./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-55.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/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_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/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_0eb50c58-677b-494a-981b-93e422f4f9a5/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 85aa73e9da404b3237f6b534f76a96725f8c968f66c8526708e2a81ace8745de --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 07:05:09,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 07:05:09,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 07:05:09,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 07:05:09,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 07:05:09,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 07:05:09,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 07:05:09,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 07:05:09,204 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 07:05:09,204 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 07:05:09,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 07:05:09,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 07:05:09,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 07:05:09,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 07:05:09,208 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 07:05:09,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 07:05:09,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 07:05:09,210 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 07:05:09,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 07:05:09,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 07:05:09,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 07:05:09,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 07:05:09,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 07:05:09,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 07:05:09,214 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 07:05:09,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 07:05:09,215 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 07:05:09,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 07:05:09,216 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 07:05:09,216 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 07:05:09,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 07:05:09,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:05:09,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 07:05:09,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 07:05:09,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 07:05:09,218 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 07:05:09,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 07:05:09,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 07:05:09,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 07:05:09,219 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 07:05:09,219 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 07:05:09,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 07:05:09,220 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_0eb50c58-677b-494a-981b-93e422f4f9a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85aa73e9da404b3237f6b534f76a96725f8c968f66c8526708e2a81ace8745de [2023-11-29 07:05:09,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 07:05:09,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 07:05:09,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 07:05:09,482 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 07:05:09,483 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 07:05:09,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-55.i [2023-11-29 07:05:12,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 07:05:12,527 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 07:05:12,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-55.i [2023-11-29 07:05:12,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/data/0cd02e567/22509270368341c39702a28bf4cea2b1/FLAG80e8a8013 [2023-11-29 07:05:12,549 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/data/0cd02e567/22509270368341c39702a28bf4cea2b1 [2023-11-29 07:05:12,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 07:05:12,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 07:05:12,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 07:05:12,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 07:05:12,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 07:05:12,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:05:12" (1/1) ... [2023-11-29 07:05:12,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e13d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:12, skipping insertion in model container [2023-11-29 07:05:12,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:05:12" (1/1) ... [2023-11-29 07:05:12,595 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 07:05:12,726 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_0eb50c58-677b-494a-981b-93e422f4f9a5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-55.i[916,929] [2023-11-29 07:05:12,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:05:12,797 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 07:05:12,812 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_0eb50c58-677b-494a-981b-93e422f4f9a5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-55.i[916,929] [2023-11-29 07:05:12,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:05:12,871 INFO L206 MainTranslator]: Completed translation [2023-11-29 07:05:12,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:12 WrapperNode [2023-11-29 07:05:12,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 07:05:12,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 07:05:12,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 07:05:12,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 07:05:12,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:12" (1/1) ... [2023-11-29 07:05:12,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:12" (1/1) ... [2023-11-29 07:05:12,950 INFO L138 Inliner]: procedures = 29, calls = 138, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 401 [2023-11-29 07:05:12,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 07:05:12,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 07:05:12,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 07:05:12,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 07:05:12,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:12" (1/1) ... [2023-11-29 07:05:12,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:12" (1/1) ... [2023-11-29 07:05:12,974 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:12" (1/1) ... [2023-11-29 07:05:13,002 INFO L175 MemorySlicer]: Split 108 memory accesses to 8 slices as follows [2, 14, 37, 3, 6, 24, 3, 19]. 34 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 2, 5, 1, 1, 3, 1, 1]. The 17 writes are split as follows [0, 2, 5, 1, 2, 3, 1, 3]. [2023-11-29 07:05:13,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:12" (1/1) ... [2023-11-29 07:05:13,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:12" (1/1) ... [2023-11-29 07:05:13,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:12" (1/1) ... [2023-11-29 07:05:13,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:12" (1/1) ... [2023-11-29 07:05:13,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:12" (1/1) ... [2023-11-29 07:05:13,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:12" (1/1) ... [2023-11-29 07:05:13,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 07:05:13,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 07:05:13,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 07:05:13,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 07:05:13,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:12" (1/1) ... [2023-11-29 07:05:13,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:05:13,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:05:13,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 07:05:13,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 07:05:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 07:05:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 07:05:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 07:05:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-29 07:05:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-29 07:05:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-29 07:05:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-29 07:05:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-29 07:05:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2023-11-29 07:05:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 07:05:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 07:05:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 07:05:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 07:05:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 07:05:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 07:05:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 07:05:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 07:05:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 07:05:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 07:05:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-29 07:05:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-29 07:05:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-29 07:05:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-29 07:05:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-11-29 07:05:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2023-11-29 07:05:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 07:05:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 07:05:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 07:05:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 07:05:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 07:05:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 07:05:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 07:05:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 07:05:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 07:05:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 07:05:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-29 07:05:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-29 07:05:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-29 07:05:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-29 07:05:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-11-29 07:05:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2023-11-29 07:05:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 07:05:13,144 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 07:05:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 07:05:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 07:05:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 07:05:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 07:05:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 07:05:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 07:05:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 07:05:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 07:05:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 07:05:13,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 07:05:13,318 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 07:05:13,321 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 07:05:13,777 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 07:05:13,850 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 07:05:13,850 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 07:05:13,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:05:13 BoogieIcfgContainer [2023-11-29 07:05:13,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 07:05:13,854 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 07:05:13,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 07:05:13,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 07:05:13,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:05:12" (1/3) ... [2023-11-29 07:05:13,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2b997b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:05:13, skipping insertion in model container [2023-11-29 07:05:13,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:12" (2/3) ... [2023-11-29 07:05:13,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2b997b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:05:13, skipping insertion in model container [2023-11-29 07:05:13,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:05:13" (3/3) ... [2023-11-29 07:05:13,861 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-55.i [2023-11-29 07:05:13,884 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 07:05:13,885 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 07:05:13,943 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 07:05:13,951 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;@56864c70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 07:05:13,952 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 07:05:13,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 85 states have (on average 1.4941176470588236) internal successors, (127), 86 states have internal predecessors, (127), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 07:05:13,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 07:05:13,973 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:13,974 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:13,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:13,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:13,981 INFO L85 PathProgramCache]: Analyzing trace with hash 263919086, now seen corresponding path program 1 times [2023-11-29 07:05:13,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:13,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108816829] [2023-11-29 07:05:13,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:13,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,388 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:14,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:14,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108816829] [2023-11-29 07:05:14,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108816829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:14,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:14,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:05:14,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208714687] [2023-11-29 07:05:14,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:14,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 07:05:14,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:14,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 07:05:14,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 07:05:14,437 INFO L87 Difference]: Start difference. First operand has 100 states, 85 states have (on average 1.4941176470588236) internal successors, (127), 86 states have internal predecessors, (127), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:05:14,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:14,490 INFO L93 Difference]: Finished difference Result 197 states and 312 transitions. [2023-11-29 07:05:14,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 07:05:14,493 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2023-11-29 07:05:14,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:14,503 INFO L225 Difference]: With dead ends: 197 [2023-11-29 07:05:14,504 INFO L226 Difference]: Without dead ends: 98 [2023-11-29 07:05:14,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 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 07:05:14,512 INFO L413 NwaCegarLoop]: 142 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, 142 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 07:05:14,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:05:14,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-29 07:05:14,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2023-11-29 07:05:14,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 84 states have internal predecessors, (122), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 07:05:14,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 146 transitions. [2023-11-29 07:05:14,567 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 146 transitions. Word has length 110 [2023-11-29 07:05:14,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:14,567 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 146 transitions. [2023-11-29 07:05:14,568 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:05:14,568 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 146 transitions. [2023-11-29 07:05:14,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 07:05:14,572 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:14,572 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:14,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 07:05:14,573 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:14,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:14,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1918880418, now seen corresponding path program 1 times [2023-11-29 07:05:14,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:14,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073151453] [2023-11-29 07:05:14,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:14,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:14,917 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:14,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:14,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073151453] [2023-11-29 07:05:14,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073151453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:14,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:14,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 07:05:14,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770799562] [2023-11-29 07:05:14,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:14,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:05:14,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:14,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:05:14,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:05:14,923 INFO L87 Difference]: Start difference. First operand 98 states and 146 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:05:14,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:14,997 INFO L93 Difference]: Finished difference Result 201 states and 300 transitions. [2023-11-29 07:05:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:05:14,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2023-11-29 07:05:14,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:15,001 INFO L225 Difference]: With dead ends: 201 [2023-11-29 07:05:15,001 INFO L226 Difference]: Without dead ends: 104 [2023-11-29 07:05:15,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 07:05:15,005 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 10 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 415 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 07:05:15,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 415 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:05:15,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-29 07:05:15,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2023-11-29 07:05:15,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 86 states have (on average 1.441860465116279) internal successors, (124), 86 states have internal predecessors, (124), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 07:05:15,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 148 transitions. [2023-11-29 07:05:15,025 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 148 transitions. Word has length 110 [2023-11-29 07:05:15,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:15,026 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 148 transitions. [2023-11-29 07:05:15,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:05:15,027 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 148 transitions. [2023-11-29 07:05:15,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 07:05:15,030 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:15,030 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:15,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 07:05:15,031 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:15,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:15,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1186912992, now seen corresponding path program 1 times [2023-11-29 07:05:15,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:15,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805083534] [2023-11-29 07:05:15,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:15,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,293 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:15,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:15,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805083534] [2023-11-29 07:05:15,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805083534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:15,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:15,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 07:05:15,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374895093] [2023-11-29 07:05:15,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:15,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:05:15,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:15,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:05:15,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:05:15,297 INFO L87 Difference]: Start difference. First operand 100 states and 148 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:15,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:15,354 INFO L93 Difference]: Finished difference Result 211 states and 312 transitions. [2023-11-29 07:05:15,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:05:15,355 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2023-11-29 07:05:15,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:15,358 INFO L225 Difference]: With dead ends: 211 [2023-11-29 07:05:15,358 INFO L226 Difference]: Without dead ends: 112 [2023-11-29 07:05:15,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 07:05:15,361 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 21 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 417 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 07:05:15,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 417 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:05:15,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-29 07:05:15,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 102. [2023-11-29 07:05:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 88 states have (on average 1.4318181818181819) internal successors, (126), 88 states have internal predecessors, (126), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 07:05:15,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 150 transitions. [2023-11-29 07:05:15,375 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 150 transitions. Word has length 110 [2023-11-29 07:05:15,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:15,376 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 150 transitions. [2023-11-29 07:05:15,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:15,377 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 150 transitions. [2023-11-29 07:05:15,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 07:05:15,379 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:15,380 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:15,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 07:05:15,380 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:15,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:15,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1996259618, now seen corresponding path program 1 times [2023-11-29 07:05:15,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:15,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746898995] [2023-11-29 07:05:15,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:15,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,592 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:15,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:15,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746898995] [2023-11-29 07:05:15,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746898995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:15,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:15,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 07:05:15,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868448743] [2023-11-29 07:05:15,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:15,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:05:15,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:15,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:05:15,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:05:15,596 INFO L87 Difference]: Start difference. First operand 102 states and 150 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:15,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:15,642 INFO L93 Difference]: Finished difference Result 207 states and 304 transitions. [2023-11-29 07:05:15,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:05:15,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2023-11-29 07:05:15,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:15,645 INFO L225 Difference]: With dead ends: 207 [2023-11-29 07:05:15,645 INFO L226 Difference]: Without dead ends: 106 [2023-11-29 07:05:15,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 07:05:15,647 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 3 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:15,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 415 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:05:15,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-29 07:05:15,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2023-11-29 07:05:15,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 90 states have (on average 1.4222222222222223) internal successors, (128), 90 states have internal predecessors, (128), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 07:05:15,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 152 transitions. [2023-11-29 07:05:15,659 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 152 transitions. Word has length 110 [2023-11-29 07:05:15,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:15,660 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 152 transitions. [2023-11-29 07:05:15,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:15,660 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 152 transitions. [2023-11-29 07:05:15,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 07:05:15,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:15,663 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:15,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 07:05:15,663 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:15,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:15,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1996200036, now seen corresponding path program 1 times [2023-11-29 07:05:15,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:15,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566549583] [2023-11-29 07:05:15,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:15,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:15,813 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:15,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:15,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566549583] [2023-11-29 07:05:15,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566549583] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:15,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:15,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 07:05:15,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354736130] [2023-11-29 07:05:15,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:15,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:05:15,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:15,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:05:15,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:05:15,817 INFO L87 Difference]: Start difference. First operand 104 states and 152 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:15,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:15,845 INFO L93 Difference]: Finished difference Result 207 states and 303 transitions. [2023-11-29 07:05:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:05:15,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2023-11-29 07:05:15,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:15,848 INFO L225 Difference]: With dead ends: 207 [2023-11-29 07:05:15,849 INFO L226 Difference]: Without dead ends: 104 [2023-11-29 07:05:15,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:05:15,851 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 4 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:15,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 272 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:05:15,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-29 07:05:15,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-11-29 07:05:15,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 90 states have (on average 1.4111111111111112) internal successors, (127), 90 states have internal predecessors, (127), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 07:05:15,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 151 transitions. [2023-11-29 07:05:15,863 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 151 transitions. Word has length 110 [2023-11-29 07:05:15,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:15,864 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 151 transitions. [2023-11-29 07:05:15,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:15,864 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-29 07:05:15,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 07:05:15,866 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:15,867 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:15,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 07:05:15,867 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:15,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:15,868 INFO L85 PathProgramCache]: Analyzing trace with hash -207530429, now seen corresponding path program 1 times [2023-11-29 07:05:15,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:15,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097932844] [2023-11-29 07:05:15,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:15,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:16,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:16,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:16,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:16,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:16,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:16,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:16,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:16,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:16,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:16,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:16,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:16,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:16,175 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:16,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:16,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097932844] [2023-11-29 07:05:16,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097932844] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:16,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:16,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:05:16,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68958435] [2023-11-29 07:05:16,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:16,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:05:16,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:16,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:05:16,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:05:16,178 INFO L87 Difference]: Start difference. First operand 104 states and 151 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:16,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:16,465 INFO L93 Difference]: Finished difference Result 312 states and 453 transitions. [2023-11-29 07:05:16,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 07:05:16,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 112 [2023-11-29 07:05:16,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:16,470 INFO L225 Difference]: With dead ends: 312 [2023-11-29 07:05:16,470 INFO L226 Difference]: Without dead ends: 209 [2023-11-29 07:05:16,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 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 07:05:16,472 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 151 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:16,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 699 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 07:05:16,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2023-11-29 07:05:16,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 204. [2023-11-29 07:05:16,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 177 states have (on average 1.4011299435028248) internal successors, (248), 177 states have internal predecessors, (248), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 07:05:16,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 296 transitions. [2023-11-29 07:05:16,497 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 296 transitions. Word has length 112 [2023-11-29 07:05:16,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:16,498 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 296 transitions. [2023-11-29 07:05:16,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:16,498 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 296 transitions. [2023-11-29 07:05:16,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 07:05:16,500 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:16,500 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:16,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 07:05:16,500 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:16,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:16,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1481413313, now seen corresponding path program 1 times [2023-11-29 07:05:16,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:16,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529219552] [2023-11-29 07:05:16,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:16,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:17,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:17,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529219552] [2023-11-29 07:05:17,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529219552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:17,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:17,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 07:05:17,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704960314] [2023-11-29 07:05:17,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:17,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:05:17,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:17,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:05:17,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:05:17,081 INFO L87 Difference]: Start difference. First operand 204 states and 296 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:17,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:17,413 INFO L93 Difference]: Finished difference Result 511 states and 742 transitions. [2023-11-29 07:05:17,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:05:17,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 112 [2023-11-29 07:05:17,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:17,426 INFO L225 Difference]: With dead ends: 511 [2023-11-29 07:05:17,426 INFO L226 Difference]: Without dead ends: 308 [2023-11-29 07:05:17,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-29 07:05:17,428 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 176 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:17,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 581 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 07:05:17,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2023-11-29 07:05:17,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 263. [2023-11-29 07:05:17,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 223 states have (on average 1.3946188340807175) internal successors, (311), 223 states have internal predecessors, (311), 36 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 07:05:17,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 383 transitions. [2023-11-29 07:05:17,457 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 383 transitions. Word has length 112 [2023-11-29 07:05:17,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:17,458 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 383 transitions. [2023-11-29 07:05:17,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:17,458 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 383 transitions. [2023-11-29 07:05:17,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 07:05:17,460 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:17,460 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:17,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 07:05:17,461 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:17,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:17,461 INFO L85 PathProgramCache]: Analyzing trace with hash 11324289, now seen corresponding path program 1 times [2023-11-29 07:05:17,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:17,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349125300] [2023-11-29 07:05:17,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:17,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:17,992 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:17,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:17,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349125300] [2023-11-29 07:05:17,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349125300] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:17,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:17,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 07:05:17,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250051036] [2023-11-29 07:05:17,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:17,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:05:17,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:17,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:05:17,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:05:17,995 INFO L87 Difference]: Start difference. First operand 263 states and 383 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:05:18,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:18,131 INFO L93 Difference]: Finished difference Result 584 states and 836 transitions. [2023-11-29 07:05:18,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 07:05:18,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2023-11-29 07:05:18,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:18,140 INFO L225 Difference]: With dead ends: 584 [2023-11-29 07:05:18,141 INFO L226 Difference]: Without dead ends: 379 [2023-11-29 07:05:18,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:05:18,143 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 71 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:18,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 644 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 07:05:18,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2023-11-29 07:05:18,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 375. [2023-11-29 07:05:18,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 328 states have (on average 1.3841463414634145) internal successors, (454), 330 states have internal predecessors, (454), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 07:05:18,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 534 transitions. [2023-11-29 07:05:18,172 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 534 transitions. Word has length 112 [2023-11-29 07:05:18,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:18,173 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 534 transitions. [2023-11-29 07:05:18,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:05:18,173 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 534 transitions. [2023-11-29 07:05:18,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 07:05:18,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:18,174 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:18,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 07:05:18,175 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:18,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:18,175 INFO L85 PathProgramCache]: Analyzing trace with hash -122689217, now seen corresponding path program 1 times [2023-11-29 07:05:18,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:18,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391232911] [2023-11-29 07:05:18,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:18,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:18,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:18,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:18,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:18,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:18,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:18,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:18,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:18,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:18,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:18,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:18,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:18,717 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:18,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:18,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391232911] [2023-11-29 07:05:18,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391232911] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:18,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:18,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 07:05:18,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021417934] [2023-11-29 07:05:18,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:18,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:05:18,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:18,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:05:18,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:05:18,720 INFO L87 Difference]: Start difference. First operand 375 states and 534 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:18,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:18,937 INFO L93 Difference]: Finished difference Result 736 states and 1048 transitions. [2023-11-29 07:05:18,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 07:05:18,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 112 [2023-11-29 07:05:18,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:18,943 INFO L225 Difference]: With dead ends: 736 [2023-11-29 07:05:18,943 INFO L226 Difference]: Without dead ends: 429 [2023-11-29 07:05:18,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 07:05:18,945 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 127 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:18,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 616 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 07:05:18,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2023-11-29 07:05:18,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 379. [2023-11-29 07:05:18,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 332 states have (on average 1.3795180722891567) internal successors, (458), 334 states have internal predecessors, (458), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 07:05:18,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 538 transitions. [2023-11-29 07:05:18,980 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 538 transitions. Word has length 112 [2023-11-29 07:05:18,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:18,980 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 538 transitions. [2023-11-29 07:05:18,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:18,981 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 538 transitions. [2023-11-29 07:05:18,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 07:05:18,982 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:18,982 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:18,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 07:05:18,983 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:18,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:18,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1270936615, now seen corresponding path program 1 times [2023-11-29 07:05:18,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:18,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133393146] [2023-11-29 07:05:18,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:18,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:19,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:19,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:19,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:19,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:19,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:19,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:19,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:19,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:19,417 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:19,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:19,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133393146] [2023-11-29 07:05:19,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133393146] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:19,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:19,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 07:05:19,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168256321] [2023-11-29 07:05:19,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:19,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:05:19,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:19,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:05:19,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:05:19,420 INFO L87 Difference]: Start difference. First operand 379 states and 538 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:19,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:19,585 INFO L93 Difference]: Finished difference Result 1011 states and 1437 transitions. [2023-11-29 07:05:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 07:05:19,585 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 114 [2023-11-29 07:05:19,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:19,591 INFO L225 Difference]: With dead ends: 1011 [2023-11-29 07:05:19,592 INFO L226 Difference]: Without dead ends: 694 [2023-11-29 07:05:19,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 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 07:05:19,594 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 211 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:19,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 671 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 07:05:19,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2023-11-29 07:05:19,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 688. [2023-11-29 07:05:19,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 609 states have (on average 1.3661740558292284) internal successors, (832), 613 states have internal predecessors, (832), 68 states have call successors, (68), 10 states have call predecessors, (68), 10 states have return successors, (68), 64 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-29 07:05:19,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 968 transitions. [2023-11-29 07:05:19,660 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 968 transitions. Word has length 114 [2023-11-29 07:05:19,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:19,661 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 968 transitions. [2023-11-29 07:05:19,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:19,661 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 968 transitions. [2023-11-29 07:05:19,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 07:05:19,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:19,663 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:19,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 07:05:19,664 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:19,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:19,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1100802647, now seen corresponding path program 1 times [2023-11-29 07:05:19,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:19,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914563764] [2023-11-29 07:05:19,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:19,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,145 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:20,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:20,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914563764] [2023-11-29 07:05:20,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914563764] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:20,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:20,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 07:05:20,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91936055] [2023-11-29 07:05:20,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:20,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:05:20,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:20,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:05:20,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:05:20,148 INFO L87 Difference]: Start difference. First operand 688 states and 968 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:05:20,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:20,358 INFO L93 Difference]: Finished difference Result 1427 states and 1998 transitions. [2023-11-29 07:05:20,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 07:05:20,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 114 [2023-11-29 07:05:20,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:20,366 INFO L225 Difference]: With dead ends: 1427 [2023-11-29 07:05:20,366 INFO L226 Difference]: Without dead ends: 806 [2023-11-29 07:05:20,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:05:20,369 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 105 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:20,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 971 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 07:05:20,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2023-11-29 07:05:20,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 540. [2023-11-29 07:05:20,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 469 states have (on average 1.3432835820895523) internal successors, (630), 469 states have internal predecessors, (630), 60 states have call successors, (60), 10 states have call predecessors, (60), 10 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 07:05:20,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 750 transitions. [2023-11-29 07:05:20,430 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 750 transitions. Word has length 114 [2023-11-29 07:05:20,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:20,431 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 750 transitions. [2023-11-29 07:05:20,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:05:20,431 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 750 transitions. [2023-11-29 07:05:20,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 07:05:20,433 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:20,433 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:20,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 07:05:20,434 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:20,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:20,434 INFO L85 PathProgramCache]: Analyzing trace with hash -271008604, now seen corresponding path program 1 times [2023-11-29 07:05:20,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:20,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872642681] [2023-11-29 07:05:20,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:20,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:20,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:20,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872642681] [2023-11-29 07:05:20,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872642681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:20,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:20,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 07:05:20,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7210022] [2023-11-29 07:05:20,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:20,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:05:20,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:20,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:05:20,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:05:20,948 INFO L87 Difference]: Start difference. First operand 540 states and 750 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:05:21,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:21,135 INFO L93 Difference]: Finished difference Result 1363 states and 1892 transitions. [2023-11-29 07:05:21,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 07:05:21,136 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 114 [2023-11-29 07:05:21,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:21,144 INFO L225 Difference]: With dead ends: 1363 [2023-11-29 07:05:21,144 INFO L226 Difference]: Without dead ends: 890 [2023-11-29 07:05:21,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:05:21,147 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 219 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:21,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 541 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 07:05:21,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2023-11-29 07:05:21,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 572. [2023-11-29 07:05:21,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 501 states have (on average 1.3493013972055887) internal successors, (676), 501 states have internal predecessors, (676), 60 states have call successors, (60), 10 states have call predecessors, (60), 10 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 07:05:21,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 796 transitions. [2023-11-29 07:05:21,224 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 796 transitions. Word has length 114 [2023-11-29 07:05:21,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:21,225 INFO L495 AbstractCegarLoop]: Abstraction has 572 states and 796 transitions. [2023-11-29 07:05:21,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:05:21,225 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 796 transitions. [2023-11-29 07:05:21,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 07:05:21,227 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:21,228 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:21,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 07:05:21,228 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:21,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:21,228 INFO L85 PathProgramCache]: Analyzing trace with hash -857814618, now seen corresponding path program 1 times [2023-11-29 07:05:21,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:21,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820629078] [2023-11-29 07:05:21,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:21,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,462 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:21,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:21,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820629078] [2023-11-29 07:05:21,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820629078] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:21,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:21,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:05:21,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995703197] [2023-11-29 07:05:21,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:21,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:05:21,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:21,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:05:21,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:05:21,465 INFO L87 Difference]: Start difference. First operand 572 states and 796 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:21,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:21,567 INFO L93 Difference]: Finished difference Result 1161 states and 1621 transitions. [2023-11-29 07:05:21,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 07:05:21,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 114 [2023-11-29 07:05:21,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:21,573 INFO L225 Difference]: With dead ends: 1161 [2023-11-29 07:05:21,573 INFO L226 Difference]: Without dead ends: 656 [2023-11-29 07:05:21,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:05:21,576 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 80 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:21,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 544 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:05:21,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2023-11-29 07:05:21,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 584. [2023-11-29 07:05:21,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 513 states have (on average 1.341130604288499) internal successors, (688), 513 states have internal predecessors, (688), 60 states have call successors, (60), 10 states have call predecessors, (60), 10 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 07:05:21,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 808 transitions. [2023-11-29 07:05:21,638 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 808 transitions. Word has length 114 [2023-11-29 07:05:21,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:21,639 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 808 transitions. [2023-11-29 07:05:21,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:21,639 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 808 transitions. [2023-11-29 07:05:21,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-29 07:05:21,641 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:21,641 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:21,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 07:05:21,641 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:21,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:21,642 INFO L85 PathProgramCache]: Analyzing trace with hash -419057554, now seen corresponding path program 1 times [2023-11-29 07:05:21,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:21,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571931078] [2023-11-29 07:05:21,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:21,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:21,860 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:21,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:21,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571931078] [2023-11-29 07:05:21,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571931078] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:21,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:21,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:05:21,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754225568] [2023-11-29 07:05:21,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:21,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:05:21,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:21,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:05:21,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:05:21,863 INFO L87 Difference]: Start difference. First operand 584 states and 808 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:21,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:21,958 INFO L93 Difference]: Finished difference Result 1237 states and 1709 transitions. [2023-11-29 07:05:21,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 07:05:21,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 115 [2023-11-29 07:05:21,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:21,963 INFO L225 Difference]: With dead ends: 1237 [2023-11-29 07:05:21,964 INFO L226 Difference]: Without dead ends: 720 [2023-11-29 07:05:21,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:05:21,966 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 66 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:21,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 599 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:05:21,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2023-11-29 07:05:22,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 600. [2023-11-29 07:05:22,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 529 states have (on average 1.330812854442344) internal successors, (704), 529 states have internal predecessors, (704), 60 states have call successors, (60), 10 states have call predecessors, (60), 10 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 07:05:22,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 824 transitions. [2023-11-29 07:05:22,025 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 824 transitions. Word has length 115 [2023-11-29 07:05:22,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:22,025 INFO L495 AbstractCegarLoop]: Abstraction has 600 states and 824 transitions. [2023-11-29 07:05:22,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:22,025 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 824 transitions. [2023-11-29 07:05:22,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 07:05:22,027 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:22,027 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:22,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 07:05:22,028 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:22,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:22,028 INFO L85 PathProgramCache]: Analyzing trace with hash 968295785, now seen corresponding path program 1 times [2023-11-29 07:05:22,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:22,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695040810] [2023-11-29 07:05:22,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:22,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,270 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:22,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:22,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695040810] [2023-11-29 07:05:22,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695040810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:22,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:22,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 07:05:22,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480149048] [2023-11-29 07:05:22,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:22,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:05:22,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:22,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:05:22,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:05:22,272 INFO L87 Difference]: Start difference. First operand 600 states and 824 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:22,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:22,406 INFO L93 Difference]: Finished difference Result 983 states and 1349 transitions. [2023-11-29 07:05:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:05:22,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 117 [2023-11-29 07:05:22,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:22,412 INFO L225 Difference]: With dead ends: 983 [2023-11-29 07:05:22,412 INFO L226 Difference]: Without dead ends: 714 [2023-11-29 07:05:22,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:05:22,414 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 145 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:22,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 708 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 07:05:22,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2023-11-29 07:05:22,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 620. [2023-11-29 07:05:22,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 549 states have (on average 1.336976320582878) internal successors, (734), 549 states have internal predecessors, (734), 60 states have call successors, (60), 10 states have call predecessors, (60), 10 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 07:05:22,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 854 transitions. [2023-11-29 07:05:22,470 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 854 transitions. Word has length 117 [2023-11-29 07:05:22,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:22,470 INFO L495 AbstractCegarLoop]: Abstraction has 620 states and 854 transitions. [2023-11-29 07:05:22,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:22,471 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 854 transitions. [2023-11-29 07:05:22,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 07:05:22,472 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:22,473 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:22,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 07:05:22,473 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:22,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:22,474 INFO L85 PathProgramCache]: Analyzing trace with hash -52772569, now seen corresponding path program 1 times [2023-11-29 07:05:22,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:22,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659547565] [2023-11-29 07:05:22,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:22,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:22,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:22,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659547565] [2023-11-29 07:05:22,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659547565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:22,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:22,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 07:05:22,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666529145] [2023-11-29 07:05:22,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:22,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:05:22,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:22,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:05:22,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:05:22,639 INFO L87 Difference]: Start difference. First operand 620 states and 854 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:22,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:22,731 INFO L93 Difference]: Finished difference Result 1415 states and 1942 transitions. [2023-11-29 07:05:22,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 07:05:22,731 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 117 [2023-11-29 07:05:22,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:22,738 INFO L225 Difference]: With dead ends: 1415 [2023-11-29 07:05:22,738 INFO L226 Difference]: Without dead ends: 854 [2023-11-29 07:05:22,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:05:22,740 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 75 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:22,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 431 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:05:22,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2023-11-29 07:05:22,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 596. [2023-11-29 07:05:22,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 525 states have (on average 1.321904761904762) internal successors, (694), 525 states have internal predecessors, (694), 60 states have call successors, (60), 10 states have call predecessors, (60), 10 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 07:05:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 814 transitions. [2023-11-29 07:05:22,806 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 814 transitions. Word has length 117 [2023-11-29 07:05:22,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:22,807 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 814 transitions. [2023-11-29 07:05:22,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:22,807 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 814 transitions. [2023-11-29 07:05:22,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-29 07:05:22,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:22,809 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:22,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 07:05:22,809 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:22,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:22,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1008957929, now seen corresponding path program 1 times [2023-11-29 07:05:22,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:22,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660049882] [2023-11-29 07:05:22,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:22,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:05:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 07:05:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 07:05:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:22,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 07:05:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:23,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:05:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:23,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-29 07:05:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:23,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 07:05:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:23,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-29 07:05:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:23,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:05:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:23,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:05:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:23,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 07:05:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:23,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 07:05:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:23,035 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:23,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:05:23,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660049882] [2023-11-29 07:05:23,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660049882] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:23,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:23,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 07:05:23,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722749743] [2023-11-29 07:05:23,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:23,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 07:05:23,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:05:23,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 07:05:23,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:05:23,039 INFO L87 Difference]: Start difference. First operand 596 states and 814 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:23,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:23,229 INFO L93 Difference]: Finished difference Result 1363 states and 1851 transitions. [2023-11-29 07:05:23,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 07:05:23,230 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 119 [2023-11-29 07:05:23,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:23,235 INFO L225 Difference]: With dead ends: 1363 [2023-11-29 07:05:23,235 INFO L226 Difference]: Without dead ends: 834 [2023-11-29 07:05:23,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 07:05:23,238 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 315 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:23,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 744 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 07:05:23,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2023-11-29 07:05:23,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 596. [2023-11-29 07:05:23,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 525 states have (on average 1.3066666666666666) internal successors, (686), 525 states have internal predecessors, (686), 60 states have call successors, (60), 10 states have call predecessors, (60), 10 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 07:05:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 806 transitions. [2023-11-29 07:05:23,290 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 806 transitions. Word has length 119 [2023-11-29 07:05:23,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:23,290 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 806 transitions. [2023-11-29 07:05:23,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:23,291 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 806 transitions. [2023-11-29 07:05:23,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-29 07:05:23,292 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:23,292 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:23,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 07:05:23,293 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:23,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:23,293 INFO L85 PathProgramCache]: Analyzing trace with hash -985186777, now seen corresponding path program 1 times [2023-11-29 07:05:23,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:05:23,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406397249] [2023-11-29 07:05:23,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:23,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:05:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 07:05:23,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 07:05:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 07:05:23,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 07:05:23,524 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 07:05:23,525 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 07:05:23,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 07:05:23,531 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:05:23,535 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 07:05:23,594 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem29 could not be translated [2023-11-29 07:05:23,597 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-29 07:05:23,598 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-29 07:05:23,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-29 07:05:23,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-29 07:05:23,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-29 07:05:23,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-29 07:05:23,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-29 07:05:23,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-29 07:05:23,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-29 07:05:23,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-29 07:05:23,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-29 07:05:23,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-29 07:05:23,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-29 07:05:23,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-29 07:05:23,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-29 07:05:23,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-29 07:05:23,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-29 07:05:23,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-29 07:05:23,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-29 07:05:23,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-29 07:05:23,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-29 07:05:23,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-29 07:05:23,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-29 07:05:23,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-29 07:05:23,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-29 07:05:23,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-29 07:05:23,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-29 07:05:23,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-29 07:05:23,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-29 07:05:23,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-29 07:05:23,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-29 07:05:23,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-29 07:05:23,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-29 07:05:23,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-29 07:05:23,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-29 07:05:23,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-29 07:05:23,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-29 07:05:23,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-29 07:05:23,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-29 07:05:23,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-29 07:05:23,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-29 07:05:23,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-29 07:05:23,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-11-29 07:05:23,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-29 07:05:23,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-29 07:05:23,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-29 07:05:23,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-11-29 07:05:23,618 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-29 07:05:23,619 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-29 07:05:23,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-29 07:05:23,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 07:05:23,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short6 could not be translated [2023-11-29 07:05:23,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-11-29 07:05:23,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-29 07:05:23,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-29 07:05:23,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-11-29 07:05:23,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2023-11-29 07:05:23,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-29 07:05:23,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-29 07:05:23,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-11-29 07:05:23,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-29 07:05:23,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-29 07:05:23,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite21 could not be translated [2023-11-29 07:05:23,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2023-11-29 07:05:23,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-29 07:05:23,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-29 07:05:23,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-29 07:05:23,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-29 07:05:23,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 07:05:23,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-29 07:05:23,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 07:05:23,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 07:05:23,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-29 07:05:23,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-29 07:05:23,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 07:05:23,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-29 07:05:23,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 07:05:23,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-29 07:05:23,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-29 07:05:23,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 07:05:23,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 07:05:23,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 07:05:23,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated [2023-11-29 07:05:23,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-29 07:05:23,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-29 07:05:23,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-29 07:05:23,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 07:05:23,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 07:05:23,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-29 07:05:23,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-29 07:05:23,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 07:05:23,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 07:05:23,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 07:05:23,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated [2023-11-29 07:05:23,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 07:05:23,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 07:05:23,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-29 07:05:23,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-29 07:05:23,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-29 07:05:23,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-29 07:05:23,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 07:05:23,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 07:05:23,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-29 07:05:23,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-29 07:05:23,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 07:05:23,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-29 07:05:23,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 07:05:23,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-29 07:05:23,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-29 07:05:23,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 07:05:23,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-29 07:05:23,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-29 07:05:23,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated [2023-11-29 07:05:23,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 07:05:23,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 07:05:23,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 07:05:23,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short111 could not be translated [2023-11-29 07:05:23,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 07:05:23,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 07:05:23,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 07:05:23,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-29 07:05:23,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-29 07:05:23,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-29 07:05:23,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-29 07:05:23,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 07:05:23,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 07:05:23,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-29 07:05:23,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 07:05:23,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-29 07:05:23,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated [2023-11-29 07:05:23,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 07:05:23,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 07:05:23,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-29 07:05:23,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 07:05:23,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short111 could not be translated [2023-11-29 07:05:23,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated [2023-11-29 07:05:23,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-29 07:05:23,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-29 07:05:23,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 07:05:23,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-29 07:05:23,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 07:05:23,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-29 07:05:23,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-29 07:05:23,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 07:05:23,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short114 could not be translated [2023-11-29 07:05:23,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated [2023-11-29 07:05:23,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-29 07:05:23,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-29 07:05:23,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short117 could not be translated [2023-11-29 07:05:23,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-29 07:05:23,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-29 07:05:23,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-29 07:05:23,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-29 07:05:23,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short114 could not be translated [2023-11-29 07:05:23,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-29 07:05:23,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated [2023-11-29 07:05:23,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-29 07:05:23,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-29 07:05:23,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated [2023-11-29 07:05:23,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short111 could not be translated [2023-11-29 07:05:23,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-29 07:05:23,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:05:23 BoogieIcfgContainer [2023-11-29 07:05:23,665 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 07:05:23,666 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 07:05:23,666 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 07:05:23,666 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 07:05:23,666 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:05:13" (3/4) ... [2023-11-29 07:05:23,669 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 07:05:23,670 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 07:05:23,670 INFO L158 Benchmark]: Toolchain (without parser) took 11118.09ms. Allocated memory was 142.6MB in the beginning and 312.5MB in the end (delta: 169.9MB). Free memory was 105.1MB in the beginning and 113.7MB in the end (delta: -8.7MB). Peak memory consumption was 163.8MB. Max. memory is 16.1GB. [2023-11-29 07:05:23,671 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory was 57.8MB in the beginning and 57.6MB in the end (delta: 237.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:05:23,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.77ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 90.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 07:05:23,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.54ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 86.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 07:05:23,672 INFO L158 Benchmark]: Boogie Preprocessor took 103.91ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 81.1MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 07:05:23,673 INFO L158 Benchmark]: RCFGBuilder took 795.23ms. Allocated memory is still 142.6MB. Free memory was 81.1MB in the beginning and 109.5MB in the end (delta: -28.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2023-11-29 07:05:23,673 INFO L158 Benchmark]: TraceAbstraction took 9811.27ms. Allocated memory was 142.6MB in the beginning and 312.5MB in the end (delta: 169.9MB). Free memory was 108.7MB in the beginning and 113.7MB in the end (delta: -5.0MB). Peak memory consumption was 164.4MB. Max. memory is 16.1GB. [2023-11-29 07:05:23,673 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 312.5MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:05:23,675 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory was 57.8MB in the beginning and 57.6MB in the end (delta: 237.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.77ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 90.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.54ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 86.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.91ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 81.1MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 795.23ms. Allocated memory is still 142.6MB. Free memory was 81.1MB in the beginning and 109.5MB in the end (delta: -28.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * TraceAbstraction took 9811.27ms. Allocated memory was 142.6MB in the beginning and 312.5MB in the end (delta: 169.9MB). Free memory was 108.7MB in the beginning and 113.7MB in the end (delta: -5.0MB). Peak memory consumption was 164.4MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 312.5MB. Free memory is still 113.7MB. 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~mem29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 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~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 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~ite89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 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 someBinaryDOUBLEComparisonOperation at line 104, overapproximation of shiftRight at line 67, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L25-L27] double double_Array_0[5] = { 1.8, 63.5, 0.25, 256.75, 16.5 }; [L25-L27] double double_Array_0[5] = { 1.8, 63.5, 0.25, 256.75, 16.5 }; [L25-L27] double double_Array_0[5] = { 1.8, 63.5, 0.25, 256.75, 16.5 }; [L25-L27] double double_Array_0[5] = { 1.8, 63.5, 0.25, 256.75, 16.5 }; [L25-L27] double double_Array_0[5] = { 1.8, 63.5, 0.25, 256.75, 16.5 }; [L25-L27] double double_Array_0[5] = { 1.8, 63.5, 0.25, 256.75, 16.5 }; [L28-L30] float float_Array_0[1] = { 4.6 }; [L28-L30] float float_Array_0[1] = { 4.6 }; [L31-L33] signed long int signed_long_int_Array_0[1] = { -5 }; [L31-L33] signed long int signed_long_int_Array_0[1] = { -5 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 2, 128, 100 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 2, 128, 100 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 2, 128, 100 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 2, 128, 100 }; [L37-L39] unsigned long int unsigned_long_int_Array_0[1] = { 500 }; [L37-L39] unsigned long int unsigned_long_int_Array_0[1] = { 500 }; [L40-L42] unsigned short int unsigned_short_int_Array_0[1] = { 10 }; [L40-L42] unsigned short int unsigned_short_int_Array_0[1] = { 10 }; [L43] signed long int last_1_signed_long_int_Array_0_0_ = -5; [L44] unsigned char last_1_unsigned_char_Array_0_0_ = 2; [L108] isInitial = 1 [L109] FCALL initially() [L110] COND TRUE 1 [L111] CALL updateLastVariables() [L100] EXPR signed_long_int_Array_0[0] [L100] last_1_signed_long_int_Array_0_0_ = signed_long_int_Array_0[0] [L101] EXPR unsigned_char_Array_0[0] [L101] last_1_unsigned_char_Array_0_0_ = unsigned_char_Array_0[0] [L111] RET updateLastVariables() [L112] CALL updateVariables() [L78] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L79] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L80] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L80] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L80] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L81] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L82] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L82] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L82] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L83] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L83] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L83] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L84] double_Array_0[0] = __VERIFIER_nondet_double() [L85] EXPR double_Array_0[0] [L85] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L85] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L85] EXPR double_Array_0[0] [L85] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L85] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 2305843.009213691390e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L85] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 2305843.009213691390e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L85] CALL assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 2305843.009213691390e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L85] RET assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 2305843.009213691390e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L86] double_Array_0[1] = __VERIFIER_nondet_double() [L87] EXPR double_Array_0[1] [L87] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L87] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F [L87] EXPR double_Array_0[1] [L87] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L87] EXPR (double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 2305843.009213691390e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L87] EXPR (double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 2305843.009213691390e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L87] CALL assume_abort_if_not((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 2305843.009213691390e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L87] RET assume_abort_if_not((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 2305843.009213691390e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L88] double_Array_0[2] = __VERIFIER_nondet_double() [L89] EXPR double_Array_0[2] [L89] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L89] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F [L89] EXPR double_Array_0[2] [L89] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L89] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 4611686.018427382800e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L89] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 4611686.018427382800e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L89] CALL assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 4611686.018427382800e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L89] RET assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 4611686.018427382800e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L90] double_Array_0[4] = __VERIFIER_nondet_double() [L91] EXPR double_Array_0[4] [L91] EXPR double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L91] EXPR double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F [L91] EXPR double_Array_0[4] [L91] EXPR double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L91] EXPR (double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 9223372.036854765600e+12F && double_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L91] EXPR (double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 9223372.036854765600e+12F && double_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L91] CALL assume_abort_if_not((double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 9223372.036854765600e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L91] RET assume_abort_if_not((double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 9223372.036854765600e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L92] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L93] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L93] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L93] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L94] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L94] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L94] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L95] unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L96] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L96] CALL assume_abort_if_not(unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L96] RET assume_abort_if_not(unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L97] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L97] CALL assume_abort_if_not(unsigned_char_Array_0[2] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L97] RET assume_abort_if_not(unsigned_char_Array_0[2] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L112] RET updateVariables() [L113] CALL step() [L48] unsigned char stepLocal_1 = last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_; [L49] signed long int stepLocal_0 = last_1_unsigned_char_Array_0_0_; [L50] BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L50] COND TRUE BOOL_unsigned_char_Array_0[1] [L51] stepLocal_1 && BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, stepLocal_0=2, stepLocal_1=0, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L51] stepLocal_1 && BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L51] COND FALSE !(stepLocal_1 && BOOL_unsigned_char_Array_0[0]) [L61] BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L61] COND TRUE BOOL_unsigned_char_Array_0[1] [L62] EXPR double_Array_0[1] [L62] EXPR double_Array_0[0] [L62] EXPR double_Array_0[2] [L62] EXPR double_Array_0[4] [L62] double_Array_0[3] = (((double_Array_0[1] + double_Array_0[0]) + double_Array_0[2]) - double_Array_0[4]) [L64] EXPR double_Array_0[1] [L64] float_Array_0[0] = double_Array_0[1] [L65] EXPR unsigned_char_Array_0[1] [L65] unsigned_long_int_Array_0[0] = unsigned_char_Array_0[1] [L66] EXPR unsigned_char_Array_0[2] [L66] unsigned_char_Array_0[0] = unsigned_char_Array_0[2] [L67] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L67] EXPR -4 >> unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, stepLocal_0=2, stepLocal_1=0, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L67] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L67] EXPR (((-4 >> unsigned_short_int_Array_0[0])) < (unsigned_short_int_Array_0[0])) ? ((-4 >> unsigned_short_int_Array_0[0])) : (unsigned_short_int_Array_0[0]) [L67] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L67] EXPR -4 >> unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, stepLocal_0=2, stepLocal_1=0, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L67] EXPR (((-4 >> unsigned_short_int_Array_0[0])) < (unsigned_short_int_Array_0[0])) ? ((-4 >> unsigned_short_int_Array_0[0])) : (unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, stepLocal_0=2, stepLocal_1=0, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L67] signed long int stepLocal_3 = ((((-4 >> unsigned_short_int_Array_0[0])) < (unsigned_short_int_Array_0[0])) ? ((-4 >> unsigned_short_int_Array_0[0])) : (unsigned_short_int_Array_0[0])); [L68] EXPR unsigned_short_int_Array_0[0] [L68] signed long int stepLocal_2 = unsigned_short_int_Array_0[0] / -8; [L69] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L69] COND FALSE !((~ unsigned_char_Array_0[0]) <= stepLocal_3) [L74] EXPR unsigned_char_Array_0[0] [L74] EXPR unsigned_char_Array_0[1] [L74] signed_long_int_Array_0[0] = (unsigned_char_Array_0[0] - unsigned_char_Array_0[1]) [L113] RET step() [L114] CALL, EXPR property() [L104] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR BOOL_unsigned_char_Array_0[1] ? (((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) 5)) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((25) < (last_1_unsigned_char_Array_0_0_)) ? (25) : (last_1_unsigned_char_Array_0_0_)))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_0_)) [L104] EXPR (last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR (last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) 5)) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((25) < (last_1_unsigned_char_Array_0_0_)) ? (25) : (last_1_unsigned_char_Array_0_0_)))))) : 1 [L104] EXPR ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) 5)) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((25) < (last_1_unsigned_char_Array_0_0_)) ? (25) : (last_1_unsigned_char_Array_0_0_)))))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR BOOL_unsigned_char_Array_0[1] ? (((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) 5)) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((25) < (last_1_unsigned_char_Array_0_0_)) ? (25) : (last_1_unsigned_char_Array_0_0_)))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_0_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR (BOOL_unsigned_char_Array_0[1] ? (((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) 5)) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((25) < (last_1_unsigned_char_Array_0_0_)) ? (25) : (last_1_unsigned_char_Array_0_0_)))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_0_))) && (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[3] == ((double) (((double_Array_0[1] + double_Array_0[0]) + double_Array_0[2]) - double_Array_0[4]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR (BOOL_unsigned_char_Array_0[1] ? (((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) 5)) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((25) < (last_1_unsigned_char_Array_0_0_)) ? (25) : (last_1_unsigned_char_Array_0_0_)))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_0_))) && (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[3] == ((double) (((double_Array_0[1] + double_Array_0[0]) + double_Array_0[2]) - double_Array_0[4]))) : 1) [L104] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR BOOL_unsigned_char_Array_0[1] ? (double_Array_0[3] == ((double) (((double_Array_0[1] + double_Array_0[0]) + double_Array_0[2]) - double_Array_0[4]))) : 1 [L104] EXPR double_Array_0[3] [L104] EXPR double_Array_0[1] [L104] EXPR double_Array_0[0] [L104] EXPR double_Array_0[2] [L104] EXPR double_Array_0[4] [L104] EXPR BOOL_unsigned_char_Array_0[1] ? (double_Array_0[3] == ((double) (((double_Array_0[1] + double_Array_0[0]) + double_Array_0[2]) - double_Array_0[4]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR (BOOL_unsigned_char_Array_0[1] ? (((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) 5)) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((25) < (last_1_unsigned_char_Array_0_0_)) ? (25) : (last_1_unsigned_char_Array_0_0_)))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_0_))) && (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[3] == ((double) (((double_Array_0[1] + double_Array_0[0]) + double_Array_0[2]) - double_Array_0[4]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR ((BOOL_unsigned_char_Array_0[1] ? (((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) 5)) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((25) < (last_1_unsigned_char_Array_0_0_)) ? (25) : (last_1_unsigned_char_Array_0_0_)))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_0_))) && (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[3] == ((double) (((double_Array_0[1] + double_Array_0[0]) + double_Array_0[2]) - double_Array_0[4]))) : 1)) && (((~ unsigned_char_Array_0[0]) <= (((((-4 >> unsigned_short_int_Array_0[0])) < (unsigned_short_int_Array_0[0])) ? ((-4 >> unsigned_short_int_Array_0[0])) : (unsigned_short_int_Array_0[0])))) ? (((unsigned_char_Array_0[1] - 64) < (unsigned_short_int_Array_0[0] / -8)) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[0] - unsigned_char_Array_0[1])))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR ((BOOL_unsigned_char_Array_0[1] ? (((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) 5)) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((25) < (last_1_unsigned_char_Array_0_0_)) ? (25) : (last_1_unsigned_char_Array_0_0_)))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_0_))) && (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[3] == ((double) (((double_Array_0[1] + double_Array_0[0]) + double_Array_0[2]) - double_Array_0[4]))) : 1)) && (((~ unsigned_char_Array_0[0]) <= (((((-4 >> unsigned_short_int_Array_0[0])) < (unsigned_short_int_Array_0[0])) ? ((-4 >> unsigned_short_int_Array_0[0])) : (unsigned_short_int_Array_0[0])))) ? (((unsigned_char_Array_0[1] - 64) < (unsigned_short_int_Array_0[0] / -8)) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[0] - unsigned_char_Array_0[1])))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR (((BOOL_unsigned_char_Array_0[1] ? (((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) 5)) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((25) < (last_1_unsigned_char_Array_0_0_)) ? (25) : (last_1_unsigned_char_Array_0_0_)))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_0_))) && (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[3] == ((double) (((double_Array_0[1] + double_Array_0[0]) + double_Array_0[2]) - double_Array_0[4]))) : 1)) && (((~ unsigned_char_Array_0[0]) <= (((((-4 >> unsigned_short_int_Array_0[0])) < (unsigned_short_int_Array_0[0])) ? ((-4 >> unsigned_short_int_Array_0[0])) : (unsigned_short_int_Array_0[0])))) ? (((unsigned_char_Array_0[1] - 64) < (unsigned_short_int_Array_0[0] / -8)) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[0] - unsigned_char_Array_0[1]))))) && (float_Array_0[0] == ((float) double_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR (((BOOL_unsigned_char_Array_0[1] ? (((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) 5)) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((25) < (last_1_unsigned_char_Array_0_0_)) ? (25) : (last_1_unsigned_char_Array_0_0_)))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_0_))) && (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[3] == ((double) (((double_Array_0[1] + double_Array_0[0]) + double_Array_0[2]) - double_Array_0[4]))) : 1)) && (((~ unsigned_char_Array_0[0]) <= (((((-4 >> unsigned_short_int_Array_0[0])) < (unsigned_short_int_Array_0[0])) ? ((-4 >> unsigned_short_int_Array_0[0])) : (unsigned_short_int_Array_0[0])))) ? (((unsigned_char_Array_0[1] - 64) < (unsigned_short_int_Array_0[0] / -8)) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[0] - unsigned_char_Array_0[1]))))) && (float_Array_0[0] == ((float) double_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR ((((BOOL_unsigned_char_Array_0[1] ? (((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) 5)) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((25) < (last_1_unsigned_char_Array_0_0_)) ? (25) : (last_1_unsigned_char_Array_0_0_)))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_0_))) && (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[3] == ((double) (((double_Array_0[1] + double_Array_0[0]) + double_Array_0[2]) - double_Array_0[4]))) : 1)) && (((~ unsigned_char_Array_0[0]) <= (((((-4 >> unsigned_short_int_Array_0[0])) < (unsigned_short_int_Array_0[0])) ? ((-4 >> unsigned_short_int_Array_0[0])) : (unsigned_short_int_Array_0[0])))) ? (((unsigned_char_Array_0[1] - 64) < (unsigned_short_int_Array_0[0] / -8)) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[0] - unsigned_char_Array_0[1]))))) && (float_Array_0[0] == ((float) double_Array_0[1]))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR ((((BOOL_unsigned_char_Array_0[1] ? (((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) 5)) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((25) < (last_1_unsigned_char_Array_0_0_)) ? (25) : (last_1_unsigned_char_Array_0_0_)))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_0_))) && (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[3] == ((double) (((double_Array_0[1] + double_Array_0[0]) + double_Array_0[2]) - double_Array_0[4]))) : 1)) && (((~ unsigned_char_Array_0[0]) <= (((((-4 >> unsigned_short_int_Array_0[0])) < (unsigned_short_int_Array_0[0])) ? ((-4 >> unsigned_short_int_Array_0[0])) : (unsigned_short_int_Array_0[0])))) ? (((unsigned_char_Array_0[1] - 64) < (unsigned_short_int_Array_0[0] / -8)) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[0] - unsigned_char_Array_0[1]))))) && (float_Array_0[0] == ((float) double_Array_0[1]))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR (((((BOOL_unsigned_char_Array_0[1] ? (((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) 5)) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((25) < (last_1_unsigned_char_Array_0_0_)) ? (25) : (last_1_unsigned_char_Array_0_0_)))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_0_))) && (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[3] == ((double) (((double_Array_0[1] + double_Array_0[0]) + double_Array_0[2]) - double_Array_0[4]))) : 1)) && (((~ unsigned_char_Array_0[0]) <= (((((-4 >> unsigned_short_int_Array_0[0])) < (unsigned_short_int_Array_0[0])) ? ((-4 >> unsigned_short_int_Array_0[0])) : (unsigned_short_int_Array_0[0])))) ? (((unsigned_char_Array_0[1] - 64) < (unsigned_short_int_Array_0[0] / -8)) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[0] - unsigned_char_Array_0[1]))))) && (float_Array_0[0] == ((float) double_Array_0[1]))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[2])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104] EXPR (((((BOOL_unsigned_char_Array_0[1] ? (((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) 5)) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((25) < (last_1_unsigned_char_Array_0_0_)) ? (25) : (last_1_unsigned_char_Array_0_0_)))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_0_))) && (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[3] == ((double) (((double_Array_0[1] + double_Array_0[0]) + double_Array_0[2]) - double_Array_0[4]))) : 1)) && (((~ unsigned_char_Array_0[0]) <= (((((-4 >> unsigned_short_int_Array_0[0])) < (unsigned_short_int_Array_0[0])) ? ((-4 >> unsigned_short_int_Array_0[0])) : (unsigned_short_int_Array_0[0])))) ? (((unsigned_char_Array_0[1] - 64) < (unsigned_short_int_Array_0[0] / -8)) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[0] - unsigned_char_Array_0[1]))))) && (float_Array_0[0] == ((float) double_Array_0[1]))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[2])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L104-L105] return (((((BOOL_unsigned_char_Array_0[1] ? (((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) && BOOL_unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_0_ >= last_1_unsigned_char_Array_0_0_) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) 5)) : (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((25) < (last_1_unsigned_char_Array_0_0_)) ? (25) : (last_1_unsigned_char_Array_0_0_)))))) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_unsigned_char_Array_0_0_))) && (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[3] == ((double) (((double_Array_0[1] + double_Array_0[0]) + double_Array_0[2]) - double_Array_0[4]))) : 1)) && (((~ unsigned_char_Array_0[0]) <= (((((-4 >> unsigned_short_int_Array_0[0])) < (unsigned_short_int_Array_0[0])) ? ((-4 >> unsigned_short_int_Array_0[0])) : (unsigned_short_int_Array_0[0])))) ? (((unsigned_char_Array_0[1] - 64) < (unsigned_short_int_Array_0[0] / -8)) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_short_int_Array_0[0])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) (unsigned_char_Array_0[0] - unsigned_char_Array_0[1]))))) && (float_Array_0[0] == ((float) double_Array_0[1]))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[2])) ; [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-5, last_1_unsigned_char_Array_0_0_=2, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 18, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1783 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1779 mSDsluCounter, 9410 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6697 mSDsCounter, 112 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 998 IncrementalHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 112 mSolverCounterUnsat, 2713 mSDtfsCounter, 998 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 533 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=10, InterpolantAutomatonStates: 94, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 17 MinimizatonAttempts, 1492 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 2041 NumberOfCodeBlocks, 2041 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1905 ConstructedInterpolants, 0 QuantifiedInterpolants, 5308 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 4488/4488 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 07:05:23,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/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_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/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_0eb50c58-677b-494a-981b-93e422f4f9a5/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 85aa73e9da404b3237f6b534f76a96725f8c968f66c8526708e2a81ace8745de --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 07:05:25,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 07:05:25,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 07:05:26,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 07:05:26,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 07:05:26,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 07:05:26,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 07:05:26,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 07:05:26,045 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 07:05:26,046 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 07:05:26,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 07:05:26,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 07:05:26,048 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 07:05:26,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 07:05:26,049 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 07:05:26,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 07:05:26,051 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 07:05:26,052 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 07:05:26,052 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 07:05:26,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 07:05:26,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 07:05:26,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 07:05:26,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 07:05:26,055 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 07:05:26,056 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 07:05:26,056 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 07:05:26,057 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 07:05:26,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 07:05:26,058 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 07:05:26,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 07:05:26,059 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 07:05:26,059 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 07:05:26,060 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 07:05:26,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:05:26,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 07:05:26,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 07:05:26,061 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 07:05:26,061 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 07:05:26,062 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 07:05:26,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 07:05:26,062 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 07:05:26,062 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 07:05:26,063 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 07:05:26,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 07:05:26,063 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 07:05:26,063 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_0eb50c58-677b-494a-981b-93e422f4f9a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85aa73e9da404b3237f6b534f76a96725f8c968f66c8526708e2a81ace8745de [2023-11-29 07:05:26,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 07:05:26,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 07:05:26,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 07:05:26,433 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 07:05:26,433 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 07:05:26,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-55.i [2023-11-29 07:05:29,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 07:05:29,594 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 07:05:29,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-55.i [2023-11-29 07:05:29,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/data/1588bfa90/e261cf90d819460babc8bf7a15cb54da/FLAGdf661204f [2023-11-29 07:05:29,624 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/data/1588bfa90/e261cf90d819460babc8bf7a15cb54da [2023-11-29 07:05:29,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 07:05:29,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 07:05:29,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 07:05:29,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 07:05:29,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 07:05:29,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:05:29" (1/1) ... [2023-11-29 07:05:29,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f8ad56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:29, skipping insertion in model container [2023-11-29 07:05:29,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:05:29" (1/1) ... [2023-11-29 07:05:29,675 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 07:05:29,845 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_0eb50c58-677b-494a-981b-93e422f4f9a5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-55.i[916,929] [2023-11-29 07:05:29,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:05:29,933 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 07:05:29,946 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_0eb50c58-677b-494a-981b-93e422f4f9a5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-55.i[916,929] [2023-11-29 07:05:29,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:05:30,029 INFO L206 MainTranslator]: Completed translation [2023-11-29 07:05:30,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:30 WrapperNode [2023-11-29 07:05:30,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 07:05:30,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 07:05:30,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 07:05:30,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 07:05:30,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:30" (1/1) ... [2023-11-29 07:05:30,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:30" (1/1) ... [2023-11-29 07:05:30,109 INFO L138 Inliner]: procedures = 39, calls = 138, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 385 [2023-11-29 07:05:30,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 07:05:30,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 07:05:30,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 07:05:30,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 07:05:30,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:30" (1/1) ... [2023-11-29 07:05:30,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:30" (1/1) ... [2023-11-29 07:05:30,136 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:30" (1/1) ... [2023-11-29 07:05:30,171 INFO L175 MemorySlicer]: Split 108 memory accesses to 8 slices as follows [2, 14, 37, 3, 6, 24, 3, 19]. 34 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 2, 5, 1, 1, 3, 1, 1]. The 17 writes are split as follows [0, 2, 5, 1, 2, 3, 1, 3]. [2023-11-29 07:05:30,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:30" (1/1) ... [2023-11-29 07:05:30,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:30" (1/1) ... [2023-11-29 07:05:30,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:30" (1/1) ... [2023-11-29 07:05:30,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:30" (1/1) ... [2023-11-29 07:05:30,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:30" (1/1) ... [2023-11-29 07:05:30,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:30" (1/1) ... [2023-11-29 07:05:30,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 07:05:30,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 07:05:30,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 07:05:30,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 07:05:30,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:30" (1/1) ... [2023-11-29 07:05:30,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:05:30,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:05:30,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 07:05:30,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 07:05:30,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 07:05:30,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-29 07:05:30,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-29 07:05:30,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-29 07:05:30,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-11-29 07:05:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2023-11-29 07:05:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2023-11-29 07:05:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2023-11-29 07:05:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2023-11-29 07:05:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-29 07:05:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-29 07:05:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-29 07:05:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-11-29 07:05:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2023-11-29 07:05:30,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2023-11-29 07:05:30,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2023-11-29 07:05:30,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2023-11-29 07:05:30,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 07:05:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 07:05:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-29 07:05:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-29 07:05:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-29 07:05:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-29 07:05:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-11-29 07:05:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-11-29 07:05:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-29 07:05:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-29 07:05:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-11-29 07:05:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-11-29 07:05:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-11-29 07:05:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2023-11-29 07:05:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2023-11-29 07:05:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2023-11-29 07:05:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 07:05:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 07:05:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 07:05:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 07:05:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-29 07:05:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-29 07:05:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-29 07:05:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-29 07:05:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-29 07:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-29 07:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-11-29 07:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-11-29 07:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-11-29 07:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-11-29 07:05:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-11-29 07:05:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2023-11-29 07:05:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-29 07:05:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-29 07:05:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-29 07:05:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-29 07:05:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-29 07:05:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-29 07:05:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-11-29 07:05:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2023-11-29 07:05:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-29 07:05:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-29 07:05:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2023-11-29 07:05:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2023-11-29 07:05:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2023-11-29 07:05:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2023-11-29 07:05:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2023-11-29 07:05:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2023-11-29 07:05:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 07:05:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 07:05:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-29 07:05:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-29 07:05:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-29 07:05:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-29 07:05:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-29 07:05:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-29 07:05:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-29 07:05:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-29 07:05:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-11-29 07:05:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-11-29 07:05:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-11-29 07:05:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2023-11-29 07:05:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2023-11-29 07:05:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2023-11-29 07:05:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-29 07:05:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-29 07:05:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-29 07:05:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-29 07:05:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-29 07:05:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-29 07:05:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-11-29 07:05:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2023-11-29 07:05:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-29 07:05:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-29 07:05:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-11-29 07:05:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-11-29 07:05:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-11-29 07:05:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-11-29 07:05:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2023-11-29 07:05:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2023-11-29 07:05:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 07:05:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 07:05:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 07:05:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 07:05:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 07:05:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 07:05:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-29 07:05:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-29 07:05:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-29 07:05:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-29 07:05:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-11-29 07:05:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-11-29 07:05:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-29 07:05:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-29 07:05:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-11-29 07:05:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-11-29 07:05:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-11-29 07:05:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2023-11-29 07:05:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2023-11-29 07:05:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2023-11-29 07:05:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 07:05:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 07:05:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-29 07:05:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-29 07:05:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-29 07:05:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-29 07:05:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-29 07:05:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-29 07:05:30,641 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 07:05:30,643 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 07:05:36,039 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 07:05:36,096 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 07:05:36,096 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 07:05:36,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:05:36 BoogieIcfgContainer [2023-11-29 07:05:36,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 07:05:36,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 07:05:36,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 07:05:36,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 07:05:36,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:05:29" (1/3) ... [2023-11-29 07:05:36,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@314337fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:05:36, skipping insertion in model container [2023-11-29 07:05:36,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:05:30" (2/3) ... [2023-11-29 07:05:36,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@314337fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:05:36, skipping insertion in model container [2023-11-29 07:05:36,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:05:36" (3/3) ... [2023-11-29 07:05:36,105 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-55.i [2023-11-29 07:05:36,122 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 07:05:36,122 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 07:05:36,171 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 07:05:36,177 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;@5df957af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 07:05:36,177 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 07:05:36,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 77 states have (on average 1.4935064935064934) internal successors, (115), 78 states have internal predecessors, (115), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 07:05:36,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 07:05:36,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:36,196 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:36,197 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:36,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:36,202 INFO L85 PathProgramCache]: Analyzing trace with hash -996764846, now seen corresponding path program 1 times [2023-11-29 07:05:36,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:05:36,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978280213] [2023-11-29 07:05:36,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:36,218 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 07:05:36,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:05:36,219 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:36,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:36,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 07:05:36,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:05:37,018 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-29 07:05:37,019 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:05:37,019 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:05:37,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978280213] [2023-11-29 07:05:37,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1978280213] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:37,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:37,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:05:37,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782870421] [2023-11-29 07:05:37,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:37,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 07:05:37,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:05:37,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 07:05:37,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 07:05:37,056 INFO L87 Difference]: Start difference. First operand has 92 states, 77 states have (on average 1.4935064935064934) internal successors, (115), 78 states have internal predecessors, (115), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:05:37,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:37,117 INFO L93 Difference]: Finished difference Result 181 states and 288 transitions. [2023-11-29 07:05:37,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 07:05:37,120 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, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 108 [2023-11-29 07:05:37,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:37,131 INFO L225 Difference]: With dead ends: 181 [2023-11-29 07:05:37,131 INFO L226 Difference]: Without dead ends: 90 [2023-11-29 07:05:37,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 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 07:05:37,140 INFO L413 NwaCegarLoop]: 128 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, 128 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 07:05:37,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:05:37,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-29 07:05:37,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-11-29 07:05:37,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 76 states have internal predecessors, (108), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 07:05:37,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 132 transitions. [2023-11-29 07:05:37,192 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 132 transitions. Word has length 108 [2023-11-29 07:05:37,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:37,193 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 132 transitions. [2023-11-29 07:05:37,193 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, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:05:37,193 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2023-11-29 07:05:37,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 07:05:37,197 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:37,197 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:37,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:37,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:05:37,398 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:37,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:37,399 INFO L85 PathProgramCache]: Analyzing trace with hash -887304510, now seen corresponding path program 1 times [2023-11-29 07:05:37,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:05:37,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179393128] [2023-11-29 07:05:37,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:37,401 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 07:05:37,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:05:37,403 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:37,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:38,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 07:05:38,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:05:38,208 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-29 07:05:38,208 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:05:38,208 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:05:38,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179393128] [2023-11-29 07:05:38,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179393128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:38,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:38,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 07:05:38,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952319021] [2023-11-29 07:05:38,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:38,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:05:38,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:05:38,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:05:38,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:05:38,214 INFO L87 Difference]: Start difference. First operand 90 states and 132 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:05:38,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:38,406 INFO L93 Difference]: Finished difference Result 185 states and 272 transitions. [2023-11-29 07:05:38,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:05:38,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 108 [2023-11-29 07:05:38,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:38,410 INFO L225 Difference]: With dead ends: 185 [2023-11-29 07:05:38,410 INFO L226 Difference]: Without dead ends: 96 [2023-11-29 07:05:38,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 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 07:05:38,413 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 10 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:38,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 373 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 07:05:38,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-29 07:05:38,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2023-11-29 07:05:38,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 78 states have (on average 1.4102564102564104) internal successors, (110), 78 states have internal predecessors, (110), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 07:05:38,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 134 transitions. [2023-11-29 07:05:38,432 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 134 transitions. Word has length 108 [2023-11-29 07:05:38,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:38,433 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 134 transitions. [2023-11-29 07:05:38,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:05:38,434 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2023-11-29 07:05:38,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 07:05:38,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:38,437 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:38,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:38,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:05:38,648 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:38,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:38,649 INFO L85 PathProgramCache]: Analyzing trace with hash -832911612, now seen corresponding path program 1 times [2023-11-29 07:05:38,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:05:38,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315840813] [2023-11-29 07:05:38,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:38,650 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 07:05:38,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:05:38,651 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:38,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:39,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 07:05:39,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:05:40,189 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 24 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-11-29 07:05:40,189 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:05:40,410 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:40,411 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:05:40,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315840813] [2023-11-29 07:05:40,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315840813] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 07:05:40,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:05:40,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2023-11-29 07:05:40,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119725891] [2023-11-29 07:05:40,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:40,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:05:40,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:05:40,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:05:40,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:05:40,414 INFO L87 Difference]: Start difference. First operand 92 states and 134 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:44,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:05:44,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:44,761 INFO L93 Difference]: Finished difference Result 228 states and 328 transitions. [2023-11-29 07:05:44,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:05:44,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2023-11-29 07:05:44,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:44,764 INFO L225 Difference]: With dead ends: 228 [2023-11-29 07:05:44,764 INFO L226 Difference]: Without dead ends: 137 [2023-11-29 07:05:44,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-29 07:05:44,766 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 58 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:44,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 473 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 07:05:44,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-29 07:05:44,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 134. [2023-11-29 07:05:44,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 117 states have (on average 1.4017094017094016) internal successors, (164), 118 states have internal predecessors, (164), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 07:05:44,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 192 transitions. [2023-11-29 07:05:44,782 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 192 transitions. Word has length 108 [2023-11-29 07:05:44,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:44,783 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 192 transitions. [2023-11-29 07:05:44,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:44,784 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 192 transitions. [2023-11-29 07:05:44,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 07:05:44,786 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:44,787 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:44,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:44,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:05:44,988 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:44,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:44,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1650560062, now seen corresponding path program 1 times [2023-11-29 07:05:44,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:05:44,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1275936562] [2023-11-29 07:05:44,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:44,990 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 07:05:44,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:05:44,992 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:44,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 07:05:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:45,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 07:05:45,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:05:45,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-29 07:05:46,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-29 07:05:46,378 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 36 [2023-11-29 07:05:46,466 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:46,466 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:05:46,466 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:05:46,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1275936562] [2023-11-29 07:05:46,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1275936562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:46,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:46,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 07:05:46,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539958847] [2023-11-29 07:05:46,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:46,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 07:05:46,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:05:46,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 07:05:46,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:05:46,470 INFO L87 Difference]: Start difference. First operand 134 states and 192 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:47,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:47,795 INFO L93 Difference]: Finished difference Result 471 states and 674 transitions. [2023-11-29 07:05:47,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 07:05:47,796 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2023-11-29 07:05:47,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:47,801 INFO L225 Difference]: With dead ends: 471 [2023-11-29 07:05:47,801 INFO L226 Difference]: Without dead ends: 338 [2023-11-29 07:05:47,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-29 07:05:47,804 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 236 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:47,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 725 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 07:05:47,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2023-11-29 07:05:47,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 215. [2023-11-29 07:05:47,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 184 states have (on average 1.3804347826086956) internal successors, (254), 185 states have internal predecessors, (254), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 07:05:47,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 306 transitions. [2023-11-29 07:05:47,836 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 306 transitions. Word has length 108 [2023-11-29 07:05:47,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:47,837 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 306 transitions. [2023-11-29 07:05:47,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:47,838 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 306 transitions. [2023-11-29 07:05:47,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 07:05:47,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:47,841 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:47,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-29 07:05:48,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:05:48,048 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:48,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:48,049 INFO L85 PathProgramCache]: Analyzing trace with hash -115902038, now seen corresponding path program 1 times [2023-11-29 07:05:48,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:05:48,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [258820757] [2023-11-29 07:05:48,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:48,050 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 07:05:48,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:05:48,051 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:48,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:48,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 07:05:48,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:05:49,355 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:49,356 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:05:49,356 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:05:49,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [258820757] [2023-11-29 07:05:49,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [258820757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:49,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:49,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:05:49,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120988616] [2023-11-29 07:05:49,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:49,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:05:49,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:05:49,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:05:49,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:05:49,359 INFO L87 Difference]: Start difference. First operand 215 states and 306 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:49,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:49,819 INFO L93 Difference]: Finished difference Result 544 states and 778 transitions. [2023-11-29 07:05:49,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 07:05:49,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2023-11-29 07:05:49,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:49,823 INFO L225 Difference]: With dead ends: 544 [2023-11-29 07:05:49,824 INFO L226 Difference]: Without dead ends: 398 [2023-11-29 07:05:49,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:05:49,826 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 190 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:49,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 711 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 07:05:49,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-11-29 07:05:49,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 346. [2023-11-29 07:05:49,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 299 states have (on average 1.374581939799331) internal successors, (411), 301 states have internal predecessors, (411), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 07:05:49,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 491 transitions. [2023-11-29 07:05:49,862 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 491 transitions. Word has length 110 [2023-11-29 07:05:49,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:49,864 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 491 transitions. [2023-11-29 07:05:49,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:49,864 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 491 transitions. [2023-11-29 07:05:49,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 07:05:49,867 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:49,867 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:49,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:50,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:05:50,072 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:50,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:50,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1921340372, now seen corresponding path program 1 times [2023-11-29 07:05:50,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:05:50,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1220345766] [2023-11-29 07:05:50,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:50,074 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 07:05:50,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:05:50,075 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:50,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-29 07:05:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:50,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 07:05:50,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:05:51,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2023-11-29 07:05:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 24 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-11-29 07:05:51,683 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:05:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:52,023 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:05:52,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1220345766] [2023-11-29 07:05:52,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1220345766] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 07:05:52,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:05:52,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-29 07:05:52,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979880616] [2023-11-29 07:05:52,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:52,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:05:52,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:05:52,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:05:52,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-11-29 07:05:52,026 INFO L87 Difference]: Start difference. First operand 346 states and 491 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:52,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:52,288 INFO L93 Difference]: Finished difference Result 668 states and 944 transitions. [2023-11-29 07:05:52,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 07:05:52,288 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2023-11-29 07:05:52,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:52,292 INFO L225 Difference]: With dead ends: 668 [2023-11-29 07:05:52,292 INFO L226 Difference]: Without dead ends: 394 [2023-11-29 07:05:52,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-29 07:05:52,293 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 141 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:52,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 467 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 07:05:52,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2023-11-29 07:05:52,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 285. [2023-11-29 07:05:52,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 242 states have (on average 1.3471074380165289) internal successors, (326), 242 states have internal predecessors, (326), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 07:05:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 398 transitions. [2023-11-29 07:05:52,325 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 398 transitions. Word has length 110 [2023-11-29 07:05:52,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:52,326 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 398 transitions. [2023-11-29 07:05:52,326 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:52,326 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 398 transitions. [2023-11-29 07:05:52,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 07:05:52,328 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:52,328 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:52,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-29 07:05:52,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:05:52,529 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:52,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:52,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1944487385, now seen corresponding path program 1 times [2023-11-29 07:05:52,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:05:52,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789673692] [2023-11-29 07:05:52,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:52,530 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 07:05:52,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:05:52,531 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:52,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:53,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 07:05:53,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:05:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 24 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-11-29 07:05:53,906 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:05:54,145 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:54,145 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:05:54,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789673692] [2023-11-29 07:05:54,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789673692] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 07:05:54,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:05:54,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2023-11-29 07:05:54,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603824154] [2023-11-29 07:05:54,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:54,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:05:54,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:05:54,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:05:54,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:05:54,148 INFO L87 Difference]: Start difference. First operand 285 states and 398 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:56,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:05:56,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:05:56,974 INFO L93 Difference]: Finished difference Result 629 states and 878 transitions. [2023-11-29 07:05:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 07:05:56,975 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2023-11-29 07:05:56,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:05:56,978 INFO L225 Difference]: With dead ends: 629 [2023-11-29 07:05:56,978 INFO L226 Difference]: Without dead ends: 416 [2023-11-29 07:05:56,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-29 07:05:56,979 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 173 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 07:05:56,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 374 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 07:05:56,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2023-11-29 07:05:57,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 304. [2023-11-29 07:05:57,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 261 states have (on average 1.3563218390804597) internal successors, (354), 261 states have internal predecessors, (354), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 07:05:57,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 426 transitions. [2023-11-29 07:05:57,011 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 426 transitions. Word has length 110 [2023-11-29 07:05:57,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:05:57,012 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 426 transitions. [2023-11-29 07:05:57,012 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:05:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 426 transitions. [2023-11-29 07:05:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 07:05:57,014 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:05:57,014 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:05:57,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:57,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:05:57,215 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:05:57,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:05:57,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1763673897, now seen corresponding path program 1 times [2023-11-29 07:05:57,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:05:57,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1476308279] [2023-11-29 07:05:57,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:05:57,216 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 07:05:57,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:05:57,217 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:57,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:05:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:05:57,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 07:05:57,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:05:57,645 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:05:57,645 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:05:57,646 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:05:57,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1476308279] [2023-11-29 07:05:57,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1476308279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:05:57,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:05:57,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:05:57,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690042172] [2023-11-29 07:05:57,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:05:57,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:05:57,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:05:57,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:05:57,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:05:57,654 INFO L87 Difference]: Start difference. First operand 304 states and 426 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:06:01,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:01,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:06:01,097 INFO L93 Difference]: Finished difference Result 566 states and 795 transitions. [2023-11-29 07:06:01,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 07:06:01,097 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2023-11-29 07:06:01,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:06:01,100 INFO L225 Difference]: With dead ends: 566 [2023-11-29 07:06:01,100 INFO L226 Difference]: Without dead ends: 334 [2023-11-29 07:06:01,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 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 07:06:01,101 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 52 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-29 07:06:01,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 501 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-29 07:06:01,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2023-11-29 07:06:01,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 310. [2023-11-29 07:06:01,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 267 states have (on average 1.348314606741573) internal successors, (360), 267 states have internal predecessors, (360), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 07:06:01,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 432 transitions. [2023-11-29 07:06:01,122 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 432 transitions. Word has length 110 [2023-11-29 07:06:01,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:06:01,122 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 432 transitions. [2023-11-29 07:06:01,123 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:06:01,123 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 432 transitions. [2023-11-29 07:06:01,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-29 07:06:01,124 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:06:01,124 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:06:01,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:01,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:06:01,325 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:06:01,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:06:01,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1230833271, now seen corresponding path program 1 times [2023-11-29 07:06:01,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:06:01,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1790841384] [2023-11-29 07:06:01,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:06:01,326 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 07:06:01,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:06:01,327 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:01,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:01,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 07:06:01,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:06:02,447 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 24 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-11-29 07:06:02,447 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:06:02,663 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:06:02,663 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:06:02,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1790841384] [2023-11-29 07:06:02,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1790841384] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 07:06:02,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:06:02,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2023-11-29 07:06:02,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673479651] [2023-11-29 07:06:02,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:06:02,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:06:02,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:06:02,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:06:02,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:06:02,665 INFO L87 Difference]: Start difference. First operand 310 states and 432 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:06:02,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:06:02,901 INFO L93 Difference]: Finished difference Result 593 states and 818 transitions. [2023-11-29 07:06:02,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:06:02,902 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2023-11-29 07:06:02,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:06:02,904 INFO L225 Difference]: With dead ends: 593 [2023-11-29 07:06:02,904 INFO L226 Difference]: Without dead ends: 355 [2023-11-29 07:06:02,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-29 07:06:02,906 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 67 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:06:02,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 493 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 07:06:02,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2023-11-29 07:06:02,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 295. [2023-11-29 07:06:02,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 252 states have (on average 1.3214285714285714) internal successors, (333), 252 states have internal predecessors, (333), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 07:06:02,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 405 transitions. [2023-11-29 07:06:02,934 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 405 transitions. Word has length 111 [2023-11-29 07:06:02,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:06:02,934 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 405 transitions. [2023-11-29 07:06:02,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:06:02,935 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 405 transitions. [2023-11-29 07:06:02,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-29 07:06:02,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:06:02,936 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:06:02,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-11-29 07:06:03,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:06:03,138 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:06:03,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:06:03,138 INFO L85 PathProgramCache]: Analyzing trace with hash -2098466593, now seen corresponding path program 1 times [2023-11-29 07:06:03,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:06:03,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048008957] [2023-11-29 07:06:03,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:06:03,139 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 07:06:03,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:06:03,140 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:03,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-29 07:06:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:03,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 07:06:03,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:06:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:06:04,306 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:06:04,306 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:06:04,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048008957] [2023-11-29 07:06:04,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1048008957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:06:04,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:06:04,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 07:06:04,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026590903] [2023-11-29 07:06:04,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:06:04,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:06:04,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:06:04,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:06:04,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:06:04,309 INFO L87 Difference]: Start difference. First operand 295 states and 405 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:06:04,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:06:04,690 INFO L93 Difference]: Finished difference Result 606 states and 830 transitions. [2023-11-29 07:06:04,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 07:06:04,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 113 [2023-11-29 07:06:04,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:06:04,693 INFO L225 Difference]: With dead ends: 606 [2023-11-29 07:06:04,693 INFO L226 Difference]: Without dead ends: 383 [2023-11-29 07:06:04,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 07:06:04,694 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 234 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 07:06:04,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 605 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 07:06:04,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2023-11-29 07:06:04,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 292. [2023-11-29 07:06:04,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 249 states have (on average 1.3092369477911647) internal successors, (326), 249 states have internal predecessors, (326), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 07:06:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 398 transitions. [2023-11-29 07:06:04,722 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 398 transitions. Word has length 113 [2023-11-29 07:06:04,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:06:04,722 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 398 transitions. [2023-11-29 07:06:04,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:06:04,723 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 398 transitions. [2023-11-29 07:06:04,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-29 07:06:04,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:06:04,725 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:06:04,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-11-29 07:06:04,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:06:04,926 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:06:04,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:06:04,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1175432349, now seen corresponding path program 1 times [2023-11-29 07:06:04,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:06:04,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [599471709] [2023-11-29 07:06:04,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:06:04,927 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 07:06:04,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:06:04,928 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:04,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:05,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 07:06:05,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:06:05,559 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:06:05,559 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:06:05,559 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:06:05,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [599471709] [2023-11-29 07:06:05,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [599471709] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:06:05,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:06:05,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:06:05,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237477239] [2023-11-29 07:06:05,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:06:05,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:06:05,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:06:05,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:06:05,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:06:05,562 INFO L87 Difference]: Start difference. First operand 292 states and 398 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:06:05,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:06:05,752 INFO L93 Difference]: Finished difference Result 551 states and 752 transitions. [2023-11-29 07:06:05,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 07:06:05,752 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 113 [2023-11-29 07:06:05,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:06:05,755 INFO L225 Difference]: With dead ends: 551 [2023-11-29 07:06:05,756 INFO L226 Difference]: Without dead ends: 331 [2023-11-29 07:06:05,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 109 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 07:06:05,757 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 52 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:06:05,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 531 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 07:06:05,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2023-11-29 07:06:05,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 295. [2023-11-29 07:06:05,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 252 states have (on average 1.3015873015873016) internal successors, (328), 252 states have internal predecessors, (328), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 07:06:05,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 400 transitions. [2023-11-29 07:06:05,783 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 400 transitions. Word has length 113 [2023-11-29 07:06:05,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:06:05,783 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 400 transitions. [2023-11-29 07:06:05,784 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:06:05,784 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 400 transitions. [2023-11-29 07:06:05,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-29 07:06:05,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:06:05,785 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:06:05,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:05,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:06:05,986 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:06:05,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:06:05,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1118165245, now seen corresponding path program 1 times [2023-11-29 07:06:05,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:06:05,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132000241] [2023-11-29 07:06:05,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:06:05,988 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 07:06:05,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:06:05,989 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:05,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:06,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 07:06:06,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:06:06,768 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 07:06:06,768 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 155 treesize of output 65 [2023-11-29 07:06:06,858 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-29 07:06:06,858 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:06:06,858 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:06:06,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132000241] [2023-11-29 07:06:06,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132000241] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:06:06,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:06:06,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:06:06,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213622940] [2023-11-29 07:06:06,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:06:06,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:06:06,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:06:06,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:06:06,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:06:06,861 INFO L87 Difference]: Start difference. First operand 295 states and 400 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:06:12,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:15,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:16,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:06:16,234 INFO L93 Difference]: Finished difference Result 589 states and 802 transitions. [2023-11-29 07:06:16,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 07:06:16,236 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2023-11-29 07:06:16,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:06:16,238 INFO L225 Difference]: With dead ends: 589 [2023-11-29 07:06:16,239 INFO L226 Difference]: Without dead ends: 313 [2023-11-29 07:06:16,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:06:16,241 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 126 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:06:16,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 394 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 131 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2023-11-29 07:06:16,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-11-29 07:06:16,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 295. [2023-11-29 07:06:16,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 252 states have (on average 1.2896825396825398) internal successors, (325), 252 states have internal predecessors, (325), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 07:06:16,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 397 transitions. [2023-11-29 07:06:16,266 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 397 transitions. Word has length 113 [2023-11-29 07:06:16,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:06:16,266 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 397 transitions. [2023-11-29 07:06:16,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:06:16,267 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 397 transitions. [2023-11-29 07:06:16,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-29 07:06:16,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:06:16,268 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:06:16,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:16,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:06:16,468 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:06:16,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:06:16,469 INFO L85 PathProgramCache]: Analyzing trace with hash 527261383, now seen corresponding path program 1 times [2023-11-29 07:06:16,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:06:16,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [404292105] [2023-11-29 07:06:16,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:06:16,469 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 07:06:16,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:06:16,470 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:16,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-29 07:06:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:16,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 07:06:16,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:06:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 07:06:16,929 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:06:16,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:06:16,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [404292105] [2023-11-29 07:06:16,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [404292105] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:06:16,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:06:16,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 07:06:16,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738073574] [2023-11-29 07:06:16,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:06:16,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:06:16,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:06:16,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:06:16,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:06:16,932 INFO L87 Difference]: Start difference. First operand 295 states and 397 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-29 07:06:17,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:06:17,390 INFO L93 Difference]: Finished difference Result 588 states and 789 transitions. [2023-11-29 07:06:17,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 07:06:17,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 115 [2023-11-29 07:06:17,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:06:17,392 INFO L225 Difference]: With dead ends: 588 [2023-11-29 07:06:17,393 INFO L226 Difference]: Without dead ends: 307 [2023-11-29 07:06:17,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 07:06:17,394 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 7 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 07:06:17,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 525 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 07:06:17,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2023-11-29 07:06:17,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 295. [2023-11-29 07:06:17,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 252 states have (on average 1.2777777777777777) internal successors, (322), 252 states have internal predecessors, (322), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 07:06:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 394 transitions. [2023-11-29 07:06:17,424 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 394 transitions. Word has length 115 [2023-11-29 07:06:17,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:06:17,425 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 394 transitions. [2023-11-29 07:06:17,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-29 07:06:17,425 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 394 transitions. [2023-11-29 07:06:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-29 07:06:17,426 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:06:17,427 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:06:17,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-11-29 07:06:17,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:06:17,627 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:06:17,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:06:17,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1809131127, now seen corresponding path program 1 times [2023-11-29 07:06:17,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:06:17,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [233381734] [2023-11-29 07:06:17,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:06:17,629 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 07:06:17,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:06:17,630 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:17,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:18,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 07:06:18,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:06:18,435 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 07:06:18,435 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 173 treesize of output 65 [2023-11-29 07:06:18,508 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-29 07:06:18,508 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:06:18,508 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:06:18,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [233381734] [2023-11-29 07:06:18,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [233381734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:06:18,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:06:18,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:06:18,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606932630] [2023-11-29 07:06:18,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:06:18,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:06:18,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:06:18,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:06:18,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:06:18,510 INFO L87 Difference]: Start difference. First operand 295 states and 394 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:06:23,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:25,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:26,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:27,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:06:27,140 INFO L93 Difference]: Finished difference Result 582 states and 781 transitions. [2023-11-29 07:06:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 07:06:27,141 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2023-11-29 07:06:27,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:06:27,143 INFO L225 Difference]: With dead ends: 582 [2023-11-29 07:06:27,143 INFO L226 Difference]: Without dead ends: 313 [2023-11-29 07:06:27,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:06:27,145 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 117 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-11-29 07:06:27,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 386 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 125 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2023-11-29 07:06:27,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-11-29 07:06:27,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 295. [2023-11-29 07:06:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 252 states have (on average 1.2658730158730158) internal successors, (319), 252 states have internal predecessors, (319), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 07:06:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 391 transitions. [2023-11-29 07:06:27,163 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 391 transitions. Word has length 115 [2023-11-29 07:06:27,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:06:27,164 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 391 transitions. [2023-11-29 07:06:27,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:06:27,164 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 391 transitions. [2023-11-29 07:06:27,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 07:06:27,165 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:06:27,165 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:06:27,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2023-11-29 07:06:27,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:06:27,366 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:06:27,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:06:27,366 INFO L85 PathProgramCache]: Analyzing trace with hash -360110269, now seen corresponding path program 1 times [2023-11-29 07:06:27,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:06:27,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795967023] [2023-11-29 07:06:27,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:06:27,367 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 07:06:27,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:06:27,368 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:27,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:27,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 07:06:27,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:06:28,157 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 07:06:28,157 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 173 treesize of output 65 [2023-11-29 07:06:28,229 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-29 07:06:28,230 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:06:28,230 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:06:28,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1795967023] [2023-11-29 07:06:28,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1795967023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:06:28,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:06:28,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:06:28,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095344293] [2023-11-29 07:06:28,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:06:28,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:06:28,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:06:28,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:06:28,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:06:28,232 INFO L87 Difference]: Start difference. First operand 295 states and 391 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:06:33,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:35,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:37,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:39,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:40,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:06:40,161 INFO L93 Difference]: Finished difference Result 567 states and 754 transitions. [2023-11-29 07:06:40,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 07:06:40,162 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 117 [2023-11-29 07:06:40,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:06:40,164 INFO L225 Difference]: With dead ends: 567 [2023-11-29 07:06:40,164 INFO L226 Difference]: Without dead ends: 307 [2023-11-29 07:06:40,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:06:40,165 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 116 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-11-29 07:06:40,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 377 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2023-11-29 07:06:40,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2023-11-29 07:06:40,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 289. [2023-11-29 07:06:40,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 246 states have (on average 1.2601626016260163) internal successors, (310), 246 states have internal predecessors, (310), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 07:06:40,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 382 transitions. [2023-11-29 07:06:40,184 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 382 transitions. Word has length 117 [2023-11-29 07:06:40,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:06:40,185 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 382 transitions. [2023-11-29 07:06:40,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:06:40,185 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 382 transitions. [2023-11-29 07:06:40,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-29 07:06:40,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:06:40,186 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:06:40,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:40,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:06:40,387 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:06:40,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:06:40,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1034523211, now seen corresponding path program 1 times [2023-11-29 07:06:40,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:06:40,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630636702] [2023-11-29 07:06:40,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:06:40,388 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 07:06:40,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:06:40,389 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:40,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:40,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 07:06:40,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:06:41,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 07:06:41,319 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 172 treesize of output 64 [2023-11-29 07:06:41,497 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 140 proven. 24 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-29 07:06:41,498 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:06:41,975 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 07:06:41,976 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 110 treesize of output 1 [2023-11-29 07:06:41,988 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-29 07:06:41,988 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:06:41,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630636702] [2023-11-29 07:06:41,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [630636702] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:06:41,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 07:06:41,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2023-11-29 07:06:41,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605363185] [2023-11-29 07:06:41,989 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 07:06:41,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 07:06:41,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:06:41,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 07:06:41,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-29 07:06:41,991 INFO L87 Difference]: Start difference. First operand 289 states and 382 transitions. Second operand has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 12 states have internal predecessors, (95), 4 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-11-29 07:06:47,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:50,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:06:51,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:06:51,304 INFO L93 Difference]: Finished difference Result 589 states and 770 transitions. [2023-11-29 07:06:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 07:06:51,305 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 12 states have internal predecessors, (95), 4 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 119 [2023-11-29 07:06:51,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:06:51,307 INFO L225 Difference]: With dead ends: 589 [2023-11-29 07:06:51,307 INFO L226 Difference]: Without dead ends: 301 [2023-11-29 07:06:51,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2023-11-29 07:06:51,308 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 111 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-29 07:06:51,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 568 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-11-29 07:06:51,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2023-11-29 07:06:51,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 289. [2023-11-29 07:06:51,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 246 states have (on average 1.2357723577235773) internal successors, (304), 246 states have internal predecessors, (304), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 07:06:51,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 376 transitions. [2023-11-29 07:06:51,325 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 376 transitions. Word has length 119 [2023-11-29 07:06:51,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:06:51,326 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 376 transitions. [2023-11-29 07:06:51,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 12 states have internal predecessors, (95), 4 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-11-29 07:06:51,326 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 376 transitions. [2023-11-29 07:06:51,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-29 07:06:51,327 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:06:51,327 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:06:51,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:51,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:06:51,527 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:06:51,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:06:51,528 INFO L85 PathProgramCache]: Analyzing trace with hash 2001873865, now seen corresponding path program 1 times [2023-11-29 07:06:51,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:06:51,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2056151387] [2023-11-29 07:06:51,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:06:51,528 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 07:06:51,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:06:51,529 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:51,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:06:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:06:51,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 07:06:51,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:06:52,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 07:06:52,473 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 173 treesize of output 65 [2023-11-29 07:06:52,547 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-29 07:06:52,547 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:06:52,547 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:06:52,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2056151387] [2023-11-29 07:06:52,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2056151387] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:06:52,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:06:52,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:06:52,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951247189] [2023-11-29 07:06:52,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:06:52,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:06:52,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:06:52,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:06:52,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:06:52,550 INFO L87 Difference]: Start difference. First operand 289 states and 376 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:06:57,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:07:00,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:07:03,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:07:04,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:07:04,228 INFO L93 Difference]: Finished difference Result 556 states and 727 transitions. [2023-11-29 07:07:04,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 07:07:04,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2023-11-29 07:07:04,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:07:04,230 INFO L225 Difference]: With dead ends: 556 [2023-11-29 07:07:04,230 INFO L226 Difference]: Without dead ends: 307 [2023-11-29 07:07:04,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 07:07:04,232 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 97 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2023-11-29 07:07:04,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 367 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 128 Invalid, 1 Unknown, 0 Unchecked, 11.5s Time] [2023-11-29 07:07:04,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2023-11-29 07:07:04,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 289. [2023-11-29 07:07:04,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 246 states have (on average 1.2235772357723578) internal successors, (301), 246 states have internal predecessors, (301), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 07:07:04,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 373 transitions. [2023-11-29 07:07:04,248 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 373 transitions. Word has length 119 [2023-11-29 07:07:04,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:07:04,248 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 373 transitions. [2023-11-29 07:07:04,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 07:07:04,248 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 373 transitions. [2023-11-29 07:07:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-29 07:07:04,249 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:07:04,249 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:07:04,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:04,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:07:04,450 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:07:04,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:07:04,450 INFO L85 PathProgramCache]: Analyzing trace with hash -234276989, now seen corresponding path program 1 times [2023-11-29 07:07:04,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:07:04,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92344485] [2023-11-29 07:07:04,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:04,451 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 07:07:04,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:07:04,453 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:04,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:05,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 07:07:05,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:07:05,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-29 07:07:05,607 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 11 [2023-11-29 07:07:05,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-11-29 07:07:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:07:05,751 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:07:05,752 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:07:05,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [92344485] [2023-11-29 07:07:05,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [92344485] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:07:05,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:07:05,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 07:07:05,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050298253] [2023-11-29 07:07:05,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:07:05,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 07:07:05,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:07:05,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 07:07:05,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:07:05,754 INFO L87 Difference]: Start difference. First operand 289 states and 373 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:07:07,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:07:07,348 INFO L93 Difference]: Finished difference Result 713 states and 922 transitions. [2023-11-29 07:07:07,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 07:07:07,349 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 121 [2023-11-29 07:07:07,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:07:07,353 INFO L225 Difference]: With dead ends: 713 [2023-11-29 07:07:07,353 INFO L226 Difference]: Without dead ends: 593 [2023-11-29 07:07:07,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2023-11-29 07:07:07,355 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 295 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 07:07:07,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 873 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 07:07:07,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2023-11-29 07:07:07,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 483. [2023-11-29 07:07:07,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 412 states have (on average 1.2233009708737863) internal successors, (504), 412 states have internal predecessors, (504), 60 states have call successors, (60), 10 states have call predecessors, (60), 10 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 07:07:07,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 624 transitions. [2023-11-29 07:07:07,384 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 624 transitions. Word has length 121 [2023-11-29 07:07:07,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:07:07,385 INFO L495 AbstractCegarLoop]: Abstraction has 483 states and 624 transitions. [2023-11-29 07:07:07,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:07:07,385 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 624 transitions. [2023-11-29 07:07:07,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 07:07:07,386 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:07:07,386 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:07:07,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:07,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:07:07,587 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:07:07,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:07:07,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1264210157, now seen corresponding path program 1 times [2023-11-29 07:07:07,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:07:07,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866231050] [2023-11-29 07:07:07,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:07,588 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 07:07:07,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:07:07,589 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:07,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:08,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 07:07:08,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:07:08,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-29 07:07:09,468 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 11 [2023-11-29 07:07:09,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-11-29 07:07:10,263 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 07:07:10,264 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 89 treesize of output 59 [2023-11-29 07:07:10,523 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:07:10,523 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:07:10,523 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:07:10,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866231050] [2023-11-29 07:07:10,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866231050] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:07:10,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:07:10,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 07:07:10,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328945924] [2023-11-29 07:07:10,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:07:10,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 07:07:10,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:07:10,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 07:07:10,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-29 07:07:10,525 INFO L87 Difference]: Start difference. First operand 483 states and 624 transitions. Second operand has 13 states, 13 states have (on average 5.0) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:07:17,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:07:17,560 INFO L93 Difference]: Finished difference Result 1045 states and 1355 transitions. [2023-11-29 07:07:17,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-29 07:07:17,561 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 122 [2023-11-29 07:07:17,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:07:17,564 INFO L225 Difference]: With dead ends: 1045 [2023-11-29 07:07:17,564 INFO L226 Difference]: Without dead ends: 634 [2023-11-29 07:07:17,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=312, Invalid=1494, Unknown=0, NotChecked=0, Total=1806 [2023-11-29 07:07:17,567 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 499 mSDsluCounter, 1505 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 1681 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-29 07:07:17,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 1681 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-29 07:07:17,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2023-11-29 07:07:17,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 500. [2023-11-29 07:07:17,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 427 states have (on average 1.215456674473068) internal successors, (519), 427 states have internal predecessors, (519), 60 states have call successors, (60), 12 states have call predecessors, (60), 12 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 07:07:17,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 639 transitions. [2023-11-29 07:07:17,597 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 639 transitions. Word has length 122 [2023-11-29 07:07:17,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:07:17,597 INFO L495 AbstractCegarLoop]: Abstraction has 500 states and 639 transitions. [2023-11-29 07:07:17,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:07:17,598 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 639 transitions. [2023-11-29 07:07:17,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 07:07:17,598 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:07:17,599 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:07:17,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Ended with exit code 0 [2023-11-29 07:07:17,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:07:17,799 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:07:17,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:07:17,800 INFO L85 PathProgramCache]: Analyzing trace with hash -2073556783, now seen corresponding path program 1 times [2023-11-29 07:07:17,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:07:17,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [481690137] [2023-11-29 07:07:17,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:17,800 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 07:07:17,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:07:17,801 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:17,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:18,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 07:07:18,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:07:18,215 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:07:18,215 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:07:18,215 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:07:18,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [481690137] [2023-11-29 07:07:18,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [481690137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:07:18,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:07:18,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 07:07:18,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257078497] [2023-11-29 07:07:18,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:07:18,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 07:07:18,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:07:18,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 07:07:18,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 07:07:18,217 INFO L87 Difference]: Start difference. First operand 500 states and 639 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:07:18,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:07:18,483 INFO L93 Difference]: Finished difference Result 956 states and 1230 transitions. [2023-11-29 07:07:18,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:07:18,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 122 [2023-11-29 07:07:18,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:07:18,487 INFO L225 Difference]: With dead ends: 956 [2023-11-29 07:07:18,488 INFO L226 Difference]: Without dead ends: 532 [2023-11-29 07:07:18,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 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 07:07:18,490 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 12 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:07:18,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 352 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 07:07:18,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2023-11-29 07:07:18,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 508. [2023-11-29 07:07:18,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 435 states have (on average 1.2114942528735633) internal successors, (527), 435 states have internal predecessors, (527), 60 states have call successors, (60), 12 states have call predecessors, (60), 12 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 07:07:18,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 647 transitions. [2023-11-29 07:07:18,537 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 647 transitions. Word has length 122 [2023-11-29 07:07:18,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:07:18,537 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 647 transitions. [2023-11-29 07:07:18,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:07:18,538 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 647 transitions. [2023-11-29 07:07:18,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 07:07:18,539 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:07:18,539 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:07:18,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:18,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:07:18,740 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:07:18,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:07:18,740 INFO L85 PathProgramCache]: Analyzing trace with hash -2016298481, now seen corresponding path program 1 times [2023-11-29 07:07:18,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:07:18,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040771288] [2023-11-29 07:07:18,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:18,741 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 07:07:18,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:07:18,742 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:18,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:19,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 07:07:19,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:07:19,353 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:07:19,353 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:07:19,353 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:07:19,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040771288] [2023-11-29 07:07:19,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040771288] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:07:19,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:07:19,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:07:19,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96718170] [2023-11-29 07:07:19,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:07:19,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:07:19,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:07:19,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:07:19,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:07:19,355 INFO L87 Difference]: Start difference. First operand 508 states and 647 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:07:19,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:07:19,906 INFO L93 Difference]: Finished difference Result 968 states and 1238 transitions. [2023-11-29 07:07:19,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 07:07:19,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 122 [2023-11-29 07:07:19,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:07:19,911 INFO L225 Difference]: With dead ends: 968 [2023-11-29 07:07:19,911 INFO L226 Difference]: Without dead ends: 536 [2023-11-29 07:07:19,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 118 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 07:07:19,913 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 9 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 07:07:19,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 464 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 07:07:19,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2023-11-29 07:07:19,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 516. [2023-11-29 07:07:19,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 443 states have (on average 1.2076749435665914) internal successors, (535), 443 states have internal predecessors, (535), 60 states have call successors, (60), 12 states have call predecessors, (60), 12 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 07:07:19,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 655 transitions. [2023-11-29 07:07:19,952 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 655 transitions. Word has length 122 [2023-11-29 07:07:19,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:07:19,952 INFO L495 AbstractCegarLoop]: Abstraction has 516 states and 655 transitions. [2023-11-29 07:07:19,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:07:19,952 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 655 transitions. [2023-11-29 07:07:19,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 07:07:19,953 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:07:19,953 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:07:19,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:20,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:07:20,154 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:07:20,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:07:20,154 INFO L85 PathProgramCache]: Analyzing trace with hash -2016238899, now seen corresponding path program 1 times [2023-11-29 07:07:20,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:07:20,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1106785365] [2023-11-29 07:07:20,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:20,155 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 07:07:20,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:07:20,156 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:20,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:20,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 07:07:20,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:07:20,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-29 07:07:21,186 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 11 [2023-11-29 07:07:21,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-11-29 07:07:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:07:21,370 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:07:21,371 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:07:21,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1106785365] [2023-11-29 07:07:21,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1106785365] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:07:21,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:07:21,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:07:21,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335647744] [2023-11-29 07:07:21,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:07:21,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:07:21,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:07:21,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:07:21,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:07:21,373 INFO L87 Difference]: Start difference. First operand 516 states and 655 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:07:22,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:07:22,829 INFO L93 Difference]: Finished difference Result 1095 states and 1386 transitions. [2023-11-29 07:07:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 07:07:22,830 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 122 [2023-11-29 07:07:22,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:07:22,833 INFO L225 Difference]: With dead ends: 1095 [2023-11-29 07:07:22,833 INFO L226 Difference]: Without dead ends: 655 [2023-11-29 07:07:22,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 07:07:22,835 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 280 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 07:07:22,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 875 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 07:07:22,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2023-11-29 07:07:22,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 515. [2023-11-29 07:07:22,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 442 states have (on average 1.2036199095022624) internal successors, (532), 442 states have internal predecessors, (532), 60 states have call successors, (60), 12 states have call predecessors, (60), 12 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 07:07:22,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 652 transitions. [2023-11-29 07:07:22,863 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 652 transitions. Word has length 122 [2023-11-29 07:07:22,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:07:22,864 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 652 transitions. [2023-11-29 07:07:22,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:07:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 652 transitions. [2023-11-29 07:07:22,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-29 07:07:22,865 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:07:22,865 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:07:22,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-29 07:07:23,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:07:23,066 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:07:23,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:07:23,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1970916476, now seen corresponding path program 1 times [2023-11-29 07:07:23,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:07:23,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1602498625] [2023-11-29 07:07:23,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:23,067 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:07:23,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:07:23,068 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:23,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:07:23,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 07:07:23,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:07:24,488 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 20 treesize of output 12 [2023-11-29 07:07:24,548 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 07:07:24,548 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:07:24,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:07:24,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1602498625] [2023-11-29 07:07:24,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1602498625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:07:24,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:07:24,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 07:07:24,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912735291] [2023-11-29 07:07:24,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:07:24,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:07:24,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:07:24,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:07:24,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:07:24,550 INFO L87 Difference]: Start difference. First operand 515 states and 652 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:07:25,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:07:25,770 INFO L93 Difference]: Finished difference Result 844 states and 1077 transitions. [2023-11-29 07:07:25,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:07:25,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 123 [2023-11-29 07:07:25,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:07:25,774 INFO L225 Difference]: With dead ends: 844 [2023-11-29 07:07:25,774 INFO L226 Difference]: Without dead ends: 722 [2023-11-29 07:07:25,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 07:07:25,776 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 56 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:07:25,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 493 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 07:07:25,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2023-11-29 07:07:25,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 719. [2023-11-29 07:07:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 618 states have (on average 1.2071197411003236) internal successors, (746), 618 states have internal predecessors, (746), 84 states have call successors, (84), 16 states have call predecessors, (84), 16 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2023-11-29 07:07:25,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 914 transitions. [2023-11-29 07:07:25,819 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 914 transitions. Word has length 123 [2023-11-29 07:07:25,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:07:25,819 INFO L495 AbstractCegarLoop]: Abstraction has 719 states and 914 transitions. [2023-11-29 07:07:25,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 07:07:25,820 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 914 transitions. [2023-11-29 07:07:25,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 07:07:25,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:07:25,821 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:07:25,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:26,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:07:26,021 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:07:26,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:07:26,022 INFO L85 PathProgramCache]: Analyzing trace with hash 672451360, now seen corresponding path program 1 times [2023-11-29 07:07:26,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:07:26,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1320658497] [2023-11-29 07:07:26,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:07:26,023 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 07:07:26,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:07:26,024 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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 07:07:26,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb50c58-677b-494a-981b-93e422f4f9a5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -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