53ms. Allocated memory was 209.7MB in the beginning and 536.9MB in the end (delta: 327.2MB). Free memory was 160.9MB in the beginning and 466.1MB in the end (delta: -305.2MB). Peak memory consumption was 308.2MB. Max. memory is 16.1GB. * Witness Printer took 4.22ms. Allocated memory is still 536.9MB. Free memory was 466.1MB in the beginning and 465.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite130 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite130 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite130 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite130 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem132 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite130 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem132 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short136 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem135 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite130 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem134 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem132 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem129 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short136 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem123 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem132 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite130 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short139 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short133 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem125 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem134 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem135 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem124 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of bitwiseOr at line 108. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L25-L27] float float_Array_0[2] = { 1000000.5, 4.5 }; [L25-L27] float float_Array_0[2] = { 1000000.5, 4.5 }; [L25-L27] float float_Array_0[2] = { 1000000.5, 4.5 }; [L28-L30] signed char signed_char_Array_0[2][2] = { {100, -1}, {-50, -8} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {100, -1}, {-50, -8} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {100, -1}, {-50, -8} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {100, -1}, {-50, -8} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {100, -1}, {-50, -8} }; [L31-L33] signed long int signed_long_int_Array_0[1] = { 64 }; [L31-L33] signed long int signed_long_int_Array_0[1] = { 64 }; [L34-L36] signed short int signed_short_int_Array_0[1] = { -16 }; [L34-L36] signed short int signed_short_int_Array_0[1] = { -16 }; [L37-L39] unsigned char unsigned_char_Array_0[2] = { 0, 128 }; [L37-L39] unsigned char unsigned_char_Array_0[2] = { 0, 128 }; [L37-L39] unsigned char unsigned_char_Array_0[2] = { 0, 128 }; [L40-L42] unsigned long int unsigned_long_int_Array_0[2][2] = { {1191097264, 25}, {1801344522, 2568920345} }; [L40-L42] unsigned long int unsigned_long_int_Array_0[2][2] = { {1191097264, 25}, {1801344522, 2568920345} }; [L40-L42] unsigned long int unsigned_long_int_Array_0[2][2] = { {1191097264, 25}, {1801344522, 2568920345} }; [L40-L42] unsigned long int unsigned_long_int_Array_0[2][2] = { {1191097264, 25}, {1801344522, 2568920345} }; [L40-L42] unsigned long int unsigned_long_int_Array_0[2][2] = { {1191097264, 25}, {1801344522, 2568920345} }; [L43] signed short int last_1_signed_short_int_Array_0_0_ = -16; [L44] unsigned char last_1_unsigned_char_Array_0_0_ = 0; [L45] unsigned long int last_1_unsigned_long_int_Array_0_0__1_ = 25; [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] CALL updateLastVariables() [L103] EXPR signed_short_int_Array_0[0] [L103] last_1_signed_short_int_Array_0_0_ = signed_short_int_Array_0[0] [L104] EXPR unsigned_char_Array_0[0] [L104] last_1_unsigned_char_Array_0_0_ = unsigned_char_Array_0[0] [L105] EXPR unsigned_long_int_Array_0[0][1] [L105] last_1_unsigned_long_int_Array_0_0__1_ = unsigned_long_int_Array_0[0][1] [L115] RET updateLastVariables() [L116] CALL updateVariables() [L75] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L77] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L78] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L79] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L80] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L80] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L80] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L81] float_Array_0[1] = __VERIFIER_nondet_float() [L82] EXPR float_Array_0[1] [L82] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L82] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L82] EXPR float_Array_0[1] [L82] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L82] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L82] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L82] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L82] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L83] signed_char_Array_0[0][0] = __VERIFIER_nondet_char() [L84] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L84] CALL assume_abort_if_not(signed_char_Array_0[0][0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L84] RET assume_abort_if_not(signed_char_Array_0[0][0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L85] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L85] CALL assume_abort_if_not(signed_char_Array_0[0][0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L85] RET assume_abort_if_not(signed_char_Array_0[0][0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L86] signed_char_Array_0[0][1] = __VERIFIER_nondet_char() [L87] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[0][1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L87] RET assume_abort_if_not(signed_char_Array_0[0][1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L88] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L88] CALL assume_abort_if_not(signed_char_Array_0[0][1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L88] RET assume_abort_if_not(signed_char_Array_0[0][1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L89] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L90] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L90] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L90] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L91] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L91] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L91] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L92] unsigned_long_int_Array_0[0][0] = __VERIFIER_nondet_ulong() [L93] EXPR unsigned_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L93] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][0] >= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L93] RET assume_abort_if_not(unsigned_long_int_Array_0[0][0] >= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L94] EXPR unsigned_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L94] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L94] RET assume_abort_if_not(unsigned_long_int_Array_0[0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L95] unsigned_long_int_Array_0[1][0] = __VERIFIER_nondet_ulong() [L96] EXPR unsigned_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L96] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L96] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L97] EXPR unsigned_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L97] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L97] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L98] unsigned_long_int_Array_0[1][1] = __VERIFIER_nondet_ulong() [L99] EXPR unsigned_long_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L99] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L99] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L100] EXPR unsigned_long_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L100] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L100] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L116] RET updateVariables() [L117] CALL step() [L49] EXPR last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_ VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L49] ((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L49] ((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1] [L49] EXPR BOOL_unsigned_char_Array_0[1] [L49] ((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L49] COND FALSE !(((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) [L56] EXPR signed_char_Array_0[0][1] [L56] signed_char_Array_0[1][1] = signed_char_Array_0[0][1] [L58] BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L58] COND FALSE !(BOOL_unsigned_char_Array_0[1]) [L61] EXPR unsigned_long_int_Array_0[0][0] [L61] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L61] COND TRUE unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0] [L62] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L62] EXPR ((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]) [L62] EXPR signed_char_Array_0[1][0] [L62] EXPR ((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L62] signed_long_int_Array_0[0] = ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))) [L64] signed_short_int_Array_0[0] = 2 [L65] EXPR float_Array_0[1] [L65] float_Array_0[0] = float_Array_0[1] [L66] EXPR unsigned_char_Array_0[1] [L66] unsigned_char_Array_0[0] = unsigned_char_Array_0[1] [L67] EXPR signed_char_Array_0[1][0] [L67] EXPR signed_char_Array_0[1][1] [L67] unsigned char stepLocal_0 = signed_char_Array_0[1][0] < signed_char_Array_0[1][1]; [L68] stepLocal_0 && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, stepLocal_0=0, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L68] stepLocal_0 && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L68] COND FALSE !(stepLocal_0 && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) [L71] EXPR unsigned_long_int_Array_0[1][1] [L71] EXPR unsigned_long_int_Array_0[1][0] [L71] unsigned_long_int_Array_0[0][1] = (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]) [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_ VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1] [L108] EXPR BOOL_unsigned_char_Array_0[1] [L108] EXPR ((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) [L108] EXPR signed_char_Array_0[1][1] [L108] EXPR signed_char_Array_0[0][1] [L108] EXPR (((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1) [L108] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1 [L108] EXPR BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0])))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0])))) [L108] EXPR signed_char_Array_0[1][0] [L108] EXPR signed_char_Array_0[1][1] [L108] EXPR (signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))) [L108] EXPR unsigned_long_int_Array_0[0][1] [L108] EXPR unsigned_long_int_Array_0[1][1] [L108] EXPR unsigned_long_int_Array_0[1][0] [L108] EXPR ((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0])))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1) [L108] EXPR unsigned_long_int_Array_0[0][0] [L108] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1 [L108] EXPR signed_long_int_Array_0[0] [L108] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]) [L108] EXPR signed_char_Array_0[1][0] [L108] EXPR ((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2)) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2)) [L108] EXPR signed_short_int_Array_0[0] [L108] EXPR (((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2)) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2))) && (float_Array_0[0] == ((float) float_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR ((((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2))) && (float_Array_0[0] == ((float) float_Array_0[1])) [L108] EXPR float_Array_0[0] [L108] EXPR float_Array_0[1] [L108] EXPR ((((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2))) && (float_Array_0[0] == ((float) float_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (((((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2))) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108] EXPR (((((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2))) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L108-L109] return (((((((((last_1_signed_short_int_Array_0_0_ | last_1_unsigned_long_int_Array_0_0__1_) > last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && (BOOL_unsigned_char_Array_0[1] ? (signed_char_Array_0[1][0] == ((signed char) ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))))) : 1)) && (((signed_char_Array_0[1][0] < signed_char_Array_0[1][1]) && (((((signed_char_Array_0[0][0]) > (signed_char_Array_0[1][0])) ? (signed_char_Array_0[0][0]) : (signed_char_Array_0[1][0]))) == signed_char_Array_0[0][1])) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - (((((unsigned_long_int_Array_0[0][0]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[1][0]))) - 1u)))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_long_int_Array_0[1][1] - unsigned_long_int_Array_0[1][0]))))) && ((unsigned_long_int_Array_0[0][0] <= signed_char_Array_0[1][0]) ? (signed_long_int_Array_0[0] == ((signed long int) ((((signed_char_Array_0[1][0]) < 0 ) ? -(signed_char_Array_0[1][0]) : (signed_char_Array_0[1][0]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 2))) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-16, last_1_unsigned_char_Array_0_0_=0, last_1_unsigned_long_int_Array_0_0__1_=25, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_char_Array_0={9:0}, unsigned_long_int_Array_0={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.4s, OverallIterations: 23, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3126 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3099 mSDsluCounter, 14268 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10547 mSDsCounter, 393 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3832 IncrementalHoareTripleChecker+Invalid, 4225 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 393 mSolverCounterUnsat, 3721 mSDtfsCounter, 3832 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1259 GetRequests, 1117 SyntacticMatches, 2 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1263occurred in iteration=19, InterpolantAutomatonStates: 144, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 22 MinimizatonAttempts, 2332 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 3476 NumberOfCodeBlocks, 3476 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3448 ConstructedInterpolants, 0 QuantifiedInterpolants, 14393 SizeOfPredicates, 8 NumberOfNonLiveVariables, 540 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 24 InterpolantComputations, 21 PerfectInterpolantSequences, 13020/13056 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 04:01:36,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee043a380462a1c76ab3130ca5e702431f3ce27542f408d77a3f5f81e3836d71 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:01:38,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:01:38,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 04:01:38,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:01:38,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:01:38,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:01:38,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:01:38,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:01:38,799 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:01:38,799 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:01:38,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:01:38,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:01:38,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:01:38,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:01:38,803 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:01:38,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:01:38,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:01:38,804 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:01:38,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:01:38,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:01:38,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:01:38,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:01:38,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:01:38,808 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:01:38,808 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 04:01:38,809 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 04:01:38,809 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:01:38,810 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:01:38,810 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:01:38,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:01:38,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:01:38,812 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:01:38,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:01:38,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:01:38,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:01:38,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:01:38,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:01:38,813 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 04:01:38,813 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 04:01:38,814 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:01:38,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:01:38,814 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:01:38,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:01:38,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:01:38,815 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 04:01:38,815 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee043a380462a1c76ab3130ca5e702431f3ce27542f408d77a3f5f81e3836d71 [2023-11-29 04:01:39,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:01:39,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:01:39,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:01:39,106 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:01:39,106 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:01:39,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i [2023-11-29 04:01:41,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:01:42,061 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:01:42,061 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i [2023-11-29 04:01:42,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/data/8466b9add/653715ccaeb742eb893d68f9c0a1ad6e/FLAGe4a0e721b [2023-11-29 04:01:42,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/data/8466b9add/653715ccaeb742eb893d68f9c0a1ad6e [2023-11-29 04:01:42,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:01:42,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:01:42,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:01:42,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:01:42,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:01:42,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:01:42" (1/1) ... [2023-11-29 04:01:42,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe1f67b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:42, skipping insertion in model container [2023-11-29 04:01:42,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:01:42" (1/1) ... [2023-11-29 04:01:42,127 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:01:42,283 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i[916,929] [2023-11-29 04:01:42,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:01:42,370 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:01:42,384 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-88.i[916,929] [2023-11-29 04:01:42,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:01:42,458 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:01:42,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:42 WrapperNode [2023-11-29 04:01:42,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:01:42,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:01:42,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:01:42,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:01:42,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:42" (1/1) ... [2023-11-29 04:01:42,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:42" (1/1) ... [2023-11-29 04:01:42,527 INFO L138 Inliner]: procedures = 36, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 451 [2023-11-29 04:01:42,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:01:42,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:01:42,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:01:42,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:01:42,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:42" (1/1) ... [2023-11-29 04:01:42,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:42" (1/1) ... [2023-11-29 04:01:42,551 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:42" (1/1) ... [2023-11-29 04:01:42,576 INFO L175 MemorySlicer]: Split 134 memory accesses to 8 slices as follows [2, 16, 11, 54, 3, 4, 10, 34]. 40 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 2, 2, 4, 1, 1, 2, 4]. The 19 writes are split as follows [0, 2, 2, 6, 1, 1, 2, 5]. [2023-11-29 04:01:42,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:42" (1/1) ... [2023-11-29 04:01:42,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:42" (1/1) ... [2023-11-29 04:01:42,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:42" (1/1) ... [2023-11-29 04:01:42,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:42" (1/1) ... [2023-11-29 04:01:42,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:42" (1/1) ... [2023-11-29 04:01:42,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:42" (1/1) ... [2023-11-29 04:01:42,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:01:42,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:01:42,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:01:42,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:01:42,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:42" (1/1) ... [2023-11-29 04:01:42,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:01:42,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:01:42,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:01:42,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:01:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:01:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 04:01:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 04:01:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-29 04:01:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-29 04:01:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-29 04:01:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-29 04:01:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-11-29 04:01:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-11-29 04:01:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-29 04:01:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-29 04:01:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-11-29 04:01:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-11-29 04:01:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-11-29 04:01:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2023-11-29 04:01:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2023-11-29 04:01:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2023-11-29 04:01:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 04:01:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 04:01:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 04:01:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 04:01:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-29 04:01:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-29 04:01:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-29 04:01:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-29 04:01:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-29 04:01:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-29 04:01:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-11-29 04:01:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-11-29 04:01:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-11-29 04:01:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-11-29 04:01:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-11-29 04:01:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2023-11-29 04:01:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-29 04:01:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-29 04:01:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-29 04:01:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-29 04:01:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-29 04:01:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-29 04:01:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-11-29 04:01:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2023-11-29 04:01:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 04:01:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 04:01:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-29 04:01:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-29 04:01:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-29 04:01:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-29 04:01:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-29 04:01:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-29 04:01:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-29 04:01:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-29 04:01:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-11-29 04:01:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-11-29 04:01:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-11-29 04:01:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2023-11-29 04:01:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2023-11-29 04:01:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2023-11-29 04:01:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-29 04:01:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-29 04:01:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-29 04:01:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-29 04:01:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-29 04:01:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-29 04:01:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-11-29 04:01:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2023-11-29 04:01:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-29 04:01:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-29 04:01:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-11-29 04:01:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-11-29 04:01:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-11-29 04:01:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-11-29 04:01:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2023-11-29 04:01:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2023-11-29 04:01:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:01:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:01:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:01:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:01:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 04:01:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 04:01:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-29 04:01:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-29 04:01:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-29 04:01:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-29 04:01:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-11-29 04:01:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-11-29 04:01:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-29 04:01:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-29 04:01:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-11-29 04:01:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-11-29 04:01:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-11-29 04:01:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2023-11-29 04:01:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2023-11-29 04:01:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2023-11-29 04:01:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 04:01:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 04:01:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-29 04:01:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-29 04:01:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-29 04:01:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-29 04:01:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-29 04:01:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-29 04:01:42,914 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:01:42,916 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:01:43,418 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:01:43,464 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:01:43,464 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:01:43,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:01:43 BoogieIcfgContainer [2023-11-29 04:01:43,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:01:43,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:01:43,468 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:01:43,471 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:01:43,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:01:42" (1/3) ... [2023-11-29 04:01:43,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ef52f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:01:43, skipping insertion in model container [2023-11-29 04:01:43,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:42" (2/3) ... [2023-11-29 04:01:43,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ef52f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:01:43, skipping insertion in model container [2023-11-29 04:01:43,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:01:43" (3/3) ... [2023-11-29 04:01:43,474 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-88.i [2023-11-29 04:01:43,492 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:01:43,492 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:01:43,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:01:43,548 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3dc37c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:01:43,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:01:43,552 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 04:01:43,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 04:01:43,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:43,568 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:43,569 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:43,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:43,574 INFO L85 PathProgramCache]: Analyzing trace with hash -821374358, now seen corresponding path program 1 times [2023-11-29 04:01:43,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:01:43,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [311714585] [2023-11-29 04:01:43,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:43,590 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:43,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:01:43,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:01:43,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 04:01:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:43,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:01:43,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:01:44,021 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2023-11-29 04:01:44,021 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:01:44,022 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:01:44,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [311714585] [2023-11-29 04:01:44,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [311714585] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:44,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:44,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:01:44,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181125402] [2023-11-29 04:01:44,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:44,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:01:44,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:01:44,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:01:44,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:01:44,055 INFO L87 Difference]: Start difference. First operand has 104 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:01:44,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:44,102 INFO L93 Difference]: Finished difference Result 205 states and 327 transitions. [2023-11-29 04:01:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:01:44,105 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 134 [2023-11-29 04:01:44,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:44,113 INFO L225 Difference]: With dead ends: 205 [2023-11-29 04:01:44,113 INFO L226 Difference]: Without dead ends: 102 [2023-11-29 04:01:44,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:01:44,120 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:44,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:01:44,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-29 04:01:44,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2023-11-29 04:01:44,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 83 states have internal predecessors, (117), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 04:01:44,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 151 transitions. [2023-11-29 04:01:44,160 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 151 transitions. Word has length 134 [2023-11-29 04:01:44,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:44,161 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 151 transitions. [2023-11-29 04:01:44,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:01:44,161 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 151 transitions. [2023-11-29 04:01:44,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 04:01:44,165 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:44,165 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:44,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:01:44,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:44,370 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:44,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:44,371 INFO L85 PathProgramCache]: Analyzing trace with hash -157094916, now seen corresponding path program 1 times [2023-11-29 04:01:44,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:01:44,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [358019397] [2023-11-29 04:01:44,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:44,372 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:44,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:01:44,373 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:01:44,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 04:01:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:44,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:01:44,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:01:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:44,738 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:01:44,739 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:01:44,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [358019397] [2023-11-29 04:01:44,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [358019397] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:44,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:44,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:01:44,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386544114] [2023-11-29 04:01:44,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:44,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:01:44,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:01:44,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:01:44,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:01:44,743 INFO L87 Difference]: Start difference. First operand 102 states and 151 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:44,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:44,900 INFO L93 Difference]: Finished difference Result 235 states and 347 transitions. [2023-11-29 04:01:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 04:01:44,901 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2023-11-29 04:01:44,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:44,905 INFO L225 Difference]: With dead ends: 235 [2023-11-29 04:01:44,905 INFO L226 Difference]: Without dead ends: 134 [2023-11-29 04:01:44,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:01:44,908 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 83 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:44,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 696 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:01:44,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-29 04:01:44,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 108. [2023-11-29 04:01:44,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 89 states have (on average 1.3820224719101124) internal successors, (123), 89 states have internal predecessors, (123), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 04:01:44,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 157 transitions. [2023-11-29 04:01:44,922 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 157 transitions. Word has length 134 [2023-11-29 04:01:44,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:44,923 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 157 transitions. [2023-11-29 04:01:44,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:44,924 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2023-11-29 04:01:44,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 04:01:44,926 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:44,926 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:44,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 04:01:45,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:45,127 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:45,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:45,127 INFO L85 PathProgramCache]: Analyzing trace with hash -966441542, now seen corresponding path program 1 times [2023-11-29 04:01:45,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:01:45,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443275985] [2023-11-29 04:01:45,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:45,129 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:45,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:01:45,130 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:01:45,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 04:01:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:45,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 04:01:45,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:01:45,473 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:45,474 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:01:45,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:01:45,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443275985] [2023-11-29 04:01:45,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1443275985] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:45,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:45,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:01:45,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053920843] [2023-11-29 04:01:45,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:45,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:01:45,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:01:45,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:01:45,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:01:45,478 INFO L87 Difference]: Start difference. First operand 108 states and 157 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:45,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:45,767 INFO L93 Difference]: Finished difference Result 245 states and 352 transitions. [2023-11-29 04:01:45,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 04:01:45,768 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2023-11-29 04:01:45,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:45,771 INFO L225 Difference]: With dead ends: 245 [2023-11-29 04:01:45,771 INFO L226 Difference]: Without dead ends: 138 [2023-11-29 04:01:45,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2023-11-29 04:01:45,775 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 72 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:45,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 949 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:01:45,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-29 04:01:45,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 112. [2023-11-29 04:01:45,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 93 states have (on average 1.3655913978494623) internal successors, (127), 93 states have internal predecessors, (127), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 04:01:45,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 161 transitions. [2023-11-29 04:01:45,789 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 161 transitions. Word has length 134 [2023-11-29 04:01:45,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:45,790 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 161 transitions. [2023-11-29 04:01:45,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:45,791 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 161 transitions. [2023-11-29 04:01:45,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 04:01:45,793 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:45,793 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:45,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 04:01:45,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:45,999 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:45,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:45,999 INFO L85 PathProgramCache]: Analyzing trace with hash -966381960, now seen corresponding path program 1 times [2023-11-29 04:01:46,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:01:46,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106669968] [2023-11-29 04:01:46,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:46,001 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:46,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:01:46,002 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:01:46,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 04:01:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:46,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 04:01:46,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:01:46,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2023-11-29 04:01:46,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-29 04:01:46,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:01:46,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:01:46,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:01:47,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-29 04:01:47,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 04:01:47,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-11-29 04:01:47,072 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 232 proven. 12 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-29 04:01:47,072 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:01:47,459 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:01:47,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106669968] [2023-11-29 04:01:47,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2106669968] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:01:47,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [675472226] [2023-11-29 04:01:47,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:47,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 04:01:47,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 04:01:47,461 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 04:01:47,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-29 04:01:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:48,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 04:01:48,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:01:48,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-11-29 04:01:48,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-29 04:01:48,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 04:01:49,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 04:01:49,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 04:01:49,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:01:49,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 04:01:49,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 04:01:49,949 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:01:49,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 04:01:49,957 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 379 proven. 12 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-29 04:01:49,958 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:01:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-29 04:01:50,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [675472226] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:01:50,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:01:50,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 9] total 21 [2023-11-29 04:01:50,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430284464] [2023-11-29 04:01:50,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:01:50,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 04:01:50,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:01:50,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 04:01:50,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2023-11-29 04:01:50,317 INFO L87 Difference]: Start difference. First operand 112 states and 161 transitions. Second operand has 21 states, 18 states have (on average 7.277777777777778) internal successors, (131), 21 states have internal predecessors, (131), 11 states have call successors, (51), 6 states have call predecessors, (51), 9 states have return successors, (51), 8 states have call predecessors, (51), 11 states have call successors, (51) [2023-11-29 04:01:52,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:52,155 INFO L93 Difference]: Finished difference Result 342 states and 488 transitions. [2023-11-29 04:01:52,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 04:01:52,156 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 7.277777777777778) internal successors, (131), 21 states have internal predecessors, (131), 11 states have call successors, (51), 6 states have call predecessors, (51), 9 states have return successors, (51), 8 states have call predecessors, (51), 11 states have call successors, (51) Word has length 134 [2023-11-29 04:01:52,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:52,158 INFO L225 Difference]: With dead ends: 342 [2023-11-29 04:01:52,158 INFO L226 Difference]: Without dead ends: 231 [2023-11-29 04:01:52,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=221, Invalid=535, Unknown=0, NotChecked=0, Total=756 [2023-11-29 04:01:52,160 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 482 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:52,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 766 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 04:01:52,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2023-11-29 04:01:52,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 223. [2023-11-29 04:01:52,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 185 states have (on average 1.3567567567567567) internal successors, (251), 185 states have internal predecessors, (251), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 04:01:52,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 319 transitions. [2023-11-29 04:01:52,187 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 319 transitions. Word has length 134 [2023-11-29 04:01:52,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:52,188 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 319 transitions. [2023-11-29 04:01:52,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 7.277777777777778) internal successors, (131), 21 states have internal predecessors, (131), 11 states have call successors, (51), 6 states have call predecessors, (51), 9 states have return successors, (51), 8 states have call predecessors, (51), 11 states have call successors, (51) [2023-11-29 04:01:52,188 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 319 transitions. [2023-11-29 04:01:52,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-29 04:01:52,191 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:52,191 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:52,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-29 04:01:52,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-29 04:01:52,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:52,592 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:52,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:52,592 INFO L85 PathProgramCache]: Analyzing trace with hash 923112605, now seen corresponding path program 1 times [2023-11-29 04:01:52,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:01:52,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866443863] [2023-11-29 04:01:52,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:52,593 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:52,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:01:52,594 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:01:52,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-29 04:01:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:52,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 04:01:52,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:01:52,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2023-11-29 04:01:53,045 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:01:53,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 25 [2023-11-29 04:01:53,492 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:01:53,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 45 [2023-11-29 04:01:53,908 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:01:53,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 46 [2023-11-29 04:01:53,955 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-11-29 04:01:53,955 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:01:53,955 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:01:53,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866443863] [2023-11-29 04:01:53,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1866443863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:53,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:53,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:01:53,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224879020] [2023-11-29 04:01:53,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:53,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 04:01:53,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:01:53,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 04:01:53,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:01:53,958 INFO L87 Difference]: Start difference. First operand 223 states and 319 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:01:55,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:55,365 INFO L93 Difference]: Finished difference Result 618 states and 875 transitions. [2023-11-29 04:01:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 04:01:55,366 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 136 [2023-11-29 04:01:55,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:55,370 INFO L225 Difference]: With dead ends: 618 [2023-11-29 04:01:55,370 INFO L226 Difference]: Without dead ends: 396 [2023-11-29 04:01:55,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2023-11-29 04:01:55,372 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 509 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:55,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 797 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 04:01:55,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-11-29 04:01:55,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 249. [2023-11-29 04:01:55,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 203 states have (on average 1.3399014778325122) internal successors, (272), 204 states have internal predecessors, (272), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-29 04:01:55,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 354 transitions. [2023-11-29 04:01:55,401 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 354 transitions. Word has length 136 [2023-11-29 04:01:55,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:55,402 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 354 transitions. [2023-11-29 04:01:55,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:01:55,402 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 354 transitions. [2023-11-29 04:01:55,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-29 04:01:55,405 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:55,405 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:55,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-29 04:01:55,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:55,610 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:55,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:55,610 INFO L85 PathProgramCache]: Analyzing trace with hash 2031538207, now seen corresponding path program 1 times [2023-11-29 04:01:55,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:01:55,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610258617] [2023-11-29 04:01:55,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:55,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:55,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:01:55,612 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:01:55,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-29 04:01:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:55,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 04:01:55,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:01:56,133 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2023-11-29 04:01:56,133 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:01:56,232 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:56,233 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:01:56,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [610258617] [2023-11-29 04:01:56,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [610258617] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:01:56,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:01:56,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2023-11-29 04:01:56,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72093040] [2023-11-29 04:01:56,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:56,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:01:56,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:01:56,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:01:56,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:01:56,235 INFO L87 Difference]: Start difference. First operand 249 states and 354 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:56,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:56,361 INFO L93 Difference]: Finished difference Result 507 states and 714 transitions. [2023-11-29 04:01:56,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:01:56,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2023-11-29 04:01:56,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:56,367 INFO L225 Difference]: With dead ends: 507 [2023-11-29 04:01:56,367 INFO L226 Difference]: Without dead ends: 396 [2023-11-29 04:01:56,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:01:56,368 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 162 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:56,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 445 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:01:56,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-11-29 04:01:56,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 392. [2023-11-29 04:01:56,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 339 states have (on average 1.3539823008849559) internal successors, (459), 342 states have internal predecessors, (459), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-29 04:01:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 549 transitions. [2023-11-29 04:01:56,398 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 549 transitions. Word has length 136 [2023-11-29 04:01:56,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:56,399 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 549 transitions. [2023-11-29 04:01:56,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:56,399 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 549 transitions. [2023-11-29 04:01:56,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-29 04:01:56,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:56,401 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:56,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-29 04:01:56,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:56,601 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:56,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:56,602 INFO L85 PathProgramCache]: Analyzing trace with hash -877225695, now seen corresponding path program 1 times [2023-11-29 04:01:56,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:01:56,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122317902] [2023-11-29 04:01:56,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:56,603 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:56,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:01:56,604 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:01:56,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-29 04:01:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:56,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:01:56,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:01:56,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-29 04:01:57,009 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:57,010 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:01:57,010 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:01:57,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122317902] [2023-11-29 04:01:57,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1122317902] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:57,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:57,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:01:57,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969278634] [2023-11-29 04:01:57,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:57,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:01:57,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:01:57,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:01:57,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:01:57,012 INFO L87 Difference]: Start difference. First operand 392 states and 549 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:57,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:57,214 INFO L93 Difference]: Finished difference Result 981 states and 1372 transitions. [2023-11-29 04:01:57,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:01:57,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2023-11-29 04:01:57,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:57,219 INFO L225 Difference]: With dead ends: 981 [2023-11-29 04:01:57,219 INFO L226 Difference]: Without dead ends: 613 [2023-11-29 04:01:57,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:01:57,221 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 140 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:57,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 575 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:01:57,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2023-11-29 04:01:57,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 422. [2023-11-29 04:01:57,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 357 states have (on average 1.3361344537815125) internal successors, (477), 359 states have internal predecessors, (477), 55 states have call successors, (55), 9 states have call predecessors, (55), 9 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2023-11-29 04:01:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 587 transitions. [2023-11-29 04:01:57,263 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 587 transitions. Word has length 136 [2023-11-29 04:01:57,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:57,264 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 587 transitions. [2023-11-29 04:01:57,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:57,264 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 587 transitions. [2023-11-29 04:01:57,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 04:01:57,266 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:57,266 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:57,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-11-29 04:01:57,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:57,470 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:57,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:57,470 INFO L85 PathProgramCache]: Analyzing trace with hash -100462037, now seen corresponding path program 1 times [2023-11-29 04:01:57,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:01:57,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1342241390] [2023-11-29 04:01:57,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:57,471 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:57,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:01:57,472 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:01:57,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-29 04:01:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:57,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:01:57,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:01:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:57,682 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:01:57,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:01:57,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1342241390] [2023-11-29 04:01:57,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1342241390] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:57,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:57,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:01:57,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298639268] [2023-11-29 04:01:57,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:57,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:01:57,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:01:57,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:01:57,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:01:57,684 INFO L87 Difference]: Start difference. First operand 422 states and 587 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:57,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:57,764 INFO L93 Difference]: Finished difference Result 906 states and 1263 transitions. [2023-11-29 04:01:57,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:01:57,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2023-11-29 04:01:57,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:57,768 INFO L225 Difference]: With dead ends: 906 [2023-11-29 04:01:57,768 INFO L226 Difference]: Without dead ends: 538 [2023-11-29 04:01:57,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:01:57,769 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 89 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:57,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 568 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:01:57,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2023-11-29 04:01:57,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 434. [2023-11-29 04:01:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 369 states have (on average 1.3252032520325203) internal successors, (489), 371 states have internal predecessors, (489), 55 states have call successors, (55), 9 states have call predecessors, (55), 9 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2023-11-29 04:01:57,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 599 transitions. [2023-11-29 04:01:57,806 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 599 transitions. Word has length 138 [2023-11-29 04:01:57,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:57,807 INFO L495 AbstractCegarLoop]: Abstraction has 434 states and 599 transitions. [2023-11-29 04:01:57,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:57,807 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 599 transitions. [2023-11-29 04:01:57,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 04:01:57,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:57,808 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:57,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-11-29 04:01:58,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:58,009 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:58,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:58,009 INFO L85 PathProgramCache]: Analyzing trace with hash -257589945, now seen corresponding path program 1 times [2023-11-29 04:01:58,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:01:58,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737213245] [2023-11-29 04:01:58,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:58,010 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:58,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:01:58,011 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:01:58,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-29 04:01:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:58,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 04:01:58,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:01:58,583 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2023-11-29 04:01:58,583 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:01:58,717 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:58,717 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:01:58,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1737213245] [2023-11-29 04:01:58,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1737213245] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:01:58,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:01:58,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2023-11-29 04:01:58,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267698871] [2023-11-29 04:01:58,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:58,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:01:58,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:01:58,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:01:58,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:01:58,719 INFO L87 Difference]: Start difference. First operand 434 states and 599 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:58,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:58,856 INFO L93 Difference]: Finished difference Result 1199 states and 1648 transitions. [2023-11-29 04:01:58,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:01:58,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2023-11-29 04:01:58,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:58,861 INFO L225 Difference]: With dead ends: 1199 [2023-11-29 04:01:58,861 INFO L226 Difference]: Without dead ends: 819 [2023-11-29 04:01:58,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:01:58,862 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 202 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:58,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 635 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:01:58,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2023-11-29 04:01:58,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 469. [2023-11-29 04:01:58,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 404 states have (on average 1.3366336633663367) internal successors, (540), 406 states have internal predecessors, (540), 55 states have call successors, (55), 9 states have call predecessors, (55), 9 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2023-11-29 04:01:58,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 650 transitions. [2023-11-29 04:01:58,892 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 650 transitions. Word has length 138 [2023-11-29 04:01:58,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:58,893 INFO L495 AbstractCegarLoop]: Abstraction has 469 states and 650 transitions. [2023-11-29 04:01:58,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:58,893 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 650 transitions. [2023-11-29 04:01:58,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 04:01:58,894 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:58,894 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:58,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-11-29 04:01:59,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:59,095 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:59,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:59,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1845937847, now seen corresponding path program 1 times [2023-11-29 04:01:59,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:01:59,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297020754] [2023-11-29 04:01:59,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:59,097 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:59,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:01:59,098 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:01:59,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-29 04:01:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:59,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:01:59,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:01:59,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-29 04:01:59,538 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:01:59,538 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:01:59,539 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:01:59,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297020754] [2023-11-29 04:01:59,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297020754] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:59,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:59,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:01:59,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313194535] [2023-11-29 04:01:59,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:59,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:01:59,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:01:59,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:01:59,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:01:59,541 INFO L87 Difference]: Start difference. First operand 469 states and 650 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:59,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:01:59,716 INFO L93 Difference]: Finished difference Result 1228 states and 1698 transitions. [2023-11-29 04:01:59,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:01:59,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2023-11-29 04:01:59,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:01:59,722 INFO L225 Difference]: With dead ends: 1228 [2023-11-29 04:01:59,722 INFO L226 Difference]: Without dead ends: 813 [2023-11-29 04:01:59,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:01:59,724 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 227 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:01:59,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 671 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:01:59,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2023-11-29 04:01:59,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 519. [2023-11-29 04:01:59,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 454 states have (on average 1.3458149779735682) internal successors, (611), 456 states have internal predecessors, (611), 55 states have call successors, (55), 9 states have call predecessors, (55), 9 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2023-11-29 04:01:59,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 721 transitions. [2023-11-29 04:01:59,768 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 721 transitions. Word has length 138 [2023-11-29 04:01:59,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:01:59,768 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 721 transitions. [2023-11-29 04:01:59,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:01:59,769 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 721 transitions. [2023-11-29 04:01:59,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-29 04:01:59,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:01:59,771 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:59,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-11-29 04:01:59,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:59,973 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:01:59,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:59,974 INFO L85 PathProgramCache]: Analyzing trace with hash -230046301, now seen corresponding path program 1 times [2023-11-29 04:01:59,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:01:59,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [797271802] [2023-11-29 04:01:59,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:59,974 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:01:59,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:01:59,975 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:01:59,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-29 04:02:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:00,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 04:02:00,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:00,612 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2023-11-29 04:02:00,612 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:02:00,719 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:00,719 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:00,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [797271802] [2023-11-29 04:02:00,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [797271802] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:02:00,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:02:00,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2023-11-29 04:02:00,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945468640] [2023-11-29 04:02:00,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:00,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:02:00,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:00,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:02:00,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:02:00,721 INFO L87 Difference]: Start difference. First operand 519 states and 721 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:00,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:00,873 INFO L93 Difference]: Finished difference Result 1198 states and 1652 transitions. [2023-11-29 04:02:00,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:02:00,874 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2023-11-29 04:02:00,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:00,879 INFO L225 Difference]: With dead ends: 1198 [2023-11-29 04:02:00,880 INFO L226 Difference]: Without dead ends: 783 [2023-11-29 04:02:00,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:02:00,882 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 149 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:00,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 629 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:02:00,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2023-11-29 04:02:00,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 521. [2023-11-29 04:02:00,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 456 states have (on average 1.3399122807017543) internal successors, (611), 458 states have internal predecessors, (611), 55 states have call successors, (55), 9 states have call predecessors, (55), 9 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2023-11-29 04:02:00,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 721 transitions. [2023-11-29 04:02:00,924 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 721 transitions. Word has length 139 [2023-11-29 04:02:00,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:00,924 INFO L495 AbstractCegarLoop]: Abstraction has 521 states and 721 transitions. [2023-11-29 04:02:00,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:00,925 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 721 transitions. [2023-11-29 04:02:00,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 04:02:00,926 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:00,927 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:00,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2023-11-29 04:02:01,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:01,127 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:01,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:01,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1987489958, now seen corresponding path program 1 times [2023-11-29 04:02:01,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:01,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409558497] [2023-11-29 04:02:01,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:01,128 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:01,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:01,129 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:01,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-29 04:02:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:01,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 04:02:01,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:01,696 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2023-11-29 04:02:01,696 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:02:01,817 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:01,817 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:01,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409558497] [2023-11-29 04:02:01,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1409558497] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:02:01,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:02:01,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2023-11-29 04:02:01,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081138234] [2023-11-29 04:02:01,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:01,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:02:01,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:01,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:02:01,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:02:01,819 INFO L87 Difference]: Start difference. First operand 521 states and 721 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:01,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:01,951 INFO L93 Difference]: Finished difference Result 1143 states and 1571 transitions. [2023-11-29 04:02:01,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:02:01,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2023-11-29 04:02:01,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:01,955 INFO L225 Difference]: With dead ends: 1143 [2023-11-29 04:02:01,955 INFO L226 Difference]: Without dead ends: 726 [2023-11-29 04:02:01,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:02:01,957 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 135 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:01,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 578 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:02:01,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2023-11-29 04:02:01,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 529. [2023-11-29 04:02:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 464 states have (on average 1.3362068965517242) internal successors, (620), 466 states have internal predecessors, (620), 55 states have call successors, (55), 9 states have call predecessors, (55), 9 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2023-11-29 04:02:01,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 730 transitions. [2023-11-29 04:02:01,996 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 730 transitions. Word has length 140 [2023-11-29 04:02:01,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:01,997 INFO L495 AbstractCegarLoop]: Abstraction has 529 states and 730 transitions. [2023-11-29 04:02:01,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:01,997 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 730 transitions. [2023-11-29 04:02:01,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 04:02:01,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:01,999 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:02,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-11-29 04:02:02,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:02,200 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:02,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:02,200 INFO L85 PathProgramCache]: Analyzing trace with hash -191060163, now seen corresponding path program 1 times [2023-11-29 04:02:02,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:02,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [753038453] [2023-11-29 04:02:02,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:02,201 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:02,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:02,202 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:02,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-11-29 04:02:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:02,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 04:02:02,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:02,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:02:02,488 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:02,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 31 [2023-11-29 04:02:02,621 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:02,622 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:02:02,622 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:02,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [753038453] [2023-11-29 04:02:02,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [753038453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:02,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:02,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:02:02,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109113783] [2023-11-29 04:02:02,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:02,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:02:02,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:02,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:02:02,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:02:02,624 INFO L87 Difference]: Start difference. First operand 529 states and 730 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:03,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:03,092 INFO L93 Difference]: Finished difference Result 1346 states and 1840 transitions. [2023-11-29 04:02:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 04:02:03,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2023-11-29 04:02:03,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:03,097 INFO L225 Difference]: With dead ends: 1346 [2023-11-29 04:02:03,097 INFO L226 Difference]: Without dead ends: 921 [2023-11-29 04:02:03,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:02:03,099 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 178 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:03,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 869 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 04:02:03,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2023-11-29 04:02:03,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 849. [2023-11-29 04:02:03,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 849 states, 751 states have (on average 1.3182423435419441) internal successors, (990), 757 states have internal predecessors, (990), 83 states have call successors, (83), 14 states have call predecessors, (83), 14 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2023-11-29 04:02:03,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1156 transitions. [2023-11-29 04:02:03,158 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1156 transitions. Word has length 141 [2023-11-29 04:02:03,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:03,159 INFO L495 AbstractCegarLoop]: Abstraction has 849 states and 1156 transitions. [2023-11-29 04:02:03,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:03,159 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1156 transitions. [2023-11-29 04:02:03,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 04:02:03,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:03,162 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:03,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2023-11-29 04:02:03,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:03,362 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:03,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:03,363 INFO L85 PathProgramCache]: Analyzing trace with hash -156096645, now seen corresponding path program 1 times [2023-11-29 04:02:03,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:03,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929670899] [2023-11-29 04:02:03,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:03,364 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:03,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:03,365 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:03,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-11-29 04:02:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:03,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 04:02:03,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:03,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2023-11-29 04:02:03,996 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2023-11-29 04:02:03,997 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:02:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:04,133 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:04,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929670899] [2023-11-29 04:02:04,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [929670899] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:02:04,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:02:04,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-29 04:02:04,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087330030] [2023-11-29 04:02:04,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:04,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:02:04,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:04,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:02:04,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:02:04,135 INFO L87 Difference]: Start difference. First operand 849 states and 1156 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:04,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:04,276 INFO L93 Difference]: Finished difference Result 1627 states and 2207 transitions. [2023-11-29 04:02:04,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:02:04,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2023-11-29 04:02:04,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:04,282 INFO L225 Difference]: With dead ends: 1627 [2023-11-29 04:02:04,282 INFO L226 Difference]: Without dead ends: 872 [2023-11-29 04:02:04,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:02:04,284 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 88 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:04,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 646 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:02:04,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2023-11-29 04:02:04,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 775. [2023-11-29 04:02:04,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 677 states have (on average 1.310192023633678) internal successors, (887), 683 states have internal predecessors, (887), 83 states have call successors, (83), 14 states have call predecessors, (83), 14 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2023-11-29 04:02:04,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1053 transitions. [2023-11-29 04:02:04,347 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1053 transitions. Word has length 141 [2023-11-29 04:02:04,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:04,347 INFO L495 AbstractCegarLoop]: Abstraction has 775 states and 1053 transitions. [2023-11-29 04:02:04,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:04,347 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1053 transitions. [2023-11-29 04:02:04,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 04:02:04,349 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:04,350 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:04,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2023-11-29 04:02:04,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:04,550 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:04,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:04,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1242440889, now seen corresponding path program 1 times [2023-11-29 04:02:04,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:04,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [972206775] [2023-11-29 04:02:04,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:04,551 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:04,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:04,552 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:04,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-11-29 04:02:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:04,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 04:02:04,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:04,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:02:04,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2023-11-29 04:02:04,856 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:04,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 24 [2023-11-29 04:02:04,894 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:04,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 30 [2023-11-29 04:02:04,920 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:04,921 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:02:04,921 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:04,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [972206775] [2023-11-29 04:02:04,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [972206775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:04,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:04,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:02:04,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71707175] [2023-11-29 04:02:04,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:04,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:02:04,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:04,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:02:04,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:02:04,922 INFO L87 Difference]: Start difference. First operand 775 states and 1053 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:05,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:05,384 INFO L93 Difference]: Finished difference Result 1691 states and 2295 transitions. [2023-11-29 04:02:05,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 04:02:05,385 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2023-11-29 04:02:05,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:05,390 INFO L225 Difference]: With dead ends: 1691 [2023-11-29 04:02:05,390 INFO L226 Difference]: Without dead ends: 1010 [2023-11-29 04:02:05,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:02:05,392 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 197 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:05,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 650 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 04:02:05,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2023-11-29 04:02:05,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 767. [2023-11-29 04:02:05,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 667 states have (on average 1.302848575712144) internal successors, (869), 673 states have internal predecessors, (869), 83 states have call successors, (83), 16 states have call predecessors, (83), 16 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2023-11-29 04:02:05,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1035 transitions. [2023-11-29 04:02:05,460 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1035 transitions. Word has length 141 [2023-11-29 04:02:05,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:05,460 INFO L495 AbstractCegarLoop]: Abstraction has 767 states and 1035 transitions. [2023-11-29 04:02:05,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:05,460 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1035 transitions. [2023-11-29 04:02:05,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 04:02:05,462 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:05,462 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:05,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2023-11-29 04:02:05,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:05,663 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:05,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:05,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1747384392, now seen corresponding path program 1 times [2023-11-29 04:02:05,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:05,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2090479128] [2023-11-29 04:02:05,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:05,664 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:05,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:05,664 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:05,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-11-29 04:02:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:05,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:02:05,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:05,883 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:05,883 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:02:05,884 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:05,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2090479128] [2023-11-29 04:02:05,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2090479128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:05,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:05,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:02:05,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043898925] [2023-11-29 04:02:05,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:05,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:02:05,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:05,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:02:05,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:02:05,885 INFO L87 Difference]: Start difference. First operand 767 states and 1035 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:05,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:05,962 INFO L93 Difference]: Finished difference Result 1588 states and 2144 transitions. [2023-11-29 04:02:05,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:02:05,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2023-11-29 04:02:05,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:05,966 INFO L225 Difference]: With dead ends: 1588 [2023-11-29 04:02:05,966 INFO L226 Difference]: Without dead ends: 915 [2023-11-29 04:02:05,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:02:05,967 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 20 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:05,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 285 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:02:05,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2023-11-29 04:02:06,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 775. [2023-11-29 04:02:06,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 675 states have (on average 1.2992592592592593) internal successors, (877), 681 states have internal predecessors, (877), 83 states have call successors, (83), 16 states have call predecessors, (83), 16 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2023-11-29 04:02:06,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1043 transitions. [2023-11-29 04:02:06,008 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1043 transitions. Word has length 143 [2023-11-29 04:02:06,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:06,008 INFO L495 AbstractCegarLoop]: Abstraction has 775 states and 1043 transitions. [2023-11-29 04:02:06,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:06,009 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1043 transitions. [2023-11-29 04:02:06,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 04:02:06,010 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:06,010 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:06,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2023-11-29 04:02:06,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:06,211 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:06,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:06,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2055407597, now seen corresponding path program 1 times [2023-11-29 04:02:06,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:06,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749634696] [2023-11-29 04:02:06,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:06,212 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:06,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:06,213 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:06,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-11-29 04:02:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:06,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 04:02:06,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:06,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 04:02:06,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2023-11-29 04:02:06,474 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:06,474 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:02:06,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:06,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [749634696] [2023-11-29 04:02:06,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [749634696] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:06,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:06,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:02:06,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009541793] [2023-11-29 04:02:06,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:06,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:02:06,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:06,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:02:06,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:02:06,476 INFO L87 Difference]: Start difference. First operand 775 states and 1043 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:06,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:06,621 INFO L93 Difference]: Finished difference Result 1464 states and 1968 transitions. [2023-11-29 04:02:06,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:02:06,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2023-11-29 04:02:06,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:06,627 INFO L225 Difference]: With dead ends: 1464 [2023-11-29 04:02:06,627 INFO L226 Difference]: Without dead ends: 783 [2023-11-29 04:02:06,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:02:06,629 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 138 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:06,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 742 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:02:06,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2023-11-29 04:02:06,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 775. [2023-11-29 04:02:06,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 675 states have (on average 1.2874074074074073) internal successors, (869), 681 states have internal predecessors, (869), 83 states have call successors, (83), 16 states have call predecessors, (83), 16 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2023-11-29 04:02:06,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1035 transitions. [2023-11-29 04:02:06,692 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1035 transitions. Word has length 143 [2023-11-29 04:02:06,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:06,693 INFO L495 AbstractCegarLoop]: Abstraction has 775 states and 1035 transitions. [2023-11-29 04:02:06,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:06,693 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1035 transitions. [2023-11-29 04:02:06,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 04:02:06,694 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:06,695 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:06,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2023-11-29 04:02:06,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:06,895 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:06,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:06,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1998089713, now seen corresponding path program 1 times [2023-11-29 04:02:06,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:06,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130750506] [2023-11-29 04:02:06,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:06,896 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:06,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:06,897 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:06,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-11-29 04:02:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:07,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 04:02:07,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:07,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2023-11-29 04:02:07,467 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:07,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2023-11-29 04:02:07,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 04:02:07,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:02:08,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:02:08,344 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:08,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 38 [2023-11-29 04:02:08,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:02:08,724 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:08,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 17 [2023-11-29 04:02:08,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 04:02:08,754 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 419 proven. 12 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-11-29 04:02:08,754 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:02:09,286 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-29 04:02:09,286 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:09,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130750506] [2023-11-29 04:02:09,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130750506] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:02:09,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:02:09,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2023-11-29 04:02:09,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419745506] [2023-11-29 04:02:09,287 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:02:09,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 04:02:09,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:09,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 04:02:09,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2023-11-29 04:02:09,289 INFO L87 Difference]: Start difference. First operand 775 states and 1035 transitions. Second operand has 17 states, 15 states have (on average 8.466666666666667) internal successors, (127), 17 states have internal predecessors, (127), 9 states have call successors, (34), 5 states have call predecessors, (34), 7 states have return successors, (34), 7 states have call predecessors, (34), 9 states have call successors, (34) [2023-11-29 04:02:11,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:11,316 INFO L93 Difference]: Finished difference Result 1562 states and 2061 transitions. [2023-11-29 04:02:11,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 04:02:11,317 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 8.466666666666667) internal successors, (127), 17 states have internal predecessors, (127), 9 states have call successors, (34), 5 states have call predecessors, (34), 7 states have return successors, (34), 7 states have call predecessors, (34), 9 states have call successors, (34) Word has length 143 [2023-11-29 04:02:11,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:11,321 INFO L225 Difference]: With dead ends: 1562 [2023-11-29 04:02:11,321 INFO L226 Difference]: Without dead ends: 881 [2023-11-29 04:02:11,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2023-11-29 04:02:11,322 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 484 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:11,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 733 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 04:02:11,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2023-11-29 04:02:11,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 775. [2023-11-29 04:02:11,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 675 states have (on average 1.2814814814814814) internal successors, (865), 681 states have internal predecessors, (865), 83 states have call successors, (83), 16 states have call predecessors, (83), 16 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2023-11-29 04:02:11,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1031 transitions. [2023-11-29 04:02:11,396 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1031 transitions. Word has length 143 [2023-11-29 04:02:11,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:11,396 INFO L495 AbstractCegarLoop]: Abstraction has 775 states and 1031 transitions. [2023-11-29 04:02:11,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 8.466666666666667) internal successors, (127), 17 states have internal predecessors, (127), 9 states have call successors, (34), 5 states have call predecessors, (34), 7 states have return successors, (34), 7 states have call predecessors, (34), 9 states have call successors, (34) [2023-11-29 04:02:11,396 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1031 transitions. [2023-11-29 04:02:11,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 04:02:11,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:11,398 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:11,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2023-11-29 04:02:11,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:11,598 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:11,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:11,599 INFO L85 PathProgramCache]: Analyzing trace with hash 324115965, now seen corresponding path program 1 times [2023-11-29 04:02:11,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:11,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596964785] [2023-11-29 04:02:11,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:11,599 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:11,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:11,600 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:11,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2023-11-29 04:02:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:11,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 04:02:11,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:12,024 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:12,024 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:02:12,025 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:12,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596964785] [2023-11-29 04:02:12,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1596964785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:12,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:12,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:02:12,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903928598] [2023-11-29 04:02:12,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:12,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:02:12,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:12,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:02:12,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:02:12,026 INFO L87 Difference]: Start difference. First operand 775 states and 1031 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:13,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:13,028 INFO L93 Difference]: Finished difference Result 2385 states and 3139 transitions. [2023-11-29 04:02:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 04:02:13,029 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2023-11-29 04:02:13,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:13,036 INFO L225 Difference]: With dead ends: 2385 [2023-11-29 04:02:13,036 INFO L226 Difference]: Without dead ends: 1687 [2023-11-29 04:02:13,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:02:13,038 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 333 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:13,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 794 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 04:02:13,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2023-11-29 04:02:13,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1440. [2023-11-29 04:02:13,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1253 states have (on average 1.2625698324022345) internal successors, (1582), 1266 states have internal predecessors, (1582), 155 states have call successors, (155), 31 states have call predecessors, (155), 31 states have return successors, (155), 142 states have call predecessors, (155), 155 states have call successors, (155) [2023-11-29 04:02:13,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 1892 transitions. [2023-11-29 04:02:13,126 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 1892 transitions. Word has length 145 [2023-11-29 04:02:13,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:13,127 INFO L495 AbstractCegarLoop]: Abstraction has 1440 states and 1892 transitions. [2023-11-29 04:02:13,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:13,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1892 transitions. [2023-11-29 04:02:13,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 04:02:13,129 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:13,129 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:13,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2023-11-29 04:02:13,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:13,329 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:13,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:13,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1230712884, now seen corresponding path program 1 times [2023-11-29 04:02:13,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:13,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392070208] [2023-11-29 04:02:13,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:13,331 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:13,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:13,332 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:13,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-11-29 04:02:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:13,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 04:02:13,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:13,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:02:13,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-11-29 04:02:13,731 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:13,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 27 [2023-11-29 04:02:13,747 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:13,747 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:02:13,748 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:13,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392070208] [2023-11-29 04:02:13,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392070208] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:13,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:13,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:02:13,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862631757] [2023-11-29 04:02:13,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:13,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:02:13,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:13,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:02:13,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:02:13,749 INFO L87 Difference]: Start difference. First operand 1440 states and 1892 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:13,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:13,960 INFO L93 Difference]: Finished difference Result 1522 states and 1981 transitions. [2023-11-29 04:02:13,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:02:13,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2023-11-29 04:02:13,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:13,968 INFO L225 Difference]: With dead ends: 1522 [2023-11-29 04:02:13,968 INFO L226 Difference]: Without dead ends: 1520 [2023-11-29 04:02:13,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:02:13,970 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 82 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:13,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 617 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:02:13,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2023-11-29 04:02:14,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1504. [2023-11-29 04:02:14,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1504 states, 1309 states have (on average 1.2513368983957218) internal successors, (1638), 1322 states have internal predecessors, (1638), 155 states have call successors, (155), 39 states have call predecessors, (155), 39 states have return successors, (155), 142 states have call predecessors, (155), 155 states have call successors, (155) [2023-11-29 04:02:14,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1504 states and 1948 transitions. [2023-11-29 04:02:14,111 INFO L78 Accepts]: Start accepts. Automaton has 1504 states and 1948 transitions. Word has length 145 [2023-11-29 04:02:14,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:14,111 INFO L495 AbstractCegarLoop]: Abstraction has 1504 states and 1948 transitions. [2023-11-29 04:02:14,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:14,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1948 transitions. [2023-11-29 04:02:14,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 04:02:14,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:14,113 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:14,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2023-11-29 04:02:14,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:14,314 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:14,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:14,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1230653302, now seen corresponding path program 1 times [2023-11-29 04:02:14,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:14,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2007696424] [2023-11-29 04:02:14,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:14,315 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:14,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:14,316 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:14,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2023-11-29 04:02:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:14,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 04:02:14,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:14,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:02:15,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 61 [2023-11-29 04:02:15,849 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:15,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 203 treesize of output 77 [2023-11-29 04:02:15,907 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-11-29 04:02:15,907 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:02:16,130 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:16,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2007696424] [2023-11-29 04:02:16,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2007696424] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:02:16,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1078539041] [2023-11-29 04:02:16,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:16,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 04:02:16,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 04:02:16,132 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 04:02:16,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-11-29 04:02:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:16,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 04:02:16,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:16,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 04:02:17,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 59 [2023-11-29 04:02:18,361 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:18,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 77 [2023-11-29 04:02:18,391 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-11-29 04:02:18,392 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:02:18,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1078539041] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:02:18,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:02:18,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2023-11-29 04:02:18,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279170037] [2023-11-29 04:02:18,580 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:02:18,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 04:02:18,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:18,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 04:02:18,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2023-11-29 04:02:18,582 INFO L87 Difference]: Start difference. First operand 1504 states and 1948 transitions. Second operand has 16 states, 16 states have (on average 7.9375) internal successors, (127), 15 states have internal predecessors, (127), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2023-11-29 04:02:19,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:19,916 INFO L93 Difference]: Finished difference Result 4428 states and 5714 transitions. [2023-11-29 04:02:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 04:02:19,918 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.9375) internal successors, (127), 15 states have internal predecessors, (127), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 145 [2023-11-29 04:02:19,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:19,929 INFO L225 Difference]: With dead ends: 4428 [2023-11-29 04:02:19,929 INFO L226 Difference]: Without dead ends: 3035 [2023-11-29 04:02:19,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 351 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=135, Invalid=465, Unknown=0, NotChecked=0, Total=600 [2023-11-29 04:02:19,931 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 650 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:19,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 1216 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:02:19,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3035 states. [2023-11-29 04:02:20,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3035 to 2989. [2023-11-29 04:02:20,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2989 states, 2597 states have (on average 1.2402772429726607) internal successors, (3221), 2631 states have internal predecessors, (3221), 306 states have call successors, (306), 85 states have call predecessors, (306), 85 states have return successors, (306), 272 states have call predecessors, (306), 306 states have call successors, (306) [2023-11-29 04:02:20,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2989 states and 3833 transitions. [2023-11-29 04:02:20,251 INFO L78 Accepts]: Start accepts. Automaton has 2989 states and 3833 transitions. Word has length 145 [2023-11-29 04:02:20,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:20,251 INFO L495 AbstractCegarLoop]: Abstraction has 2989 states and 3833 transitions. [2023-11-29 04:02:20,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.9375) internal successors, (127), 15 states have internal predecessors, (127), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2023-11-29 04:02:20,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 3833 transitions. [2023-11-29 04:02:20,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 04:02:20,255 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:20,255 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:20,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-11-29 04:02:20,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2023-11-29 04:02:20,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:20,657 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:20,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:20,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1982741626, now seen corresponding path program 1 times [2023-11-29 04:02:20,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:20,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625736486] [2023-11-29 04:02:20,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:20,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:20,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:20,659 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:20,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2023-11-29 04:02:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:20,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 04:02:20,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:20,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2023-11-29 04:02:20,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2023-11-29 04:02:21,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 04:02:21,076 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:21,076 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:02:21,077 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:21,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625736486] [2023-11-29 04:02:21,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [625736486] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:21,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:21,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 04:02:21,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522370057] [2023-11-29 04:02:21,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:21,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 04:02:21,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:21,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 04:02:21,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:02:21,078 INFO L87 Difference]: Start difference. First operand 2989 states and 3833 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:22,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:22,386 INFO L93 Difference]: Finished difference Result 6303 states and 7999 transitions. [2023-11-29 04:02:22,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 04:02:22,387 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2023-11-29 04:02:22,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:22,403 INFO L225 Difference]: With dead ends: 6303 [2023-11-29 04:02:22,404 INFO L226 Difference]: Without dead ends: 3519 [2023-11-29 04:02:22,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:02:22,408 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 214 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:22,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 1396 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 04:02:22,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3519 states. [2023-11-29 04:02:22,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3519 to 3109. [2023-11-29 04:02:22,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3109 states, 2717 states have (on average 1.229665071770335) internal successors, (3341), 2751 states have internal predecessors, (3341), 306 states have call successors, (306), 85 states have call predecessors, (306), 85 states have return successors, (306), 272 states have call predecessors, (306), 306 states have call successors, (306) [2023-11-29 04:02:22,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 3109 states and 3953 transitions. [2023-11-29 04:02:22,675 INFO L78 Accepts]: Start accepts. Automaton has 3109 states and 3953 transitions. Word has length 145 [2023-11-29 04:02:22,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:22,675 INFO L495 AbstractCegarLoop]: Abstraction has 3109 states and 3953 transitions. [2023-11-29 04:02:22,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:22,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 3953 transitions. [2023-11-29 04:02:22,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 04:02:22,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:22,678 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:22,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2023-11-29 04:02:22,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:22,879 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:22,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:22,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1724576188, now seen corresponding path program 1 times [2023-11-29 04:02:22,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:22,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724351098] [2023-11-29 04:02:22,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:22,880 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:22,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:22,881 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:22,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2023-11-29 04:02:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:23,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:02:23,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:23,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-11-29 04:02:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:23,199 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:02:23,199 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:23,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724351098] [2023-11-29 04:02:23,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [724351098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:23,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:23,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:02:23,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748176200] [2023-11-29 04:02:23,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:23,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:02:23,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:23,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:02:23,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:02:23,201 INFO L87 Difference]: Start difference. First operand 3109 states and 3953 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:24,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:24,021 INFO L93 Difference]: Finished difference Result 6144 states and 7767 transitions. [2023-11-29 04:02:24,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:02:24,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2023-11-29 04:02:24,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:24,036 INFO L225 Difference]: With dead ends: 6144 [2023-11-29 04:02:24,036 INFO L226 Difference]: Without dead ends: 3240 [2023-11-29 04:02:24,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:02:24,040 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 153 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:24,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 464 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 04:02:24,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3240 states. [2023-11-29 04:02:24,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3240 to 3003. [2023-11-29 04:02:24,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3003 states, 2611 states have (on average 1.2202221371122175) internal successors, (3186), 2645 states have internal predecessors, (3186), 306 states have call successors, (306), 85 states have call predecessors, (306), 85 states have return successors, (306), 272 states have call predecessors, (306), 306 states have call successors, (306) [2023-11-29 04:02:24,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 3798 transitions. [2023-11-29 04:02:24,290 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 3798 transitions. Word has length 145 [2023-11-29 04:02:24,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:24,291 INFO L495 AbstractCegarLoop]: Abstraction has 3003 states and 3798 transitions. [2023-11-29 04:02:24,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:24,291 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 3798 transitions. [2023-11-29 04:02:24,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 04:02:24,293 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:24,294 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:24,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2023-11-29 04:02:24,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:24,494 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:24,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:24,495 INFO L85 PathProgramCache]: Analyzing trace with hash -372317891, now seen corresponding path program 1 times [2023-11-29 04:02:24,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:24,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1318596916] [2023-11-29 04:02:24,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:24,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:24,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:24,496 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:24,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2023-11-29 04:02:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:24,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 04:02:24,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:24,930 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:24,930 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:02:24,930 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:24,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1318596916] [2023-11-29 04:02:24,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1318596916] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:24,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:24,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:02:24,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421595465] [2023-11-29 04:02:24,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:24,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:02:24,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:24,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:02:24,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:02:24,932 INFO L87 Difference]: Start difference. First operand 3003 states and 3798 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:26,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:26,140 INFO L93 Difference]: Finished difference Result 6304 states and 7907 transitions. [2023-11-29 04:02:26,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 04:02:26,141 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2023-11-29 04:02:26,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:26,154 INFO L225 Difference]: With dead ends: 6304 [2023-11-29 04:02:26,155 INFO L226 Difference]: Without dead ends: 3506 [2023-11-29 04:02:26,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:02:26,159 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 336 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:26,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 782 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:02:26,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3506 states. [2023-11-29 04:02:26,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3506 to 2987. [2023-11-29 04:02:26,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2987 states, 2595 states have (on average 1.2154142581888248) internal successors, (3154), 2629 states have internal predecessors, (3154), 306 states have call successors, (306), 85 states have call predecessors, (306), 85 states have return successors, (306), 272 states have call predecessors, (306), 306 states have call successors, (306) [2023-11-29 04:02:26,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2987 states and 3766 transitions. [2023-11-29 04:02:26,378 INFO L78 Accepts]: Start accepts. Automaton has 2987 states and 3766 transitions. Word has length 145 [2023-11-29 04:02:26,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:26,379 INFO L495 AbstractCegarLoop]: Abstraction has 2987 states and 3766 transitions. [2023-11-29 04:02:26,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:26,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2987 states and 3766 transitions. [2023-11-29 04:02:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 04:02:26,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:26,381 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:26,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2023-11-29 04:02:26,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:26,581 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:26,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:26,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1270754622, now seen corresponding path program 1 times [2023-11-29 04:02:26,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:26,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581588753] [2023-11-29 04:02:26,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:26,582 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:26,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:26,583 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:26,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2023-11-29 04:02:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:26,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-29 04:02:26,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:26,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 04:02:26,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2023-11-29 04:02:26,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:02:27,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:02:27,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:02:27,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:27,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-29 04:02:27,459 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:27,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 56 [2023-11-29 04:02:27,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 04:02:28,745 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 377 proven. 12 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-29 04:02:28,745 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:02:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:29,762 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:29,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581588753] [2023-11-29 04:02:29,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581588753] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:02:29,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:02:29,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [18] total 29 [2023-11-29 04:02:29,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914872400] [2023-11-29 04:02:29,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:29,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:02:29,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:29,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:02:29,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=623, Unknown=0, NotChecked=0, Total=812 [2023-11-29 04:02:29,764 INFO L87 Difference]: Start difference. First operand 2987 states and 3766 transitions. Second operand has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:33,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:33,195 INFO L93 Difference]: Finished difference Result 9683 states and 12151 transitions. [2023-11-29 04:02:33,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 04:02:33,197 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2023-11-29 04:02:33,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:33,212 INFO L225 Difference]: With dead ends: 9683 [2023-11-29 04:02:33,212 INFO L226 Difference]: Without dead ends: 7835 [2023-11-29 04:02:33,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=398, Invalid=1162, Unknown=0, NotChecked=0, Total=1560 [2023-11-29 04:02:33,217 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 777 mSDsluCounter, 1730 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 1908 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:33,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 1908 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-29 04:02:33,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7835 states. [2023-11-29 04:02:33,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7835 to 4577. [2023-11-29 04:02:33,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4577 states, 4088 states have (on average 1.235078277886497) internal successors, (5049), 4147 states have internal predecessors, (5049), 376 states have call successors, (376), 112 states have call predecessors, (376), 112 states have return successors, (376), 317 states have call predecessors, (376), 376 states have call successors, (376) [2023-11-29 04:02:33,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4577 states to 4577 states and 5801 transitions. [2023-11-29 04:02:33,539 INFO L78 Accepts]: Start accepts. Automaton has 4577 states and 5801 transitions. Word has length 145 [2023-11-29 04:02:33,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:33,540 INFO L495 AbstractCegarLoop]: Abstraction has 4577 states and 5801 transitions. [2023-11-29 04:02:33,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:33,541 INFO L276 IsEmpty]: Start isEmpty. Operand 4577 states and 5801 transitions. [2023-11-29 04:02:33,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 04:02:33,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:33,544 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:33,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2023-11-29 04:02:33,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:33,744 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:33,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:33,745 INFO L85 PathProgramCache]: Analyzing trace with hash 2003144320, now seen corresponding path program 1 times [2023-11-29 04:02:33,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:33,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1771329769] [2023-11-29 04:02:33,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:33,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:33,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:33,747 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:33,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2023-11-29 04:02:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:34,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-29 04:02:34,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:34,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 04:02:34,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2023-11-29 04:02:34,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:02:34,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:02:34,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:02:34,620 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:34,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 36 [2023-11-29 04:02:34,807 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:34,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 52 [2023-11-29 04:02:34,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 04:02:35,457 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:35,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 37 [2023-11-29 04:02:35,606 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 419 proven. 12 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-11-29 04:02:35,606 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:02:36,104 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:36,104 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:36,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1771329769] [2023-11-29 04:02:36,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1771329769] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:02:36,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:02:36,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [18] total 25 [2023-11-29 04:02:36,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662084964] [2023-11-29 04:02:36,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:36,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 04:02:36,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:36,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 04:02:36,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2023-11-29 04:02:36,106 INFO L87 Difference]: Start difference. First operand 4577 states and 5801 transitions. Second operand has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:38,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:38,265 INFO L93 Difference]: Finished difference Result 10342 states and 13068 transitions. [2023-11-29 04:02:38,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 04:02:38,266 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2023-11-29 04:02:38,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:38,277 INFO L225 Difference]: With dead ends: 10342 [2023-11-29 04:02:38,277 INFO L226 Difference]: Without dead ends: 6992 [2023-11-29 04:02:38,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=259, Invalid=1381, Unknown=0, NotChecked=0, Total=1640 [2023-11-29 04:02:38,283 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 505 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 1643 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:38,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 1643 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 04:02:38,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6992 states. [2023-11-29 04:02:38,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6992 to 4711. [2023-11-29 04:02:38,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4711 states, 4222 states have (on average 1.2423022264329702) internal successors, (5245), 4281 states have internal predecessors, (5245), 376 states have call successors, (376), 112 states have call predecessors, (376), 112 states have return successors, (376), 317 states have call predecessors, (376), 376 states have call successors, (376) [2023-11-29 04:02:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4711 states to 4711 states and 5997 transitions. [2023-11-29 04:02:38,587 INFO L78 Accepts]: Start accepts. Automaton has 4711 states and 5997 transitions. Word has length 145 [2023-11-29 04:02:38,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:38,587 INFO L495 AbstractCegarLoop]: Abstraction has 4711 states and 5997 transitions. [2023-11-29 04:02:38,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:38,587 INFO L276 IsEmpty]: Start isEmpty. Operand 4711 states and 5997 transitions. [2023-11-29 04:02:38,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 04:02:38,589 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:38,589 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:38,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2023-11-29 04:02:38,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:38,790 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:38,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:38,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1545514236, now seen corresponding path program 1 times [2023-11-29 04:02:38,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:38,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581399982] [2023-11-29 04:02:38,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:38,791 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:38,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:38,792 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:38,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2023-11-29 04:02:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:39,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 04:02:39,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:39,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:02:39,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2023-11-29 04:02:39,107 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:39,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 37 [2023-11-29 04:02:39,472 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:39,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 22 [2023-11-29 04:02:39,567 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:39,567 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:02:39,567 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:39,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581399982] [2023-11-29 04:02:39,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581399982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:39,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:39,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 04:02:39,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591894833] [2023-11-29 04:02:39,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:39,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:02:39,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:39,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:02:39,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:02:39,569 INFO L87 Difference]: Start difference. First operand 4711 states and 5997 transitions. Second operand has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:42,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:42,707 INFO L93 Difference]: Finished difference Result 13613 states and 17085 transitions. [2023-11-29 04:02:42,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-29 04:02:42,708 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2023-11-29 04:02:42,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:42,721 INFO L225 Difference]: With dead ends: 13613 [2023-11-29 04:02:42,721 INFO L226 Difference]: Without dead ends: 10147 [2023-11-29 04:02:42,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=339, Invalid=921, Unknown=0, NotChecked=0, Total=1260 [2023-11-29 04:02:42,725 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 767 mSDsluCounter, 1628 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 1869 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:42,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 1869 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 938 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 04:02:42,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10147 states. [2023-11-29 04:02:43,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10147 to 4881. [2023-11-29 04:02:43,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4881 states, 4392 states have (on average 1.2511384335154827) internal successors, (5495), 4451 states have internal predecessors, (5495), 376 states have call successors, (376), 112 states have call predecessors, (376), 112 states have return successors, (376), 317 states have call predecessors, (376), 376 states have call successors, (376) [2023-11-29 04:02:43,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4881 states to 4881 states and 6247 transitions. [2023-11-29 04:02:43,036 INFO L78 Accepts]: Start accepts. Automaton has 4881 states and 6247 transitions. Word has length 145 [2023-11-29 04:02:43,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:43,036 INFO L495 AbstractCegarLoop]: Abstraction has 4881 states and 6247 transitions. [2023-11-29 04:02:43,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:43,036 INFO L276 IsEmpty]: Start isEmpty. Operand 4881 states and 6247 transitions. [2023-11-29 04:02:43,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 04:02:43,038 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:43,038 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:43,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2023-11-29 04:02:43,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:43,239 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:43,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:43,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1728384706, now seen corresponding path program 1 times [2023-11-29 04:02:43,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:43,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [54093593] [2023-11-29 04:02:43,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:43,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:43,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:43,241 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:43,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2023-11-29 04:02:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:43,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-29 04:02:43,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:43,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 04:02:43,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2023-11-29 04:02:43,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:02:43,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:02:43,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:02:44,091 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:44,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 36 [2023-11-29 04:02:44,343 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:44,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 59 [2023-11-29 04:02:44,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 04:02:45,067 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:45,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 44 [2023-11-29 04:02:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 419 proven. 12 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-11-29 04:02:45,204 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:02:45,762 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:45,762 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:45,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [54093593] [2023-11-29 04:02:45,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [54093593] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:02:45,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:02:45,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2023-11-29 04:02:45,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089209916] [2023-11-29 04:02:45,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:45,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:02:45,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:45,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:02:45,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2023-11-29 04:02:45,764 INFO L87 Difference]: Start difference. First operand 4881 states and 6247 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:47,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:47,746 INFO L93 Difference]: Finished difference Result 12257 states and 15490 transitions. [2023-11-29 04:02:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 04:02:47,748 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2023-11-29 04:02:47,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:47,761 INFO L225 Difference]: With dead ends: 12257 [2023-11-29 04:02:47,761 INFO L226 Difference]: Without dead ends: 8621 [2023-11-29 04:02:47,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=136, Invalid=514, Unknown=0, NotChecked=0, Total=650 [2023-11-29 04:02:47,766 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 503 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:47,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 1094 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 04:02:47,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8621 states. [2023-11-29 04:02:48,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8621 to 4937. [2023-11-29 04:02:48,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4937 states, 4448 states have (on average 1.2589928057553956) internal successors, (5600), 4507 states have internal predecessors, (5600), 376 states have call successors, (376), 112 states have call predecessors, (376), 112 states have return successors, (376), 317 states have call predecessors, (376), 376 states have call successors, (376) [2023-11-29 04:02:48,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4937 states to 4937 states and 6352 transitions. [2023-11-29 04:02:48,222 INFO L78 Accepts]: Start accepts. Automaton has 4937 states and 6352 transitions. Word has length 145 [2023-11-29 04:02:48,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:48,222 INFO L495 AbstractCegarLoop]: Abstraction has 4937 states and 6352 transitions. [2023-11-29 04:02:48,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:48,223 INFO L276 IsEmpty]: Start isEmpty. Operand 4937 states and 6352 transitions. [2023-11-29 04:02:48,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 04:02:48,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:48,225 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:48,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2023-11-29 04:02:48,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:48,426 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:48,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:48,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1782141708, now seen corresponding path program 1 times [2023-11-29 04:02:48,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:48,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7894608] [2023-11-29 04:02:48,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:48,427 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:48,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:48,428 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:48,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2023-11-29 04:02:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:48,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:02:48,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-11-29 04:02:48,671 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:02:48,671 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:48,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7894608] [2023-11-29 04:02:48,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [7894608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:48,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:48,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:02:48,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767987168] [2023-11-29 04:02:48,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:48,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:02:48,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:48,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:02:48,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:02:48,673 INFO L87 Difference]: Start difference. First operand 4937 states and 6352 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:02:49,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:49,020 INFO L93 Difference]: Finished difference Result 9748 states and 12551 transitions. [2023-11-29 04:02:49,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:02:49,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 145 [2023-11-29 04:02:49,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:49,028 INFO L225 Difference]: With dead ends: 9748 [2023-11-29 04:02:49,028 INFO L226 Difference]: Without dead ends: 4988 [2023-11-29 04:02:49,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:02:49,034 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 7 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:49,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 435 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:02:49,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states. [2023-11-29 04:02:49,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4937. [2023-11-29 04:02:49,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4937 states, 4448 states have (on average 1.2558453237410072) internal successors, (5586), 4507 states have internal predecessors, (5586), 376 states have call successors, (376), 112 states have call predecessors, (376), 112 states have return successors, (376), 317 states have call predecessors, (376), 376 states have call successors, (376) [2023-11-29 04:02:49,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4937 states to 4937 states and 6338 transitions. [2023-11-29 04:02:49,335 INFO L78 Accepts]: Start accepts. Automaton has 4937 states and 6338 transitions. Word has length 145 [2023-11-29 04:02:49,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:49,335 INFO L495 AbstractCegarLoop]: Abstraction has 4937 states and 6338 transitions. [2023-11-29 04:02:49,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:02:49,335 INFO L276 IsEmpty]: Start isEmpty. Operand 4937 states and 6338 transitions. [2023-11-29 04:02:49,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:02:49,337 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:49,337 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:49,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2023-11-29 04:02:49,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:49,538 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:49,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:49,538 INFO L85 PathProgramCache]: Analyzing trace with hash -2064923454, now seen corresponding path program 1 times [2023-11-29 04:02:49,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:49,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255934770] [2023-11-29 04:02:49,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:49,539 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:49,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:49,540 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:49,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2023-11-29 04:02:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:49,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 04:02:49,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:49,991 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:49,991 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:02:49,991 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:49,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [255934770] [2023-11-29 04:02:49,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [255934770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:49,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:49,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:02:49,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682715962] [2023-11-29 04:02:49,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:49,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:02:49,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:49,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:02:49,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:02:49,993 INFO L87 Difference]: Start difference. First operand 4937 states and 6338 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:50,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:50,888 INFO L93 Difference]: Finished difference Result 12963 states and 16424 transitions. [2023-11-29 04:02:50,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 04:02:50,889 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2023-11-29 04:02:50,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:50,903 INFO L225 Difference]: With dead ends: 12963 [2023-11-29 04:02:50,903 INFO L226 Difference]: Without dead ends: 8359 [2023-11-29 04:02:50,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:02:50,911 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 120 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:50,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1093 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 04:02:50,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8359 states. [2023-11-29 04:02:51,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8359 to 5781. [2023-11-29 04:02:51,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5781 states, 5273 states have (on average 1.2706239332448321) internal successors, (6700), 5337 states have internal predecessors, (6700), 390 states have call successors, (390), 117 states have call predecessors, (390), 117 states have return successors, (390), 326 states have call predecessors, (390), 390 states have call successors, (390) [2023-11-29 04:02:51,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5781 states to 5781 states and 7480 transitions. [2023-11-29 04:02:51,413 INFO L78 Accepts]: Start accepts. Automaton has 5781 states and 7480 transitions. Word has length 147 [2023-11-29 04:02:51,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:51,413 INFO L495 AbstractCegarLoop]: Abstraction has 5781 states and 7480 transitions. [2023-11-29 04:02:51,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 5781 states and 7480 transitions. [2023-11-29 04:02:51,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:02:51,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:51,416 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:51,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2023-11-29 04:02:51,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:51,616 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:51,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:51,617 INFO L85 PathProgramCache]: Analyzing trace with hash 950180164, now seen corresponding path program 1 times [2023-11-29 04:02:51,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:51,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755809282] [2023-11-29 04:02:51,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:51,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:51,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:51,618 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:51,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2023-11-29 04:02:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:51,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 04:02:51,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:52,832 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:52,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 83 treesize of output 35 [2023-11-29 04:02:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:52,955 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:02:52,956 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:52,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755809282] [2023-11-29 04:02:52,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1755809282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:52,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:52,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 04:02:52,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454074995] [2023-11-29 04:02:52,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:52,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:02:52,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:52,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:02:52,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:02:52,957 INFO L87 Difference]: Start difference. First operand 5781 states and 7480 transitions. Second operand has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:56,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:56,182 INFO L93 Difference]: Finished difference Result 11791 states and 15169 transitions. [2023-11-29 04:02:56,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 04:02:56,183 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2023-11-29 04:02:56,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:56,190 INFO L225 Difference]: With dead ends: 11791 [2023-11-29 04:02:56,190 INFO L226 Difference]: Without dead ends: 6427 [2023-11-29 04:02:56,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2023-11-29 04:02:56,197 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 393 mSDsluCounter, 1316 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:56,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 1501 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 04:02:56,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6427 states. [2023-11-29 04:02:56,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6427 to 5773. [2023-11-29 04:02:56,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5773 states, 5265 states have (on average 1.2687559354226021) internal successors, (6680), 5329 states have internal predecessors, (6680), 390 states have call successors, (390), 117 states have call predecessors, (390), 117 states have return successors, (390), 326 states have call predecessors, (390), 390 states have call successors, (390) [2023-11-29 04:02:56,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5773 states to 5773 states and 7460 transitions. [2023-11-29 04:02:56,532 INFO L78 Accepts]: Start accepts. Automaton has 5773 states and 7460 transitions. Word has length 147 [2023-11-29 04:02:56,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:56,532 INFO L495 AbstractCegarLoop]: Abstraction has 5773 states and 7460 transitions. [2023-11-29 04:02:56,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:56,532 INFO L276 IsEmpty]: Start isEmpty. Operand 5773 states and 7460 transitions. [2023-11-29 04:02:56,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:02:56,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:56,535 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:56,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2023-11-29 04:02:56,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:56,735 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:56,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:56,735 INFO L85 PathProgramCache]: Analyzing trace with hash 801419320, now seen corresponding path program 1 times [2023-11-29 04:02:56,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:56,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513473468] [2023-11-29 04:02:56,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:56,736 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:56,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:56,737 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:56,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2023-11-29 04:02:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:56,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 04:02:56,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:57,112 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:57,112 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:02:57,112 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:57,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513473468] [2023-11-29 04:02:57,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513473468] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:57,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:57,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:02:57,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149380630] [2023-11-29 04:02:57,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:57,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:02:57,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:57,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:02:57,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:02:57,114 INFO L87 Difference]: Start difference. First operand 5773 states and 7460 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:58,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:02:58,085 INFO L93 Difference]: Finished difference Result 14063 states and 17908 transitions. [2023-11-29 04:02:58,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 04:02:58,086 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2023-11-29 04:02:58,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:02:58,095 INFO L225 Difference]: With dead ends: 14063 [2023-11-29 04:02:58,096 INFO L226 Difference]: Without dead ends: 8707 [2023-11-29 04:02:58,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:02:58,103 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 123 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:02:58,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 842 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 04:02:58,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8707 states. [2023-11-29 04:02:58,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8707 to 6425. [2023-11-29 04:02:58,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6425 states, 5898 states have (on average 1.2719565954560867) internal successors, (7502), 5967 states have internal predecessors, (7502), 404 states have call successors, (404), 122 states have call predecessors, (404), 122 states have return successors, (404), 335 states have call predecessors, (404), 404 states have call successors, (404) [2023-11-29 04:02:58,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6425 states to 6425 states and 8310 transitions. [2023-11-29 04:02:58,464 INFO L78 Accepts]: Start accepts. Automaton has 6425 states and 8310 transitions. Word has length 147 [2023-11-29 04:02:58,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:02:58,465 INFO L495 AbstractCegarLoop]: Abstraction has 6425 states and 8310 transitions. [2023-11-29 04:02:58,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:02:58,465 INFO L276 IsEmpty]: Start isEmpty. Operand 6425 states and 8310 transitions. [2023-11-29 04:02:58,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:02:58,467 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:02:58,467 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:58,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2023-11-29 04:02:58,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:58,668 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:02:58,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:58,668 INFO L85 PathProgramCache]: Analyzing trace with hash -786928582, now seen corresponding path program 1 times [2023-11-29 04:02:58,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:02:58,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530241319] [2023-11-29 04:02:58,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:58,669 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:02:58,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:02:58,669 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:02:58,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2023-11-29 04:02:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:58,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 04:02:58,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:02:59,396 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:02:59,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 41 [2023-11-29 04:02:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:02:59,429 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:02:59,429 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:02:59,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530241319] [2023-11-29 04:02:59,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1530241319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:59,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:59,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 04:02:59,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738971739] [2023-11-29 04:02:59,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:59,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 04:02:59,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:02:59,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 04:02:59,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:02:59,431 INFO L87 Difference]: Start difference. First operand 6425 states and 8310 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:01,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:01,786 INFO L93 Difference]: Finished difference Result 15445 states and 19634 transitions. [2023-11-29 04:03:01,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 04:03:01,787 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2023-11-29 04:03:01,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:01,795 INFO L225 Difference]: With dead ends: 15445 [2023-11-29 04:03:01,795 INFO L226 Difference]: Without dead ends: 9465 [2023-11-29 04:03:01,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2023-11-29 04:03:01,800 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 469 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:01,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 1328 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 04:03:01,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9465 states. [2023-11-29 04:03:02,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9465 to 6783. [2023-11-29 04:03:02,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6783 states, 6256 states have (on average 1.2731777493606138) internal successors, (7965), 6325 states have internal predecessors, (7965), 404 states have call successors, (404), 122 states have call predecessors, (404), 122 states have return successors, (404), 335 states have call predecessors, (404), 404 states have call successors, (404) [2023-11-29 04:03:02,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6783 states to 6783 states and 8773 transitions. [2023-11-29 04:03:02,168 INFO L78 Accepts]: Start accepts. Automaton has 6783 states and 8773 transitions. Word has length 147 [2023-11-29 04:03:02,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:02,168 INFO L495 AbstractCegarLoop]: Abstraction has 6783 states and 8773 transitions. [2023-11-29 04:03:02,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:02,169 INFO L276 IsEmpty]: Start isEmpty. Operand 6783 states and 8773 transitions. [2023-11-29 04:03:02,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:03:02,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:02,171 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:02,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Ended with exit code 0 [2023-11-29 04:03:02,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:02,372 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:02,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:02,372 INFO L85 PathProgramCache]: Analyzing trace with hash -2042291200, now seen corresponding path program 1 times [2023-11-29 04:03:02,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:03:02,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571557044] [2023-11-29 04:03:02,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:02,373 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:02,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:03:02,374 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:03:02,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2023-11-29 04:03:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:02,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 04:03:02,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:02,973 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:02,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 98 treesize of output 44 [2023-11-29 04:03:03,026 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:03:03,026 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:03:03,026 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:03:03,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1571557044] [2023-11-29 04:03:03,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1571557044] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:03,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:03,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 04:03:03,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768532412] [2023-11-29 04:03:03,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:03,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 04:03:03,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:03:03,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 04:03:03,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:03:03,029 INFO L87 Difference]: Start difference. First operand 6783 states and 8773 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:05,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:05,061 INFO L93 Difference]: Finished difference Result 13077 states and 16914 transitions. [2023-11-29 04:03:05,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 04:03:05,062 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2023-11-29 04:03:05,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:05,069 INFO L225 Difference]: With dead ends: 13077 [2023-11-29 04:03:05,069 INFO L226 Difference]: Without dead ends: 6667 [2023-11-29 04:03:05,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2023-11-29 04:03:05,074 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 393 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:05,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 1455 Invalid, 904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 04:03:05,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6667 states. [2023-11-29 04:03:05,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6667 to 6601. [2023-11-29 04:03:05,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6601 states, 6055 states have (on average 1.2685383980181668) internal successors, (7681), 6125 states have internal predecessors, (7681), 418 states have call successors, (418), 127 states have call predecessors, (418), 127 states have return successors, (418), 348 states have call predecessors, (418), 418 states have call successors, (418) [2023-11-29 04:03:05,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6601 states to 6601 states and 8517 transitions. [2023-11-29 04:03:05,548 INFO L78 Accepts]: Start accepts. Automaton has 6601 states and 8517 transitions. Word has length 147 [2023-11-29 04:03:05,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:05,548 INFO L495 AbstractCegarLoop]: Abstraction has 6601 states and 8517 transitions. [2023-11-29 04:03:05,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:05,548 INFO L276 IsEmpty]: Start isEmpty. Operand 6601 states and 8517 transitions. [2023-11-29 04:03:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:03:05,551 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:05,551 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:05,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Ended with exit code 0 [2023-11-29 04:03:05,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:05,751 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:05,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:05,752 INFO L85 PathProgramCache]: Analyzing trace with hash 824051574, now seen corresponding path program 1 times [2023-11-29 04:03:05,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:03:05,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947920335] [2023-11-29 04:03:05,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:05,752 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:05,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:03:05,753 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:03:05,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2023-11-29 04:03:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:05,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 04:03:05,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:06,633 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:03:06,633 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:03:06,633 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:03:06,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947920335] [2023-11-29 04:03:06,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [947920335] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:06,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:06,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 04:03:06,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445019729] [2023-11-29 04:03:06,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:06,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 04:03:06,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:03:06,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 04:03:06,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:03:06,635 INFO L87 Difference]: Start difference. First operand 6601 states and 8517 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:08,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:08,759 INFO L93 Difference]: Finished difference Result 13327 states and 17104 transitions. [2023-11-29 04:03:08,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 04:03:08,760 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2023-11-29 04:03:08,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:08,766 INFO L225 Difference]: With dead ends: 13327 [2023-11-29 04:03:08,766 INFO L226 Difference]: Without dead ends: 7147 [2023-11-29 04:03:08,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2023-11-29 04:03:08,771 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 368 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 1135 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:08,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 1135 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 04:03:08,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7147 states. [2023-11-29 04:03:09,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7147 to 5739. [2023-11-29 04:03:09,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5739 states, 5280 states have (on average 1.280871212121212) internal successors, (6763), 5329 states have internal predecessors, (6763), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2023-11-29 04:03:09,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5739 states to 5739 states and 7459 transitions. [2023-11-29 04:03:09,110 INFO L78 Accepts]: Start accepts. Automaton has 5739 states and 7459 transitions. Word has length 147 [2023-11-29 04:03:09,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:09,110 INFO L495 AbstractCegarLoop]: Abstraction has 5739 states and 7459 transitions. [2023-11-29 04:03:09,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:09,111 INFO L276 IsEmpty]: Start isEmpty. Operand 5739 states and 7459 transitions. [2023-11-29 04:03:09,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:03:09,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:09,113 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:09,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Ended with exit code 0 [2023-11-29 04:03:09,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:09,313 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:09,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:09,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1945007555, now seen corresponding path program 1 times [2023-11-29 04:03:09,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:03:09,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861642761] [2023-11-29 04:03:09,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:09,314 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:09,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:03:09,315 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:03:09,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2023-11-29 04:03:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:09,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 04:03:09,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:09,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 04:03:09,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2023-11-29 04:03:09,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 04:03:09,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:03:09,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:03:09,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:09,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-29 04:03:10,095 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:10,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 48 [2023-11-29 04:03:10,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 04:03:10,391 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:10,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 30 [2023-11-29 04:03:10,436 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 377 proven. 12 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-29 04:03:10,436 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:03:10,696 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:03:10,696 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:03:10,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861642761] [2023-11-29 04:03:10,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1861642761] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:03:10,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:03:10,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2023-11-29 04:03:10,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359787114] [2023-11-29 04:03:10,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:10,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:03:10,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:03:10,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:03:10,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2023-11-29 04:03:10,697 INFO L87 Difference]: Start difference. First operand 5739 states and 7459 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:11,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:11,988 INFO L93 Difference]: Finished difference Result 11873 states and 15393 transitions. [2023-11-29 04:03:11,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 04:03:11,989 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2023-11-29 04:03:11,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:11,996 INFO L225 Difference]: With dead ends: 11873 [2023-11-29 04:03:11,996 INFO L226 Difference]: Without dead ends: 7637 [2023-11-29 04:03:12,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2023-11-29 04:03:12,001 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 266 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:12,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 733 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 04:03:12,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7637 states. [2023-11-29 04:03:12,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7637 to 5619. [2023-11-29 04:03:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5619 states, 5160 states have (on average 1.2753875968992248) internal successors, (6581), 5209 states have internal predecessors, (6581), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2023-11-29 04:03:12,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5619 states to 5619 states and 7277 transitions. [2023-11-29 04:03:12,330 INFO L78 Accepts]: Start accepts. Automaton has 5619 states and 7277 transitions. Word has length 147 [2023-11-29 04:03:12,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:12,330 INFO L495 AbstractCegarLoop]: Abstraction has 5619 states and 7277 transitions. [2023-11-29 04:03:12,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:12,331 INFO L276 IsEmpty]: Start isEmpty. Operand 5619 states and 7277 transitions. [2023-11-29 04:03:12,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:03:12,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:12,333 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:12,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Ended with exit code 0 [2023-11-29 04:03:12,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:12,533 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:12,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:12,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1840486651, now seen corresponding path program 1 times [2023-11-29 04:03:12,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:03:12,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909386423] [2023-11-29 04:03:12,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:12,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:12,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:03:12,535 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:03:12,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2023-11-29 04:03:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:12,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-29 04:03:12,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:12,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-29 04:03:12,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2023-11-29 04:03:12,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 04:03:13,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:03:13,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:03:13,452 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:13,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 36 [2023-11-29 04:03:13,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:13,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 61 [2023-11-29 04:03:13,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 04:03:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 419 proven. 12 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-11-29 04:03:14,221 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:03:14,993 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:03:14,993 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:03:14,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909386423] [2023-11-29 04:03:14,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [909386423] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:03:14,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:03:14,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2023-11-29 04:03:14,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843590506] [2023-11-29 04:03:14,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:14,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 04:03:14,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:03:14,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 04:03:14,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2023-11-29 04:03:14,995 INFO L87 Difference]: Start difference. First operand 5619 states and 7277 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:17,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:17,908 INFO L93 Difference]: Finished difference Result 14927 states and 19119 transitions. [2023-11-29 04:03:17,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 04:03:17,910 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2023-11-29 04:03:17,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:17,918 INFO L225 Difference]: With dead ends: 14927 [2023-11-29 04:03:17,918 INFO L226 Difference]: Without dead ends: 10807 [2023-11-29 04:03:17,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2023-11-29 04:03:17,923 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 575 mSDsluCounter, 1236 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 1489 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:17,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 1489 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 04:03:17,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10807 states. [2023-11-29 04:03:18,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10807 to 5651. [2023-11-29 04:03:18,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5651 states, 5192 states have (on average 1.2763867488443759) internal successors, (6627), 5241 states have internal predecessors, (6627), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2023-11-29 04:03:18,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5651 states to 5651 states and 7323 transitions. [2023-11-29 04:03:18,250 INFO L78 Accepts]: Start accepts. Automaton has 5651 states and 7323 transitions. Word has length 147 [2023-11-29 04:03:18,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:18,251 INFO L495 AbstractCegarLoop]: Abstraction has 5651 states and 7323 transitions. [2023-11-29 04:03:18,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:18,251 INFO L276 IsEmpty]: Start isEmpty. Operand 5651 states and 7323 transitions. [2023-11-29 04:03:18,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:03:18,253 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:18,253 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:18,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2023-11-29 04:03:18,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:18,454 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:18,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:18,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1997134013, now seen corresponding path program 1 times [2023-11-29 04:03:18,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:03:18,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110690329] [2023-11-29 04:03:18,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:18,455 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:18,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:03:18,456 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:03:18,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2023-11-29 04:03:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:18,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-29 04:03:18,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:18,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:03:18,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 04:03:18,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2023-11-29 04:03:18,835 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:18,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 52 [2023-11-29 04:03:19,590 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:03:19,590 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:03:19,591 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:03:19,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [110690329] [2023-11-29 04:03:19,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [110690329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:19,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:19,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 04:03:19,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266697811] [2023-11-29 04:03:19,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:19,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:03:19,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:03:19,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:03:19,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:03:19,592 INFO L87 Difference]: Start difference. First operand 5651 states and 7323 transitions. Second operand has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:22,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:22,518 INFO L93 Difference]: Finished difference Result 10819 states and 13993 transitions. [2023-11-29 04:03:22,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 04:03:22,519 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2023-11-29 04:03:22,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:22,525 INFO L225 Difference]: With dead ends: 10819 [2023-11-29 04:03:22,525 INFO L226 Difference]: Without dead ends: 6653 [2023-11-29 04:03:22,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2023-11-29 04:03:22,528 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 449 mSDsluCounter, 1421 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:22,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 1656 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 04:03:22,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6653 states. [2023-11-29 04:03:22,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6653 to 5505. [2023-11-29 04:03:22,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5505 states, 5046 states have (on average 1.2697185889813714) internal successors, (6407), 5095 states have internal predecessors, (6407), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2023-11-29 04:03:22,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5505 states to 5505 states and 7103 transitions. [2023-11-29 04:03:22,819 INFO L78 Accepts]: Start accepts. Automaton has 5505 states and 7103 transitions. Word has length 147 [2023-11-29 04:03:22,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:22,820 INFO L495 AbstractCegarLoop]: Abstraction has 5505 states and 7103 transitions. [2023-11-29 04:03:22,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:22,820 INFO L276 IsEmpty]: Start isEmpty. Operand 5505 states and 7103 transitions. [2023-11-29 04:03:22,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:03:22,822 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:22,822 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:22,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Ended with exit code 0 [2023-11-29 04:03:23,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:23,022 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:23,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:23,023 INFO L85 PathProgramCache]: Analyzing trace with hash 976065659, now seen corresponding path program 1 times [2023-11-29 04:03:23,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:03:23,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [780087757] [2023-11-29 04:03:23,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:23,023 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:23,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:03:23,024 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:03:23,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2023-11-29 04:03:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:23,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 04:03:23,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:23,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:03:23,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 04:03:23,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2023-11-29 04:03:23,374 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:23,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-29 04:03:23,715 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:23,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 27 [2023-11-29 04:03:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:03:23,811 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:03:23,811 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:03:23,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [780087757] [2023-11-29 04:03:23,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [780087757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:23,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:23,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:03:23,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819832149] [2023-11-29 04:03:23,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:23,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 04:03:23,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:03:23,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 04:03:23,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:03:23,813 INFO L87 Difference]: Start difference. First operand 5505 states and 7103 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:26,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:26,507 INFO L93 Difference]: Finished difference Result 11835 states and 15187 transitions. [2023-11-29 04:03:26,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 04:03:26,508 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2023-11-29 04:03:26,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:26,514 INFO L225 Difference]: With dead ends: 11835 [2023-11-29 04:03:26,514 INFO L226 Difference]: Without dead ends: 7815 [2023-11-29 04:03:26,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2023-11-29 04:03:26,519 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 516 mSDsluCounter, 1804 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 2081 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:26,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 2081 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 04:03:26,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7815 states. [2023-11-29 04:03:26,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7815 to 5505. [2023-11-29 04:03:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5505 states, 5046 states have (on average 1.2697185889813714) internal successors, (6407), 5095 states have internal predecessors, (6407), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2023-11-29 04:03:26,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5505 states to 5505 states and 7103 transitions. [2023-11-29 04:03:26,847 INFO L78 Accepts]: Start accepts. Automaton has 5505 states and 7103 transitions. Word has length 147 [2023-11-29 04:03:26,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:26,848 INFO L495 AbstractCegarLoop]: Abstraction has 5505 states and 7103 transitions. [2023-11-29 04:03:26,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 5505 states and 7103 transitions. [2023-11-29 04:03:26,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:03:26,850 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:26,850 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:26,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Ended with exit code 0 [2023-11-29 04:03:27,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:27,050 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:27,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:27,051 INFO L85 PathProgramCache]: Analyzing trace with hash 2019766267, now seen corresponding path program 1 times [2023-11-29 04:03:27,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:03:27,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [27861540] [2023-11-29 04:03:27,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:27,051 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:27,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:03:27,052 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:03:27,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2023-11-29 04:03:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:27,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-29 04:03:27,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:27,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:03:27,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 04:03:27,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2023-11-29 04:03:27,439 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:27,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 52 [2023-11-29 04:03:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:03:28,251 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:03:28,251 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:03:28,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [27861540] [2023-11-29 04:03:28,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [27861540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:28,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:28,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 04:03:28,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921157176] [2023-11-29 04:03:28,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:28,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:03:28,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:03:28,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:03:28,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:03:28,253 INFO L87 Difference]: Start difference. First operand 5505 states and 7103 transitions. Second operand has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:30,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:30,704 INFO L93 Difference]: Finished difference Result 10701 states and 13785 transitions. [2023-11-29 04:03:30,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 04:03:30,705 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2023-11-29 04:03:30,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:30,710 INFO L225 Difference]: With dead ends: 10701 [2023-11-29 04:03:30,710 INFO L226 Difference]: Without dead ends: 6639 [2023-11-29 04:03:30,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2023-11-29 04:03:30,714 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 561 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:30,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 1275 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 04:03:30,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6639 states. [2023-11-29 04:03:31,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6639 to 5359. [2023-11-29 04:03:31,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5359 states, 4900 states have (on average 1.260612244897959) internal successors, (6177), 4949 states have internal predecessors, (6177), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2023-11-29 04:03:31,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5359 states to 5359 states and 6873 transitions. [2023-11-29 04:03:31,020 INFO L78 Accepts]: Start accepts. Automaton has 5359 states and 6873 transitions. Word has length 147 [2023-11-29 04:03:31,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:31,021 INFO L495 AbstractCegarLoop]: Abstraction has 5359 states and 6873 transitions. [2023-11-29 04:03:31,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:31,021 INFO L276 IsEmpty]: Start isEmpty. Operand 5359 states and 6873 transitions. [2023-11-29 04:03:31,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:03:31,023 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:31,023 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:31,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2023-11-29 04:03:31,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:31,223 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:31,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:31,224 INFO L85 PathProgramCache]: Analyzing trace with hash 998697913, now seen corresponding path program 1 times [2023-11-29 04:03:31,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:03:31,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1154735602] [2023-11-29 04:03:31,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:31,224 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:31,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:03:31,225 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:03:31,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2023-11-29 04:03:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:31,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 04:03:31,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:31,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:03:31,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-29 04:03:31,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2023-11-29 04:03:31,806 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:31,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 49 [2023-11-29 04:03:32,241 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:32,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 33 [2023-11-29 04:03:32,346 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 04:03:32,346 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:03:32,346 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:03:32,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1154735602] [2023-11-29 04:03:32,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1154735602] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:32,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:32,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 04:03:32,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9718849] [2023-11-29 04:03:32,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:32,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:03:32,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:03:32,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:03:32,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:03:32,348 INFO L87 Difference]: Start difference. First operand 5359 states and 6873 transitions. Second operand has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:03:35,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:35,637 INFO L93 Difference]: Finished difference Result 11669 states and 14851 transitions. [2023-11-29 04:03:35,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 04:03:35,638 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2023-11-29 04:03:35,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:35,646 INFO L225 Difference]: With dead ends: 11669 [2023-11-29 04:03:35,646 INFO L226 Difference]: Without dead ends: 7765 [2023-11-29 04:03:35,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=219, Invalid=593, Unknown=0, NotChecked=0, Total=812 [2023-11-29 04:03:35,651 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 717 mSDsluCounter, 1578 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:35,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 1862 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 04:03:35,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7765 states. [2023-11-29 04:03:35,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7765 to 5311. [2023-11-29 04:03:35,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5311 states, 4852 states have (on average 1.2594806265457543) internal successors, (6111), 4901 states have internal predecessors, (6111), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2023-11-29 04:03:35,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5311 states to 5311 states and 6807 transitions. [2023-11-29 04:03:35,995 INFO L78 Accepts]: Start accepts. Automaton has 5311 states and 6807 transitions. Word has length 147 [2023-11-29 04:03:35,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:35,995 INFO L495 AbstractCegarLoop]: Abstraction has 5311 states and 6807 transitions. [2023-11-29 04:03:35,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:03:35,995 INFO L276 IsEmpty]: Start isEmpty. Operand 5311 states and 6807 transitions. [2023-11-29 04:03:35,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:03:35,997 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:35,997 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:36,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Ended with exit code 0 [2023-11-29 04:03:36,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:36,197 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:36,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:36,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1074918339, now seen corresponding path program 1 times [2023-11-29 04:03:36,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:03:36,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000456112] [2023-11-29 04:03:36,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:36,198 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:36,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:03:36,199 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:03:36,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2023-11-29 04:03:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:36,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 04:03:36,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:36,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:03:36,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-29 04:03:36,681 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:36,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2023-11-29 04:03:36,827 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:36,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 56 [2023-11-29 04:03:37,377 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:37,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 38 [2023-11-29 04:03:37,466 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 246 proven. 33 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2023-11-29 04:03:37,466 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:03:37,825 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:03:37,826 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:03:37,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000456112] [2023-11-29 04:03:37,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1000456112] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:03:37,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:03:37,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2023-11-29 04:03:37,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100650330] [2023-11-29 04:03:37,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:37,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:03:37,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:03:37,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:03:37,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2023-11-29 04:03:37,827 INFO L87 Difference]: Start difference. First operand 5311 states and 6807 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:39,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:39,243 INFO L93 Difference]: Finished difference Result 11763 states and 14928 transitions. [2023-11-29 04:03:39,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 04:03:39,244 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2023-11-29 04:03:39,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:39,250 INFO L225 Difference]: With dead ends: 11763 [2023-11-29 04:03:39,251 INFO L226 Difference]: Without dead ends: 7903 [2023-11-29 04:03:39,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2023-11-29 04:03:39,254 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 448 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:39,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1295 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:03:39,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7903 states. [2023-11-29 04:03:39,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7903 to 5203. [2023-11-29 04:03:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5203 states, 4744 states have (on average 1.255691399662732) internal successors, (5957), 4793 states have internal predecessors, (5957), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2023-11-29 04:03:39,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5203 states to 5203 states and 6653 transitions. [2023-11-29 04:03:39,591 INFO L78 Accepts]: Start accepts. Automaton has 5203 states and 6653 transitions. Word has length 147 [2023-11-29 04:03:39,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:39,591 INFO L495 AbstractCegarLoop]: Abstraction has 5203 states and 6653 transitions. [2023-11-29 04:03:39,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:39,591 INFO L276 IsEmpty]: Start isEmpty. Operand 5203 states and 6653 transitions. [2023-11-29 04:03:39,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:03:39,593 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:39,593 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:39,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2023-11-29 04:03:39,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:39,794 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:39,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:39,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1052286085, now seen corresponding path program 1 times [2023-11-29 04:03:39,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:03:39,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994857125] [2023-11-29 04:03:39,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:39,795 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:39,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:03:39,796 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:03:39,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2023-11-29 04:03:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:40,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 04:03:40,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:40,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:03:40,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-29 04:03:40,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2023-11-29 04:03:40,428 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:40,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 55 [2023-11-29 04:03:40,988 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:40,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 41 [2023-11-29 04:03:41,057 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 04:03:41,057 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:03:41,058 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:03:41,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994857125] [2023-11-29 04:03:41,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994857125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:41,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:41,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 04:03:41,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281930515] [2023-11-29 04:03:41,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:41,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 04:03:41,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:03:41,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 04:03:41,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:03:41,059 INFO L87 Difference]: Start difference. First operand 5203 states and 6653 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:03:44,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:44,756 INFO L93 Difference]: Finished difference Result 10819 states and 13796 transitions. [2023-11-29 04:03:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 04:03:44,758 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2023-11-29 04:03:44,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:44,763 INFO L225 Difference]: With dead ends: 10819 [2023-11-29 04:03:44,763 INFO L226 Difference]: Without dead ends: 7063 [2023-11-29 04:03:44,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:03:44,766 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 345 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:44,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 1494 Invalid, 890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-29 04:03:44,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7063 states. [2023-11-29 04:03:45,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7063 to 4857. [2023-11-29 04:03:45,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4857 states, 4398 states have (on average 1.2412460209185994) internal successors, (5459), 4447 states have internal predecessors, (5459), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2023-11-29 04:03:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4857 states to 4857 states and 6155 transitions. [2023-11-29 04:03:45,121 INFO L78 Accepts]: Start accepts. Automaton has 4857 states and 6155 transitions. Word has length 147 [2023-11-29 04:03:45,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:45,121 INFO L495 AbstractCegarLoop]: Abstraction has 4857 states and 6155 transitions. [2023-11-29 04:03:45,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:03:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand 4857 states and 6155 transitions. [2023-11-29 04:03:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:03:45,123 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:45,123 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:45,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Ended with exit code 0 [2023-11-29 04:03:45,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:45,324 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:45,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:45,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1645961870, now seen corresponding path program 1 times [2023-11-29 04:03:45,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:03:45,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [874874288] [2023-11-29 04:03:45,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:45,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:45,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:03:45,326 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:03:45,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2023-11-29 04:03:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:45,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:03:45,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:45,584 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-29 04:03:45,584 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:03:45,585 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:03:45,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [874874288] [2023-11-29 04:03:45,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [874874288] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:45,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:45,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:03:45,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834044106] [2023-11-29 04:03:45,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:45,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:03:45,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:03:45,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:03:45,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:03:45,586 INFO L87 Difference]: Start difference. First operand 4857 states and 6155 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-29 04:03:46,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:46,098 INFO L93 Difference]: Finished difference Result 9698 states and 12262 transitions. [2023-11-29 04:03:46,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:03:46,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 147 [2023-11-29 04:03:46,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:46,104 INFO L225 Difference]: With dead ends: 9698 [2023-11-29 04:03:46,104 INFO L226 Difference]: Without dead ends: 4985 [2023-11-29 04:03:46,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:03:46,109 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 7 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:46,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 587 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:03:46,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4985 states. [2023-11-29 04:03:46,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4985 to 4857. [2023-11-29 04:03:46,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4857 states, 4398 states have (on average 1.2385175079581627) internal successors, (5447), 4447 states have internal predecessors, (5447), 348 states have call successors, (348), 110 states have call predecessors, (348), 110 states have return successors, (348), 299 states have call predecessors, (348), 348 states have call successors, (348) [2023-11-29 04:03:46,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4857 states to 4857 states and 6143 transitions. [2023-11-29 04:03:46,466 INFO L78 Accepts]: Start accepts. Automaton has 4857 states and 6143 transitions. Word has length 147 [2023-11-29 04:03:46,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:46,467 INFO L495 AbstractCegarLoop]: Abstraction has 4857 states and 6143 transitions. [2023-11-29 04:03:46,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-29 04:03:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 4857 states and 6143 transitions. [2023-11-29 04:03:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:03:46,468 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:46,469 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:46,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Ended with exit code 0 [2023-11-29 04:03:46,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:46,673 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:46,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:46,673 INFO L85 PathProgramCache]: Analyzing trace with hash -806529712, now seen corresponding path program 1 times [2023-11-29 04:03:46,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:03:46,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [48201298] [2023-11-29 04:03:46,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:46,674 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:46,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:03:46,675 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:03:46,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2023-11-29 04:03:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:47,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 04:03:47,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:47,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 04:03:47,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 59 [2023-11-29 04:03:48,170 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:48,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 201 treesize of output 75 [2023-11-29 04:03:48,232 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 12 proven. 244 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-29 04:03:48,232 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:03:48,439 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:03:48,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [48201298] [2023-11-29 04:03:48,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [48201298] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:03:48,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [122434604] [2023-11-29 04:03:48,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:48,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 04:03:48,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 04:03:48,441 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 04:03:48,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-11-29 04:03:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:49,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 04:03:49,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:49,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 04:03:50,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 57 [2023-11-29 04:03:51,137 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:51,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 171 treesize of output 75 [2023-11-29 04:03:51,155 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 12 proven. 244 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-29 04:03:51,155 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:03:51,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [122434604] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:03:51,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:03:51,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2023-11-29 04:03:51,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054680331] [2023-11-29 04:03:51,339 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:03:51,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 04:03:51,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:03:51,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 04:03:51,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2023-11-29 04:03:51,341 INFO L87 Difference]: Start difference. First operand 4857 states and 6143 transitions. Second operand has 22 states, 20 states have (on average 6.85) internal successors, (137), 19 states have internal predecessors, (137), 6 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2023-11-29 04:03:53,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:53,393 INFO L93 Difference]: Finished difference Result 9542 states and 12011 transitions. [2023-11-29 04:03:53,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 04:03:53,393 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 6.85) internal successors, (137), 19 states have internal predecessors, (137), 6 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) Word has length 147 [2023-11-29 04:03:53,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:53,398 INFO L225 Difference]: With dead ends: 9542 [2023-11-29 04:03:53,398 INFO L226 Difference]: Without dead ends: 4990 [2023-11-29 04:03:53,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 348 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=334, Invalid=1226, Unknown=0, NotChecked=0, Total=1560 [2023-11-29 04:03:53,402 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 348 mSDsluCounter, 1483 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 1624 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:53,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 1624 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 04:03:53,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4990 states. [2023-11-29 04:03:53,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4990 to 2545. [2023-11-29 04:03:53,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 2286 states have (on average 1.2287839020122484) internal successors, (2809), 2309 states have internal predecessors, (2809), 188 states have call successors, (188), 70 states have call predecessors, (188), 70 states have return successors, (188), 165 states have call predecessors, (188), 188 states have call successors, (188) [2023-11-29 04:03:53,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 3185 transitions. [2023-11-29 04:03:53,638 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 3185 transitions. Word has length 147 [2023-11-29 04:03:53,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:53,638 INFO L495 AbstractCegarLoop]: Abstraction has 2545 states and 3185 transitions. [2023-11-29 04:03:53,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 6.85) internal successors, (137), 19 states have internal predecessors, (137), 6 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2023-11-29 04:03:53,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 3185 transitions. [2023-11-29 04:03:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 04:03:53,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:53,639 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:53,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-11-29 04:03:53,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Ended with exit code 0 [2023-11-29 04:03:54,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:54,040 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:54,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:54,041 INFO L85 PathProgramCache]: Analyzing trace with hash 977606396, now seen corresponding path program 1 times [2023-11-29 04:03:54,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:03:54,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1870791582] [2023-11-29 04:03:54,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:54,042 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:54,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:03:54,043 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:03:54,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2023-11-29 04:03:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:54,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:03:54,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:54,330 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:03:54,331 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:03:54,331 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:03:54,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1870791582] [2023-11-29 04:03:54,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1870791582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:54,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:54,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:03:54,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280994257] [2023-11-29 04:03:54,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:54,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:03:54,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:03:54,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:03:54,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:03:54,332 INFO L87 Difference]: Start difference. First operand 2545 states and 3185 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:54,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:54,596 INFO L93 Difference]: Finished difference Result 4307 states and 5419 transitions. [2023-11-29 04:03:54,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:03:54,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2023-11-29 04:03:54,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:54,599 INFO L225 Difference]: With dead ends: 4307 [2023-11-29 04:03:54,599 INFO L226 Difference]: Without dead ends: 2499 [2023-11-29 04:03:54,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:03:54,600 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:54,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 282 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:03:54,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2499 states. [2023-11-29 04:03:54,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2499 to 2496. [2023-11-29 04:03:54,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 2237 states have (on average 1.223066607063031) internal successors, (2736), 2260 states have internal predecessors, (2736), 188 states have call successors, (188), 70 states have call predecessors, (188), 70 states have return successors, (188), 165 states have call predecessors, (188), 188 states have call successors, (188) [2023-11-29 04:03:54,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 3112 transitions. [2023-11-29 04:03:54,818 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 3112 transitions. Word has length 148 [2023-11-29 04:03:54,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:54,819 INFO L495 AbstractCegarLoop]: Abstraction has 2496 states and 3112 transitions. [2023-11-29 04:03:54,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:54,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 3112 transitions. [2023-11-29 04:03:54,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 04:03:54,820 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:54,820 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:54,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Ended with exit code 0 [2023-11-29 04:03:55,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:55,021 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:55,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:55,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1356257277, now seen corresponding path program 1 times [2023-11-29 04:03:55,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:03:55,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44352187] [2023-11-29 04:03:55,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:55,022 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:55,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:03:55,023 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:03:55,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2023-11-29 04:03:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:55,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 04:03:55,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:55,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:03:55,366 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:55,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 31 [2023-11-29 04:03:55,500 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:55,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 18 [2023-11-29 04:03:55,578 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:03:55,578 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:03:55,578 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:03:55,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44352187] [2023-11-29 04:03:55,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44352187] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:55,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:55,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 04:03:55,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861989739] [2023-11-29 04:03:55,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:55,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 04:03:55,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:03:55,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 04:03:55,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:03:55,580 INFO L87 Difference]: Start difference. First operand 2496 states and 3112 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:56,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:56,817 INFO L93 Difference]: Finished difference Result 5940 states and 7353 transitions. [2023-11-29 04:03:56,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 04:03:56,818 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2023-11-29 04:03:56,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:56,821 INFO L225 Difference]: With dead ends: 5940 [2023-11-29 04:03:56,821 INFO L226 Difference]: Without dead ends: 3607 [2023-11-29 04:03:56,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2023-11-29 04:03:56,823 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 216 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 1487 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:56,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 1487 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 04:03:56,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3607 states. [2023-11-29 04:03:57,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3607 to 3220. [2023-11-29 04:03:57,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3220 states, 2909 states have (on average 1.222413200412513) internal successors, (3556), 2939 states have internal predecessors, (3556), 224 states have call successors, (224), 86 states have call predecessors, (224), 86 states have return successors, (224), 194 states have call predecessors, (224), 224 states have call successors, (224) [2023-11-29 04:03:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 3220 states and 4004 transitions. [2023-11-29 04:03:57,095 INFO L78 Accepts]: Start accepts. Automaton has 3220 states and 4004 transitions. Word has length 149 [2023-11-29 04:03:57,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:57,095 INFO L495 AbstractCegarLoop]: Abstraction has 3220 states and 4004 transitions. [2023-11-29 04:03:57,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:57,096 INFO L276 IsEmpty]: Start isEmpty. Operand 3220 states and 4004 transitions. [2023-11-29 04:03:57,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 04:03:57,097 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:57,097 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:57,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Forceful destruction successful, exit code 0 [2023-11-29 04:03:57,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:57,297 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:57,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:57,298 INFO L85 PathProgramCache]: Analyzing trace with hash 345140027, now seen corresponding path program 1 times [2023-11-29 04:03:57,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:03:57,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384782755] [2023-11-29 04:03:57,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:57,298 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:57,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:03:57,299 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:03:57,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Waiting until timeout for monitored process [2023-11-29 04:03:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:57,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 04:03:57,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:57,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 04:03:57,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 14 [2023-11-29 04:03:57,934 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:57,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 26 [2023-11-29 04:03:58,262 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:58,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 26 [2023-11-29 04:03:58,375 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:03:58,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 16 [2023-11-29 04:03:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 24 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2023-11-29 04:03:58,415 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:03:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:03:58,648 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:03:58,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384782755] [2023-11-29 04:03:58,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1384782755] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:03:58,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:03:58,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 20 [2023-11-29 04:03:58,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287011085] [2023-11-29 04:03:58,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:58,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:03:58,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:03:58,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:03:58,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:03:58,650 INFO L87 Difference]: Start difference. First operand 3220 states and 4004 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:59,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:59,146 INFO L93 Difference]: Finished difference Result 6814 states and 8407 transitions. [2023-11-29 04:03:59,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:03:59,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2023-11-29 04:03:59,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:59,150 INFO L225 Difference]: With dead ends: 6814 [2023-11-29 04:03:59,150 INFO L226 Difference]: Without dead ends: 3772 [2023-11-29 04:03:59,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2023-11-29 04:03:59,153 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 120 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:59,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 761 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:03:59,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3772 states. [2023-11-29 04:03:59,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3772 to 3202. [2023-11-29 04:03:59,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3202 states, 2891 states have (on average 1.2203389830508475) internal successors, (3528), 2921 states have internal predecessors, (3528), 224 states have call successors, (224), 86 states have call predecessors, (224), 86 states have return successors, (224), 194 states have call predecessors, (224), 224 states have call successors, (224) [2023-11-29 04:03:59,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 3202 states and 3976 transitions. [2023-11-29 04:03:59,428 INFO L78 Accepts]: Start accepts. Automaton has 3202 states and 3976 transitions. Word has length 149 [2023-11-29 04:03:59,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:59,429 INFO L495 AbstractCegarLoop]: Abstraction has 3202 states and 3976 transitions. [2023-11-29 04:03:59,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:03:59,429 INFO L276 IsEmpty]: Start isEmpty. Operand 3202 states and 3976 transitions. [2023-11-29 04:03:59,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 04:03:59,430 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:59,430 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:59,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Ended with exit code 0 [2023-11-29 04:03:59,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:59,631 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:59,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:59,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1552506625, now seen corresponding path program 1 times [2023-11-29 04:03:59,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:03:59,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202172105] [2023-11-29 04:03:59,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:59,632 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:03:59,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:03:59,633 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:03:59,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Waiting until timeout for monitored process [2023-11-29 04:03:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:59,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 04:03:59,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:59,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 04:04:00,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 14 [2023-11-29 04:04:00,253 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:00,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 26 [2023-11-29 04:04:00,573 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:00,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 27 [2023-11-29 04:04:00,698 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:00,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 17 [2023-11-29 04:04:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 24 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2023-11-29 04:04:00,736 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:04:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:04:00,973 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:00,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202172105] [2023-11-29 04:04:00,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1202172105] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:04:00,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:04:00,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 20 [2023-11-29 04:04:00,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840112274] [2023-11-29 04:04:00,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:00,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:04:00,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:00,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:04:00,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:04:00,975 INFO L87 Difference]: Start difference. First operand 3202 states and 3976 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:01,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:01,433 INFO L93 Difference]: Finished difference Result 6572 states and 8117 transitions. [2023-11-29 04:04:01,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:04:01,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2023-11-29 04:04:01,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:01,437 INFO L225 Difference]: With dead ends: 6572 [2023-11-29 04:04:01,437 INFO L226 Difference]: Without dead ends: 3548 [2023-11-29 04:04:01,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2023-11-29 04:04:01,439 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 212 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:01,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 523 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:04:01,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3548 states. [2023-11-29 04:04:01,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3548 to 2750. [2023-11-29 04:04:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2750 states, 2525 states have (on average 1.2348514851485148) internal successors, (3118), 2545 states have internal predecessors, (3118), 162 states have call successors, (162), 62 states have call predecessors, (162), 62 states have return successors, (162), 142 states have call predecessors, (162), 162 states have call successors, (162) [2023-11-29 04:04:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2750 states to 2750 states and 3442 transitions. [2023-11-29 04:04:01,650 INFO L78 Accepts]: Start accepts. Automaton has 2750 states and 3442 transitions. Word has length 149 [2023-11-29 04:04:01,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:01,651 INFO L495 AbstractCegarLoop]: Abstraction has 2750 states and 3442 transitions. [2023-11-29 04:04:01,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:01,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2750 states and 3442 transitions. [2023-11-29 04:04:01,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 04:04:01,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:01,652 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:01,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Ended with exit code 0 [2023-11-29 04:04:01,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:01,853 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:01,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:01,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1731343421, now seen corresponding path program 1 times [2023-11-29 04:04:01,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:01,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [402618540] [2023-11-29 04:04:01,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:01,854 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:01,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:01,855 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:01,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2023-11-29 04:04:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:02,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 04:04:02,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:02,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 04:04:02,208 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:02,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2023-11-29 04:04:02,374 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:02,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 18 [2023-11-29 04:04:02,477 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:04:02,477 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:04:02,477 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:02,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [402618540] [2023-11-29 04:04:02,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [402618540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:02,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:02,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 04:04:02,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709152538] [2023-11-29 04:04:02,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:02,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 04:04:02,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:02,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 04:04:02,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:04:02,479 INFO L87 Difference]: Start difference. First operand 2750 states and 3442 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:04,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:04,083 INFO L93 Difference]: Finished difference Result 5884 states and 7314 transitions. [2023-11-29 04:04:04,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 04:04:04,084 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2023-11-29 04:04:04,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:04,087 INFO L225 Difference]: With dead ends: 5884 [2023-11-29 04:04:04,087 INFO L226 Difference]: Without dead ends: 3316 [2023-11-29 04:04:04,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2023-11-29 04:04:04,089 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 186 mSDsluCounter, 1288 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 1533 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:04,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 1533 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 04:04:04,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3316 states. [2023-11-29 04:04:04,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3316 to 3090. [2023-11-29 04:04:04,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3090 states, 2807 states have (on average 1.2219451371571073) internal successors, (3430), 2834 states have internal predecessors, (3430), 202 states have call successors, (202), 80 states have call predecessors, (202), 80 states have return successors, (202), 175 states have call predecessors, (202), 202 states have call successors, (202) [2023-11-29 04:04:04,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 3090 states and 3834 transitions. [2023-11-29 04:04:04,374 INFO L78 Accepts]: Start accepts. Automaton has 3090 states and 3834 transitions. Word has length 149 [2023-11-29 04:04:04,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:04,374 INFO L495 AbstractCegarLoop]: Abstraction has 3090 states and 3834 transitions. [2023-11-29 04:04:04,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:04,374 INFO L276 IsEmpty]: Start isEmpty. Operand 3090 states and 3834 transitions. [2023-11-29 04:04:04,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 04:04:04,375 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:04,375 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:04,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Ended with exit code 0 [2023-11-29 04:04:04,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:04,576 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:04,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:04,576 INFO L85 PathProgramCache]: Analyzing trace with hash -252482207, now seen corresponding path program 1 times [2023-11-29 04:04:04,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:04,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537365510] [2023-11-29 04:04:04,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:04,577 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:04,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:04,577 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:04,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2023-11-29 04:04:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:04,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 04:04:04,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:05,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2023-11-29 04:04:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 178 proven. 39 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2023-11-29 04:04:05,241 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:04:05,370 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:04:05,371 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:05,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537365510] [2023-11-29 04:04:05,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1537365510] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:04:05,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:04:05,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-29 04:04:05,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913828743] [2023-11-29 04:04:05,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:05,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:04:05,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:05,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:04:05,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:04:05,372 INFO L87 Difference]: Start difference. First operand 3090 states and 3834 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:05,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:05,781 INFO L93 Difference]: Finished difference Result 6246 states and 7702 transitions. [2023-11-29 04:04:05,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:04:05,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2023-11-29 04:04:05,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:05,785 INFO L225 Difference]: With dead ends: 6246 [2023-11-29 04:04:05,785 INFO L226 Difference]: Without dead ends: 3821 [2023-11-29 04:04:05,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:04:05,787 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 141 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:05,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 666 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:04:05,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3821 states. [2023-11-29 04:04:06,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3821 to 3090. [2023-11-29 04:04:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3090 states, 2807 states have (on average 1.2151763448521553) internal successors, (3411), 2834 states have internal predecessors, (3411), 202 states have call successors, (202), 80 states have call predecessors, (202), 80 states have return successors, (202), 175 states have call predecessors, (202), 202 states have call successors, (202) [2023-11-29 04:04:06,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 3090 states and 3815 transitions. [2023-11-29 04:04:06,057 INFO L78 Accepts]: Start accepts. Automaton has 3090 states and 3815 transitions. Word has length 150 [2023-11-29 04:04:06,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:06,057 INFO L495 AbstractCegarLoop]: Abstraction has 3090 states and 3815 transitions. [2023-11-29 04:04:06,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:06,057 INFO L276 IsEmpty]: Start isEmpty. Operand 3090 states and 3815 transitions. [2023-11-29 04:04:06,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 04:04:06,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:06,059 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:06,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Ended with exit code 0 [2023-11-29 04:04:06,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:06,259 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:06,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:06,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1288730616, now seen corresponding path program 1 times [2023-11-29 04:04:06,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:06,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1688855198] [2023-11-29 04:04:06,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:06,260 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:06,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:06,261 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:06,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2023-11-29 04:04:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:06,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 04:04:06,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:04:07,357 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:04:07,357 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:07,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1688855198] [2023-11-29 04:04:07,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1688855198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:07,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:07,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-29 04:04:07,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418580687] [2023-11-29 04:04:07,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:07,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 04:04:07,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:07,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 04:04:07,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2023-11-29 04:04:07,359 INFO L87 Difference]: Start difference. First operand 3090 states and 3815 transitions. Second operand has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:11,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:11,480 INFO L93 Difference]: Finished difference Result 6821 states and 8339 transitions. [2023-11-29 04:04:11,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 04:04:11,481 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2023-11-29 04:04:11,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:11,484 INFO L225 Difference]: With dead ends: 6821 [2023-11-29 04:04:11,484 INFO L226 Difference]: Without dead ends: 4396 [2023-11-29 04:04:11,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=383, Invalid=1023, Unknown=0, NotChecked=0, Total=1406 [2023-11-29 04:04:11,487 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 691 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 1487 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:11,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 1487 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 04:04:11,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4396 states. [2023-11-29 04:04:11,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4396 to 3449. [2023-11-29 04:04:11,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3449 states, 3126 states have (on average 1.2140115163147793) internal successors, (3795), 3158 states have internal predecessors, (3795), 231 states have call successors, (231), 91 states have call predecessors, (231), 91 states have return successors, (231), 199 states have call predecessors, (231), 231 states have call successors, (231) [2023-11-29 04:04:11,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 3449 states and 4257 transitions. [2023-11-29 04:04:11,807 INFO L78 Accepts]: Start accepts. Automaton has 3449 states and 4257 transitions. Word has length 152 [2023-11-29 04:04:11,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:11,807 INFO L495 AbstractCegarLoop]: Abstraction has 3449 states and 4257 transitions. [2023-11-29 04:04:11,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:11,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 4257 transitions. [2023-11-29 04:04:11,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 04:04:11,809 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:11,809 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:11,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Forceful destruction successful, exit code 0 [2023-11-29 04:04:12,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:12,009 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:12,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:12,010 INFO L85 PathProgramCache]: Analyzing trace with hash 699379089, now seen corresponding path program 1 times [2023-11-29 04:04:12,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:12,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [887502039] [2023-11-29 04:04:12,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:12,010 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:12,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:12,011 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:12,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Waiting until timeout for monitored process [2023-11-29 04:04:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:12,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 04:04:12,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:12,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 04:04:12,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:04:12,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-29 04:04:12,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 04:04:12,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-11-29 04:04:12,609 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 232 proven. 12 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-29 04:04:12,609 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:04:12,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-29 04:04:12,857 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:12,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [887502039] [2023-11-29 04:04:12,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [887502039] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:04:12,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [810472663] [2023-11-29 04:04:12,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:12,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 04:04:12,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 04:04:12,858 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 04:04:12,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-11-29 04:04:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:13,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 04:04:13,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:13,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 04:04:13,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 04:04:13,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 04:04:13,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 04:04:14,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-11-29 04:04:14,180 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 232 proven. 12 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-29 04:04:14,180 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:04:14,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-29 04:04:14,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [810472663] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:04:14,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:04:14,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2023-11-29 04:04:14,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809642667] [2023-11-29 04:04:14,375 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:04:14,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 04:04:14,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:14,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 04:04:14,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-11-29 04:04:14,376 INFO L87 Difference]: Start difference. First operand 3449 states and 4257 transitions. Second operand has 15 states, 13 states have (on average 9.076923076923077) internal successors, (118), 15 states have internal predecessors, (118), 6 states have call successors, (34), 4 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2023-11-29 04:04:16,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:16,804 INFO L93 Difference]: Finished difference Result 9134 states and 11150 transitions. [2023-11-29 04:04:16,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 04:04:16,805 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 9.076923076923077) internal successors, (118), 15 states have internal predecessors, (118), 6 states have call successors, (34), 4 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) Word has length 152 [2023-11-29 04:04:16,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:16,811 INFO L225 Difference]: With dead ends: 9134 [2023-11-29 04:04:16,811 INFO L226 Difference]: Without dead ends: 6346 [2023-11-29 04:04:16,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 378 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=235, Invalid=955, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 04:04:16,814 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 356 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:16,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 957 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 04:04:16,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6346 states. [2023-11-29 04:04:17,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6346 to 3688. [2023-11-29 04:04:17,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3688 states, 3455 states have (on average 1.2503617945007235) internal successors, (4320), 3474 states have internal predecessors, (4320), 166 states have call successors, (166), 66 states have call predecessors, (166), 66 states have return successors, (166), 147 states have call predecessors, (166), 166 states have call successors, (166) [2023-11-29 04:04:17,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3688 states to 3688 states and 4652 transitions. [2023-11-29 04:04:17,148 INFO L78 Accepts]: Start accepts. Automaton has 3688 states and 4652 transitions. Word has length 152 [2023-11-29 04:04:17,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:17,148 INFO L495 AbstractCegarLoop]: Abstraction has 3688 states and 4652 transitions. [2023-11-29 04:04:17,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 9.076923076923077) internal successors, (118), 15 states have internal predecessors, (118), 6 states have call successors, (34), 4 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2023-11-29 04:04:17,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3688 states and 4652 transitions. [2023-11-29 04:04:17,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 04:04:17,150 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:17,150 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:17,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-11-29 04:04:17,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Forceful destruction successful, exit code 0 [2023-11-29 04:04:17,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:17,551 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:17,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:17,551 INFO L85 PathProgramCache]: Analyzing trace with hash 957544527, now seen corresponding path program 1 times [2023-11-29 04:04:17,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:17,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [658540511] [2023-11-29 04:04:17,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:17,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:17,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:17,553 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:17,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (59)] Waiting until timeout for monitored process [2023-11-29 04:04:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:17,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 04:04:17,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:17,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 04:04:18,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 14 [2023-11-29 04:04:18,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 14 [2023-11-29 04:04:18,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 26 [2023-11-29 04:04:18,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2023-11-29 04:04:18,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 04:04:18,509 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 265 proven. 24 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2023-11-29 04:04:18,509 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:04:18,742 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:04:18,742 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:18,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [658540511] [2023-11-29 04:04:18,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [658540511] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:04:18,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:04:18,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2023-11-29 04:04:18,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070593941] [2023-11-29 04:04:18,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:18,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:04:18,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:18,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:04:18,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2023-11-29 04:04:18,744 INFO L87 Difference]: Start difference. First operand 3688 states and 4652 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:19,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:19,558 INFO L93 Difference]: Finished difference Result 7702 states and 9712 transitions. [2023-11-29 04:04:19,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:04:19,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2023-11-29 04:04:19,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:19,563 INFO L225 Difference]: With dead ends: 7702 [2023-11-29 04:04:19,563 INFO L226 Difference]: Without dead ends: 4710 [2023-11-29 04:04:19,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2023-11-29 04:04:19,565 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 163 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:19,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 488 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 04:04:19,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4710 states. [2023-11-29 04:04:19,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4710 to 4008. [2023-11-29 04:04:19,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4008 states, 3775 states have (on average 1.258543046357616) internal successors, (4751), 3794 states have internal predecessors, (4751), 166 states have call successors, (166), 66 states have call predecessors, (166), 66 states have return successors, (166), 147 states have call predecessors, (166), 166 states have call successors, (166) [2023-11-29 04:04:19,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4008 states to 4008 states and 5083 transitions. [2023-11-29 04:04:19,863 INFO L78 Accepts]: Start accepts. Automaton has 4008 states and 5083 transitions. Word has length 152 [2023-11-29 04:04:19,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:19,863 INFO L495 AbstractCegarLoop]: Abstraction has 4008 states and 5083 transitions. [2023-11-29 04:04:19,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand 4008 states and 5083 transitions. [2023-11-29 04:04:19,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 04:04:19,865 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:19,865 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:19,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (59)] Ended with exit code 0 [2023-11-29 04:04:20,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:20,066 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:20,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:20,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1710401482, now seen corresponding path program 1 times [2023-11-29 04:04:20,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:20,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1809758993] [2023-11-29 04:04:20,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:20,067 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:20,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:20,067 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:20,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Waiting until timeout for monitored process [2023-11-29 04:04:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:20,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 04:04:20,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:20,552 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:20,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 39 [2023-11-29 04:04:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:04:20,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:04:20,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:20,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1809758993] [2023-11-29 04:04:20,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1809758993] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:20,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:20,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 04:04:20,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963093720] [2023-11-29 04:04:20,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:20,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 04:04:20,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:20,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 04:04:20,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:04:20,614 INFO L87 Difference]: Start difference. First operand 4008 states and 5083 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:22,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:22,310 INFO L93 Difference]: Finished difference Result 8356 states and 10524 transitions. [2023-11-29 04:04:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 04:04:22,310 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2023-11-29 04:04:22,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:22,313 INFO L225 Difference]: With dead ends: 8356 [2023-11-29 04:04:22,313 INFO L226 Difference]: Without dead ends: 4181 [2023-11-29 04:04:22,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2023-11-29 04:04:22,316 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 145 mSDsluCounter, 1056 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1230 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:22,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1230 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 04:04:22,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4181 states. [2023-11-29 04:04:22,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4181 to 3329. [2023-11-29 04:04:22,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3329 states, 3096 states have (on average 1.2361111111111112) internal successors, (3827), 3115 states have internal predecessors, (3827), 166 states have call successors, (166), 66 states have call predecessors, (166), 66 states have return successors, (166), 147 states have call predecessors, (166), 166 states have call successors, (166) [2023-11-29 04:04:22,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 3329 states and 4159 transitions. [2023-11-29 04:04:22,611 INFO L78 Accepts]: Start accepts. Automaton has 3329 states and 4159 transitions. Word has length 152 [2023-11-29 04:04:22,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:22,611 INFO L495 AbstractCegarLoop]: Abstraction has 3329 states and 4159 transitions. [2023-11-29 04:04:22,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:22,611 INFO L276 IsEmpty]: Start isEmpty. Operand 3329 states and 4159 transitions. [2023-11-29 04:04:22,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 04:04:22,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:22,613 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:22,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Ended with exit code 0 [2023-11-29 04:04:22,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:22,814 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:22,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:22,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1932892412, now seen corresponding path program 1 times [2023-11-29 04:04:22,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:22,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1703028899] [2023-11-29 04:04:22,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:22,814 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:22,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:22,815 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:22,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (61)] Waiting until timeout for monitored process [2023-11-29 04:04:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:23,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:04:23,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:23,164 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:23,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 29 [2023-11-29 04:04:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:04:23,175 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:04:23,176 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:23,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1703028899] [2023-11-29 04:04:23,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1703028899] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:23,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:23,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:04:23,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936503743] [2023-11-29 04:04:23,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:23,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:04:23,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:23,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:04:23,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:04:23,177 INFO L87 Difference]: Start difference. First operand 3329 states and 4159 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:24,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:24,058 INFO L93 Difference]: Finished difference Result 8961 states and 10974 transitions. [2023-11-29 04:04:24,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 04:04:24,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2023-11-29 04:04:24,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:24,063 INFO L225 Difference]: With dead ends: 8961 [2023-11-29 04:04:24,063 INFO L226 Difference]: Without dead ends: 5720 [2023-11-29 04:04:24,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:04:24,066 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 207 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:24,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 696 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 04:04:24,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5720 states. [2023-11-29 04:04:24,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5720 to 3434. [2023-11-29 04:04:24,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3434 states, 3187 states have (on average 1.2303106369626609) internal successors, (3921), 3208 states have internal predecessors, (3921), 176 states have call successors, (176), 70 states have call predecessors, (176), 70 states have return successors, (176), 155 states have call predecessors, (176), 176 states have call successors, (176) [2023-11-29 04:04:24,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 3434 states and 4273 transitions. [2023-11-29 04:04:24,399 INFO L78 Accepts]: Start accepts. Automaton has 3434 states and 4273 transitions. Word has length 152 [2023-11-29 04:04:24,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:24,399 INFO L495 AbstractCegarLoop]: Abstraction has 3434 states and 4273 transitions. [2023-11-29 04:04:24,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:24,399 INFO L276 IsEmpty]: Start isEmpty. Operand 3434 states and 4273 transitions. [2023-11-29 04:04:24,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 04:04:24,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:24,400 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:24,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (61)] Ended with exit code 0 [2023-11-29 04:04:24,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:24,601 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:24,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:24,601 INFO L85 PathProgramCache]: Analyzing trace with hash 773726982, now seen corresponding path program 1 times [2023-11-29 04:04:24,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:24,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769220905] [2023-11-29 04:04:24,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:24,602 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:24,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:24,603 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:24,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Waiting until timeout for monitored process [2023-11-29 04:04:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:24,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 04:04:24,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:25,619 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:04:25,619 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:04:25,620 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:25,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1769220905] [2023-11-29 04:04:25,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1769220905] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:25,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:25,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-29 04:04:25,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830583906] [2023-11-29 04:04:25,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:25,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 04:04:25,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:25,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 04:04:25,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-11-29 04:04:25,621 INFO L87 Difference]: Start difference. First operand 3434 states and 4273 transitions. Second operand has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:29,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:29,534 INFO L93 Difference]: Finished difference Result 8350 states and 10156 transitions. [2023-11-29 04:04:29,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-29 04:04:29,535 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2023-11-29 04:04:29,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:29,539 INFO L225 Difference]: With dead ends: 8350 [2023-11-29 04:04:29,539 INFO L226 Difference]: Without dead ends: 5586 [2023-11-29 04:04:29,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=437, Invalid=1285, Unknown=0, NotChecked=0, Total=1722 [2023-11-29 04:04:29,542 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 602 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 1424 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:29,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 1424 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 04:04:29,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5586 states. [2023-11-29 04:04:29,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5586 to 3543. [2023-11-29 04:04:29,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3543 states, 3296 states have (on average 1.229368932038835) internal successors, (4052), 3317 states have internal predecessors, (4052), 176 states have call successors, (176), 70 states have call predecessors, (176), 70 states have return successors, (176), 155 states have call predecessors, (176), 176 states have call successors, (176) [2023-11-29 04:04:29,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3543 states to 3543 states and 4404 transitions. [2023-11-29 04:04:29,880 INFO L78 Accepts]: Start accepts. Automaton has 3543 states and 4404 transitions. Word has length 152 [2023-11-29 04:04:29,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:29,881 INFO L495 AbstractCegarLoop]: Abstraction has 3543 states and 4404 transitions. [2023-11-29 04:04:29,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:29,881 INFO L276 IsEmpty]: Start isEmpty. Operand 3543 states and 4404 transitions. [2023-11-29 04:04:29,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 04:04:29,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:29,882 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:29,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Forceful destruction successful, exit code 0 [2023-11-29 04:04:30,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:30,082 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:30,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:30,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1022131652, now seen corresponding path program 1 times [2023-11-29 04:04:30,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:30,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840220806] [2023-11-29 04:04:30,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:30,083 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:30,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:30,084 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:30,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (63)] Waiting until timeout for monitored process [2023-11-29 04:04:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:30,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 04:04:30,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:30,620 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:30,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 31 [2023-11-29 04:04:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:04:30,629 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:04:30,630 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:30,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840220806] [2023-11-29 04:04:30,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840220806] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:30,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:30,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:04:30,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544111842] [2023-11-29 04:04:30,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:30,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:04:30,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:30,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:04:30,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:04:30,631 INFO L87 Difference]: Start difference. First operand 3543 states and 4404 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:31,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:31,929 INFO L93 Difference]: Finished difference Result 7445 states and 9196 transitions. [2023-11-29 04:04:31,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:04:31,930 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2023-11-29 04:04:31,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:31,934 INFO L225 Difference]: With dead ends: 7445 [2023-11-29 04:04:31,934 INFO L226 Difference]: Without dead ends: 4015 [2023-11-29 04:04:31,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:04:31,937 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 115 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:31,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 895 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 04:04:31,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4015 states. [2023-11-29 04:04:32,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4015 to 3379. [2023-11-29 04:04:32,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3379 states, 3132 states have (on average 1.2247765006385696) internal successors, (3836), 3153 states have internal predecessors, (3836), 176 states have call successors, (176), 70 states have call predecessors, (176), 70 states have return successors, (176), 155 states have call predecessors, (176), 176 states have call successors, (176) [2023-11-29 04:04:32,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3379 states to 3379 states and 4188 transitions. [2023-11-29 04:04:32,278 INFO L78 Accepts]: Start accepts. Automaton has 3379 states and 4188 transitions. Word has length 152 [2023-11-29 04:04:32,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:32,278 INFO L495 AbstractCegarLoop]: Abstraction has 3379 states and 4188 transitions. [2023-11-29 04:04:32,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:32,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3379 states and 4188 transitions. [2023-11-29 04:04:32,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-29 04:04:32,279 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:32,279 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:32,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (63)] Ended with exit code 0 [2023-11-29 04:04:32,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:32,479 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:32,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:32,480 INFO L85 PathProgramCache]: Analyzing trace with hash -227147857, now seen corresponding path program 1 times [2023-11-29 04:04:32,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:32,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752916825] [2023-11-29 04:04:32,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:32,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:32,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:32,481 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:32,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Waiting until timeout for monitored process [2023-11-29 04:04:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:32,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 04:04:32,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:33,990 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:04:33,990 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:04:33,990 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:33,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752916825] [2023-11-29 04:04:33,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1752916825] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:33,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:33,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-29 04:04:33,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797545503] [2023-11-29 04:04:33,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:33,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 04:04:33,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:33,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 04:04:33,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2023-11-29 04:04:33,991 INFO L87 Difference]: Start difference. First operand 3379 states and 4188 transitions. Second operand has 16 states, 16 states have (on average 4.5) internal successors, (72), 16 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:38,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:38,629 INFO L93 Difference]: Finished difference Result 8961 states and 10901 transitions. [2023-11-29 04:04:38,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-29 04:04:38,631 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.5) internal successors, (72), 16 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2023-11-29 04:04:38,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:38,636 INFO L225 Difference]: With dead ends: 8961 [2023-11-29 04:04:38,636 INFO L226 Difference]: Without dead ends: 5745 [2023-11-29 04:04:38,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=520, Invalid=1550, Unknown=0, NotChecked=0, Total=2070 [2023-11-29 04:04:38,639 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 873 mSDsluCounter, 1267 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 1527 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:38,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 1527 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 04:04:38,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5745 states. [2023-11-29 04:04:38,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5745 to 3338. [2023-11-29 04:04:38,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3338 states, 3091 states have (on average 1.221287609187965) internal successors, (3775), 3112 states have internal predecessors, (3775), 176 states have call successors, (176), 70 states have call predecessors, (176), 70 states have return successors, (176), 155 states have call predecessors, (176), 176 states have call successors, (176) [2023-11-29 04:04:38,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3338 states to 3338 states and 4127 transitions. [2023-11-29 04:04:38,985 INFO L78 Accepts]: Start accepts. Automaton has 3338 states and 4127 transitions. Word has length 154 [2023-11-29 04:04:38,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:38,985 INFO L495 AbstractCegarLoop]: Abstraction has 3338 states and 4127 transitions. [2023-11-29 04:04:38,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.5) internal successors, (72), 16 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:38,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3338 states and 4127 transitions. [2023-11-29 04:04:38,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-29 04:04:38,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:38,986 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:38,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Ended with exit code 0 [2023-11-29 04:04:39,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:39,187 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:39,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:39,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1815495759, now seen corresponding path program 1 times [2023-11-29 04:04:39,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:39,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544917112] [2023-11-29 04:04:39,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:39,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:39,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:39,188 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:39,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Waiting until timeout for monitored process [2023-11-29 04:04:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:39,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 04:04:39,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:39,612 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:04:39,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:04:39,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:39,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544917112] [2023-11-29 04:04:39,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [544917112] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:39,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:39,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:04:39,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832212853] [2023-11-29 04:04:39,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:39,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:04:39,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:39,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:04:39,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:04:39,613 INFO L87 Difference]: Start difference. First operand 3338 states and 4127 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:40,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:40,686 INFO L93 Difference]: Finished difference Result 7708 states and 9414 transitions. [2023-11-29 04:04:40,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 04:04:40,687 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2023-11-29 04:04:40,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:40,690 INFO L225 Difference]: With dead ends: 7708 [2023-11-29 04:04:40,690 INFO L226 Difference]: Without dead ends: 4533 [2023-11-29 04:04:40,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:04:40,692 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 131 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:40,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 863 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 04:04:40,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4533 states. [2023-11-29 04:04:41,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4533 to 3628. [2023-11-29 04:04:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3628 states, 3364 states have (on average 1.2193816884661117) internal successors, (4102), 3387 states have internal predecessors, (4102), 188 states have call successors, (188), 75 states have call predecessors, (188), 75 states have return successors, (188), 165 states have call predecessors, (188), 188 states have call successors, (188) [2023-11-29 04:04:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3628 states to 3628 states and 4478 transitions. [2023-11-29 04:04:41,059 INFO L78 Accepts]: Start accepts. Automaton has 3628 states and 4478 transitions. Word has length 154 [2023-11-29 04:04:41,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:41,059 INFO L495 AbstractCegarLoop]: Abstraction has 3628 states and 4478 transitions. [2023-11-29 04:04:41,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:41,060 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 4478 transitions. [2023-11-29 04:04:41,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-29 04:04:41,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:41,061 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:41,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Ended with exit code 0 [2023-11-29 04:04:41,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:41,262 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:41,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:41,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1663128008, now seen corresponding path program 1 times [2023-11-29 04:04:41,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:41,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1965290022] [2023-11-29 04:04:41,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:41,263 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:41,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:41,264 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:41,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (66)] Waiting until timeout for monitored process [2023-11-29 04:04:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:41,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:04:41,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:41,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 04:04:41,673 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:04:41,674 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:04:41,674 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:41,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1965290022] [2023-11-29 04:04:41,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1965290022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:41,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:41,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:04:41,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643520127] [2023-11-29 04:04:41,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:41,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:04:41,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:41,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:04:41,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:04:41,675 INFO L87 Difference]: Start difference. First operand 3628 states and 4478 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:43,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:43,016 INFO L93 Difference]: Finished difference Result 7245 states and 8948 transitions. [2023-11-29 04:04:43,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:04:43,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2023-11-29 04:04:43,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:43,020 INFO L225 Difference]: With dead ends: 7245 [2023-11-29 04:04:43,020 INFO L226 Difference]: Without dead ends: 4283 [2023-11-29 04:04:43,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:04:43,023 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 133 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:43,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 793 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:04:43,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4283 states. [2023-11-29 04:04:43,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4283 to 3590. [2023-11-29 04:04:43,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3590 states, 3326 states have (on average 1.2155742633794349) internal successors, (4043), 3349 states have internal predecessors, (4043), 188 states have call successors, (188), 75 states have call predecessors, (188), 75 states have return successors, (188), 165 states have call predecessors, (188), 188 states have call successors, (188) [2023-11-29 04:04:43,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 3590 states and 4419 transitions. [2023-11-29 04:04:43,420 INFO L78 Accepts]: Start accepts. Automaton has 3590 states and 4419 transitions. Word has length 154 [2023-11-29 04:04:43,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:43,420 INFO L495 AbstractCegarLoop]: Abstraction has 3590 states and 4419 transitions. [2023-11-29 04:04:43,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 3590 states and 4419 transitions. [2023-11-29 04:04:43,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-29 04:04:43,422 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:43,422 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:43,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (66)] Forceful destruction successful, exit code 0 [2023-11-29 04:04:43,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:43,622 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:43,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:43,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1404962570, now seen corresponding path program 1 times [2023-11-29 04:04:43,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:43,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867427116] [2023-11-29 04:04:43,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:43,623 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:43,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:43,624 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:43,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Waiting until timeout for monitored process [2023-11-29 04:04:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:43,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 04:04:43,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:43,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-29 04:04:44,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-11-29 04:04:44,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 04:04:44,110 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:04:44,110 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:04:44,110 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:44,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867427116] [2023-11-29 04:04:44,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867427116] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:44,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:44,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 04:04:44,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738634477] [2023-11-29 04:04:44,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:44,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 04:04:44,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:44,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 04:04:44,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:04:44,112 INFO L87 Difference]: Start difference. First operand 3590 states and 4419 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:45,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:45,672 INFO L93 Difference]: Finished difference Result 6600 states and 8137 transitions. [2023-11-29 04:04:45,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 04:04:45,673 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2023-11-29 04:04:45,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:45,676 INFO L225 Difference]: With dead ends: 6600 [2023-11-29 04:04:45,676 INFO L226 Difference]: Without dead ends: 3676 [2023-11-29 04:04:45,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2023-11-29 04:04:45,679 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 156 mSDsluCounter, 1451 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 1708 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:45,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 1708 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:04:45,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2023-11-29 04:04:46,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3566. [2023-11-29 04:04:46,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3566 states, 3302 states have (on average 1.2150211992731679) internal successors, (4012), 3325 states have internal predecessors, (4012), 188 states have call successors, (188), 75 states have call predecessors, (188), 75 states have return successors, (188), 165 states have call predecessors, (188), 188 states have call successors, (188) [2023-11-29 04:04:46,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3566 states to 3566 states and 4388 transitions. [2023-11-29 04:04:46,075 INFO L78 Accepts]: Start accepts. Automaton has 3566 states and 4388 transitions. Word has length 154 [2023-11-29 04:04:46,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:46,075 INFO L495 AbstractCegarLoop]: Abstraction has 3566 states and 4388 transitions. [2023-11-29 04:04:46,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:46,075 INFO L276 IsEmpty]: Start isEmpty. Operand 3566 states and 4388 transitions. [2023-11-29 04:04:46,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-29 04:04:46,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:46,076 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:46,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Ended with exit code 0 [2023-11-29 04:04:46,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:46,277 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:46,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:46,277 INFO L85 PathProgramCache]: Analyzing trace with hash 410301355, now seen corresponding path program 1 times [2023-11-29 04:04:46,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:46,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247025816] [2023-11-29 04:04:46,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:46,278 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:46,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:46,279 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:46,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (68)] Waiting until timeout for monitored process [2023-11-29 04:04:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:46,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 04:04:46,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:46,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:46,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 24 [2023-11-29 04:04:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-29 04:04:47,121 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:04:47,121 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:47,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247025816] [2023-11-29 04:04:47,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [247025816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:47,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:47,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 04:04:47,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438486729] [2023-11-29 04:04:47,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:47,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:04:47,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:47,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:04:47,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:04:47,123 INFO L87 Difference]: Start difference. First operand 3566 states and 4388 transitions. Second operand has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 13 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:51,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:51,214 INFO L93 Difference]: Finished difference Result 8911 states and 10791 transitions. [2023-11-29 04:04:51,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-29 04:04:51,215 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 13 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2023-11-29 04:04:51,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:51,219 INFO L225 Difference]: With dead ends: 8911 [2023-11-29 04:04:51,219 INFO L226 Difference]: Without dead ends: 5284 [2023-11-29 04:04:51,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=290, Invalid=900, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 04:04:51,222 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 430 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:51,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 1810 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 04:04:51,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2023-11-29 04:04:51,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 3327. [2023-11-29 04:04:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3327 states, 3063 states have (on average 1.2060071825008163) internal successors, (3694), 3086 states have internal predecessors, (3694), 188 states have call successors, (188), 75 states have call predecessors, (188), 75 states have return successors, (188), 165 states have call predecessors, (188), 188 states have call successors, (188) [2023-11-29 04:04:51,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 3327 states and 4070 transitions. [2023-11-29 04:04:51,629 INFO L78 Accepts]: Start accepts. Automaton has 3327 states and 4070 transitions. Word has length 154 [2023-11-29 04:04:51,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:51,629 INFO L495 AbstractCegarLoop]: Abstraction has 3327 states and 4070 transitions. [2023-11-29 04:04:51,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 13 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:51,629 INFO L276 IsEmpty]: Start isEmpty. Operand 3327 states and 4070 transitions. [2023-11-29 04:04:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2023-11-29 04:04:51,634 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:51,634 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:51,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (68)] Ended with exit code 0 [2023-11-29 04:04:51,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:51,835 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:51,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:51,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1434949969, now seen corresponding path program 1 times [2023-11-29 04:04:51,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:51,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2127335485] [2023-11-29 04:04:51,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:51,836 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:51,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:51,837 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:51,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Waiting until timeout for monitored process [2023-11-29 04:04:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:52,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:04:52,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:52,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2282 trivial. 0 not checked. [2023-11-29 04:04:52,292 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:04:52,292 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:52,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2127335485] [2023-11-29 04:04:52,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2127335485] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:52,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:52,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:04:52,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951448081] [2023-11-29 04:04:52,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:52,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:04:52,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:52,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:04:52,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:04:52,294 INFO L87 Difference]: Start difference. First operand 3327 states and 4070 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:52,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:52,746 INFO L93 Difference]: Finished difference Result 6354 states and 7643 transitions. [2023-11-29 04:04:52,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:04:52,748 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 284 [2023-11-29 04:04:52,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:52,751 INFO L225 Difference]: With dead ends: 6354 [2023-11-29 04:04:52,751 INFO L226 Difference]: Without dead ends: 3179 [2023-11-29 04:04:52,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:04:52,753 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 112 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:52,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 702 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:04:52,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3179 states. [2023-11-29 04:04:53,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3179 to 3041. [2023-11-29 04:04:53,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3041 states, 2777 states have (on average 1.1451206337774578) internal successors, (3180), 2800 states have internal predecessors, (3180), 188 states have call successors, (188), 75 states have call predecessors, (188), 75 states have return successors, (188), 165 states have call predecessors, (188), 188 states have call successors, (188) [2023-11-29 04:04:53,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 3556 transitions. [2023-11-29 04:04:53,144 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 3556 transitions. Word has length 284 [2023-11-29 04:04:53,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:53,144 INFO L495 AbstractCegarLoop]: Abstraction has 3041 states and 3556 transitions. [2023-11-29 04:04:53,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:53,144 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 3556 transitions. [2023-11-29 04:04:53,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2023-11-29 04:04:53,148 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:53,148 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:53,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Ended with exit code 0 [2023-11-29 04:04:53,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:53,349 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:53,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:53,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1857651795, now seen corresponding path program 1 times [2023-11-29 04:04:53,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:53,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1356416628] [2023-11-29 04:04:53,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:53,350 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:53,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:53,351 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:53,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Waiting until timeout for monitored process [2023-11-29 04:04:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:53,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:04:53,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:54,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 1174 proven. 39 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2023-11-29 04:04:54,166 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:04:54,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2285 trivial. 0 not checked. [2023-11-29 04:04:54,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:54,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1356416628] [2023-11-29 04:04:54,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1356416628] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:04:54,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:04:54,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2023-11-29 04:04:54,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241738914] [2023-11-29 04:04:54,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:54,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:04:54,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:54,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:04:54,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:04:54,293 INFO L87 Difference]: Start difference. First operand 3041 states and 3556 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:54,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:54,832 INFO L93 Difference]: Finished difference Result 5839 states and 6794 transitions. [2023-11-29 04:04:54,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:04:54,833 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 284 [2023-11-29 04:04:54,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:54,835 INFO L225 Difference]: With dead ends: 5839 [2023-11-29 04:04:54,836 INFO L226 Difference]: Without dead ends: 2950 [2023-11-29 04:04:54,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:04:54,838 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 117 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:54,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 586 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:04:54,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2950 states. [2023-11-29 04:04:55,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2950 to 2236. [2023-11-29 04:04:55,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2236 states, 2000 states have (on average 1.1415) internal successors, (2283), 2014 states have internal predecessors, (2283), 164 states have call successors, (164), 71 states have call predecessors, (164), 71 states have return successors, (164), 150 states have call predecessors, (164), 164 states have call successors, (164) [2023-11-29 04:04:55,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2611 transitions. [2023-11-29 04:04:55,202 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2611 transitions. Word has length 284 [2023-11-29 04:04:55,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:55,202 INFO L495 AbstractCegarLoop]: Abstraction has 2236 states and 2611 transitions. [2023-11-29 04:04:55,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2611 transitions. [2023-11-29 04:04:55,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-11-29 04:04:55,206 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:55,207 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:55,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Ended with exit code 0 [2023-11-29 04:04:55,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:55,407 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:55,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:55,408 INFO L85 PathProgramCache]: Analyzing trace with hash 185872176, now seen corresponding path program 1 times [2023-11-29 04:04:55,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:55,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337669321] [2023-11-29 04:04:55,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:55,408 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:55,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:55,409 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:55,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Waiting until timeout for monitored process [2023-11-29 04:04:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:55,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:04:55,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:56,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2023-11-29 04:04:56,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 1175 proven. 39 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2023-11-29 04:04:56,218 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:04:56,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 2285 trivial. 0 not checked. [2023-11-29 04:04:56,393 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:56,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337669321] [2023-11-29 04:04:56,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337669321] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:04:56,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:04:56,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-29 04:04:56,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847783291] [2023-11-29 04:04:56,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:56,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:04:56,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:56,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:04:56,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:04:56,395 INFO L87 Difference]: Start difference. First operand 2236 states and 2611 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:56,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:56,868 INFO L93 Difference]: Finished difference Result 3950 states and 4603 transitions. [2023-11-29 04:04:56,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:04:56,869 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 289 [2023-11-29 04:04:56,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:56,871 INFO L225 Difference]: With dead ends: 3950 [2023-11-29 04:04:56,871 INFO L226 Difference]: Without dead ends: 2016 [2023-11-29 04:04:56,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:04:56,873 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 82 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:56,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 587 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:04:56,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2016 states. [2023-11-29 04:04:57,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2016 to 1838. [2023-11-29 04:04:57,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1614 states have (on average 1.1425030978934325) internal successors, (1844), 1622 states have internal predecessors, (1844), 152 states have call successors, (152), 71 states have call predecessors, (152), 71 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2023-11-29 04:04:57,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2148 transitions. [2023-11-29 04:04:57,202 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2148 transitions. Word has length 289 [2023-11-29 04:04:57,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:57,202 INFO L495 AbstractCegarLoop]: Abstraction has 1838 states and 2148 transitions. [2023-11-29 04:04:57,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:57,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2148 transitions. [2023-11-29 04:04:57,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2023-11-29 04:04:57,205 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:57,206 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:57,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Ended with exit code 0 [2023-11-29 04:04:57,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:57,406 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:57,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:57,406 INFO L85 PathProgramCache]: Analyzing trace with hash 803355497, now seen corresponding path program 1 times [2023-11-29 04:04:57,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:57,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162461079] [2023-11-29 04:04:57,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:57,407 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:57,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:57,408 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:57,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (72)] Waiting until timeout for monitored process [2023-11-29 04:04:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:57,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 04:04:57,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:57,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2289 trivial. 0 not checked. [2023-11-29 04:04:57,949 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:04:57,949 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:57,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1162461079] [2023-11-29 04:04:57,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1162461079] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:57,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:57,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:04:57,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903768746] [2023-11-29 04:04:57,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:57,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:04:57,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:57,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:04:57,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:04:57,950 INFO L87 Difference]: Start difference. First operand 1838 states and 2148 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:58,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:58,888 INFO L93 Difference]: Finished difference Result 3655 states and 4268 transitions. [2023-11-29 04:04:58,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:04:58,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 292 [2023-11-29 04:04:58,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:58,891 INFO L225 Difference]: With dead ends: 3655 [2023-11-29 04:04:58,891 INFO L226 Difference]: Without dead ends: 2215 [2023-11-29 04:04:58,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:04:58,892 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 141 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:58,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 523 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 04:04:58,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2215 states. [2023-11-29 04:04:59,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2215 to 1835. [2023-11-29 04:04:59,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1835 states, 1611 states have (on average 1.1346989447548106) internal successors, (1828), 1619 states have internal predecessors, (1828), 152 states have call successors, (152), 71 states have call predecessors, (152), 71 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2023-11-29 04:04:59,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2132 transitions. [2023-11-29 04:04:59,222 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2132 transitions. Word has length 292 [2023-11-29 04:04:59,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:59,222 INFO L495 AbstractCegarLoop]: Abstraction has 1835 states and 2132 transitions. [2023-11-29 04:04:59,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:04:59,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2132 transitions. [2023-11-29 04:04:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-11-29 04:04:59,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:59,226 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:59,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (72)] Ended with exit code 0 [2023-11-29 04:04:59,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:59,426 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:04:59,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:59,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1195907184, now seen corresponding path program 1 times [2023-11-29 04:04:59,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:59,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [970868733] [2023-11-29 04:04:59,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:59,427 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:59,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:59,428 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:59,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (73)] Waiting until timeout for monitored process [2023-11-29 04:04:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:59,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 04:04:59,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:05:00,549 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:05:00,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 30 [2023-11-29 04:05:00,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2289 trivial. 0 not checked. [2023-11-29 04:05:00,658 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:05:00,658 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:05:00,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [970868733] [2023-11-29 04:05:00,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [970868733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:00,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:00,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 04:05:00,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381938852] [2023-11-29 04:05:00,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:00,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 04:05:00,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:05:00,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 04:05:00,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:05:00,660 INFO L87 Difference]: Start difference. First operand 1835 states and 2132 transitions. Second operand has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:05:02,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:05:02,578 INFO L93 Difference]: Finished difference Result 3607 states and 4169 transitions. [2023-11-29 04:05:02,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 04:05:02,579 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 294 [2023-11-29 04:05:02,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:05:02,581 INFO L225 Difference]: With dead ends: 3607 [2023-11-29 04:05:02,581 INFO L226 Difference]: Without dead ends: 2170 [2023-11-29 04:05:02,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2023-11-29 04:05:02,583 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 160 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1162 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:05:02,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1162 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 04:05:02,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2170 states. [2023-11-29 04:05:02,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2170 to 1823. [2023-11-29 04:05:02,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1823 states, 1599 states have (on average 1.1282051282051282) internal successors, (1804), 1607 states have internal predecessors, (1804), 152 states have call successors, (152), 71 states have call predecessors, (152), 71 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2023-11-29 04:05:02,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2108 transitions. [2023-11-29 04:05:02,925 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2108 transitions. Word has length 294 [2023-11-29 04:05:02,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:05:02,925 INFO L495 AbstractCegarLoop]: Abstraction has 1823 states and 2108 transitions. [2023-11-29 04:05:02,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:05:02,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2108 transitions. [2023-11-29 04:05:02,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-11-29 04:05:02,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:05:02,928 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:05:02,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (73)] Ended with exit code 0 [2023-11-29 04:05:03,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:05:03,129 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:05:03,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:03,129 INFO L85 PathProgramCache]: Analyzing trace with hash -541201562, now seen corresponding path program 1 times [2023-11-29 04:05:03,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:05:03,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [98896054] [2023-11-29 04:05:03,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:03,130 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:05:03,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:05:03,131 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:05:03,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (74)] Waiting until timeout for monitored process [2023-11-29 04:05:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:03,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 04:05:03,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:05:03,884 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:05:03,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 36 [2023-11-29 04:05:03,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2289 trivial. 0 not checked. [2023-11-29 04:05:03,915 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:05:03,915 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:05:03,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [98896054] [2023-11-29 04:05:03,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [98896054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:03,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:03,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 04:05:03,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296314808] [2023-11-29 04:05:03,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:03,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 04:05:03,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:05:03,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 04:05:03,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:05:03,917 INFO L87 Difference]: Start difference. First operand 1823 states and 2108 transitions. Second operand has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 9 states have internal predecessors, (102), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:05:05,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:05:05,993 INFO L93 Difference]: Finished difference Result 3757 states and 4327 transitions. [2023-11-29 04:05:05,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 04:05:05,995 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 9 states have internal predecessors, (102), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 294 [2023-11-29 04:05:05,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:05:05,997 INFO L225 Difference]: With dead ends: 3757 [2023-11-29 04:05:05,997 INFO L226 Difference]: Without dead ends: 2332 [2023-11-29 04:05:05,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2023-11-29 04:05:05,999 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 325 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:05:05,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 823 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 04:05:06,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2332 states. [2023-11-29 04:05:06,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2332 to 1823. [2023-11-29 04:05:06,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1823 states, 1599 states have (on average 1.1282051282051282) internal successors, (1804), 1607 states have internal predecessors, (1804), 152 states have call successors, (152), 71 states have call predecessors, (152), 71 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2023-11-29 04:05:06,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2108 transitions. [2023-11-29 04:05:06,353 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2108 transitions. Word has length 294 [2023-11-29 04:05:06,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:05:06,353 INFO L495 AbstractCegarLoop]: Abstraction has 1823 states and 2108 transitions. [2023-11-29 04:05:06,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 9 states have internal predecessors, (102), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:05:06,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2108 transitions. [2023-11-29 04:05:06,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-11-29 04:05:06,356 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:05:06,356 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:05:06,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (74)] Ended with exit code 0 [2023-11-29 04:05:06,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:05:06,557 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:05:06,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:06,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1069778594, now seen corresponding path program 1 times [2023-11-29 04:05:06,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:05:06,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1878078817] [2023-11-29 04:05:06,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:06,558 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:05:06,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:05:06,559 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:05:06,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (75)] Waiting until timeout for monitored process [2023-11-29 04:05:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:07,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 04:05:07,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:05:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2289 trivial. 0 not checked. [2023-11-29 04:05:07,595 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:05:07,595 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:05:07,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1878078817] [2023-11-29 04:05:07,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1878078817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:07,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:07,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 04:05:07,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916155999] [2023-11-29 04:05:07,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:07,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 04:05:07,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:05:07,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 04:05:07,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:05:07,597 INFO L87 Difference]: Start difference. First operand 1823 states and 2108 transitions. Second operand has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 9 states have internal predecessors, (102), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:05:09,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:05:09,446 INFO L93 Difference]: Finished difference Result 3507 states and 4034 transitions. [2023-11-29 04:05:09,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 04:05:09,448 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 9 states have internal predecessors, (102), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 294 [2023-11-29 04:05:09,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:05:09,448 INFO L225 Difference]: With dead ends: 3507 [2023-11-29 04:05:09,448 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 04:05:09,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2023-11-29 04:05:09,450 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 165 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:05:09,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 800 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:05:09,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 04:05:09,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 04:05:09,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:05:09,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 04:05:09,451 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 294 [2023-11-29 04:05:09,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:05:09,451 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:05:09,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 9 states have internal predecessors, (102), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-29 04:05:09,452 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:05:09,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 04:05:09,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:05:09,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (75)] Ended with exit code 0 [2023-11-29 04:05:09,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce893d9-aef1-427d-9b34-1833ed60368c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:05:09,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 04:06:09,381 WARN L293 SmtUtils]: Spent 59.70s on a formula simplification. DAG size of input: 382 DAG size of output: 567 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)