./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/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_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/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_e2a766ed-0ad5-4d5c-acc9-303a63765c19/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 fa1d009dc6f8eabe9542b3dc62739ce0106fb2669419cfdd51359ba01dfee168 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:06:10,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:06:10,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:06:10,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:06:10,285 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:06:10,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:06:10,310 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:06:10,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:06:10,311 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:06:10,312 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:06:10,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:06:10,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:06:10,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:06:10,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:06:10,315 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:06:10,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:06:10,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:06:10,316 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:06:10,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:06:10,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:06:10,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:06:10,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:06:10,319 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:06:10,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:06:10,319 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:06:10,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:06:10,320 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:06:10,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:06:10,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:06:10,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:06:10,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:06:10,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:06:10,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:06:10,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:06:10,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:06:10,324 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:06:10,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:06:10,324 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:06:10,324 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:06:10,324 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:06:10,325 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:06:10,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:06:10,325 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_e2a766ed-0ad5-4d5c-acc9-303a63765c19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa1d009dc6f8eabe9542b3dc62739ce0106fb2669419cfdd51359ba01dfee168 [2023-11-29 02:06:10,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:06:10,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:06:10,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:06:10,579 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:06:10,580 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:06:10,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i [2023-11-29 02:06:13,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:06:13,547 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:06:13,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i [2023-11-29 02:06:13,557 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/data/70f527a42/36bcb073260e4b69923c17ae63e5f3ce/FLAGdc71183a0 [2023-11-29 02:06:13,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/data/70f527a42/36bcb073260e4b69923c17ae63e5f3ce [2023-11-29 02:06:13,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:06:13,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:06:13,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:06:13,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:06:13,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:06:13,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:06:13" (1/1) ... [2023-11-29 02:06:13,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee5db82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:13, skipping insertion in model container [2023-11-29 02:06:13,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:06:13" (1/1) ... [2023-11-29 02:06:13,615 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:06:13,732 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_e2a766ed-0ad5-4d5c-acc9-303a63765c19/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i[917,930] [2023-11-29 02:06:13,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:06:13,808 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:06:13,820 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_e2a766ed-0ad5-4d5c-acc9-303a63765c19/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i[917,930] [2023-11-29 02:06:13,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:06:13,875 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:06:13,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:13 WrapperNode [2023-11-29 02:06:13,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:06:13,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:06:13,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:06:13,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:06:13,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:13" (1/1) ... [2023-11-29 02:06:13,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:13" (1/1) ... [2023-11-29 02:06:13,942 INFO L138 Inliner]: procedures = 29, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 526 [2023-11-29 02:06:13,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:06:13,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:06:13,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:06:13,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:06:13,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:13" (1/1) ... [2023-11-29 02:06:13,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:13" (1/1) ... [2023-11-29 02:06:13,959 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:13" (1/1) ... [2023-11-29 02:06:13,983 INFO L175 MemorySlicer]: Split 158 memory accesses to 4 slices as follows [2, 32, 38, 86]. 54 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 3, 5, 6]. The 19 writes are split as follows [0, 3, 9, 7]. [2023-11-29 02:06:13,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:13" (1/1) ... [2023-11-29 02:06:13,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:13" (1/1) ... [2023-11-29 02:06:14,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:13" (1/1) ... [2023-11-29 02:06:14,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:13" (1/1) ... [2023-11-29 02:06:14,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:13" (1/1) ... [2023-11-29 02:06:14,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:13" (1/1) ... [2023-11-29 02:06:14,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:06:14,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:06:14,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:06:14,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:06:14,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:13" (1/1) ... [2023-11-29 02:06:14,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:06:14,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:06:14,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:06:14,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:06:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:06:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 02:06:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 02:06:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 02:06:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 02:06:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 02:06:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 02:06:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-29 02:06:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-29 02:06:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 02:06:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 02:06:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-29 02:06:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-29 02:06:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 02:06:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 02:06:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 02:06:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 02:06:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 02:06:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 02:06:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-29 02:06:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-29 02:06:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:06:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:06:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:06:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 02:06:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 02:06:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 02:06:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:06:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:06:14,251 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:06:14,253 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:06:14,707 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:06:14,768 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:06:14,768 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:06:14,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:06:14 BoogieIcfgContainer [2023-11-29 02:06:14,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:06:14,772 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:06:14,772 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:06:14,774 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:06:14,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:06:13" (1/3) ... [2023-11-29 02:06:14,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e1d93b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:06:14, skipping insertion in model container [2023-11-29 02:06:14,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:13" (2/3) ... [2023-11-29 02:06:14,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e1d93b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:06:14, skipping insertion in model container [2023-11-29 02:06:14,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:06:14" (3/3) ... [2023-11-29 02:06:14,777 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-91.i [2023-11-29 02:06:14,815 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:06:14,815 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:06:14,863 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:06:14,868 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;@29fc5532, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:06:14,869 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:06:14,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 98 states have (on average 1.4591836734693877) internal successors, (143), 99 states have internal predecessors, (143), 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 02:06:14,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 02:06:14,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:06:14,887 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] [2023-11-29 02:06:14,888 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:06:14,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:06:14,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1335321828, now seen corresponding path program 1 times [2023-11-29 02:06:14,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:06:14,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615029549] [2023-11-29 02:06:14,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:06:14,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:06:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:15,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:06:15,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615029549] [2023-11-29 02:06:15,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 02:06:15,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898665172] [2023-11-29 02:06:15,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:06:15,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:06:15,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:06:15,144 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:06:15,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:06:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:15,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:06:15,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:06:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2023-11-29 02:06:15,466 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:06:15,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898665172] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:06:15,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:06:15,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:06:15,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314207727] [2023-11-29 02:06:15,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:06:15,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:06:15,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:06:15,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:06:15,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:06:15,508 INFO L87 Difference]: Start difference. First operand has 118 states, 98 states have (on average 1.4591836734693877) internal successors, (143), 99 states have internal predecessors, (143), 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 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (17), 2 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 02:06:15,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:06:15,553 INFO L93 Difference]: Finished difference Result 233 states and 369 transitions. [2023-11-29 02:06:15,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:06:15,555 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (17), 2 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 133 [2023-11-29 02:06:15,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:06:15,565 INFO L225 Difference]: With dead ends: 233 [2023-11-29 02:06:15,565 INFO L226 Difference]: Without dead ends: 116 [2023-11-29 02:06:15,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 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 02:06:15,572 INFO L413 NwaCegarLoop]: 168 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, 168 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 02:06:15,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:06:15,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-29 02:06:15,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-11-29 02:06:15,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 97 states have (on average 1.422680412371134) internal successors, (138), 97 states have internal predecessors, (138), 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 02:06:15,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 172 transitions. [2023-11-29 02:06:15,623 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 172 transitions. Word has length 133 [2023-11-29 02:06:15,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:06:15,624 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 172 transitions. [2023-11-29 02:06:15,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (17), 2 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 02:06:15,625 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 172 transitions. [2023-11-29 02:06:15,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 02:06:15,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:06:15,629 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] [2023-11-29 02:06:15,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:06:15,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:06:15,832 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:06:15,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:06:15,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1147318018, now seen corresponding path program 1 times [2023-11-29 02:06:15,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:06:15,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161823723] [2023-11-29 02:06:15,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:06:15,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:06:15,914 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:06:15,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [114280182] [2023-11-29 02:06:15,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:06:15,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:06:15,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:06:15,916 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:06:15,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:06:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:16,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:06:16,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:06:16,253 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 02:06:16,253 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:06:16,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:06:16,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161823723] [2023-11-29 02:06:16,254 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:06:16,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114280182] [2023-11-29 02:06:16,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114280182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:06:16,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:06:16,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:06:16,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097069810] [2023-11-29 02:06:16,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:06:16,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:06:16,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:06:16,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:06:16,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:06:16,257 INFO L87 Difference]: Start difference. First operand 116 states and 172 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 02:06:16,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:06:16,315 INFO L93 Difference]: Finished difference Result 261 states and 388 transitions. [2023-11-29 02:06:16,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:06:16,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 133 [2023-11-29 02:06:16,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:06:16,319 INFO L225 Difference]: With dead ends: 261 [2023-11-29 02:06:16,319 INFO L226 Difference]: Without dead ends: 146 [2023-11-29 02:06:16,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 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 02:06:16,321 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 54 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:06:16,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 487 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:06:16,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-29 02:06:16,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 118. [2023-11-29 02:06:16,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 99 states have (on average 1.4141414141414141) internal successors, (140), 99 states have internal predecessors, (140), 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 02:06:16,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 174 transitions. [2023-11-29 02:06:16,338 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 174 transitions. Word has length 133 [2023-11-29 02:06:16,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:06:16,340 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 174 transitions. [2023-11-29 02:06:16,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 02:06:16,341 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 174 transitions. [2023-11-29 02:06:16,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 02:06:16,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:06:16,344 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] [2023-11-29 02:06:16,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-29 02:06:16,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:06:16,549 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:06:16,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:06:16,549 INFO L85 PathProgramCache]: Analyzing trace with hash -665325428, now seen corresponding path program 1 times [2023-11-29 02:06:16,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:06:16,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333884453] [2023-11-29 02:06:16,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:06:16,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:06:16,619 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:06:16,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1555512088] [2023-11-29 02:06:16,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:06:16,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:06:16,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:06:16,621 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:06:16,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:06:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:16,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-29 02:06:16,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:06:18,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:06:18,500 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 15 treesize of output 15 [2023-11-29 02:06:18,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:06:18,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:06:18,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:06:18,627 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 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-29 02:06:18,765 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 02:06:18,765 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:06:18,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:06:18,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333884453] [2023-11-29 02:06:18,766 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:06:18,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555512088] [2023-11-29 02:06:18,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555512088] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:06:18,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:06:18,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 02:06:18,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544634438] [2023-11-29 02:06:18,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:06:18,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:06:18,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:06:18,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:06:18,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:06:18,769 INFO L87 Difference]: Start difference. First operand 118 states and 174 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 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 02:06:19,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:06:19,467 INFO L93 Difference]: Finished difference Result 396 states and 584 transitions. [2023-11-29 02:06:19,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:06:19,469 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 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 135 [2023-11-29 02:06:19,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:06:19,473 INFO L225 Difference]: With dead ends: 396 [2023-11-29 02:06:19,473 INFO L226 Difference]: Without dead ends: 279 [2023-11-29 02:06:19,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:06:19,476 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 623 mSDsluCounter, 1138 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:06:19,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 1343 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 02:06:19,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2023-11-29 02:06:19,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 201. [2023-11-29 02:06:19,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 178 states have (on average 1.4382022471910112) internal successors, (256), 179 states have internal predecessors, (256), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 02:06:19,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 296 transitions. [2023-11-29 02:06:19,503 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 296 transitions. Word has length 135 [2023-11-29 02:06:19,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:06:19,504 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 296 transitions. [2023-11-29 02:06:19,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 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 02:06:19,504 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 296 transitions. [2023-11-29 02:06:19,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 02:06:19,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:06:19,507 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] [2023-11-29 02:06:19,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 02:06:19,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:06:19,713 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:06:19,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:06:19,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1571900163, now seen corresponding path program 1 times [2023-11-29 02:06:19,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:06:19,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241279618] [2023-11-29 02:06:19,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:06:19,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:06:19,764 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:06:19,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1275349762] [2023-11-29 02:06:19,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:06:19,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:06:19,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:06:19,766 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:06:19,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 02:06:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:06:20,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:06:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:06:20,539 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:06:20,539 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:06:20,540 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:06:20,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 02:06:20,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:06:20,744 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 02:06:20,747 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:06:20,843 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 02:06:20,847 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 02:06:20,847 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 02:06:20,848 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 02:06:20,848 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-29 02:06:20,848 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 02:06:20,849 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-29 02:06:20,851 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-29 02:06:20,851 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 02:06:20,852 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 02:06:20,852 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-29 02:06:20,852 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 02:06:20,853 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-29 02:06:20,853 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 02:06:20,854 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-29 02:06:20,854 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-29 02:06:20,854 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 02:06:20,855 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-29 02:06:20,857 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-29 02:06:20,857 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-29 02:06:20,857 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-29 02:06:20,858 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-29 02:06:20,858 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 02:06:20,859 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 02:06:20,859 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-29 02:06:20,860 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-29 02:06:20,860 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-29 02:06:20,860 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 02:06:20,861 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-29 02:06:20,863 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 02:06:20,863 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-29 02:06:20,864 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-29 02:06:20,864 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-29 02:06:20,866 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 02:06:20,868 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-29 02:06:20,870 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 02:06:20,872 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 02:06:20,873 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-29 02:06:20,875 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-29 02:06:20,876 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 02:06:20,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 02:06:20,879 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-29 02:06:20,880 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-29 02:06:20,881 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-29 02:06:20,882 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-11-29 02:06:20,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-29 02:06:20,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-29 02:06:20,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-29 02:06:20,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite45 could not be translated [2023-11-29 02:06:20,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-29 02:06:20,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-29 02:06:20,887 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 02:06:20,888 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite105 could not be translated [2023-11-29 02:06:20,888 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-29 02:06:20,888 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-29 02:06:20,888 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 02:06:20,888 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-29 02:06:20,889 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 02:06:20,889 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-29 02:06:20,889 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-29 02:06:20,889 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite105 could not be translated [2023-11-29 02:06:20,889 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite107 could not be translated [2023-11-29 02:06:20,889 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 02:06:20,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-29 02:06:20,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite105 could not be translated [2023-11-29 02:06:20,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-29 02:06:20,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated [2023-11-29 02:06:20,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 02:06:20,891 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 02:06:20,891 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-29 02:06:20,891 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-29 02:06:20,891 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite107 could not be translated [2023-11-29 02:06:20,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated [2023-11-29 02:06:20,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite107 could not be translated [2023-11-29 02:06:20,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 02:06:20,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite105 could not be translated [2023-11-29 02:06:20,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-29 02:06:20,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-29 02:06:20,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 02:06:20,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short153 could not be translated [2023-11-29 02:06:20,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-29 02:06:20,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite105 could not be translated [2023-11-29 02:06:20,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-29 02:06:20,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-29 02:06:20,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite107 could not be translated [2023-11-29 02:06:20,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-29 02:06:20,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short153 could not be translated [2023-11-29 02:06:20,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-29 02:06:20,895 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short169 could not be translated [2023-11-29 02:06:20,895 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-29 02:06:20,895 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated [2023-11-29 02:06:20,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:06:20 BoogieIcfgContainer [2023-11-29 02:06:20,922 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:06:20,922 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:06:20,922 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:06:20,923 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:06:20,923 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:06:14" (3/4) ... [2023-11-29 02:06:20,925 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:06:20,926 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:06:20,927 INFO L158 Benchmark]: Toolchain (without parser) took 7353.07ms. Allocated memory was 159.4MB in the beginning and 249.6MB in the end (delta: 90.2MB). Free memory was 125.1MB in the beginning and 194.3MB in the end (delta: -69.2MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-11-29 02:06:20,927 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:06:20,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.81ms. Allocated memory is still 159.4MB. Free memory was 125.1MB in the beginning and 109.6MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 02:06:20,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.62ms. Allocated memory is still 159.4MB. Free memory was 109.6MB in the beginning and 106.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:06:20,929 INFO L158 Benchmark]: Boogie Preprocessor took 80.11ms. Allocated memory is still 159.4MB. Free memory was 106.0MB in the beginning and 101.3MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 02:06:20,929 INFO L158 Benchmark]: RCFGBuilder took 745.33ms. Allocated memory is still 159.4MB. Free memory was 101.3MB in the beginning and 124.9MB in the end (delta: -23.6MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2023-11-29 02:06:20,929 INFO L158 Benchmark]: TraceAbstraction took 6150.22ms. Allocated memory was 159.4MB in the beginning and 249.6MB in the end (delta: 90.2MB). Free memory was 124.1MB in the beginning and 194.3MB in the end (delta: -70.1MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. [2023-11-29 02:06:20,930 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 249.6MB. Free memory is still 194.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:06:20,932 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.81ms. Allocated memory is still 159.4MB. Free memory was 125.1MB in the beginning and 109.6MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.62ms. Allocated memory is still 159.4MB. Free memory was 109.6MB in the beginning and 106.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.11ms. Allocated memory is still 159.4MB. Free memory was 106.0MB in the beginning and 101.3MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 745.33ms. Allocated memory is still 159.4MB. Free memory was 101.3MB in the beginning and 124.9MB in the end (delta: -23.6MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6150.22ms. Allocated memory was 159.4MB in the beginning and 249.6MB in the end (delta: 90.2MB). Free memory was 124.1MB in the beginning and 194.3MB in the end (delta: -70.1MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 249.6MB. Free memory is still 194.3MB. 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~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short153 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short153 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short169 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short121 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 109, overapproximation of someUnaryDOUBLEoperation at line 23. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] float float_Array_0[3] = { -0.25, 8.4, 49.25 }; [L22-L24] float float_Array_0[3] = { -0.25, 8.4, 49.25 }; [L22-L24] float float_Array_0[3] = { -0.25, 8.4, 49.25 }; [L22-L24] float float_Array_0[3] = { -0.25, 8.4, 49.25 }; [L25] float* float_Array_0_arrayfloat_Array_0arrayVar0_Pointer = &(float_Array_0[0]); [L26] float* float_Array_0_arrayfloat_Array_0arrayVar1_Pointer = &(float_Array_0[1]); [L27] float* float_Array_0_arrayfloat_Array_0arrayVar2_Pointer = &(float_Array_0[2]); [L28-L30] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L28-L30] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L28-L30] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L28-L30] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L28-L30] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L28-L30] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L31] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer = &(signed_short_int_Array_0[0]); [L32] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer = &(signed_short_int_Array_0[1]); [L33] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer = &(signed_short_int_Array_0[2]); [L34] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer = &(signed_short_int_Array_0[3]); [L35] signed short int* signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer = &(signed_short_int_Array_0[4]); [L36-L38] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L36-L38] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L36-L38] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L36-L38] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L36-L38] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L36-L38] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L36-L38] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L39] unsigned long int* unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer = &(unsigned_long_int_Array_0[0][0]); [L40] unsigned long int* unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer = &(unsigned_long_int_Array_0[1][0]); [L41] unsigned long int* unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer = &(unsigned_long_int_Array_0[0][1]); [L42] unsigned long int* unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer = &(unsigned_long_int_Array_0[1][1]); [L43] unsigned long int* unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer = &(unsigned_long_int_Array_0[0][2]); [L44] unsigned long int* unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer = &(unsigned_long_int_Array_0[1][2]); [L113] isInitial = 1 [L114] FCALL initially() [L115] COND TRUE 1 [L116] FCALL updateLastVariables() [L117] CALL updateVariables() [L78] float_Array_0[0] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[0] [L79] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L79] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L79] EXPR float_Array_0[0] [L79] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L79] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L79] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L79] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L79] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L80] float_Array_0[1] = __VERIFIER_nondet_float() [L81] EXPR float_Array_0[1] [L81] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L81] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L81] EXPR float_Array_0[1] [L81] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L81] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L81] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L81] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L81] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L82] float_Array_0[2] = __VERIFIER_nondet_float() [L83] EXPR float_Array_0[2] [L83] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L83] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F [L83] EXPR float_Array_0[2] [L83] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L83] EXPR (float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L83] EXPR (float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L83] CALL assume_abort_if_not((float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L83] RET assume_abort_if_not((float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L84] signed_short_int_Array_0[1] = __VERIFIER_nondet_short() [L85] EXPR signed_short_int_Array_0[1] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L85] CALL assume_abort_if_not(signed_short_int_Array_0[1] >= -32767) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L85] RET assume_abort_if_not(signed_short_int_Array_0[1] >= -32767) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L86] EXPR signed_short_int_Array_0[1] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L86] CALL assume_abort_if_not(signed_short_int_Array_0[1] <= 32766) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L86] RET assume_abort_if_not(signed_short_int_Array_0[1] <= 32766) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L87] signed_short_int_Array_0[2] = __VERIFIER_nondet_short() [L88] EXPR signed_short_int_Array_0[2] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L88] CALL assume_abort_if_not(signed_short_int_Array_0[2] >= -1) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L88] RET assume_abort_if_not(signed_short_int_Array_0[2] >= -1) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L89] EXPR signed_short_int_Array_0[2] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L89] CALL assume_abort_if_not(signed_short_int_Array_0[2] <= 32766) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L89] RET assume_abort_if_not(signed_short_int_Array_0[2] <= 32766) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L90] signed_short_int_Array_0[3] = __VERIFIER_nondet_short() [L91] EXPR signed_short_int_Array_0[3] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L91] CALL assume_abort_if_not(signed_short_int_Array_0[3] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L91] RET assume_abort_if_not(signed_short_int_Array_0[3] >= 0) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L92] EXPR signed_short_int_Array_0[3] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L92] CALL assume_abort_if_not(signed_short_int_Array_0[3] <= 32766) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L92] RET assume_abort_if_not(signed_short_int_Array_0[3] <= 32766) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L93] unsigned_long_int_Array_0[1][0] = __VERIFIER_nondet_ulong() [L94] EXPR unsigned_long_int_Array_0[1][0] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L94] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L94] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 0) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L95] EXPR unsigned_long_int_Array_0[1][0] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L95] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L95] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 4294967294) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L96] unsigned_long_int_Array_0[0][1] = __VERIFIER_nondet_ulong() [L97] EXPR unsigned_long_int_Array_0[0][1] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L97] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][1] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L97] RET assume_abort_if_not(unsigned_long_int_Array_0[0][1] >= 0) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L98] EXPR unsigned_long_int_Array_0[0][1] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L98] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][1] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L98] RET assume_abort_if_not(unsigned_long_int_Array_0[0][1] <= 4294967294) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L99] unsigned_long_int_Array_0[1][1] = __VERIFIER_nondet_ulong() [L100] EXPR unsigned_long_int_Array_0[1][1] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L100] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L100] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 0) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L101] EXPR unsigned_long_int_Array_0[1][1] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L101] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L101] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967294) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L102] unsigned_long_int_Array_0[0][2] = __VERIFIER_nondet_ulong() [L103] EXPR unsigned_long_int_Array_0[0][2] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L103] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][2] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L103] RET assume_abort_if_not(unsigned_long_int_Array_0[0][2] >= 0) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L104] EXPR unsigned_long_int_Array_0[0][2] VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L104] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][2] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L104] RET assume_abort_if_not(unsigned_long_int_Array_0[0][2] <= 4294967294) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L117] RET updateVariables() [L118] CALL step() [L48] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar2_Pointer) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L48] COND FALSE !((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) [L51] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer) [L51] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer) [L51] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L51] COND FALSE !((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)) == ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) * (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) [L58] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer) [L58] (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) = (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)) [L60] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer) [L60] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L60] COND FALSE !(! ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)) < (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)))) [L63] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer) [L63] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L63] EXPR (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) [L63] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer) [L63] EXPR (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L63] (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) = (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))))) [L65] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer) [L65] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L65] COND FALSE !((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)) > (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer))) [L74] EXPR \read(*signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer) [L74] (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) = (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer)) [L118] RET step() [L119] CALL, EXPR property() [L109] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar2_Pointer) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1 [L109] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer) [L109] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer) [L109] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))) [L109] EXPR \read(*unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer) [L109] EXPR (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR ((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1 VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)) == ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) * (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) + (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) 32))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))))) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)) == ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) * (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) + (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) 32))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer))))) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR ((((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)) == ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) * (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) + (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) 32))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) && ((! ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)) < (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) < ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))))))) ? ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) : ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))))))))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))))))) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR ((((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)) == ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) * (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) + (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) 32))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) && ((! ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)) < (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) < ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))))))) ? ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) : ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))))))))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))))))) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR (((((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)) == ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) * (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) + (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) 32))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) && ((! ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)) < (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) < ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))))))) ? ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) : ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))))))))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))))))))) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)) > (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer))) ? ((63.1 >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer)) - (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer))))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer))))) : 1) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer))))) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109] EXPR (((((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)) == ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) * (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) + (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) 32))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) && ((! ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)) < (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) < ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))))))) ? ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) : ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))))))))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))))))))) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)) > (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer))) ? ((63.1 >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer)) - (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer))))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer))))) : 1) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer))))) VAL [float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L109-L110] return (((((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= 50.4f) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer))))))) : 1) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)) == ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer)) * (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer)) >= ((*(float_Array_0_arrayfloat_Array_0arrayVar1_Pointer)) + (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) 32))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer)))))) && ((! ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)) < (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) < ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))))))) ? ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) < ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer)))))) : ((((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer)))))))))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer)) == ((unsigned long int) (((((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) > ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)))) ? ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer))) : ((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer))))))))) && (((*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer)) > (*(unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer))) ? ((63.1 >= (*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer))) ? (((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)) >= (*(float_Array_0_arrayfloat_Array_0arrayVar2_Pointer))) ? ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer)) - (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer))))) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer))))) : 1) : ((*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer)) == ((signed short int) (*(signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer))))) ; [L119] RET, EXPR property() [L119] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] [L19] reach_error() VAL [\old(cond)=0, cond=0, float_Array_0={4:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={4:0}, float_Array_0_arrayfloat_Array_0arrayVar1_Pointer={4:4}, float_Array_0_arrayfloat_Array_0arrayVar2_Pointer={4:8}, isInitial=1, signed_short_int_Array_0={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var0_Pointer={5:0}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var1_Pointer={5:2}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var2_Pointer={5:4}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var3_Pointer={5:6}, signed_short_int_Array_0_arraysigned_short_int_Array_0Var4_Pointer={5:8}, unsigned_long_int_Array_0={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer={6:0}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer={6:12}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer={6:4}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer={6:16}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var4_Pointer={6:8}, unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var5_Pointer={6:20}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 118 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 4, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 677 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 677 mSDsluCounter, 1998 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1459 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 370 IncrementalHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 539 mSDtfsCounter, 370 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=201occurred in iteration=3, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 106 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 669 NumberOfCodeBlocks, 669 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 2881 SizeOfPredicates, 17 NumberOfNonLiveVariables, 1496 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1632/1632 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 02:06:20,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/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_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/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_e2a766ed-0ad5-4d5c-acc9-303a63765c19/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 fa1d009dc6f8eabe9542b3dc62739ce0106fb2669419cfdd51359ba01dfee168 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:06:22,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:06:22,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 02:06:22,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:06:23,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:06:23,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:06:23,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:06:23,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:06:23,031 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:06:23,032 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:06:23,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:06:23,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:06:23,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:06:23,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:06:23,035 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:06:23,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:06:23,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:06:23,036 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:06:23,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:06:23,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:06:23,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:06:23,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:06:23,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:06:23,039 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:06:23,039 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:06:23,040 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:06:23,040 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:06:23,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:06:23,041 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:06:23,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:06:23,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:06:23,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:06:23,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:06:23,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:06:23,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:06:23,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:06:23,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:06:23,044 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:06:23,044 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:06:23,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:06:23,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:06:23,045 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:06:23,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:06:23,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:06:23,045 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:06:23,045 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_e2a766ed-0ad5-4d5c-acc9-303a63765c19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa1d009dc6f8eabe9542b3dc62739ce0106fb2669419cfdd51359ba01dfee168 [2023-11-29 02:06:23,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:06:23,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:06:23,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:06:23,369 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:06:23,369 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:06:23,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i [2023-11-29 02:06:26,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:06:26,337 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:06:26,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i [2023-11-29 02:06:26,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/data/3e502f5a4/f917d2e437d544f787d0c9bfc6a657c8/FLAGf79262e89 [2023-11-29 02:06:26,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/data/3e502f5a4/f917d2e437d544f787d0c9bfc6a657c8 [2023-11-29 02:06:26,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:06:26,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:06:26,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:06:26,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:06:26,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:06:26,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:06:26" (1/1) ... [2023-11-29 02:06:26,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e7c55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:26, skipping insertion in model container [2023-11-29 02:06:26,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:06:26" (1/1) ... [2023-11-29 02:06:26,418 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:06:26,572 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_e2a766ed-0ad5-4d5c-acc9-303a63765c19/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i[917,930] [2023-11-29 02:06:26,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:06:26,659 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:06:26,672 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_e2a766ed-0ad5-4d5c-acc9-303a63765c19/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-91.i[917,930] [2023-11-29 02:06:26,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:06:26,737 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:06:26,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:26 WrapperNode [2023-11-29 02:06:26,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:06:26,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:06:26,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:06:26,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:06:26,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:26" (1/1) ... [2023-11-29 02:06:26,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:26" (1/1) ... [2023-11-29 02:06:26,807 INFO L138 Inliner]: procedures = 36, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 523 [2023-11-29 02:06:26,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:06:26,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:06:26,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:06:26,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:06:26,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:26" (1/1) ... [2023-11-29 02:06:26,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:26" (1/1) ... [2023-11-29 02:06:26,829 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:26" (1/1) ... [2023-11-29 02:06:26,854 INFO L175 MemorySlicer]: Split 158 memory accesses to 4 slices as follows [2, 32, 38, 86]. 54 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 3, 5, 6]. The 19 writes are split as follows [0, 3, 9, 7]. [2023-11-29 02:06:26,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:26" (1/1) ... [2023-11-29 02:06:26,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:26" (1/1) ... [2023-11-29 02:06:26,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:26" (1/1) ... [2023-11-29 02:06:26,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:26" (1/1) ... [2023-11-29 02:06:26,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:26" (1/1) ... [2023-11-29 02:06:26,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:26" (1/1) ... [2023-11-29 02:06:26,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:06:26,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:06:26,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:06:26,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:06:26,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:26" (1/1) ... [2023-11-29 02:06:26,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:06:26,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:06:26,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:06:26,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:06:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:06:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-29 02:06:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-29 02:06:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-11-29 02:06:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-11-29 02:06:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:06:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 02:06:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 02:06:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 02:06:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-29 02:06:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-29 02:06:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-11-29 02:06:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-11-29 02:06:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-29 02:06:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-29 02:06:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-29 02:06:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-29 02:06:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 02:06:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 02:06:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-29 02:06:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-29 02:06:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-29 02:06:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-29 02:06:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-11-29 02:06:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-11-29 02:06:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-29 02:06:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-29 02:06:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-29 02:06:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-29 02:06:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-29 02:06:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-29 02:06:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-11-29 02:06:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-11-29 02:06:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:06:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:06:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:06:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:06:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-29 02:06:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-29 02:06:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-11-29 02:06:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-11-29 02:06:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 02:06:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 02:06:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-29 02:06:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-29 02:06:27,142 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:06:27,144 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:06:28,324 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:06:28,385 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:06:28,386 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:06:28,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:06:28 BoogieIcfgContainer [2023-11-29 02:06:28,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:06:28,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:06:28,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:06:28,392 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:06:28,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:06:26" (1/3) ... [2023-11-29 02:06:28,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6786eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:06:28, skipping insertion in model container [2023-11-29 02:06:28,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:06:26" (2/3) ... [2023-11-29 02:06:28,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6786eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:06:28, skipping insertion in model container [2023-11-29 02:06:28,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:06:28" (3/3) ... [2023-11-29 02:06:28,395 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-91.i [2023-11-29 02:06:28,413 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:06:28,413 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:06:28,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:06:28,471 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;@2f1c7ab1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:06:28,471 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:06:28,476 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 98 states have (on average 1.4591836734693877) internal successors, (143), 99 states have internal predecessors, (143), 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 02:06:28,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 02:06:28,492 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:06:28,493 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] [2023-11-29 02:06:28,493 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:06:28,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:06:28,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1335321828, now seen corresponding path program 1 times [2023-11-29 02:06:28,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:06:28,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557411524] [2023-11-29 02:06:28,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:06:28,515 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 02:06:28,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:06:28,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:06:28,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:06:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:28,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:06:28,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:06:28,956 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-29 02:06:28,956 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:06:28,957 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:06:28,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557411524] [2023-11-29 02:06:28,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [557411524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:06:28,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:06:28,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:06:28,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783818420] [2023-11-29 02:06:28,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:06:28,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:06:28,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:06:28,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:06:28,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:06:28,997 INFO L87 Difference]: Start difference. First operand has 118 states, 98 states have (on average 1.4591836734693877) internal successors, (143), 99 states have internal predecessors, (143), 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 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 02:06:29,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:06:29,061 INFO L93 Difference]: Finished difference Result 233 states and 369 transitions. [2023-11-29 02:06:29,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:06:29,064 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 133 [2023-11-29 02:06:29,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:06:29,073 INFO L225 Difference]: With dead ends: 233 [2023-11-29 02:06:29,073 INFO L226 Difference]: Without dead ends: 116 [2023-11-29 02:06:29,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 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 02:06:29,081 INFO L413 NwaCegarLoop]: 168 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, 168 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 02:06:29,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:06:29,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-29 02:06:29,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-11-29 02:06:29,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 97 states have (on average 1.422680412371134) internal successors, (138), 97 states have internal predecessors, (138), 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 02:06:29,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 172 transitions. [2023-11-29 02:06:29,129 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 172 transitions. Word has length 133 [2023-11-29 02:06:29,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:06:29,130 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 172 transitions. [2023-11-29 02:06:29,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 02:06:29,130 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 172 transitions. [2023-11-29 02:06:29,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 02:06:29,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:06:29,134 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] [2023-11-29 02:06:29,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:06:29,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:06:29,337 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:06:29,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:06:29,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1147318018, now seen corresponding path program 1 times [2023-11-29 02:06:29,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:06:29,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627615484] [2023-11-29 02:06:29,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:06:29,339 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 02:06:29,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:06:29,340 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:06:29,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:06:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:29,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:06:29,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:06:29,681 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 02:06:29,682 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:06:29,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:06:29,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627615484] [2023-11-29 02:06:29,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1627615484] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:06:29,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:06:29,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:06:29,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074527248] [2023-11-29 02:06:29,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:06:29,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:06:29,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:06:29,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:06:29,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:06:29,687 INFO L87 Difference]: Start difference. First operand 116 states and 172 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 02:06:29,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:06:29,764 INFO L93 Difference]: Finished difference Result 261 states and 388 transitions. [2023-11-29 02:06:29,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:06:29,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 133 [2023-11-29 02:06:29,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:06:29,767 INFO L225 Difference]: With dead ends: 261 [2023-11-29 02:06:29,768 INFO L226 Difference]: Without dead ends: 146 [2023-11-29 02:06:29,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 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 02:06:29,770 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 54 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:06:29,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 487 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:06:29,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-29 02:06:29,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 118. [2023-11-29 02:06:29,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 99 states have (on average 1.4141414141414141) internal successors, (140), 99 states have internal predecessors, (140), 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 02:06:29,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 174 transitions. [2023-11-29 02:06:29,793 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 174 transitions. Word has length 133 [2023-11-29 02:06:29,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:06:29,795 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 174 transitions. [2023-11-29 02:06:29,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 02:06:29,795 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 174 transitions. [2023-11-29 02:06:29,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 02:06:29,799 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:06:29,799 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] [2023-11-29 02:06:29,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:06:29,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:06:30,000 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:06:30,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:06:30,001 INFO L85 PathProgramCache]: Analyzing trace with hash -665325428, now seen corresponding path program 1 times [2023-11-29 02:06:30,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:06:30,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1984051452] [2023-11-29 02:06:30,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:06:30,002 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 02:06:30,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:06:30,003 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:06:30,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:06:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:30,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 02:06:30,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:06:31,637 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 02:06:32,109 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 02:06:32,514 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 02:06:33,796 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 17 treesize of output 17 [2023-11-29 02:06:34,038 INFO L349 Elim1Store]: treesize reduction 31, result has 26.2 percent of original size [2023-11-29 02:06:34,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 40 [2023-11-29 02:06:34,208 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:06:34,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 35 [2023-11-29 02:06:34,262 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 02:06:34,263 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:06:38,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:06:38,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1984051452] [2023-11-29 02:06:38,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1984051452] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:06:38,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1169857114] [2023-11-29 02:06:38,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:06:38,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 02:06:38,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 02:06:38,751 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 02:06:38,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-29 02:06:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:39,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 02:06:39,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:06:40,868 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 02:06:41,375 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 02:06:41,832 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 02:06:43,781 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 0 case distinctions, treesize of input 34 treesize of output 32 [2023-11-29 02:06:44,167 INFO L349 Elim1Store]: treesize reduction 55, result has 21.4 percent of original size [2023-11-29 02:06:44,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 59 [2023-11-29 02:06:44,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 43 [2023-11-29 02:06:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 280 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2023-11-29 02:06:44,451 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:06:46,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1169857114] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:06:46,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:06:46,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2023-11-29 02:06:46,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812918274] [2023-11-29 02:06:46,195 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:06:46,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 02:06:46,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:06:46,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 02:06:46,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=309, Unknown=1, NotChecked=0, Total=380 [2023-11-29 02:06:46,198 INFO L87 Difference]: Start difference. First operand 118 states and 174 transitions. Second operand has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 13 states have internal predecessors, (107), 5 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) [2023-11-29 02:06:50,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:06:50,078 INFO L93 Difference]: Finished difference Result 434 states and 636 transitions. [2023-11-29 02:06:50,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:06:50,079 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 13 states have internal predecessors, (107), 5 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) Word has length 135 [2023-11-29 02:06:50,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:06:50,082 INFO L225 Difference]: With dead ends: 434 [2023-11-29 02:06:50,082 INFO L226 Difference]: Without dead ends: 317 [2023-11-29 02:06:50,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=318, Invalid=737, Unknown=1, NotChecked=0, Total=1056 [2023-11-29 02:06:50,084 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 2094 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:06:50,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2094 Valid, 1100 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 02:06:50,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2023-11-29 02:06:50,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 201. [2023-11-29 02:06:50,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 178 states have (on average 1.4382022471910112) internal successors, (256), 179 states have internal predecessors, (256), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 02:06:50,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 296 transitions. [2023-11-29 02:06:50,107 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 296 transitions. Word has length 135 [2023-11-29 02:06:50,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:06:50,108 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 296 transitions. [2023-11-29 02:06:50,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 13 states have internal predecessors, (107), 5 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) [2023-11-29 02:06:50,109 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 296 transitions. [2023-11-29 02:06:50,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 02:06:50,111 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:06:50,111 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] [2023-11-29 02:06:50,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:06:50,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-29 02:06:50,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 02:06:50,517 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:06:50,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:06:50,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1571900163, now seen corresponding path program 1 times [2023-11-29 02:06:50,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:06:50,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [8244163] [2023-11-29 02:06:50,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:06:50,518 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 02:06:50,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:06:50,519 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:06:50,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 02:06:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:50,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 02:06:50,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:06:52,636 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 70 treesize of output 34 [2023-11-29 02:06:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-29 02:06:52,703 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:06:53,349 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2023-11-29 02:06:53,349 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 87 treesize of output 48 [2023-11-29 02:06:53,527 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:06:53,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [8244163] [2023-11-29 02:06:53,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [8244163] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:06:53,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [40256368] [2023-11-29 02:06:53,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:06:53,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 02:06:53,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 02:06:53,529 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 02:06:53,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-29 02:06:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:54,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:06:54,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:06:54,255 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 46 treesize of output 22 [2023-11-29 02:06:54,318 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 02:06:54,319 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:06:54,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [40256368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:06:54,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:06:54,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2023-11-29 02:06:54,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785736845] [2023-11-29 02:06:54,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:06:54,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:06:54,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:06:54,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:06:54,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:06:54,320 INFO L87 Difference]: Start difference. First operand 201 states and 296 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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 02:06:56,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:06:56,308 INFO L93 Difference]: Finished difference Result 572 states and 843 transitions. [2023-11-29 02:06:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:06:56,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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 135 [2023-11-29 02:06:56,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:06:56,315 INFO L225 Difference]: With dead ends: 572 [2023-11-29 02:06:56,315 INFO L226 Difference]: Without dead ends: 372 [2023-11-29 02:06:56,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 371 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2023-11-29 02:06:56,317 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 161 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:06:56,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 585 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 02:06:56,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2023-11-29 02:06:56,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 242. [2023-11-29 02:06:56,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 219 states have (on average 1.45662100456621) internal successors, (319), 220 states have internal predecessors, (319), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 02:06:56,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 359 transitions. [2023-11-29 02:06:56,343 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 359 transitions. Word has length 135 [2023-11-29 02:06:56,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:06:56,343 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 359 transitions. [2023-11-29 02:06:56,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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 02:06:56,343 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 359 transitions. [2023-11-29 02:06:56,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-29 02:06:56,345 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:06:56,345 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 02:06:56,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-29 02:06:56,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 02:06:56,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:06:56,746 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:06:56,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:06:56,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1281269967, now seen corresponding path program 1 times [2023-11-29 02:06:56,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:06:56,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723889777] [2023-11-29 02:06:56,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:06:56,748 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 02:06:56,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:06:56,749 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:06:56,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:06:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:06:57,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 02:06:57,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:07:01,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2023-11-29 02:07:02,472 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:07:02,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 15 [2023-11-29 02:07:02,684 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 02:07:02,684 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:07:02,684 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:07:02,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [723889777] [2023-11-29 02:07:02,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [723889777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:07:02,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:07:02,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:07:02,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942670707] [2023-11-29 02:07:02,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:07:02,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:07:02,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:07:02,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:07:02,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:07:02,687 INFO L87 Difference]: Start difference. First operand 242 states and 359 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 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 02:07:09,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:07:14,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:07:18,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:07:23,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:07:23,521 INFO L93 Difference]: Finished difference Result 767 states and 1138 transitions. [2023-11-29 02:07:23,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:07:23,525 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 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 02:07:23,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:07:23,529 INFO L225 Difference]: With dead ends: 767 [2023-11-29 02:07:23,529 INFO L226 Difference]: Without dead ends: 526 [2023-11-29 02:07:23,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:07:23,531 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 323 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:07:23,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 790 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 555 Invalid, 3 Unknown, 0 Unchecked, 20.0s Time] [2023-11-29 02:07:23,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2023-11-29 02:07:23,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 408. [2023-11-29 02:07:23,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 371 states have (on average 1.4528301886792452) internal successors, (539), 374 states have internal predecessors, (539), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 29 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 02:07:23,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 603 transitions. [2023-11-29 02:07:23,573 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 603 transitions. Word has length 136 [2023-11-29 02:07:23,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:07:23,574 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 603 transitions. [2023-11-29 02:07:23,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 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 02:07:23,574 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 603 transitions. [2023-11-29 02:07:23,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-29 02:07:23,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:23,576 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] [2023-11-29 02:07:23,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Ended with exit code 0 [2023-11-29 02:07:23,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:07:23,776 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:23,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:23,777 INFO L85 PathProgramCache]: Analyzing trace with hash -291420473, now seen corresponding path program 1 times [2023-11-29 02:07:23,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:07:23,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92190760] [2023-11-29 02:07:23,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:23,777 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 02:07:23,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:07:23,778 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:07:23,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:07:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:24,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 02:07:24,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:07:28,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2023-11-29 02:07:29,361 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:07:29,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 16 [2023-11-29 02:07:29,566 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 02:07:29,566 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:07:29,566 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:07:29,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [92190760] [2023-11-29 02:07:29,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [92190760] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:07:29,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:07:29,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:07:29,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534893167] [2023-11-29 02:07:29,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:07:29,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:07:29,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:07:29,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:07:29,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:07:29,568 INFO L87 Difference]: Start difference. First operand 408 states and 603 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 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 02:07:33,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:07:37,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:07:41,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:07:45,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:07:49,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:07:53,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:07:58,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:08:02,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:08:06,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:08:11,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:08:16,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:08:20,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:08:24,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:08:24,070 INFO L93 Difference]: Finished difference Result 1015 states and 1499 transitions. [2023-11-29 02:08:24,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:08:24,073 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 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 137 [2023-11-29 02:08:24,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:08:24,076 INFO L225 Difference]: With dead ends: 1015 [2023-11-29 02:08:24,076 INFO L226 Difference]: Without dead ends: 608 [2023-11-29 02:08:24,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:08:24,077 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 453 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 12 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:08:24,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 435 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 315 Invalid, 12 Unknown, 0 Unchecked, 53.6s Time] [2023-11-29 02:08:24,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2023-11-29 02:08:24,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 430. [2023-11-29 02:08:24,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 393 states have (on average 1.450381679389313) internal successors, (570), 396 states have internal predecessors, (570), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 29 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 02:08:24,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 634 transitions. [2023-11-29 02:08:24,122 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 634 transitions. Word has length 137 [2023-11-29 02:08:24,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:08:24,123 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 634 transitions. [2023-11-29 02:08:24,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 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 02:08:24,123 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 634 transitions. [2023-11-29 02:08:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-29 02:08:24,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:08:24,125 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] [2023-11-29 02:08:24,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:08:24,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:08:24,326 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:08:24,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:08:24,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1568556920, now seen corresponding path program 1 times [2023-11-29 02:08:24,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:08:24,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003323128] [2023-11-29 02:08:24,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:08:24,327 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 02:08:24,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:08:24,328 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:08:24,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:08:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:24,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 02:08:24,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:08:26,297 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 70 treesize of output 34 [2023-11-29 02:08:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-29 02:08:26,364 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:08:26,906 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2023-11-29 02:08:26,906 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 87 treesize of output 48 [2023-11-29 02:08:27,074 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:08:27,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003323128] [2023-11-29 02:08:27,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1003323128] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:08:27,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1665918293] [2023-11-29 02:08:27,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:08:27,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 02:08:27,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 02:08:27,076 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 02:08:27,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-29 02:08:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:27,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 02:08:27,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:08:28,388 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 02:08:30,459 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 70 treesize of output 34 [2023-11-29 02:08:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-29 02:08:30,518 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:08:30,783 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 58 treesize of output 46 [2023-11-29 02:08:30,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1665918293] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:08:30,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:08:30,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-29 02:08:30,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769660257] [2023-11-29 02:08:30,976 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:08:30,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:08:30,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:08:30,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:08:30,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2023-11-29 02:08:30,977 INFO L87 Difference]: Start difference. First operand 430 states and 634 transitions. Second operand has 13 states, 13 states have (on average 7.076923076923077) internal successors, (92), 12 states have internal predecessors, (92), 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 02:08:34,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:08:34,860 INFO L93 Difference]: Finished difference Result 1205 states and 1768 transitions. [2023-11-29 02:08:34,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:08:34,861 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.076923076923077) internal successors, (92), 12 states have internal predecessors, (92), 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 137 [2023-11-29 02:08:34,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:08:34,865 INFO L225 Difference]: With dead ends: 1205 [2023-11-29 02:08:34,866 INFO L226 Difference]: Without dead ends: 776 [2023-11-29 02:08:34,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 489 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2023-11-29 02:08:34,867 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 607 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:08:34,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 1179 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 02:08:34,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2023-11-29 02:08:34,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 756. [2023-11-29 02:08:34,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 683 states have (on average 1.4333821376281113) internal successors, (979), 693 states have internal predecessors, (979), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 54 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-29 02:08:34,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1107 transitions. [2023-11-29 02:08:34,975 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1107 transitions. Word has length 137 [2023-11-29 02:08:34,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:08:34,976 INFO L495 AbstractCegarLoop]: Abstraction has 756 states and 1107 transitions. [2023-11-29 02:08:34,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.076923076923077) internal successors, (92), 12 states have internal predecessors, (92), 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 02:08:34,976 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1107 transitions. [2023-11-29 02:08:34,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-29 02:08:34,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:08:34,979 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] [2023-11-29 02:08:34,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-11-29 02:08:35,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-29 02:08:35,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:08:35,380 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:08:35,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:08:35,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1004407690, now seen corresponding path program 1 times [2023-11-29 02:08:35,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:08:35,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1069671267] [2023-11-29 02:08:35,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:08:35,381 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 02:08:35,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:08:35,382 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:08:35,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:08:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:35,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:08:35,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:08:35,636 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-29 02:08:35,636 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:08:35,636 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:08:35,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1069671267] [2023-11-29 02:08:35,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1069671267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:08:35,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:08:35,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:08:35,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226106216] [2023-11-29 02:08:35,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:08:35,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:08:35,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:08:35,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:08:35,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:08:35,638 INFO L87 Difference]: Start difference. First operand 756 states and 1107 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 02:08:35,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:08:35,778 INFO L93 Difference]: Finished difference Result 1525 states and 2235 transitions. [2023-11-29 02:08:35,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:08:35,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 137 [2023-11-29 02:08:35,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:08:35,784 INFO L225 Difference]: With dead ends: 1525 [2023-11-29 02:08:35,784 INFO L226 Difference]: Without dead ends: 770 [2023-11-29 02:08:35,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 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 02:08:35,787 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 7 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 501 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 02:08:35,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 501 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:08:35,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2023-11-29 02:08:35,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 756. [2023-11-29 02:08:35,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 683 states have (on average 1.4275256222547583) internal successors, (975), 693 states have internal predecessors, (975), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 54 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-29 02:08:35,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1103 transitions. [2023-11-29 02:08:35,888 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1103 transitions. Word has length 137 [2023-11-29 02:08:35,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:08:35,888 INFO L495 AbstractCegarLoop]: Abstraction has 756 states and 1103 transitions. [2023-11-29 02:08:35,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 02:08:35,889 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1103 transitions. [2023-11-29 02:08:35,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 02:08:35,891 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:08:35,891 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 02:08:35,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Ended with exit code 0 [2023-11-29 02:08:36,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:08:36,092 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:08:36,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:08:36,092 INFO L85 PathProgramCache]: Analyzing trace with hash 272509678, now seen corresponding path program 1 times [2023-11-29 02:08:36,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:08:36,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [437038447] [2023-11-29 02:08:36,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:08:36,093 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 02:08:36,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:08:36,094 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:08:36,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:08:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:36,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 02:08:36,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:08:37,486 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 02:08:37,849 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 02:08:38,349 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 02:08:40,098 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 0 case distinctions, treesize of input 26 treesize of output 28 [2023-11-29 02:08:40,373 INFO L349 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2023-11-29 02:08:40,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 51 [2023-11-29 02:08:40,564 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:08:40,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 39 [2023-11-29 02:08:40,652 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 40 proven. 280 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2023-11-29 02:08:40,653 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:08:41,221 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:08:41,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [437038447] [2023-11-29 02:08:41,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [437038447] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:08:41,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2116564197] [2023-11-29 02:08:41,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:08:41,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 02:08:41,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 02:08:41,222 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 02:08:41,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-11-29 02:08:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:42,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 02:08:42,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:08:43,494 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 02:08:44,002 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 02:08:44,522 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 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 02:08:46,391 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 0 case distinctions, treesize of input 34 treesize of output 32 [2023-11-29 02:08:46,767 INFO L349 Elim1Store]: treesize reduction 55, result has 21.4 percent of original size [2023-11-29 02:08:46,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 59 [2023-11-29 02:08:47,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 44 [2023-11-29 02:08:47,089 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 280 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-29 02:08:47,090 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:08:49,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2116564197] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:08:49,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:08:49,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 16 [2023-11-29 02:08:49,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143672894] [2023-11-29 02:08:49,193 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:08:49,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 02:08:49,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:08:49,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 02:08:49,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2023-11-29 02:08:49,196 INFO L87 Difference]: Start difference. First operand 756 states and 1103 transitions. Second operand has 17 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 16 states have internal predecessors, (118), 7 states have call successors, (34), 7 states have call predecessors, (34), 7 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) [2023-11-29 02:08:55,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:08:55,106 INFO L93 Difference]: Finished difference Result 2175 states and 3156 transitions. [2023-11-29 02:08:55,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 02:08:55,107 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 16 states have internal predecessors, (118), 7 states have call successors, (34), 7 states have call predecessors, (34), 7 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) Word has length 138 [2023-11-29 02:08:55,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:08:55,114 INFO L225 Difference]: With dead ends: 2175 [2023-11-29 02:08:55,115 INFO L226 Difference]: Without dead ends: 1420 [2023-11-29 02:08:55,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=547, Invalid=1259, Unknown=0, NotChecked=0, Total=1806 [2023-11-29 02:08:55,117 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 1398 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1398 SdHoareTripleChecker+Valid, 1563 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:08:55,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1398 Valid, 1563 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-29 02:08:55,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2023-11-29 02:08:55,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 760. [2023-11-29 02:08:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 687 states have (on average 1.4250363901018923) internal successors, (979), 697 states have internal predecessors, (979), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 54 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-29 02:08:55,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1107 transitions. [2023-11-29 02:08:55,237 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1107 transitions. Word has length 138 [2023-11-29 02:08:55,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:08:55,237 INFO L495 AbstractCegarLoop]: Abstraction has 760 states and 1107 transitions. [2023-11-29 02:08:55,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 16 states have internal predecessors, (118), 7 states have call successors, (34), 7 states have call predecessors, (34), 7 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) [2023-11-29 02:08:55,238 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1107 transitions. [2023-11-29 02:08:55,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 02:08:55,240 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:08:55,240 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 02:08:55,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-11-29 02:08:55,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:08:55,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:08:55,641 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:08:55,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:08:55,642 INFO L85 PathProgramCache]: Analyzing trace with hash -120517332, now seen corresponding path program 1 times [2023-11-29 02:08:55,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:08:55,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238071389] [2023-11-29 02:08:55,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:08:55,645 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 02:08:55,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:08:55,646 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:08:55,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:10:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:10:33,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 02:10:33,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:10:49,201 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:10:49,201 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 172 treesize of output 112 [2023-11-29 02:10:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-29 02:10:51,809 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:11:07,169 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 02:11:07,170 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:11:07,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1238071389] [2023-11-29 02:11:07,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1238071389] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 02:11:07,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:11:07,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2023-11-29 02:11:07,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777767023] [2023-11-29 02:11:07,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:11:07,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:11:07,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:11:07,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:11:07,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:11:07,171 INFO L87 Difference]: Start difference. First operand 760 states and 1107 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 02:11:09,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:11:34,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:11:40,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:11:40,346 INFO L93 Difference]: Finished difference Result 1917 states and 2793 transitions. [2023-11-29 02:11:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:11:40,371 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 02:11:40,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:11:40,377 INFO L225 Difference]: With dead ends: 1917 [2023-11-29 02:11:40,377 INFO L226 Difference]: Without dead ends: 1158 [2023-11-29 02:11:40,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 18.4s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2023-11-29 02:11:40,380 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 169 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:11:40,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 767 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 29.4s Time] [2023-11-29 02:11:40,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2023-11-29 02:11:40,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 811. [2023-11-29 02:11:40,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 738 states have (on average 1.4308943089430894) internal successors, (1056), 748 states have internal predecessors, (1056), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 54 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-29 02:11:40,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1184 transitions. [2023-11-29 02:11:40,505 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1184 transitions. Word has length 138 [2023-11-29 02:11:40,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:11:40,506 INFO L495 AbstractCegarLoop]: Abstraction has 811 states and 1184 transitions. [2023-11-29 02:11:40,506 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 02:11:40,506 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1184 transitions. [2023-11-29 02:11:40,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 02:11:40,509 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:11:40,509 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 02:11:40,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-29 02:11:40,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:11:40,710 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:11:40,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:11:40,710 INFO L85 PathProgramCache]: Analyzing trace with hash 491364396, now seen corresponding path program 1 times [2023-11-29 02:11:40,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:11:40,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644421195] [2023-11-29 02:11:40,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:11:40,711 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 02:11:40,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:11:40,712 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:11:40,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:13:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:04,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 02:13:04,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:13:14,641 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:14,642 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 173 treesize of output 113 [2023-11-29 02:13:16,338 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-29 02:13:16,338 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:13:29,682 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 02:13:29,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:13:29,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644421195] [2023-11-29 02:13:29,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644421195] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 02:13:29,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:13:29,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2023-11-29 02:13:29,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863840195] [2023-11-29 02:13:29,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:29,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:13:29,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:13:29,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:13:29,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:13:29,684 INFO L87 Difference]: Start difference. First operand 811 states and 1184 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 02:13:55,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:13:57,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:57,896 INFO L93 Difference]: Finished difference Result 1744 states and 2548 transitions. [2023-11-29 02:13:57,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:13:57,904 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 02:13:57,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:57,908 INFO L225 Difference]: With dead ends: 1744 [2023-11-29 02:13:57,908 INFO L226 Difference]: Without dead ends: 934 [2023-11-29 02:13:57,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2023-11-29 02:13:57,910 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 291 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:57,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 596 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 25.2s Time] [2023-11-29 02:13:57,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2023-11-29 02:13:58,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 811. [2023-11-29 02:13:58,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 738 states have (on average 1.4254742547425474) internal successors, (1052), 748 states have internal predecessors, (1052), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 54 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-29 02:13:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1180 transitions. [2023-11-29 02:13:58,013 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1180 transitions. Word has length 138 [2023-11-29 02:13:58,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:58,013 INFO L495 AbstractCegarLoop]: Abstraction has 811 states and 1180 transitions. [2023-11-29 02:13:58,013 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 02:13:58,014 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1180 transitions. [2023-11-29 02:13:58,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 02:13:58,016 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:58,016 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 02:13:58,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:13:58,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:13:58,220 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:13:58,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:58,221 INFO L85 PathProgramCache]: Analyzing trace with hash 98337386, now seen corresponding path program 1 times [2023-11-29 02:13:58,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:13:58,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1463141334] [2023-11-29 02:13:58,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:58,221 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 02:13:58,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:13:58,222 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:13:58,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:13:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:58,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 02:13:58,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:00,372 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 02:14:00,549 INFO L349 Elim1Store]: treesize reduction 23, result has 32.4 percent of original size [2023-11-29 02:14:00,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 32 [2023-11-29 02:14:00,661 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:00,661 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 46 treesize of output 30 [2023-11-29 02:14:00,735 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 02:14:00,735 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:14:00,735 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:14:00,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1463141334] [2023-11-29 02:14:00,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1463141334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:00,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:00,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:14:00,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451168825] [2023-11-29 02:14:00,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:00,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:14:00,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:14:00,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:14:00,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:14:00,737 INFO L87 Difference]: Start difference. First operand 811 states and 1180 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 8 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 02:14:02,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:02,843 INFO L93 Difference]: Finished difference Result 2061 states and 2976 transitions. [2023-11-29 02:14:02,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 02:14:02,844 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 8 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 02:14:02,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:02,850 INFO L225 Difference]: With dead ends: 2061 [2023-11-29 02:14:02,850 INFO L226 Difference]: Without dead ends: 1251 [2023-11-29 02:14:02,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2023-11-29 02:14:02,852 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 680 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 1584 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:02,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 1584 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 02:14:02,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2023-11-29 02:14:02,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 647. [2023-11-29 02:14:02,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 582 states have (on average 1.4140893470790379) internal successors, (823), 588 states have internal predecessors, (823), 56 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 50 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-29 02:14:02,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 935 transitions. [2023-11-29 02:14:02,961 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 935 transitions. Word has length 138 [2023-11-29 02:14:02,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:02,962 INFO L495 AbstractCegarLoop]: Abstraction has 647 states and 935 transitions. [2023-11-29 02:14:02,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 8 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 02:14:02,962 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 935 transitions. [2023-11-29 02:14:02,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-29 02:14:02,964 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:02,964 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 02:14:02,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:03,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:03,165 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:03,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:03,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1605552761, now seen corresponding path program 1 times [2023-11-29 02:14:03,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:14:03,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40384168] [2023-11-29 02:14:03,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:03,166 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 02:14:03,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:14:03,167 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:03,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:03,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 02:14:03,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:04,634 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 15 treesize of output 15 [2023-11-29 02:14:04,846 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:04,846 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 26 treesize of output 10 [2023-11-29 02:14:04,924 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 02:14:04,924 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:14:04,924 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:14:04,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40384168] [2023-11-29 02:14:04,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [40384168] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:04,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:04,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 02:14:04,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380555403] [2023-11-29 02:14:04,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:04,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:14:04,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:14:04,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:14:04,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:14:04,925 INFO L87 Difference]: Start difference. First operand 647 states and 935 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 9 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 02:14:06,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:06,462 INFO L93 Difference]: Finished difference Result 1548 states and 2216 transitions. [2023-11-29 02:14:06,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:14:06,463 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 9 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 02:14:06,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:06,468 INFO L225 Difference]: With dead ends: 1548 [2023-11-29 02:14:06,468 INFO L226 Difference]: Without dead ends: 926 [2023-11-29 02:14:06,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2023-11-29 02:14:06,470 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 427 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:06,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 1248 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 02:14:06,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2023-11-29 02:14:06,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 888. [2023-11-29 02:14:06,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 801 states have (on average 1.3957553058676655) internal successors, (1118), 810 states have internal predecessors, (1118), 74 states have call successors, (74), 12 states have call predecessors, (74), 12 states have return successors, (74), 65 states have call predecessors, (74), 74 states have call successors, (74) [2023-11-29 02:14:06,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1266 transitions. [2023-11-29 02:14:06,578 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1266 transitions. Word has length 139 [2023-11-29 02:14:06,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:06,578 INFO L495 AbstractCegarLoop]: Abstraction has 888 states and 1266 transitions. [2023-11-29 02:14:06,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 9 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 02:14:06,578 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1266 transitions. [2023-11-29 02:14:06,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-29 02:14:06,581 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:06,581 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 02:14:06,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Ended with exit code 0 [2023-11-29 02:14:06,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:06,782 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:06,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:06,782 INFO L85 PathProgramCache]: Analyzing trace with hash 796206135, now seen corresponding path program 1 times [2023-11-29 02:14:06,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:14:06,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826693769] [2023-11-29 02:14:06,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:06,783 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 02:14:06,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:14:06,784 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:06,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:07,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 02:14:07,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:09,668 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 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-29 02:14:10,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:10,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 13 [2023-11-29 02:14:10,087 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 02:14:10,087 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:14:10,088 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:14:10,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826693769] [2023-11-29 02:14:10,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826693769] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:10,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:10,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:14:10,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220856279] [2023-11-29 02:14:10,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:10,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:14:10,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:14:10,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:14:10,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:14:10,089 INFO L87 Difference]: Start difference. First operand 888 states and 1266 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 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 02:14:11,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:11,832 INFO L93 Difference]: Finished difference Result 1793 states and 2539 transitions. [2023-11-29 02:14:11,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:14:11,833 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), 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 02:14:11,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:11,837 INFO L225 Difference]: With dead ends: 1793 [2023-11-29 02:14:11,837 INFO L226 Difference]: Without dead ends: 930 [2023-11-29 02:14:11,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:14:11,839 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 363 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:11,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 784 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 02:14:11,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2023-11-29 02:14:11,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 868. [2023-11-29 02:14:11,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 781 states have (on average 1.3687580025608195) internal successors, (1069), 790 states have internal predecessors, (1069), 74 states have call successors, (74), 12 states have call predecessors, (74), 12 states have return successors, (74), 65 states have call predecessors, (74), 74 states have call successors, (74) [2023-11-29 02:14:11,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1217 transitions. [2023-11-29 02:14:11,949 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1217 transitions. Word has length 139 [2023-11-29 02:14:11,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:11,949 INFO L495 AbstractCegarLoop]: Abstraction has 868 states and 1217 transitions. [2023-11-29 02:14:11,950 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), 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 02:14:11,950 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1217 transitions. [2023-11-29 02:14:11,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-29 02:14:11,951 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:11,952 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 02:14:11,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:12,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:12,152 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:12,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:12,153 INFO L85 PathProgramCache]: Analyzing trace with hash 2028254587, now seen corresponding path program 1 times [2023-11-29 02:14:12,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:14:12,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615814105] [2023-11-29 02:14:12,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:12,153 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 02:14:12,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:14:12,154 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:12,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:12,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 02:14:12,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:14,900 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 0 case distinctions, treesize of input 28 treesize of output 19 [2023-11-29 02:14:15,113 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:15,113 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 27 treesize of output 11 [2023-11-29 02:14:15,139 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 02:14:15,139 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:14:15,140 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:14:15,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [615814105] [2023-11-29 02:14:15,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [615814105] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:15,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:15,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:14:15,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036713584] [2023-11-29 02:14:15,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:15,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:14:15,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:14:15,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:14:15,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:14:15,142 INFO L87 Difference]: Start difference. First operand 868 states and 1217 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 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 02:14:16,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:16,223 INFO L93 Difference]: Finished difference Result 1757 states and 2457 transitions. [2023-11-29 02:14:16,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:14:16,224 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 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 02:14:16,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:16,229 INFO L225 Difference]: With dead ends: 1757 [2023-11-29 02:14:16,229 INFO L226 Difference]: Without dead ends: 914 [2023-11-29 02:14:16,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:14:16,231 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 361 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:16,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 546 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 02:14:16,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2023-11-29 02:14:16,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 868. [2023-11-29 02:14:16,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 781 states have (on average 1.3661971830985915) internal successors, (1067), 790 states have internal predecessors, (1067), 74 states have call successors, (74), 12 states have call predecessors, (74), 12 states have return successors, (74), 65 states have call predecessors, (74), 74 states have call successors, (74) [2023-11-29 02:14:16,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1215 transitions. [2023-11-29 02:14:16,371 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1215 transitions. Word has length 139 [2023-11-29 02:14:16,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:16,372 INFO L495 AbstractCegarLoop]: Abstraction has 868 states and 1215 transitions. [2023-11-29 02:14:16,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 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 02:14:16,372 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1215 transitions. [2023-11-29 02:14:16,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-29 02:14:16,375 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:16,375 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] [2023-11-29 02:14:16,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:16,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:16,576 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:16,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:16,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1218907961, now seen corresponding path program 1 times [2023-11-29 02:14:16,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:14:16,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1351145535] [2023-11-29 02:14:16,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:16,578 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 02:14:16,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:14:16,578 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:16,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:16,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 02:14:16,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:18,227 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 15 treesize of output 15 [2023-11-29 02:14:18,456 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:18,456 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 26 treesize of output 10 [2023-11-29 02:14:18,535 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 02:14:18,536 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:14:18,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:14:18,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1351145535] [2023-11-29 02:14:18,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1351145535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:18,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:18,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 02:14:18,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490529041] [2023-11-29 02:14:18,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:18,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:14:18,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:14:18,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:14:18,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:14:18,538 INFO L87 Difference]: Start difference. First operand 868 states and 1215 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 9 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 02:14:20,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:20,215 INFO L93 Difference]: Finished difference Result 1767 states and 2465 transitions. [2023-11-29 02:14:20,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 02:14:20,216 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 9 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 02:14:20,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:20,219 INFO L225 Difference]: With dead ends: 1767 [2023-11-29 02:14:20,219 INFO L226 Difference]: Without dead ends: 924 [2023-11-29 02:14:20,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2023-11-29 02:14:20,221 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 297 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:20,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 1493 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 02:14:20,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2023-11-29 02:14:20,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 778. [2023-11-29 02:14:20,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 699 states have (on average 1.3590844062947067) internal successors, (950), 705 states have internal predecessors, (950), 68 states have call successors, (68), 10 states have call predecessors, (68), 10 states have return successors, (68), 62 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-29 02:14:20,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1086 transitions. [2023-11-29 02:14:20,316 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1086 transitions. Word has length 139 [2023-11-29 02:14:20,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:20,316 INFO L495 AbstractCegarLoop]: Abstraction has 778 states and 1086 transitions. [2023-11-29 02:14:20,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 9 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 02:14:20,316 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1086 transitions. [2023-11-29 02:14:20,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-29 02:14:20,319 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:20,319 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 02:14:20,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Ended with exit code 0 [2023-11-29 02:14:20,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:20,519 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:20,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:20,520 INFO L85 PathProgramCache]: Analyzing trace with hash -414270642, now seen corresponding path program 1 times [2023-11-29 02:14:20,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:14:20,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511587826] [2023-11-29 02:14:20,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:20,520 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 02:14:20,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:14:20,521 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:20,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:20,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 02:14:20,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:23,082 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 15 treesize of output 15 [2023-11-29 02:14:23,280 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 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-29 02:14:23,400 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:23,400 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 26 treesize of output 10 [2023-11-29 02:14:23,465 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 02:14:23,465 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:14:23,465 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:14:23,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511587826] [2023-11-29 02:14:23,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511587826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:23,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:23,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 02:14:23,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075908816] [2023-11-29 02:14:23,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:23,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:14:23,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:14:23,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:14:23,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:14:23,467 INFO L87 Difference]: Start difference. First operand 778 states and 1086 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 9 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 02:14:25,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:25,884 INFO L93 Difference]: Finished difference Result 2138 states and 2961 transitions. [2023-11-29 02:14:25,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:14:25,885 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 9 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 02:14:25,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:25,892 INFO L225 Difference]: With dead ends: 2138 [2023-11-29 02:14:25,892 INFO L226 Difference]: Without dead ends: 1417 [2023-11-29 02:14:25,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2023-11-29 02:14:25,894 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 535 mSDsluCounter, 1226 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:25,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 1506 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 02:14:25,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1417 states. [2023-11-29 02:14:26,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1417 to 1035. [2023-11-29 02:14:26,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 950 states have (on average 1.3673684210526316) internal successors, (1299), 958 states have internal predecessors, (1299), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 64 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-29 02:14:26,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1443 transitions. [2023-11-29 02:14:26,064 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1443 transitions. Word has length 139 [2023-11-29 02:14:26,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:26,064 INFO L495 AbstractCegarLoop]: Abstraction has 1035 states and 1443 transitions. [2023-11-29 02:14:26,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 9 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 02:14:26,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1443 transitions. [2023-11-29 02:14:26,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-29 02:14:26,067 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:26,067 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 02:14:26,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Ended with exit code 0 [2023-11-29 02:14:26,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:26,268 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:26,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:26,268 INFO L85 PathProgramCache]: Analyzing trace with hash 286793936, now seen corresponding path program 1 times [2023-11-29 02:14:26,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:14:26,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1890076049] [2023-11-29 02:14:26,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:26,269 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 02:14:26,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:14:26,270 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:26,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:26,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 02:14:26,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:29,088 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 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-29 02:14:29,178 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:29,179 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 26 treesize of output 10 [2023-11-29 02:14:29,201 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 02:14:29,202 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:14:29,202 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:14:29,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1890076049] [2023-11-29 02:14:29,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1890076049] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:29,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:29,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:14:29,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909627158] [2023-11-29 02:14:29,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:29,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:14:29,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:14:29,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:14:29,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:14:29,203 INFO L87 Difference]: Start difference. First operand 1035 states and 1443 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 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 02:14:30,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:30,683 INFO L93 Difference]: Finished difference Result 2269 states and 3141 transitions. [2023-11-29 02:14:30,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:14:30,684 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 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 02:14:30,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:30,689 INFO L225 Difference]: With dead ends: 2269 [2023-11-29 02:14:30,689 INFO L226 Difference]: Without dead ends: 1291 [2023-11-29 02:14:30,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:14:30,690 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 303 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:30,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 747 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 02:14:30,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2023-11-29 02:14:30,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1013. [2023-11-29 02:14:30,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 928 states have (on average 1.3545258620689655) internal successors, (1257), 936 states have internal predecessors, (1257), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 64 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-29 02:14:30,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1401 transitions. [2023-11-29 02:14:30,802 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1401 transitions. Word has length 139 [2023-11-29 02:14:30,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:30,802 INFO L495 AbstractCegarLoop]: Abstraction has 1013 states and 1401 transitions. [2023-11-29 02:14:30,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 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 02:14:30,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1401 transitions. [2023-11-29 02:14:30,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-29 02:14:30,804 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:30,804 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 02:14:30,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:31,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:31,005 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:31,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:31,005 INFO L85 PathProgramCache]: Analyzing trace with hash 2075258320, now seen corresponding path program 1 times [2023-11-29 02:14:31,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:14:31,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [184435913] [2023-11-29 02:14:31,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:31,006 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 02:14:31,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:14:31,007 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:31,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2023-11-29 02:14:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:31,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 02:14:31,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:33,684 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 0 case distinctions, treesize of input 28 treesize of output 19 [2023-11-29 02:14:33,764 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:33,764 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 27 treesize of output 11 [2023-11-29 02:14:33,788 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 02:14:33,788 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:14:33,788 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:14:33,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [184435913] [2023-11-29 02:14:33,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [184435913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:33,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:33,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:14:33,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966420204] [2023-11-29 02:14:33,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:33,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:14:33,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:14:33,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:14:33,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:14:33,789 INFO L87 Difference]: Start difference. First operand 1013 states and 1401 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 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 02:14:34,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:34,806 INFO L93 Difference]: Finished difference Result 1904 states and 2631 transitions. [2023-11-29 02:14:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:14:34,807 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 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 02:14:34,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:34,811 INFO L225 Difference]: With dead ends: 1904 [2023-11-29 02:14:34,811 INFO L226 Difference]: Without dead ends: 948 [2023-11-29 02:14:34,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:14:34,813 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 246 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:34,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 465 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 02:14:34,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2023-11-29 02:14:34,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 946. [2023-11-29 02:14:34,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 861 states have (on average 1.348432055749129) internal successors, (1161), 869 states have internal predecessors, (1161), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 64 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-29 02:14:34,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1305 transitions. [2023-11-29 02:14:34,971 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1305 transitions. Word has length 139 [2023-11-29 02:14:34,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:34,971 INFO L495 AbstractCegarLoop]: Abstraction has 946 states and 1305 transitions. [2023-11-29 02:14:34,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 6 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 02:14:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1305 transitions. [2023-11-29 02:14:34,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 02:14:34,973 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:34,974 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 02:14:34,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2023-11-29 02:14:35,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:35,174 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:35,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:35,175 INFO L85 PathProgramCache]: Analyzing trace with hash 327005006, now seen corresponding path program 1 times [2023-11-29 02:14:35,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:14:35,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690951901] [2023-11-29 02:14:35,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:35,176 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 02:14:35,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:14:35,177 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:35,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:35,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 02:14:35,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:37,283 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 02:14:39,579 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 33 treesize of output 17 [2023-11-29 02:14:39,752 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 26 treesize of output 21 [2023-11-29 02:14:40,148 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:40,148 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 59 treesize of output 35 [2023-11-29 02:14:40,227 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 28 proven. 288 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2023-11-29 02:14:40,227 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:40,454 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 02:14:40,454 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:14:40,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690951901] [2023-11-29 02:14:40,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1690951901] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 02:14:40,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:14:40,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2023-11-29 02:14:40,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604846022] [2023-11-29 02:14:40,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:40,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:14:40,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:14:40,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:14:40,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:14:40,456 INFO L87 Difference]: Start difference. First operand 946 states and 1305 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 02:14:41,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:41,484 INFO L93 Difference]: Finished difference Result 1405 states and 1911 transitions. [2023-11-29 02:14:41,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:14:41,485 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 02:14:41,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:41,490 INFO L225 Difference]: With dead ends: 1405 [2023-11-29 02:14:41,490 INFO L226 Difference]: Without dead ends: 1403 [2023-11-29 02:14:41,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2023-11-29 02:14:41,491 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 98 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:41,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 917 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 02:14:41,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2023-11-29 02:14:41,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 1233. [2023-11-29 02:14:41,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1233 states, 1148 states have (on average 1.3310104529616724) internal successors, (1528), 1156 states have internal predecessors, (1528), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 64 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-29 02:14:41,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1672 transitions. [2023-11-29 02:14:41,619 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1672 transitions. Word has length 141 [2023-11-29 02:14:41,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:41,620 INFO L495 AbstractCegarLoop]: Abstraction has 1233 states and 1672 transitions. [2023-11-29 02:14:41,620 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 02:14:41,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1672 transitions. [2023-11-29 02:14:41,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 02:14:41,621 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:41,621 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 02:14:41,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:41,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:41,822 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:14:41,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:41,823 INFO L85 PathProgramCache]: Analyzing trace with hash -642126844, now seen corresponding path program 1 times [2023-11-29 02:14:41,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:14:41,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232197273] [2023-11-29 02:14:41,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:41,823 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 02:14:41,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:14:41,825 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:41,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:14:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:42,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 02:14:42,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:48,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2023-11-29 02:14:49,332 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:49,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 15 [2023-11-29 02:14:49,581 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 02:14:49,581 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:14:49,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:14:49,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232197273] [2023-11-29 02:14:49,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232197273] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:49,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:49,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:14:49,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318734045] [2023-11-29 02:14:49,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:49,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:14:49,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:14:49,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:14:49,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:14:49,583 INFO L87 Difference]: Start difference. First operand 1233 states and 1672 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) 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 02:14:56,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:15:00,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:15:05,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:15:11,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:15:11,781 INFO L93 Difference]: Finished difference Result 3079 states and 4195 transitions. [2023-11-29 02:15:11,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:15:11,785 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) 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 02:15:11,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:15:11,792 INFO L225 Difference]: With dead ends: 3079 [2023-11-29 02:15:11,792 INFO L226 Difference]: Without dead ends: 1903 [2023-11-29 02:15:11,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:15:11,793 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 305 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:15:11,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 830 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 564 Invalid, 3 Unknown, 0 Unchecked, 21.1s Time] [2023-11-29 02:15:11,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1903 states. [2023-11-29 02:15:11,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1903 to 1265. [2023-11-29 02:15:11,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1265 states, 1180 states have (on average 1.3203389830508474) internal successors, (1558), 1188 states have internal predecessors, (1558), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 64 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-29 02:15:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1702 transitions. [2023-11-29 02:15:11,919 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1702 transitions. Word has length 141 [2023-11-29 02:15:11,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:15:11,920 INFO L495 AbstractCegarLoop]: Abstraction has 1265 states and 1702 transitions. [2023-11-29 02:15:11,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) 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 02:15:11,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1702 transitions. [2023-11-29 02:15:11,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 02:15:11,921 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:15:11,922 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 02:15:11,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Ended with exit code 0 [2023-11-29 02:15:12,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:15:12,122 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:15:12,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:12,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1039898430, now seen corresponding path program 1 times [2023-11-29 02:15:12,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:15:12,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130249281] [2023-11-29 02:15:12,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:12,123 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 02:15:12,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:15:12,124 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:15:12,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:15:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:12,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 02:15:12,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:15:18,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2023-11-29 02:15:19,556 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:19,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 16 [2023-11-29 02:15:19,800 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 02:15:19,800 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:15:19,800 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:15:19,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130249281] [2023-11-29 02:15:19,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130249281] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:15:19,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:15:19,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:15:19,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023613704] [2023-11-29 02:15:19,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:15:19,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:15:19,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:15:19,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:15:19,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:15:19,802 INFO L87 Difference]: Start difference. First operand 1265 states and 1702 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 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 02:15:23,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:15:27,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:15:32,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:15:36,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:15:40,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:15:44,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:15:48,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:15:52,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:15:56,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:16:01,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:16:05,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:16:10,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 02:16:15,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:16:15,070 INFO L93 Difference]: Finished difference Result 2827 states and 3808 transitions. [2023-11-29 02:16:15,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:16:15,073 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 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 02:16:15,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:16:15,078 INFO L225 Difference]: With dead ends: 2827 [2023-11-29 02:16:15,078 INFO L226 Difference]: Without dead ends: 1619 [2023-11-29 02:16:15,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:16:15,080 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 498 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 12 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:16:15,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 501 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 343 Invalid, 12 Unknown, 0 Unchecked, 54.2s Time] [2023-11-29 02:16:15,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2023-11-29 02:16:15,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1067. [2023-11-29 02:16:15,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1067 states, 1002 states have (on average 1.3043912175648702) internal successors, (1307), 1007 states have internal predecessors, (1307), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:16:15,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1415 transitions. [2023-11-29 02:16:15,175 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1415 transitions. Word has length 142 [2023-11-29 02:16:15,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:16:15,176 INFO L495 AbstractCegarLoop]: Abstraction has 1067 states and 1415 transitions. [2023-11-29 02:16:15,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 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 02:16:15,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1415 transitions. [2023-11-29 02:16:15,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 02:16:15,177 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:15,177 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 02:16:15,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:15,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:15,378 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:15,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:15,378 INFO L85 PathProgramCache]: Analyzing trace with hash 173381438, now seen corresponding path program 1 times [2023-11-29 02:16:15,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:16:15,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192354133] [2023-11-29 02:16:15,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:15,379 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 02:16:15,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:16:15,380 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:15,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:15,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 02:16:15,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:16:15,895 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-11-29 02:16:15,896 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 26 treesize of output 19 [2023-11-29 02:16:15,991 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 02:16:15,991 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:16:15,991 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:16:15,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1192354133] [2023-11-29 02:16:15,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1192354133] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:15,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:15,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 02:16:15,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555963058] [2023-11-29 02:16:15,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:15,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:16:15,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:16:15,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:16:15,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:16:15,993 INFO L87 Difference]: Start difference. First operand 1067 states and 1415 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 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 02:16:17,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:16:17,783 INFO L93 Difference]: Finished difference Result 2281 states and 3021 transitions. [2023-11-29 02:16:17,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 02:16:17,784 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 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 02:16:17,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:16:17,791 INFO L225 Difference]: With dead ends: 2281 [2023-11-29 02:16:17,791 INFO L226 Difference]: Without dead ends: 1256 [2023-11-29 02:16:17,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2023-11-29 02:16:17,793 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 153 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1681 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:16:17,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1681 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 02:16:17,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2023-11-29 02:16:17,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1064. [2023-11-29 02:16:17,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 999 states have (on average 1.3023023023023024) internal successors, (1301), 1004 states have internal predecessors, (1301), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:16:17,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1409 transitions. [2023-11-29 02:16:17,895 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1409 transitions. Word has length 142 [2023-11-29 02:16:17,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:16:17,896 INFO L495 AbstractCegarLoop]: Abstraction has 1064 states and 1409 transitions. [2023-11-29 02:16:17,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 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 02:16:17,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1409 transitions. [2023-11-29 02:16:17,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 02:16:17,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:17,897 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 02:16:17,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:18,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:18,098 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:18,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:18,098 INFO L85 PathProgramCache]: Analyzing trace with hash -827049376, now seen corresponding path program 1 times [2023-11-29 02:16:18,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:16:18,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188579190] [2023-11-29 02:16:18,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:18,099 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 02:16:18,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:16:18,100 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:18,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:18,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 02:16:18,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:16:18,400 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 02:16:18,400 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:16:18,400 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:16:18,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188579190] [2023-11-29 02:16:18,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [188579190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:18,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:18,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:16:18,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686716962] [2023-11-29 02:16:18,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:18,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:16:18,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:16:18,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:16:18,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:16:18,402 INFO L87 Difference]: Start difference. First operand 1064 states and 1409 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 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 02:16:18,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:16:18,589 INFO L93 Difference]: Finished difference Result 1081 states and 1428 transitions. [2023-11-29 02:16:18,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:16:18,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 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 02:16:18,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:16:18,595 INFO L225 Difference]: With dead ends: 1081 [2023-11-29 02:16:18,595 INFO L226 Difference]: Without dead ends: 1079 [2023-11-29 02:16:18,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:16:18,596 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 13 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:16:18,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 818 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:16:18,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2023-11-29 02:16:18,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 1067. [2023-11-29 02:16:18,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1067 states, 1002 states have (on average 1.3013972055888223) internal successors, (1304), 1007 states have internal predecessors, (1304), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:16:18,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1412 transitions. [2023-11-29 02:16:18,710 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1412 transitions. Word has length 143 [2023-11-29 02:16:18,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:16:18,710 INFO L495 AbstractCegarLoop]: Abstraction has 1067 states and 1412 transitions. [2023-11-29 02:16:18,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 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 02:16:18,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1412 transitions. [2023-11-29 02:16:18,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 02:16:18,712 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:18,713 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 02:16:18,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:18,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:18,913 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:18,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:18,914 INFO L85 PathProgramCache]: Analyzing trace with hash -680390922, now seen corresponding path program 1 times [2023-11-29 02:16:18,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:16:18,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1711699759] [2023-11-29 02:16:18,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:18,914 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 02:16:18,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:16:18,915 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:18,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:19,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 02:16:19,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:16:21,710 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 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-29 02:16:21,923 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:16:21,923 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 26 treesize of output 10 [2023-11-29 02:16:21,951 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 02:16:21,952 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:16:21,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:16:21,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1711699759] [2023-11-29 02:16:21,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1711699759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:21,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:21,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 02:16:21,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838610239] [2023-11-29 02:16:21,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:21,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:16:21,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:16:21,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:16:21,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:16:21,953 INFO L87 Difference]: Start difference. First operand 1067 states and 1412 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 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 02:16:23,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:16:23,840 INFO L93 Difference]: Finished difference Result 2661 states and 3548 transitions. [2023-11-29 02:16:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:16:23,841 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 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 02:16:23,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:16:23,847 INFO L225 Difference]: With dead ends: 2661 [2023-11-29 02:16:23,847 INFO L226 Difference]: Without dead ends: 1651 [2023-11-29 02:16:23,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:16:23,848 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 284 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:16:23,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 891 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 02:16:23,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2023-11-29 02:16:23,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1342. [2023-11-29 02:16:23,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 1277 states have (on average 1.3241973375097886) internal successors, (1691), 1282 states have internal predecessors, (1691), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:16:23,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1799 transitions. [2023-11-29 02:16:23,956 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1799 transitions. Word has length 144 [2023-11-29 02:16:23,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:16:23,956 INFO L495 AbstractCegarLoop]: Abstraction has 1342 states and 1799 transitions. [2023-11-29 02:16:23,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 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 02:16:23,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1799 transitions. [2023-11-29 02:16:23,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 02:16:23,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:23,959 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 02:16:23,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:24,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:24,159 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:24,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:24,160 INFO L85 PathProgramCache]: Analyzing trace with hash -618351308, now seen corresponding path program 1 times [2023-11-29 02:16:24,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:16:24,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347882102] [2023-11-29 02:16:24,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:24,160 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 02:16:24,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:16:24,161 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:24,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:24,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 02:16:24,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:16:24,611 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-29 02:16:24,611 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 39 treesize of output 15 [2023-11-29 02:16:24,678 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 02:16:24,678 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:16:24,679 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:16:24,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347882102] [2023-11-29 02:16:24,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347882102] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:24,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:24,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:16:24,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517405143] [2023-11-29 02:16:24,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:24,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:16:24,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:16:24,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:16:24,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:16:24,680 INFO L87 Difference]: Start difference. First operand 1342 states and 1799 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 02:16:25,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:16:25,861 INFO L93 Difference]: Finished difference Result 2641 states and 3532 transitions. [2023-11-29 02:16:25,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:16:25,862 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 02:16:25,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:16:25,867 INFO L225 Difference]: With dead ends: 2641 [2023-11-29 02:16:25,867 INFO L226 Difference]: Without dead ends: 1356 [2023-11-29 02:16:25,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:16:25,868 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 77 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:16:25,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 615 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 02:16:25,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2023-11-29 02:16:25,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1342. [2023-11-29 02:16:25,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 1277 states have (on average 1.3148003132341426) internal successors, (1679), 1282 states have internal predecessors, (1679), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:16:25,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1787 transitions. [2023-11-29 02:16:25,990 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1787 transitions. Word has length 144 [2023-11-29 02:16:25,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:16:25,991 INFO L495 AbstractCegarLoop]: Abstraction has 1342 states and 1787 transitions. [2023-11-29 02:16:25,991 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 02:16:25,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1787 transitions. [2023-11-29 02:16:25,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 02:16:25,992 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:25,993 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 02:16:25,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Ended with exit code 0 [2023-11-29 02:16:26,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:26,193 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:26,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:26,194 INFO L85 PathProgramCache]: Analyzing trace with hash -399496590, now seen corresponding path program 1 times [2023-11-29 02:16:26,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:16:26,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435302066] [2023-11-29 02:16:26,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:26,194 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 02:16:26,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:16:26,195 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:26,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:26,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 02:16:26,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:16:29,322 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 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 02:16:29,729 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:16:29,729 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 39 treesize of output 15 [2023-11-29 02:16:29,793 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 02:16:29,793 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:16:29,793 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:16:29,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435302066] [2023-11-29 02:16:29,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1435302066] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:29,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:29,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 02:16:29,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061728737] [2023-11-29 02:16:29,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:29,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:16:29,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:16:29,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:16:29,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:16:29,795 INFO L87 Difference]: Start difference. First operand 1342 states and 1787 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 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 02:16:32,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:16:32,141 INFO L93 Difference]: Finished difference Result 2841 states and 3792 transitions. [2023-11-29 02:16:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:16:32,142 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 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 02:16:32,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:16:32,146 INFO L225 Difference]: With dead ends: 2841 [2023-11-29 02:16:32,146 INFO L226 Difference]: Without dead ends: 1556 [2023-11-29 02:16:32,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:16:32,148 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 250 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:16:32,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 727 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 02:16:32,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2023-11-29 02:16:32,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1020. [2023-11-29 02:16:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 955 states have (on average 1.3162303664921466) internal successors, (1257), 960 states have internal predecessors, (1257), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:16:32,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1365 transitions. [2023-11-29 02:16:32,252 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1365 transitions. Word has length 144 [2023-11-29 02:16:32,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:16:32,252 INFO L495 AbstractCegarLoop]: Abstraction has 1020 states and 1365 transitions. [2023-11-29 02:16:32,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 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 02:16:32,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1365 transitions. [2023-11-29 02:16:32,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 02:16:32,254 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:32,254 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 02:16:32,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:32,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:32,455 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:32,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:32,455 INFO L85 PathProgramCache]: Analyzing trace with hash 727731448, now seen corresponding path program 1 times [2023-11-29 02:16:32,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:16:32,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [616523349] [2023-11-29 02:16:32,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:32,456 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 02:16:32,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:16:32,457 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:32,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:32,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 02:16:32,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:16:35,291 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 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-29 02:16:35,742 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:16:35,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 13 [2023-11-29 02:16:35,778 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 02:16:35,778 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:16:35,778 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:16:35,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [616523349] [2023-11-29 02:16:35,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [616523349] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:35,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:35,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:16:35,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502490258] [2023-11-29 02:16:35,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:35,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:16:35,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:16:35,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:16:35,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:16:35,780 INFO L87 Difference]: Start difference. First operand 1020 states and 1365 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 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 02:16:37,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:16:37,672 INFO L93 Difference]: Finished difference Result 2214 states and 2959 transitions. [2023-11-29 02:16:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:16:37,673 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 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 02:16:37,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:16:37,677 INFO L225 Difference]: With dead ends: 2214 [2023-11-29 02:16:37,677 INFO L226 Difference]: Without dead ends: 1251 [2023-11-29 02:16:37,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:16:37,678 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 230 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:16:37,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 925 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 02:16:37,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2023-11-29 02:16:37,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1029. [2023-11-29 02:16:37,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 964 states have (on average 1.316390041493776) internal successors, (1269), 969 states have internal predecessors, (1269), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:16:37,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1377 transitions. [2023-11-29 02:16:37,781 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1377 transitions. Word has length 144 [2023-11-29 02:16:37,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:16:37,782 INFO L495 AbstractCegarLoop]: Abstraction has 1029 states and 1377 transitions. [2023-11-29 02:16:37,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 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 02:16:37,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1377 transitions. [2023-11-29 02:16:37,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 02:16:37,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:37,784 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 02:16:37,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:37,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:37,985 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:37,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:37,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1428796026, now seen corresponding path program 1 times [2023-11-29 02:16:37,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:16:37,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016946654] [2023-11-29 02:16:37,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:37,986 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 02:16:37,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:16:37,986 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:37,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:38,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:16:38,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:16:38,352 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:16:38,352 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 27 treesize of output 23 [2023-11-29 02:16:38,374 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 02:16:38,374 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:16:38,374 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:16:38,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016946654] [2023-11-29 02:16:38,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016946654] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:38,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:38,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:16:38,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249409352] [2023-11-29 02:16:38,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:38,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:16:38,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:16:38,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:16:38,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:16:38,376 INFO L87 Difference]: Start difference. First operand 1029 states and 1377 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 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 02:16:39,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:16:39,080 INFO L93 Difference]: Finished difference Result 2361 states and 3157 transitions. [2023-11-29 02:16:39,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:16:39,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 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 02:16:39,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:16:39,083 INFO L225 Difference]: With dead ends: 2361 [2023-11-29 02:16:39,084 INFO L226 Difference]: Without dead ends: 1389 [2023-11-29 02:16:39,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:16:39,085 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 185 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:16:39,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 739 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 02:16:39,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2023-11-29 02:16:39,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1041. [2023-11-29 02:16:39,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 976 states have (on average 1.3186475409836065) internal successors, (1287), 981 states have internal predecessors, (1287), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:16:39,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1395 transitions. [2023-11-29 02:16:39,182 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1395 transitions. Word has length 144 [2023-11-29 02:16:39,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:16:39,182 INFO L495 AbstractCegarLoop]: Abstraction has 1041 states and 1395 transitions. [2023-11-29 02:16:39,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 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 02:16:39,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1395 transitions. [2023-11-29 02:16:39,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 02:16:39,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:39,184 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 02:16:39,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:39,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:39,385 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:39,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:39,385 INFO L85 PathProgramCache]: Analyzing trace with hash 2108854396, now seen corresponding path program 1 times [2023-11-29 02:16:39,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:16:39,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994829749] [2023-11-29 02:16:39,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:39,386 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 02:16:39,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:16:39,387 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:39,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:39,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 02:16:39,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:16:40,947 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 15 treesize of output 15 [2023-11-29 02:16:41,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:16:41,206 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 26 treesize of output 10 [2023-11-29 02:16:41,309 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 02:16:41,309 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:16:41,309 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:16:41,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994829749] [2023-11-29 02:16:41,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994829749] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:41,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:41,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 02:16:41,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996042490] [2023-11-29 02:16:41,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:41,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 02:16:41,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:16:41,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 02:16:41,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:16:41,310 INFO L87 Difference]: Start difference. First operand 1041 states and 1395 transitions. Second operand has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 10 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 02:16:42,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:16:42,986 INFO L93 Difference]: Finished difference Result 2289 states and 3055 transitions. [2023-11-29 02:16:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 02:16:42,987 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 10 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 02:16:42,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:16:42,989 INFO L225 Difference]: With dead ends: 2289 [2023-11-29 02:16:42,989 INFO L226 Difference]: Without dead ends: 1305 [2023-11-29 02:16:42,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2023-11-29 02:16:42,991 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 373 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:16:42,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 1496 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 02:16:42,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2023-11-29 02:16:43,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1053. [2023-11-29 02:16:43,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 988 states have (on average 1.3178137651821862) internal successors, (1302), 993 states have internal predecessors, (1302), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:16:43,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1410 transitions. [2023-11-29 02:16:43,110 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1410 transitions. Word has length 144 [2023-11-29 02:16:43,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:16:43,110 INFO L495 AbstractCegarLoop]: Abstraction has 1053 states and 1410 transitions. [2023-11-29 02:16:43,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 10 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 02:16:43,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1410 transitions. [2023-11-29 02:16:43,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 02:16:43,112 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:43,112 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 02:16:43,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:43,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:43,313 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:43,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:43,313 INFO L85 PathProgramCache]: Analyzing trace with hash -515752573, now seen corresponding path program 1 times [2023-11-29 02:16:43,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:16:43,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [728907340] [2023-11-29 02:16:43,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:43,314 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 02:16:43,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:16:43,314 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:43,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:43,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 02:16:43,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:16:45,994 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 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-29 02:16:46,276 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 02:16:46,276 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:16:46,276 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:16:46,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [728907340] [2023-11-29 02:16:46,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [728907340] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:46,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:46,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:16:46,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028896662] [2023-11-29 02:16:46,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:46,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:16:46,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:16:46,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:16:46,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:16:46,278 INFO L87 Difference]: Start difference. First operand 1053 states and 1410 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) 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 02:16:47,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:16:47,234 INFO L93 Difference]: Finished difference Result 2256 states and 3004 transitions. [2023-11-29 02:16:47,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:16:47,235 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) 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 02:16:47,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:16:47,237 INFO L225 Difference]: With dead ends: 2256 [2023-11-29 02:16:47,237 INFO L226 Difference]: Without dead ends: 1170 [2023-11-29 02:16:47,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:16:47,238 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 279 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:16:47,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 439 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 02:16:47,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2023-11-29 02:16:47,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1017. [2023-11-29 02:16:47,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1017 states, 952 states have (on average 1.2983193277310925) internal successors, (1236), 957 states have internal predecessors, (1236), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:16:47,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 1017 states and 1344 transitions. [2023-11-29 02:16:47,337 INFO L78 Accepts]: Start accepts. Automaton has 1017 states and 1344 transitions. Word has length 144 [2023-11-29 02:16:47,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:16:47,338 INFO L495 AbstractCegarLoop]: Abstraction has 1017 states and 1344 transitions. [2023-11-29 02:16:47,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) 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 02:16:47,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1344 transitions. [2023-11-29 02:16:47,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 02:16:47,339 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:47,339 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 02:16:47,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:47,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:47,540 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:47,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:47,540 INFO L85 PathProgramCache]: Analyzing trace with hash 2133180951, now seen corresponding path program 1 times [2023-11-29 02:16:47,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:16:47,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290032138] [2023-11-29 02:16:47,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:47,541 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 02:16:47,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:16:47,541 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:47,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:47,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 02:16:47,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:16:50,254 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 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-29 02:16:50,401 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:16:50,401 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 38 treesize of output 14 [2023-11-29 02:16:50,404 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 02:16:50,404 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:16:50,405 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:16:50,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1290032138] [2023-11-29 02:16:50,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1290032138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:50,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:50,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:16:50,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723586356] [2023-11-29 02:16:50,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:50,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:16:50,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:16:50,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:16:50,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:16:50,411 INFO L87 Difference]: Start difference. First operand 1017 states and 1344 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) 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 02:16:51,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:16:51,366 INFO L93 Difference]: Finished difference Result 1817 states and 2383 transitions. [2023-11-29 02:16:51,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:16:51,367 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) 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 02:16:51,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:16:51,369 INFO L225 Difference]: With dead ends: 1817 [2023-11-29 02:16:51,369 INFO L226 Difference]: Without dead ends: 857 [2023-11-29 02:16:51,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:16:51,370 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 113 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:16:51,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 399 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 02:16:51,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2023-11-29 02:16:51,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 857. [2023-11-29 02:16:51,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 792 states have (on average 1.2727272727272727) internal successors, (1008), 797 states have internal predecessors, (1008), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:16:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1116 transitions. [2023-11-29 02:16:51,463 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1116 transitions. Word has length 144 [2023-11-29 02:16:51,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:16:51,463 INFO L495 AbstractCegarLoop]: Abstraction has 857 states and 1116 transitions. [2023-11-29 02:16:51,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) 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 02:16:51,464 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1116 transitions. [2023-11-29 02:16:51,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 02:16:51,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:51,465 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, 1, 1] [2023-11-29 02:16:51,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:51,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:51,665 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:51,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:51,666 INFO L85 PathProgramCache]: Analyzing trace with hash 922643283, now seen corresponding path program 1 times [2023-11-29 02:16:51,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:16:51,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714978842] [2023-11-29 02:16:51,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:51,666 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 02:16:51,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:16:51,667 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:51,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:52,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 02:16:52,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:16:54,701 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 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-29 02:16:54,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:16:54,811 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 26 treesize of output 10 [2023-11-29 02:16:54,841 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 02:16:54,841 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:16:54,841 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:16:54,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714978842] [2023-11-29 02:16:54,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [714978842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:54,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:54,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 02:16:54,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881649575] [2023-11-29 02:16:54,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:54,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:16:54,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:16:54,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:16:54,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:16:54,843 INFO L87 Difference]: Start difference. First operand 857 states and 1116 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 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 02:16:56,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:16:56,901 INFO L93 Difference]: Finished difference Result 2084 states and 2719 transitions. [2023-11-29 02:16:56,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:16:56,902 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 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 02:16:56,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:16:56,904 INFO L225 Difference]: With dead ends: 2084 [2023-11-29 02:16:56,904 INFO L226 Difference]: Without dead ends: 1284 [2023-11-29 02:16:56,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:16:56,905 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 267 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:16:56,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 924 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 02:16:56,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2023-11-29 02:16:56,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 899. [2023-11-29 02:16:56,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 834 states have (on average 1.2805755395683454) internal successors, (1068), 839 states have internal predecessors, (1068), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:16:57,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1176 transitions. [2023-11-29 02:16:57,001 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1176 transitions. Word has length 144 [2023-11-29 02:16:57,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:16:57,001 INFO L495 AbstractCegarLoop]: Abstraction has 899 states and 1176 transitions. [2023-11-29 02:16:57,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 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 02:16:57,001 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1176 transitions. [2023-11-29 02:16:57,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 02:16:57,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:16:57,003 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 02:16:57,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:57,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:57,203 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:16:57,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:57,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1623707861, now seen corresponding path program 1 times [2023-11-29 02:16:57,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:16:57,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217652310] [2023-11-29 02:16:57,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:57,204 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 02:16:57,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:16:57,205 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:57,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:16:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:57,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 02:16:57,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:16:59,794 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 15 treesize of output 15 [2023-11-29 02:17:00,097 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 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-29 02:17:00,214 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:17:00,215 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 26 treesize of output 10 [2023-11-29 02:17:00,276 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 02:17:00,276 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:17:00,276 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:00,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217652310] [2023-11-29 02:17:00,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1217652310] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:00,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:00,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 02:17:00,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711462835] [2023-11-29 02:17:00,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:00,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:17:00,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:00,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:17:00,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:17:00,277 INFO L87 Difference]: Start difference. First operand 899 states and 1176 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 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 02:17:02,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:17:02,609 INFO L93 Difference]: Finished difference Result 2067 states and 2682 transitions. [2023-11-29 02:17:02,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:17:02,610 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 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 02:17:02,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:17:02,612 INFO L225 Difference]: With dead ends: 2067 [2023-11-29 02:17:02,612 INFO L226 Difference]: Without dead ends: 1225 [2023-11-29 02:17:02,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2023-11-29 02:17:02,613 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 433 mSDsluCounter, 1225 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:17:02,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 1501 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 02:17:02,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2023-11-29 02:17:02,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 966. [2023-11-29 02:17:02,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 901 states have (on average 1.2763596004439512) internal successors, (1150), 906 states have internal predecessors, (1150), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:17:02,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1258 transitions. [2023-11-29 02:17:02,712 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1258 transitions. Word has length 144 [2023-11-29 02:17:02,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:17:02,712 INFO L495 AbstractCegarLoop]: Abstraction has 966 states and 1258 transitions. [2023-11-29 02:17:02,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 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 02:17:02,712 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1258 transitions. [2023-11-29 02:17:02,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 02:17:02,714 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:17:02,714 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 02:17:02,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:02,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:02,915 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:17:02,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:02,915 INFO L85 PathProgramCache]: Analyzing trace with hash -852646705, now seen corresponding path program 1 times [2023-11-29 02:17:02,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:17:02,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692953154] [2023-11-29 02:17:02,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:02,916 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 02:17:02,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:17:02,917 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:02,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:03,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 02:17:03,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:06,171 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 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 02:17:06,376 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:17:06,376 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 39 treesize of output 15 [2023-11-29 02:17:06,440 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 02:17:06,440 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:17:06,441 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:06,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [692953154] [2023-11-29 02:17:06,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [692953154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:06,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:06,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 02:17:06,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299735565] [2023-11-29 02:17:06,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:06,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:17:06,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:06,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:17:06,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:17:06,442 INFO L87 Difference]: Start difference. First operand 966 states and 1258 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 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 02:17:08,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:17:08,937 INFO L93 Difference]: Finished difference Result 2336 states and 3027 transitions. [2023-11-29 02:17:08,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:17:08,938 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 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 02:17:08,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:17:08,940 INFO L225 Difference]: With dead ends: 2336 [2023-11-29 02:17:08,940 INFO L226 Difference]: Without dead ends: 1427 [2023-11-29 02:17:08,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:17:08,941 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 275 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:17:08,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 788 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 02:17:08,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2023-11-29 02:17:09,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 900. [2023-11-29 02:17:09,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 835 states have (on average 1.259880239520958) internal successors, (1052), 840 states have internal predecessors, (1052), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:17:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1160 transitions. [2023-11-29 02:17:09,055 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1160 transitions. Word has length 144 [2023-11-29 02:17:09,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:17:09,055 INFO L495 AbstractCegarLoop]: Abstraction has 900 states and 1160 transitions. [2023-11-29 02:17:09,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 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 02:17:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1160 transitions. [2023-11-29 02:17:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 02:17:09,057 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:17:09,057 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 02:17:09,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Ended with exit code 0 [2023-11-29 02:17:09,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:09,258 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:17:09,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:09,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1824335387, now seen corresponding path program 1 times [2023-11-29 02:17:09,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:17:09,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738247633] [2023-11-29 02:17:09,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:09,259 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 02:17:09,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:17:09,259 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:09,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:09,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 02:17:09,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:10,263 INFO L349 Elim1Store]: treesize reduction 18, result has 51.4 percent of original size [2023-11-29 02:17:10,263 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 49 treesize of output 35 [2023-11-29 02:17:10,311 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 02:17:10,311 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:17:10,311 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:10,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738247633] [2023-11-29 02:17:10,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738247633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:10,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:10,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 02:17:10,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024759628] [2023-11-29 02:17:10,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:10,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:17:10,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:10,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:17:10,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:17:10,313 INFO L87 Difference]: Start difference. First operand 900 states and 1160 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 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 02:17:14,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:17:14,333 INFO L93 Difference]: Finished difference Result 1946 states and 2503 transitions. [2023-11-29 02:17:14,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 02:17:14,334 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 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 02:17:14,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:17:14,336 INFO L225 Difference]: With dead ends: 1946 [2023-11-29 02:17:14,336 INFO L226 Difference]: Without dead ends: 1103 [2023-11-29 02:17:14,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-29 02:17:14,337 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 203 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:17:14,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 846 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 02:17:14,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2023-11-29 02:17:14,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 915. [2023-11-29 02:17:14,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 850 states have (on average 1.255294117647059) internal successors, (1067), 855 states have internal predecessors, (1067), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:17:14,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1175 transitions. [2023-11-29 02:17:14,439 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1175 transitions. Word has length 145 [2023-11-29 02:17:14,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:17:14,440 INFO L495 AbstractCegarLoop]: Abstraction has 915 states and 1175 transitions. [2023-11-29 02:17:14,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 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 02:17:14,440 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1175 transitions. [2023-11-29 02:17:14,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 02:17:14,444 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:17:14,444 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 02:17:14,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:14,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:14,644 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:17:14,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:14,645 INFO L85 PathProgramCache]: Analyzing trace with hash -912224603, now seen corresponding path program 1 times [2023-11-29 02:17:14,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:17:14,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533630744] [2023-11-29 02:17:14,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:14,645 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 02:17:14,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:17:14,646 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:14,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:15,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 02:17:15,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:15,407 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-29 02:17:15,407 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 38 treesize of output 14 [2023-11-29 02:17:15,436 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 02:17:15,437 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:17:15,437 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:15,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533630744] [2023-11-29 02:17:15,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [533630744] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:15,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:15,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 02:17:15,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385214157] [2023-11-29 02:17:15,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:15,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:17:15,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:15,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:17:15,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:17:15,438 INFO L87 Difference]: Start difference. First operand 915 states and 1175 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 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 02:17:17,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:17:17,248 INFO L93 Difference]: Finished difference Result 1938 states and 2486 transitions. [2023-11-29 02:17:17,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 02:17:17,249 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 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 02:17:17,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:17:17,250 INFO L225 Difference]: With dead ends: 1938 [2023-11-29 02:17:17,250 INFO L226 Difference]: Without dead ends: 1080 [2023-11-29 02:17:17,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:17:17,252 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 122 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:17:17,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 842 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 02:17:17,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2023-11-29 02:17:17,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 903. [2023-11-29 02:17:17,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 838 states have (on average 1.2589498806682577) internal successors, (1055), 843 states have internal predecessors, (1055), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:17:17,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1163 transitions. [2023-11-29 02:17:17,355 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1163 transitions. Word has length 145 [2023-11-29 02:17:17,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:17:17,355 INFO L495 AbstractCegarLoop]: Abstraction has 903 states and 1163 transitions. [2023-11-29 02:17:17,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 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 02:17:17,355 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1163 transitions. [2023-11-29 02:17:17,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:17:17,357 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:17:17,357 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 02:17:17,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:17,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:17,557 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:17:17,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:17,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1848029541, now seen corresponding path program 1 times [2023-11-29 02:17:17,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:17:17,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [52418795] [2023-11-29 02:17:17,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:17,558 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 02:17:17,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:17:17,559 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:17,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:17,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 02:17:17,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:20,415 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 0 case distinctions, treesize of input 28 treesize of output 19 [2023-11-29 02:17:20,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:17:20,656 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 27 treesize of output 11 [2023-11-29 02:17:20,678 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 02:17:20,678 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:17:20,678 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:20,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [52418795] [2023-11-29 02:17:20,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [52418795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:20,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:20,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:17:20,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454528476] [2023-11-29 02:17:20,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:20,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:17:20,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:20,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:17:20,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:17:20,680 INFO L87 Difference]: Start difference. First operand 903 states and 1163 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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 02:17:21,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:17:21,937 INFO L93 Difference]: Finished difference Result 2304 states and 2978 transitions. [2023-11-29 02:17:21,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:17:21,938 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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 02:17:21,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:17:21,940 INFO L225 Difference]: With dead ends: 2304 [2023-11-29 02:17:21,940 INFO L226 Difference]: Without dead ends: 1458 [2023-11-29 02:17:21,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:17:21,941 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 387 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:17:21,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 629 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 02:17:21,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2023-11-29 02:17:22,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1173. [2023-11-29 02:17:22,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1108 states have (on average 1.263537906137184) internal successors, (1400), 1113 states have internal predecessors, (1400), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:17:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1508 transitions. [2023-11-29 02:17:22,047 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1508 transitions. Word has length 149 [2023-11-29 02:17:22,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:17:22,047 INFO L495 AbstractCegarLoop]: Abstraction has 1173 states and 1508 transitions. [2023-11-29 02:17:22,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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 02:17:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1508 transitions. [2023-11-29 02:17:22,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:17:22,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:17:22,049 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 02:17:22,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Ended with exit code 0 [2023-11-29 02:17:22,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:22,250 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:17:22,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:22,250 INFO L85 PathProgramCache]: Analyzing trace with hash -466906593, now seen corresponding path program 1 times [2023-11-29 02:17:22,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:17:22,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1988859683] [2023-11-29 02:17:22,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:22,251 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 02:17:22,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:17:22,254 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:22,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:22,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 02:17:22,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:25,158 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 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-29 02:17:25,424 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:17:25,424 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 26 treesize of output 10 [2023-11-29 02:17:25,450 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 02:17:25,451 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:17:25,451 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:25,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1988859683] [2023-11-29 02:17:25,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1988859683] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:25,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:25,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:17:25,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613961746] [2023-11-29 02:17:25,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:25,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:17:25,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:25,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:17:25,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:17:25,453 INFO L87 Difference]: Start difference. First operand 1173 states and 1508 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:17:27,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:17:27,164 INFO L93 Difference]: Finished difference Result 2979 states and 3821 transitions. [2023-11-29 02:17:27,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 02:17:27,165 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:17:27,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:17:27,167 INFO L225 Difference]: With dead ends: 2979 [2023-11-29 02:17:27,167 INFO L226 Difference]: Without dead ends: 1863 [2023-11-29 02:17:27,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-11-29 02:17:27,169 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 462 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:17:27,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 889 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 02:17:27,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1863 states. [2023-11-29 02:17:27,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1863 to 1395. [2023-11-29 02:17:27,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1395 states, 1330 states have (on average 1.2488721804511278) internal successors, (1661), 1335 states have internal predecessors, (1661), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:17:27,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1769 transitions. [2023-11-29 02:17:27,320 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1769 transitions. Word has length 149 [2023-11-29 02:17:27,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:17:27,320 INFO L495 AbstractCegarLoop]: Abstraction has 1395 states and 1769 transitions. [2023-11-29 02:17:27,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:17:27,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1769 transitions. [2023-11-29 02:17:27,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:17:27,323 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:17:27,323 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 02:17:27,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:27,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:27,524 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:17:27,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:27,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1203453734, now seen corresponding path program 1 times [2023-11-29 02:17:27,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:17:27,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158483777] [2023-11-29 02:17:27,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:27,525 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 02:17:27,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:17:27,525 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:27,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:27,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 02:17:27,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:29,183 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 15 treesize of output 15 [2023-11-29 02:17:29,451 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:17:29,451 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 26 treesize of output 10 [2023-11-29 02:17:29,553 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 02:17:29,554 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:17:29,554 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:29,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [158483777] [2023-11-29 02:17:29,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [158483777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:29,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:29,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 02:17:29,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192903416] [2023-11-29 02:17:29,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:29,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 02:17:29,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:29,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 02:17:29,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:17:29,555 INFO L87 Difference]: Start difference. First operand 1395 states and 1769 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 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 02:17:31,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:17:31,433 INFO L93 Difference]: Finished difference Result 3468 states and 4379 transitions. [2023-11-29 02:17:31,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 02:17:31,433 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 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 02:17:31,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:17:31,437 INFO L225 Difference]: With dead ends: 3468 [2023-11-29 02:17:31,437 INFO L226 Difference]: Without dead ends: 2130 [2023-11-29 02:17:31,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2023-11-29 02:17:31,439 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 409 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:17:31,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 1205 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 02:17:31,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2023-11-29 02:17:31,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 1893. [2023-11-29 02:17:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1893 states, 1828 states have (on average 1.236870897155361) internal successors, (2261), 1833 states have internal predecessors, (2261), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:17:31,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1893 states and 2369 transitions. [2023-11-29 02:17:31,623 INFO L78 Accepts]: Start accepts. Automaton has 1893 states and 2369 transitions. Word has length 149 [2023-11-29 02:17:31,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:17:31,623 INFO L495 AbstractCegarLoop]: Abstraction has 1893 states and 2369 transitions. [2023-11-29 02:17:31,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 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 02:17:31,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2369 transitions. [2023-11-29 02:17:31,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:17:31,627 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:17:31,627 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 02:17:31,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Ended with exit code 0 [2023-11-29 02:17:31,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:31,827 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:17:31,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:31,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1883512104, now seen corresponding path program 1 times [2023-11-29 02:17:31,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:17:31,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1807115919] [2023-11-29 02:17:31,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:31,828 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 02:17:31,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:17:31,829 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:31,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:32,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 02:17:32,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:32,321 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-11-29 02:17:32,322 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 26 treesize of output 19 [2023-11-29 02:17:32,346 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 02:17:32,346 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:17:32,346 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:32,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1807115919] [2023-11-29 02:17:32,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1807115919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:32,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:32,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:17:32,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690455143] [2023-11-29 02:17:32,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:32,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:17:32,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:32,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:17:32,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:17:32,348 INFO L87 Difference]: Start difference. First operand 1893 states and 2369 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 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 02:17:33,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:17:33,515 INFO L93 Difference]: Finished difference Result 4161 states and 5240 transitions. [2023-11-29 02:17:33,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:17:33,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 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 02:17:33,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:17:33,519 INFO L225 Difference]: With dead ends: 4161 [2023-11-29 02:17:33,519 INFO L226 Difference]: Without dead ends: 2325 [2023-11-29 02:17:33,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:17:33,520 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 223 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:17:33,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 842 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 02:17:33,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2325 states. [2023-11-29 02:17:33,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2325 to 1965. [2023-11-29 02:17:33,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1965 states, 1900 states have (on average 1.246842105263158) internal successors, (2369), 1905 states have internal predecessors, (2369), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:17:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2477 transitions. [2023-11-29 02:17:33,641 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2477 transitions. Word has length 149 [2023-11-29 02:17:33,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:17:33,642 INFO L495 AbstractCegarLoop]: Abstraction has 1965 states and 2477 transitions. [2023-11-29 02:17:33,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 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 02:17:33,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2477 transitions. [2023-11-29 02:17:33,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:17:33,644 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:17:33,644 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 02:17:33,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:33,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:33,845 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:17:33,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:33,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1053712607, now seen corresponding path program 1 times [2023-11-29 02:17:33,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:17:33,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032875195] [2023-11-29 02:17:33,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:33,846 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 02:17:33,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:17:33,847 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:33,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:34,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 02:17:34,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:36,811 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 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-29 02:17:37,087 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:17:37,087 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 38 treesize of output 14 [2023-11-29 02:17:37,117 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 02:17:37,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:17:37,117 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:37,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2032875195] [2023-11-29 02:17:37,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2032875195] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:37,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:37,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 02:17:37,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217575782] [2023-11-29 02:17:37,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:37,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:17:37,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:37,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:17:37,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:17:37,118 INFO L87 Difference]: Start difference. First operand 1965 states and 2477 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 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 02:17:38,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:17:38,591 INFO L93 Difference]: Finished difference Result 4593 states and 5774 transitions. [2023-11-29 02:17:38,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:17:38,592 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 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 02:17:38,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:17:38,595 INFO L225 Difference]: With dead ends: 4593 [2023-11-29 02:17:38,595 INFO L226 Difference]: Without dead ends: 2685 [2023-11-29 02:17:38,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:17:38,597 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 328 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:17:38,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 747 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 02:17:38,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2023-11-29 02:17:38,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2358. [2023-11-29 02:17:38,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2358 states, 2293 states have (on average 1.2228521587440035) internal successors, (2804), 2298 states have internal predecessors, (2804), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:17:38,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 2358 states and 2912 transitions. [2023-11-29 02:17:38,729 INFO L78 Accepts]: Start accepts. Automaton has 2358 states and 2912 transitions. Word has length 149 [2023-11-29 02:17:38,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:17:38,729 INFO L495 AbstractCegarLoop]: Abstraction has 2358 states and 2912 transitions. [2023-11-29 02:17:38,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 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 02:17:38,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 2912 transitions. [2023-11-29 02:17:38,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:17:38,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:17:38,732 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 02:17:38,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:38,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:38,932 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:17:38,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:38,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1168285528, now seen corresponding path program 1 times [2023-11-29 02:17:38,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:17:38,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675694953] [2023-11-29 02:17:38,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:38,933 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 02:17:38,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:17:38,934 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:38,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:39,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 02:17:39,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:39,399 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-11-29 02:17:39,399 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 26 treesize of output 19 [2023-11-29 02:17:39,426 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 02:17:39,426 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:17:39,426 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:39,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1675694953] [2023-11-29 02:17:39,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1675694953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:39,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:39,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:17:39,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301211839] [2023-11-29 02:17:39,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:39,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:17:39,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:39,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:17:39,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:17:39,427 INFO L87 Difference]: Start difference. First operand 2358 states and 2912 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 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 02:17:40,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:17:40,180 INFO L93 Difference]: Finished difference Result 4428 states and 5480 transitions. [2023-11-29 02:17:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:17:40,181 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 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 02:17:40,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:17:40,184 INFO L225 Difference]: With dead ends: 4428 [2023-11-29 02:17:40,184 INFO L226 Difference]: Without dead ends: 2127 [2023-11-29 02:17:40,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:17:40,186 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 32 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:17:40,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 638 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 02:17:40,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2023-11-29 02:17:40,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 2127. [2023-11-29 02:17:40,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2127 states, 2062 states have (on average 1.2230843840931134) internal successors, (2522), 2067 states have internal predecessors, (2522), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:17:40,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 2630 transitions. [2023-11-29 02:17:40,314 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 2630 transitions. Word has length 149 [2023-11-29 02:17:40,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:17:40,314 INFO L495 AbstractCegarLoop]: Abstraction has 2127 states and 2630 transitions. [2023-11-29 02:17:40,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 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 02:17:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2630 transitions. [2023-11-29 02:17:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:17:40,317 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:17:40,318 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 02:17:40,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:40,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:40,518 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:17:40,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:40,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1879201622, now seen corresponding path program 1 times [2023-11-29 02:17:40,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:17:40,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919016583] [2023-11-29 02:17:40,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:40,519 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 02:17:40,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:17:40,520 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:40,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2023-11-29 02:17:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:40,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:17:40,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:40,930 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:17:40,931 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 27 treesize of output 23 [2023-11-29 02:17:40,953 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 02:17:40,953 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:17:40,953 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:40,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919016583] [2023-11-29 02:17:40,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919016583] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:40,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:40,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:17:40,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339899707] [2023-11-29 02:17:40,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:40,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:17:40,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:40,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:17:40,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:17:40,955 INFO L87 Difference]: Start difference. First operand 2127 states and 2630 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 02:17:41,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:17:41,482 INFO L93 Difference]: Finished difference Result 4242 states and 5225 transitions. [2023-11-29 02:17:41,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:17:41,483 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 02:17:41,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:17:41,485 INFO L225 Difference]: With dead ends: 4242 [2023-11-29 02:17:41,485 INFO L226 Difference]: Without dead ends: 2172 [2023-11-29 02:17:41,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:17:41,487 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 27 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:17:41,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 537 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 02:17:41,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2023-11-29 02:17:41,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 2127. [2023-11-29 02:17:41,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2127 states, 2062 states have (on average 1.2143549951503394) internal successors, (2504), 2067 states have internal predecessors, (2504), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:17:41,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 2612 transitions. [2023-11-29 02:17:41,629 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 2612 transitions. Word has length 149 [2023-11-29 02:17:41,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:17:41,630 INFO L495 AbstractCegarLoop]: Abstraction has 2127 states and 2612 transitions. [2023-11-29 02:17:41,630 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 02:17:41,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2612 transitions. [2023-11-29 02:17:41,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:17:41,633 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:17:41,634 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 02:17:41,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Forceful destruction successful, exit code 0 [2023-11-29 02:17:41,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:41,834 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:17:41,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:41,834 INFO L85 PathProgramCache]: Analyzing trace with hash -492537640, now seen corresponding path program 1 times [2023-11-29 02:17:41,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:17:41,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [217488043] [2023-11-29 02:17:41,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:41,835 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 02:17:41,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:17:41,836 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:41,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:42,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 02:17:42,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:43,521 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 15 treesize of output 15 [2023-11-29 02:17:43,786 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:17:43,786 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 26 treesize of output 10 [2023-11-29 02:17:43,888 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 02:17:43,888 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:17:43,888 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:43,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [217488043] [2023-11-29 02:17:43,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [217488043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:43,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:43,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 02:17:43,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722880102] [2023-11-29 02:17:43,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:43,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 02:17:43,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:43,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 02:17:43,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:17:43,890 INFO L87 Difference]: Start difference. First operand 2127 states and 2612 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 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 02:17:45,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:17:45,995 INFO L93 Difference]: Finished difference Result 5151 states and 6335 transitions. [2023-11-29 02:17:45,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 02:17:45,996 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 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 02:17:45,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:17:45,999 INFO L225 Difference]: With dead ends: 5151 [2023-11-29 02:17:45,999 INFO L226 Difference]: Without dead ends: 3081 [2023-11-29 02:17:46,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2023-11-29 02:17:46,001 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 326 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:17:46,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 1808 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 02:17:46,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3081 states. [2023-11-29 02:17:46,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3081 to 2820. [2023-11-29 02:17:46,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2820 states, 2755 states have (on average 1.2159709618874772) internal successors, (3350), 2760 states have internal predecessors, (3350), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:17:46,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2820 states and 3458 transitions. [2023-11-29 02:17:46,138 INFO L78 Accepts]: Start accepts. Automaton has 2820 states and 3458 transitions. Word has length 149 [2023-11-29 02:17:46,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:17:46,138 INFO L495 AbstractCegarLoop]: Abstraction has 2820 states and 3458 transitions. [2023-11-29 02:17:46,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 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 02:17:46,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 3458 transitions. [2023-11-29 02:17:46,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:17:46,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:17:46,143 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 02:17:46,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-29 02:17:46,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:46,344 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:17:46,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:46,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1177822687, now seen corresponding path program 1 times [2023-11-29 02:17:46,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:17:46,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721461309] [2023-11-29 02:17:46,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:46,345 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 02:17:46,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:17:46,346 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:46,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:46,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 02:17:46,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:49,404 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 0 case distinctions, treesize of input 28 treesize of output 19 [2023-11-29 02:17:49,704 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:17:49,704 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 27 treesize of output 11 [2023-11-29 02:17:49,730 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 02:17:49,730 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:17:49,731 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:49,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721461309] [2023-11-29 02:17:49,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [721461309] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:49,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:49,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:17:49,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371486391] [2023-11-29 02:17:49,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:49,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:17:49,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:49,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:17:49,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:17:49,732 INFO L87 Difference]: Start difference. First operand 2820 states and 3458 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:17:51,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:17:51,516 INFO L93 Difference]: Finished difference Result 5874 states and 7205 transitions. [2023-11-29 02:17:51,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 02:17:51,516 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:17:51,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:17:51,520 INFO L225 Difference]: With dead ends: 5874 [2023-11-29 02:17:51,520 INFO L226 Difference]: Without dead ends: 3111 [2023-11-29 02:17:51,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:17:51,523 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 274 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:17:51,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 822 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 02:17:51,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3111 states. [2023-11-29 02:17:51,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3111 to 2838. [2023-11-29 02:17:51,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2838 states, 2773 states have (on average 1.2145690587811035) internal successors, (3368), 2778 states have internal predecessors, (3368), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:17:51,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2838 states and 3476 transitions. [2023-11-29 02:17:51,714 INFO L78 Accepts]: Start accepts. Automaton has 2838 states and 3476 transitions. Word has length 149 [2023-11-29 02:17:51,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:17:51,714 INFO L495 AbstractCegarLoop]: Abstraction has 2838 states and 3476 transitions. [2023-11-29 02:17:51,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:17:51,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2838 states and 3476 transitions. [2023-11-29 02:17:51,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:17:51,718 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:17:51,719 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 02:17:51,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Ended with exit code 0 [2023-11-29 02:17:51,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:51,919 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:17:51,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:51,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1060734361, now seen corresponding path program 1 times [2023-11-29 02:17:51,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:17:51,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [896440109] [2023-11-29 02:17:51,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:51,920 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 02:17:51,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:17:51,921 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:51,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:52,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 02:17:52,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:54,970 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 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-29 02:17:55,140 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 02:17:55,140 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:17:55,141 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:55,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [896440109] [2023-11-29 02:17:55,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [896440109] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:55,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:55,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 02:17:55,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659152328] [2023-11-29 02:17:55,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:55,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:17:55,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:55,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:17:55,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:17:55,142 INFO L87 Difference]: Start difference. First operand 2838 states and 3476 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 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 02:17:57,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:17:57,134 INFO L93 Difference]: Finished difference Result 5724 states and 7022 transitions. [2023-11-29 02:17:57,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 02:17:57,135 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 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 02:17:57,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:17:57,137 INFO L225 Difference]: With dead ends: 5724 [2023-11-29 02:17:57,137 INFO L226 Difference]: Without dead ends: 2943 [2023-11-29 02:17:57,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-11-29 02:17:57,139 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 316 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:17:57,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 873 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 02:17:57,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2943 states. [2023-11-29 02:17:57,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2943 to 2751. [2023-11-29 02:17:57,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2751 states, 2686 states have (on average 1.2137006701414743) internal successors, (3260), 2691 states have internal predecessors, (3260), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:17:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2751 states and 3368 transitions. [2023-11-29 02:17:57,267 INFO L78 Accepts]: Start accepts. Automaton has 2751 states and 3368 transitions. Word has length 149 [2023-11-29 02:17:57,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:17:57,267 INFO L495 AbstractCegarLoop]: Abstraction has 2751 states and 3368 transitions. [2023-11-29 02:17:57,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 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 02:17:57,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 3368 transitions. [2023-11-29 02:17:57,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:17:57,270 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:17:57,270 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 02:17:57,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:57,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:57,471 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:17:57,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:57,471 INFO L85 PathProgramCache]: Analyzing trace with hash -888124720, now seen corresponding path program 1 times [2023-11-29 02:17:57,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:17:57,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034652605] [2023-11-29 02:17:57,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:57,471 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 02:17:57,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:17:57,472 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:57,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:17:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:57,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 02:17:57,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:59,193 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 15 treesize of output 15 [2023-11-29 02:17:59,448 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:17:59,448 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 26 treesize of output 10 [2023-11-29 02:17:59,555 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 02:17:59,555 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:17:59,555 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:17:59,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034652605] [2023-11-29 02:17:59,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1034652605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:59,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:59,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 02:17:59,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983926804] [2023-11-29 02:17:59,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:59,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 02:17:59,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:17:59,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 02:17:59,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:17:59,557 INFO L87 Difference]: Start difference. First operand 2751 states and 3368 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 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 02:18:01,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:18:01,591 INFO L93 Difference]: Finished difference Result 5967 states and 7343 transitions. [2023-11-29 02:18:01,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 02:18:01,592 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 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 02:18:01,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:18:01,594 INFO L225 Difference]: With dead ends: 5967 [2023-11-29 02:18:01,594 INFO L226 Difference]: Without dead ends: 3273 [2023-11-29 02:18:01,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2023-11-29 02:18:01,597 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 330 mSDsluCounter, 1590 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 1821 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:18:01,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 1821 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 02:18:01,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3273 states. [2023-11-29 02:18:01,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3273 to 2988. [2023-11-29 02:18:01,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2923 states have (on average 1.21997947314403) internal successors, (3566), 2928 states have internal predecessors, (3566), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:18:01,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 3674 transitions. [2023-11-29 02:18:01,732 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 3674 transitions. Word has length 149 [2023-11-29 02:18:01,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:18:01,732 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 3674 transitions. [2023-11-29 02:18:01,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 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 02:18:01,733 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 3674 transitions. [2023-11-29 02:18:01,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:18:01,736 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:18:01,736 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 02:18:01,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:01,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:01,936 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:18:01,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:01,937 INFO L85 PathProgramCache]: Analyzing trace with hash -208066350, now seen corresponding path program 1 times [2023-11-29 02:18:01,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:18:01,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1921885439] [2023-11-29 02:18:01,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:01,937 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 02:18:01,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:18:01,938 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:01,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:02,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:18:02,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:18:02,390 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-11-29 02:18:02,390 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 26 treesize of output 19 [2023-11-29 02:18:02,409 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 02:18:02,409 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:18:02,409 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:18:02,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1921885439] [2023-11-29 02:18:02,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1921885439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:02,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:02,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:18:02,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037332032] [2023-11-29 02:18:02,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:02,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:18:02,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:18:02,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:18:02,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:18:02,411 INFO L87 Difference]: Start difference. First operand 2988 states and 3674 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 02:18:03,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:18:03,119 INFO L93 Difference]: Finished difference Result 6234 states and 7667 transitions. [2023-11-29 02:18:03,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:18:03,120 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 02:18:03,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:18:03,122 INFO L225 Difference]: With dead ends: 6234 [2023-11-29 02:18:03,122 INFO L226 Difference]: Without dead ends: 3303 [2023-11-29 02:18:03,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:18:03,124 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 134 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:18:03,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 555 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 02:18:03,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2023-11-29 02:18:03,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 2970. [2023-11-29 02:18:03,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2970 states, 2905 states have (on average 1.2110154905335628) internal successors, (3518), 2910 states have internal predecessors, (3518), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:18:03,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 3626 transitions. [2023-11-29 02:18:03,255 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 3626 transitions. Word has length 149 [2023-11-29 02:18:03,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:18:03,256 INFO L495 AbstractCegarLoop]: Abstraction has 2970 states and 3626 transitions. [2023-11-29 02:18:03,256 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 02:18:03,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 3626 transitions. [2023-11-29 02:18:03,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:18:03,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:18:03,261 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 02:18:03,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:03,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:03,461 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:18:03,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:03,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1462293977, now seen corresponding path program 1 times [2023-11-29 02:18:03,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:18:03,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028966026] [2023-11-29 02:18:03,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:03,462 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 02:18:03,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:18:03,463 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:03,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:03,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 02:18:03,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:18:06,421 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 0 case distinctions, treesize of input 28 treesize of output 19 [2023-11-29 02:18:06,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:18:06,697 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 27 treesize of output 11 [2023-11-29 02:18:06,724 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 02:18:06,724 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:18:06,725 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:18:06,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2028966026] [2023-11-29 02:18:06,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2028966026] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:06,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:06,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:18:06,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539953038] [2023-11-29 02:18:06,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:06,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:18:06,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:18:06,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:18:06,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:18:06,726 INFO L87 Difference]: Start difference. First operand 2970 states and 3626 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:18:08,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:18:08,386 INFO L93 Difference]: Finished difference Result 6321 states and 7742 transitions. [2023-11-29 02:18:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 02:18:08,387 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:18:08,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:18:08,390 INFO L225 Difference]: With dead ends: 6321 [2023-11-29 02:18:08,390 INFO L226 Difference]: Without dead ends: 3408 [2023-11-29 02:18:08,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:18:08,394 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 412 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:18:08,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 663 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 02:18:08,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3408 states. [2023-11-29 02:18:08,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3408 to 3006. [2023-11-29 02:18:08,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3006 states, 2941 states have (on average 1.212512750765046) internal successors, (3566), 2946 states have internal predecessors, (3566), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:18:08,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 3006 states and 3674 transitions. [2023-11-29 02:18:08,528 INFO L78 Accepts]: Start accepts. Automaton has 3006 states and 3674 transitions. Word has length 149 [2023-11-29 02:18:08,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:18:08,528 INFO L495 AbstractCegarLoop]: Abstraction has 3006 states and 3674 transitions. [2023-11-29 02:18:08,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:18:08,528 INFO L276 IsEmpty]: Start isEmpty. Operand 3006 states and 3674 transitions. [2023-11-29 02:18:08,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:18:08,531 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:18:08,531 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:18:08,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-29 02:18:08,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:08,732 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:18:08,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:08,732 INFO L85 PathProgramCache]: Analyzing trace with hash 492998228, now seen corresponding path program 1 times [2023-11-29 02:18:08,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:18:08,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1378921163] [2023-11-29 02:18:08,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:08,733 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 02:18:08,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:18:08,733 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:08,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:09,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 02:18:09,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:18:11,704 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 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-29 02:18:11,936 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:18:11,936 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 26 treesize of output 10 [2023-11-29 02:18:11,959 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 02:18:11,959 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:18:11,959 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:18:11,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1378921163] [2023-11-29 02:18:11,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1378921163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:11,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:11,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:18:11,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468248246] [2023-11-29 02:18:11,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:11,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:18:11,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:18:11,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:18:11,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:18:11,961 INFO L87 Difference]: Start difference. First operand 3006 states and 3674 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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 02:18:13,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:18:13,255 INFO L93 Difference]: Finished difference Result 6192 states and 7568 transitions. [2023-11-29 02:18:13,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:18:13,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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 02:18:13,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:18:13,266 INFO L225 Difference]: With dead ends: 6192 [2023-11-29 02:18:13,266 INFO L226 Difference]: Without dead ends: 3243 [2023-11-29 02:18:13,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:18:13,268 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 230 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:18:13,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 598 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 02:18:13,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3243 states. [2023-11-29 02:18:13,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3243 to 2784. [2023-11-29 02:18:13,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 2719 states have (on average 1.1956601691798456) internal successors, (3251), 2724 states have internal predecessors, (3251), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:18:13,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 3359 transitions. [2023-11-29 02:18:13,389 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 3359 transitions. Word has length 149 [2023-11-29 02:18:13,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:18:13,389 INFO L495 AbstractCegarLoop]: Abstraction has 2784 states and 3359 transitions. [2023-11-29 02:18:13,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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 02:18:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3359 transitions. [2023-11-29 02:18:13,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:18:13,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:18:13,393 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 02:18:13,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Ended with exit code 0 [2023-11-29 02:18:13,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:13,593 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:18:13,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:13,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1035103314, now seen corresponding path program 1 times [2023-11-29 02:18:13,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:18:13,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525894153] [2023-11-29 02:18:13,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:13,594 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 02:18:13,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:18:13,595 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:13,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:13,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:18:13,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:18:13,977 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-11-29 02:18:13,977 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 26 treesize of output 19 [2023-11-29 02:18:13,998 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 02:18:13,998 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:18:13,998 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:18:13,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525894153] [2023-11-29 02:18:13,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525894153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:13,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:13,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:18:13,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937330518] [2023-11-29 02:18:13,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:14,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:18:14,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:18:14,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:18:14,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:18:14,006 INFO L87 Difference]: Start difference. First operand 2784 states and 3359 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 02:18:14,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:18:14,651 INFO L93 Difference]: Finished difference Result 5282 states and 6376 transitions. [2023-11-29 02:18:14,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:18:14,652 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 02:18:14,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:18:14,655 INFO L225 Difference]: With dead ends: 5282 [2023-11-29 02:18:14,655 INFO L226 Difference]: Without dead ends: 2555 [2023-11-29 02:18:14,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:18:14,657 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 73 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:18:14,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 519 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 02:18:14,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2555 states. [2023-11-29 02:18:14,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2555 to 2553. [2023-11-29 02:18:14,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2553 states, 2488 states have (on average 1.1933279742765273) internal successors, (2969), 2493 states have internal predecessors, (2969), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:18:14,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2553 states and 3077 transitions. [2023-11-29 02:18:14,805 INFO L78 Accepts]: Start accepts. Automaton has 2553 states and 3077 transitions. Word has length 149 [2023-11-29 02:18:14,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:18:14,806 INFO L495 AbstractCegarLoop]: Abstraction has 2553 states and 3077 transitions. [2023-11-29 02:18:14,806 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 02:18:14,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 3077 transitions. [2023-11-29 02:18:14,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:18:14,809 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:18:14,809 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] [2023-11-29 02:18:14,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Ended with exit code 0 [2023-11-29 02:18:15,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:15,009 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:18:15,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:15,010 INFO L85 PathProgramCache]: Analyzing trace with hash -2137045981, now seen corresponding path program 1 times [2023-11-29 02:18:15,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:18:15,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013614033] [2023-11-29 02:18:15,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:15,011 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 02:18:15,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:18:15,012 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:15,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Waiting until timeout for monitored process [2023-11-29 02:18:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:15,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 02:18:15,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:18:18,139 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 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 02:18:18,585 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:18:18,585 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 39 treesize of output 15 [2023-11-29 02:18:18,656 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 02:18:18,656 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:18:18,656 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:18:18,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013614033] [2023-11-29 02:18:18,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013614033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:18,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:18,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 02:18:18,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421079400] [2023-11-29 02:18:18,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:18,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:18:18,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:18:18,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:18:18,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:18:18,658 INFO L87 Difference]: Start difference. First operand 2553 states and 3077 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 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 02:18:20,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:18:20,683 INFO L93 Difference]: Finished difference Result 5187 states and 6245 transitions. [2023-11-29 02:18:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:18:20,684 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 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 02:18:20,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:18:20,685 INFO L225 Difference]: With dead ends: 5187 [2023-11-29 02:18:20,685 INFO L226 Difference]: Without dead ends: 2691 [2023-11-29 02:18:20,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:18:20,686 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 322 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:18:20,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 615 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 02:18:20,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2691 states. [2023-11-29 02:18:20,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2691 to 2475. [2023-11-29 02:18:20,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 2410 states have (on average 1.1796680497925311) internal successors, (2843), 2415 states have internal predecessors, (2843), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:18:20,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 2951 transitions. [2023-11-29 02:18:20,806 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 2951 transitions. Word has length 149 [2023-11-29 02:18:20,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:18:20,806 INFO L495 AbstractCegarLoop]: Abstraction has 2475 states and 2951 transitions. [2023-11-29 02:18:20,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 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 02:18:20,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 2951 transitions. [2023-11-29 02:18:20,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:18:20,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:18:20,808 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:18:20,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Forceful destruction successful, exit code 0 [2023-11-29 02:18:21,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:21,009 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:18:21,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:21,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1571115301, now seen corresponding path program 1 times [2023-11-29 02:18:21,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:18:21,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148067554] [2023-11-29 02:18:21,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:21,010 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 02:18:21,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:18:21,010 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:21,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:21,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 02:18:21,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:18:24,128 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 0 case distinctions, treesize of input 27 treesize of output 18 [2023-11-29 02:18:24,416 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:18:24,417 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 26 treesize of output 10 [2023-11-29 02:18:24,445 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 02:18:24,445 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:18:24,445 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:18:24,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148067554] [2023-11-29 02:18:24,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148067554] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:24,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:24,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:18:24,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729535809] [2023-11-29 02:18:24,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:24,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:18:24,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:18:24,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:18:24,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:18:24,447 INFO L87 Difference]: Start difference. First operand 2475 states and 2951 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:18:26,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:18:26,480 INFO L93 Difference]: Finished difference Result 5160 states and 6173 transitions. [2023-11-29 02:18:26,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 02:18:26,482 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:18:26,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:18:26,483 INFO L225 Difference]: With dead ends: 5160 [2023-11-29 02:18:26,483 INFO L226 Difference]: Without dead ends: 2742 [2023-11-29 02:18:26,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:18:26,485 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 262 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:18:26,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 1032 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 02:18:26,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2742 states. [2023-11-29 02:18:26,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2742 to 2469. [2023-11-29 02:18:26,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2469 states, 2404 states have (on average 1.1776206322795342) internal successors, (2831), 2409 states have internal predecessors, (2831), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:18:26,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2469 states and 2939 transitions. [2023-11-29 02:18:26,643 INFO L78 Accepts]: Start accepts. Automaton has 2469 states and 2939 transitions. Word has length 149 [2023-11-29 02:18:26,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:18:26,644 INFO L495 AbstractCegarLoop]: Abstraction has 2469 states and 2939 transitions. [2023-11-29 02:18:26,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:18:26,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2469 states and 2939 transitions. [2023-11-29 02:18:26,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:18:26,646 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:18:26,646 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 02:18:26,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:26,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:26,846 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:18:26,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:26,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1053491668, now seen corresponding path program 1 times [2023-11-29 02:18:26,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:18:26,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1149307342] [2023-11-29 02:18:26,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:26,847 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 02:18:26,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:18:26,848 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:26,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:27,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:18:27,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:18:27,288 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:18:27,289 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 27 treesize of output 23 [2023-11-29 02:18:27,311 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 02:18:27,312 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:18:27,312 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:18:27,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1149307342] [2023-11-29 02:18:27,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1149307342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:27,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:27,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:18:27,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247434840] [2023-11-29 02:18:27,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:27,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:18:27,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:18:27,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:18:27,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:18:27,313 INFO L87 Difference]: Start difference. First operand 2469 states and 2939 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 02:18:28,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:18:28,054 INFO L93 Difference]: Finished difference Result 5160 states and 6152 transitions. [2023-11-29 02:18:28,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:18:28,055 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 02:18:28,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:18:28,057 INFO L225 Difference]: With dead ends: 5160 [2023-11-29 02:18:28,057 INFO L226 Difference]: Without dead ends: 2748 [2023-11-29 02:18:28,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:18:28,058 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 141 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:18:28,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 548 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 02:18:28,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2023-11-29 02:18:28,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2469. [2023-11-29 02:18:28,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2469 states, 2404 states have (on average 1.1751247920133112) internal successors, (2825), 2409 states have internal predecessors, (2825), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:18:28,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2469 states and 2933 transitions. [2023-11-29 02:18:28,191 INFO L78 Accepts]: Start accepts. Automaton has 2469 states and 2933 transitions. Word has length 149 [2023-11-29 02:18:28,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:18:28,191 INFO L495 AbstractCegarLoop]: Abstraction has 2469 states and 2933 transitions. [2023-11-29 02:18:28,191 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 02:18:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2469 states and 2933 transitions. [2023-11-29 02:18:28,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:18:28,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:18:28,193 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 02:18:28,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-29 02:18:28,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:28,393 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:18:28,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:28,394 INFO L85 PathProgramCache]: Analyzing trace with hash -373433298, now seen corresponding path program 1 times [2023-11-29 02:18:28,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:18:28,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1110929958] [2023-11-29 02:18:28,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:28,394 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 02:18:28,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:18:28,395 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:28,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:28,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 02:18:28,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:18:30,162 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 15 treesize of output 15 [2023-11-29 02:18:30,440 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:18:30,441 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 26 treesize of output 10 [2023-11-29 02:18:30,547 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 02:18:30,547 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:18:30,547 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:18:30,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1110929958] [2023-11-29 02:18:30,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1110929958] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:30,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:30,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 02:18:30,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16390046] [2023-11-29 02:18:30,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:30,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 02:18:30,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:18:30,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 02:18:30,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:18:30,549 INFO L87 Difference]: Start difference. First operand 2469 states and 2933 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 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 02:18:32,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:18:32,493 INFO L93 Difference]: Finished difference Result 5136 states and 6119 transitions. [2023-11-29 02:18:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 02:18:32,494 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 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 02:18:32,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:18:32,496 INFO L225 Difference]: With dead ends: 5136 [2023-11-29 02:18:32,496 INFO L226 Difference]: Without dead ends: 2724 [2023-11-29 02:18:32,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2023-11-29 02:18:32,497 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 317 mSDsluCounter, 1216 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 1392 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:18:32,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 1392 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 02:18:32,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2023-11-29 02:18:32,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 2475. [2023-11-29 02:18:32,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 2410 states have (on average 1.174688796680498) internal successors, (2831), 2415 states have internal predecessors, (2831), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:18:32,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 2939 transitions. [2023-11-29 02:18:32,648 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 2939 transitions. Word has length 149 [2023-11-29 02:18:32,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:18:32,649 INFO L495 AbstractCegarLoop]: Abstraction has 2475 states and 2939 transitions. [2023-11-29 02:18:32,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 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 02:18:32,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 2939 transitions. [2023-11-29 02:18:32,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:18:32,650 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:18:32,651 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 02:18:32,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:32,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:32,851 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:18:32,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:32,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1972674917, now seen corresponding path program 1 times [2023-11-29 02:18:32,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:18:32,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976490769] [2023-11-29 02:18:32,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:32,852 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 02:18:32,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:18:32,853 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:32,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:33,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 02:18:33,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:18:35,987 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 0 case distinctions, treesize of input 28 treesize of output 19 [2023-11-29 02:18:36,287 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:18:36,287 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 27 treesize of output 11 [2023-11-29 02:18:36,315 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 02:18:36,315 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:18:36,315 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:18:36,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [976490769] [2023-11-29 02:18:36,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [976490769] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:36,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:36,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:18:36,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301246044] [2023-11-29 02:18:36,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:36,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:18:36,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:18:36,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:18:36,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:18:36,317 INFO L87 Difference]: Start difference. First operand 2475 states and 2939 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:18:38,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:18:38,072 INFO L93 Difference]: Finished difference Result 5166 states and 6143 transitions. [2023-11-29 02:18:38,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 02:18:38,073 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:18:38,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:18:38,075 INFO L225 Difference]: With dead ends: 5166 [2023-11-29 02:18:38,075 INFO L226 Difference]: Without dead ends: 2748 [2023-11-29 02:18:38,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:18:38,076 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 336 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:18:38,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 784 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 02:18:38,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2023-11-29 02:18:38,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2457. [2023-11-29 02:18:38,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2457 states, 2392 states have (on average 1.173494983277592) internal successors, (2807), 2397 states have internal predecessors, (2807), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:18:38,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2457 states and 2915 transitions. [2023-11-29 02:18:38,201 INFO L78 Accepts]: Start accepts. Automaton has 2457 states and 2915 transitions. Word has length 149 [2023-11-29 02:18:38,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:18:38,202 INFO L495 AbstractCegarLoop]: Abstraction has 2457 states and 2915 transitions. [2023-11-29 02:18:38,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:18:38,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 2915 transitions. [2023-11-29 02:18:38,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:18:38,203 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:18:38,203 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 02:18:38,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Ended with exit code 0 [2023-11-29 02:18:38,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:38,404 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:18:38,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:38,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1196211041, now seen corresponding path program 1 times [2023-11-29 02:18:38,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:18:38,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [764719090] [2023-11-29 02:18:38,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:38,405 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 02:18:38,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:18:38,406 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:38,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:38,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 02:18:38,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:18:41,550 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 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-29 02:18:41,730 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 02:18:41,730 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:18:41,730 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:18:41,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [764719090] [2023-11-29 02:18:41,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [764719090] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:41,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:41,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 02:18:41,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427397411] [2023-11-29 02:18:41,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:41,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:18:41,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:18:41,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:18:41,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:18:41,732 INFO L87 Difference]: Start difference. First operand 2457 states and 2915 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 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 02:18:43,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:18:43,569 INFO L93 Difference]: Finished difference Result 4956 states and 5897 transitions. [2023-11-29 02:18:43,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 02:18:43,570 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 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 02:18:43,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:18:43,572 INFO L225 Difference]: With dead ends: 4956 [2023-11-29 02:18:43,572 INFO L226 Difference]: Without dead ends: 2556 [2023-11-29 02:18:43,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-11-29 02:18:43,573 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 303 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:18:43,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 737 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 02:18:43,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2556 states. [2023-11-29 02:18:43,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2556 to 2367. [2023-11-29 02:18:43,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2367 states, 2302 states have (on average 1.1737619461337967) internal successors, (2702), 2307 states have internal predecessors, (2702), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:18:43,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2810 transitions. [2023-11-29 02:18:43,722 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2810 transitions. Word has length 149 [2023-11-29 02:18:43,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:18:43,722 INFO L495 AbstractCegarLoop]: Abstraction has 2367 states and 2810 transitions. [2023-11-29 02:18:43,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 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 02:18:43,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2810 transitions. [2023-11-29 02:18:43,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:18:43,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:18:43,724 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 02:18:43,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:43,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:43,924 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:18:43,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:43,925 INFO L85 PathProgramCache]: Analyzing trace with hash -2037821089, now seen corresponding path program 1 times [2023-11-29 02:18:43,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:18:43,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772074731] [2023-11-29 02:18:43,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:43,925 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 02:18:43,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:18:43,926 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:43,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:44,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 02:18:44,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:18:46,929 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 0 case distinctions, treesize of input 28 treesize of output 19 [2023-11-29 02:18:47,183 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:18:47,183 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 27 treesize of output 11 [2023-11-29 02:18:47,213 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 02:18:47,213 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:18:47,213 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:18:47,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772074731] [2023-11-29 02:18:47,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772074731] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:47,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:47,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:18:47,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795301864] [2023-11-29 02:18:47,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:47,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:18:47,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:18:47,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:18:47,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:18:47,215 INFO L87 Difference]: Start difference. First operand 2367 states and 2810 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:18:49,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:18:49,022 INFO L93 Difference]: Finished difference Result 4902 states and 5828 transitions. [2023-11-29 02:18:49,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 02:18:49,022 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:18:49,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:18:49,024 INFO L225 Difference]: With dead ends: 4902 [2023-11-29 02:18:49,024 INFO L226 Difference]: Without dead ends: 2592 [2023-11-29 02:18:49,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:18:49,032 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 334 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:18:49,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 790 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 02:18:49,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2592 states. [2023-11-29 02:18:49,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2592 to 2325. [2023-11-29 02:18:49,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2325 states, 2260 states have (on average 1.1730088495575222) internal successors, (2651), 2265 states have internal predecessors, (2651), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:18:49,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2325 states and 2759 transitions. [2023-11-29 02:18:49,179 INFO L78 Accepts]: Start accepts. Automaton has 2325 states and 2759 transitions. Word has length 149 [2023-11-29 02:18:49,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:18:49,179 INFO L495 AbstractCegarLoop]: Abstraction has 2325 states and 2759 transitions. [2023-11-29 02:18:49,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 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 02:18:49,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 2759 transitions. [2023-11-29 02:18:49,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 02:18:49,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:18:49,181 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 02:18:49,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:49,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:49,381 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:18:49,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:49,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1335078909, now seen corresponding path program 1 times [2023-11-29 02:18:49,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:18:49,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038377975] [2023-11-29 02:18:49,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:49,382 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 02:18:49,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:18:49,383 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:49,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:18:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:49,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 02:18:49,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:18:49,886 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 02:18:50,454 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 64 treesize of output 32 [2023-11-29 02:18:50,727 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 64 treesize of output 32 [2023-11-29 02:18:52,817 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 70 treesize of output 34 [2023-11-29 02:18:52,919 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-29 02:18:52,919 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:19:06,446 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:19:06,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2038377975] [2023-11-29 02:19:06,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2038377975] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:19:06,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [705188447] [2023-11-29 02:19:06,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:06,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 02:19:06,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 02:19:06,447 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 02:19:06,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-11-29 02:19:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:07,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 02:19:07,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:19:10,048 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 02:19:11,207 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 15 treesize of output 15 [2023-11-29 02:19:12,460 INFO L349 Elim1Store]: treesize reduction 6, result has 76.0 percent of original size [2023-11-29 02:19:12,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 31 [2023-11-29 02:19:12,643 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-29 02:19:12,644 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:19:14,556 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 02:19:14,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [705188447] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 02:19:14,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:19:14,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 10] total 24 [2023-11-29 02:19:14,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117490603] [2023-11-29 02:19:14,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:14,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:19:14,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:19:14,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:19:14,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-11-29 02:19:14,558 INFO L87 Difference]: Start difference. First operand 2325 states and 2759 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 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 02:19:20,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:19:20,978 INFO L93 Difference]: Finished difference Result 4986 states and 5945 transitions. [2023-11-29 02:19:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 02:19:20,980 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 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 02:19:20,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:19:20,982 INFO L225 Difference]: With dead ends: 4986 [2023-11-29 02:19:20,982 INFO L226 Difference]: Without dead ends: 2718 [2023-11-29 02:19:20,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 554 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=110, Invalid=946, Unknown=0, NotChecked=0, Total=1056 [2023-11-29 02:19:20,983 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 224 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 1323 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:19:20,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 1323 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 02:19:20,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2023-11-29 02:19:21,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 2322. [2023-11-29 02:19:21,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2322 states, 2257 states have (on average 1.1719096145325654) internal successors, (2645), 2262 states have internal predecessors, (2645), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:19:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 2322 states and 2753 transitions. [2023-11-29 02:19:21,114 INFO L78 Accepts]: Start accepts. Automaton has 2322 states and 2753 transitions. Word has length 150 [2023-11-29 02:19:21,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:19:21,114 INFO L495 AbstractCegarLoop]: Abstraction has 2322 states and 2753 transitions. [2023-11-29 02:19:21,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 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 02:19:21,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2753 transitions. [2023-11-29 02:19:21,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 02:19:21,116 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:19:21,116 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 02:19:21,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-11-29 02:19:21,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:19:21,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:19:21,517 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:19:21,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:21,517 INFO L85 PathProgramCache]: Analyzing trace with hash 2138368897, now seen corresponding path program 1 times [2023-11-29 02:19:21,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:19:21,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29340688] [2023-11-29 02:19:21,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:21,518 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 02:19:21,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:19:21,519 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:19:21,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:19:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:21,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 02:19:21,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:19:22,039 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 02:19:22,578 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 64 treesize of output 32 [2023-11-29 02:19:22,851 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 64 treesize of output 32 [2023-11-29 02:19:25,020 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 70 treesize of output 34 [2023-11-29 02:19:25,151 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-29 02:19:25,151 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:19:39,304 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:19:39,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29340688] [2023-11-29 02:19:39,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [29340688] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:19:39,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1999306570] [2023-11-29 02:19:39,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:39,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 02:19:39,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 02:19:39,306 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 02:19:39,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-11-29 02:19:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:40,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 02:19:40,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:19:42,937 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 02:19:43,850 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 15 treesize of output 15 [2023-11-29 02:19:45,139 INFO L349 Elim1Store]: treesize reduction 6, result has 76.0 percent of original size [2023-11-29 02:19:45,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 31 [2023-11-29 02:19:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-29 02:19:45,348 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:19:47,558 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 02:19:47,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1999306570] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 02:19:47,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:19:47,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 10] total 24 [2023-11-29 02:19:47,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788192126] [2023-11-29 02:19:47,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:47,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:19:47,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:19:47,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:19:47,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-11-29 02:19:47,560 INFO L87 Difference]: Start difference. First operand 2322 states and 2753 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 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 02:19:53,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:19:53,526 INFO L93 Difference]: Finished difference Result 4962 states and 5912 transitions. [2023-11-29 02:19:53,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 02:19:53,528 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 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 02:19:53,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:19:53,529 INFO L225 Difference]: With dead ends: 4962 [2023-11-29 02:19:53,529 INFO L226 Difference]: Without dead ends: 2697 [2023-11-29 02:19:53,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 554 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=110, Invalid=946, Unknown=0, NotChecked=0, Total=1056 [2023-11-29 02:19:53,531 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 281 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:19:53,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 1301 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-29 02:19:53,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2023-11-29 02:19:53,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 2301. [2023-11-29 02:19:53,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2301 states, 2236 states have (on average 1.170840787119857) internal successors, (2618), 2241 states have internal predecessors, (2618), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:19:53,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 2726 transitions. [2023-11-29 02:19:53,666 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 2726 transitions. Word has length 150 [2023-11-29 02:19:53,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:19:53,666 INFO L495 AbstractCegarLoop]: Abstraction has 2301 states and 2726 transitions. [2023-11-29 02:19:53,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 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 02:19:53,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2726 transitions. [2023-11-29 02:19:53,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 02:19:53,668 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:19:53,668 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 02:19:53,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-11-29 02:19:53,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:19:54,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:19:54,069 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:19:54,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:54,069 INFO L85 PathProgramCache]: Analyzing trace with hash -244025375, now seen corresponding path program 1 times [2023-11-29 02:19:54,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:19:54,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808093425] [2023-11-29 02:19:54,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:54,070 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 02:19:54,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:19:54,070 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:19:54,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:19:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:54,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:19:54,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:19:54,593 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-11-29 02:19:54,593 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 26 treesize of output 19 [2023-11-29 02:19:54,614 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 02:19:54,614 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:19:54,614 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:19:54,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1808093425] [2023-11-29 02:19:54,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1808093425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:19:54,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:19:54,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:19:54,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337099066] [2023-11-29 02:19:54,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:54,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:19:54,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:19:54,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:19:54,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:19:54,616 INFO L87 Difference]: Start difference. First operand 2301 states and 2726 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 02:19:55,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:19:55,441 INFO L93 Difference]: Finished difference Result 4701 states and 5576 transitions. [2023-11-29 02:19:55,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:19:55,442 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 02:19:55,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:19:55,445 INFO L225 Difference]: With dead ends: 4701 [2023-11-29 02:19:55,445 INFO L226 Difference]: Without dead ends: 2457 [2023-11-29 02:19:55,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:19:55,446 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 92 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:19:55,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 747 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 02:19:55,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2457 states. [2023-11-29 02:19:55,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2457 to 2301. [2023-11-29 02:19:55,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2301 states, 2236 states have (on average 1.1694991055456172) internal successors, (2615), 2241 states have internal predecessors, (2615), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:19:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 2723 transitions. [2023-11-29 02:19:55,618 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 2723 transitions. Word has length 152 [2023-11-29 02:19:55,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:19:55,619 INFO L495 AbstractCegarLoop]: Abstraction has 2301 states and 2723 transitions. [2023-11-29 02:19:55,619 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 02:19:55,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2723 transitions. [2023-11-29 02:19:55,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-29 02:19:55,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:19:55,621 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, 1] [2023-11-29 02:19:55,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:19:55,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:19:55,821 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:19:55,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:55,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1740265682, now seen corresponding path program 1 times [2023-11-29 02:19:55,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:19:55,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [442288814] [2023-11-29 02:19:55,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:55,822 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 02:19:55,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:19:55,823 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:19:55,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:19:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:56,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:19:56,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:19:56,350 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:19:56,351 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 27 treesize of output 23 [2023-11-29 02:19:56,370 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 02:19:56,370 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:19:56,370 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:19:56,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [442288814] [2023-11-29 02:19:56,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [442288814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:19:56,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:19:56,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:19:56,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74099836] [2023-11-29 02:19:56,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:56,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:19:56,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:19:56,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:19:56,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:19:56,371 INFO L87 Difference]: Start difference. First operand 2301 states and 2723 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 02:19:57,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:19:57,185 INFO L93 Difference]: Finished difference Result 4669 states and 5530 transitions. [2023-11-29 02:19:57,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:19:57,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 155 [2023-11-29 02:19:57,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:19:57,188 INFO L225 Difference]: With dead ends: 4669 [2023-11-29 02:19:57,188 INFO L226 Difference]: Without dead ends: 2425 [2023-11-29 02:19:57,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:19:57,190 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 81 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:19:57,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 476 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 02:19:57,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2425 states. [2023-11-29 02:19:57,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2425 to 2289. [2023-11-29 02:19:57,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2289 states, 2224 states have (on average 1.169064748201439) internal successors, (2600), 2229 states have internal predecessors, (2600), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 02:19:57,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 2708 transitions. [2023-11-29 02:19:57,339 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 2708 transitions. Word has length 155 [2023-11-29 02:19:57,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:19:57,340 INFO L495 AbstractCegarLoop]: Abstraction has 2289 states and 2708 transitions. [2023-11-29 02:19:57,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 02:19:57,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 2708 transitions. [2023-11-29 02:19:57,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-29 02:19:57,341 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:19:57,341 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, 1, 1] [2023-11-29 02:19:57,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:19:57,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:19:57,542 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:19:57,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:57,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1481579768, now seen corresponding path program 1 times [2023-11-29 02:19:57,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:19:57,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003512525] [2023-11-29 02:19:57,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:57,543 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 02:19:57,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:19:57,544 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:19:57,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a766ed-0ad5-4d5c-acc9-303a63765c19/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 02:19:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:57,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 02:19:57,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:20:03,810 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 48 treesize of output 24 [2023-11-29 02:20:04,984 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 02:20:04,984 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:20:04,984 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:20:04,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2003512525] [2023-11-29 02:20:04,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2003512525] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:20:04,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:20:04,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:20:04,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671340574] [2023-11-29 02:20:04,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:20:04,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:20:04,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:20:04,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:20:04,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:20:04,985 INFO L87 Difference]: Start difference. First operand 2289 states and 2708 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 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 02:20:10,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:20:13,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:20:14,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:20:24,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:20:28,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:20:30,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:20:36,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:20:40,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:20:43,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:20:47,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]