./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX --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 06db6f319d52eb323239c55a3f8926e2d1f65f125a385def75e49857a30f4ad4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:14:20,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:14:20,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:14:20,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:14:20,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:14:20,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:14:20,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:14:20,744 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:14:20,747 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:14:20,747 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:14:20,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:14:20,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:14:20,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:14:20,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:14:20,749 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:14:20,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:14:20,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:14:20,753 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:14:20,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:14:20,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:14:20,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:14:20,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:14:20,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:14:20,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:14:20,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:14:20,759 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:14:20,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:14:20,759 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:14:20,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:14:20,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:14:20,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:14:20,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:14:20,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:14:20,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:14:20,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:14:20,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:14:20,775 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:14:20,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:14:20,775 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:14:20,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:14:20,776 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:14:20,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:14:20,780 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_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06db6f319d52eb323239c55a3f8926e2d1f65f125a385def75e49857a30f4ad4 [2024-11-08 19:14:21,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:14:21,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:14:21,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:14:21,111 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:14:21,112 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:14:21,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-31.i Unable to find full path for "g++" [2024-11-08 19:14:23,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:14:23,535 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:14:23,536 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-31.i [2024-11-08 19:14:23,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/data/748c06308/f98ebe12cbfc45d2ab9eca2597954c9b/FLAG3250892ba [2024-11-08 19:14:23,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/data/748c06308/f98ebe12cbfc45d2ab9eca2597954c9b [2024-11-08 19:14:23,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:14:23,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:14:23,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:14:23,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:14:23,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:14:23,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:14:23" (1/1) ... [2024-11-08 19:14:23,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5b0a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:23, skipping insertion in model container [2024-11-08 19:14:23,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:14:23" (1/1) ... [2024-11-08 19:14:23,947 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:14:24,165 WARN L250 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_a99527b5-fdba-407f-890e-3433b077ca81/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-31.i[916,929] [2024-11-08 19:14:24,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:14:24,269 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:14:24,282 WARN L250 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_a99527b5-fdba-407f-890e-3433b077ca81/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-31.i[916,929] [2024-11-08 19:14:24,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:14:24,372 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:14:24,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:24 WrapperNode [2024-11-08 19:14:24,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:14:24,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:14:24,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:14:24,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:14:24,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:24" (1/1) ... [2024-11-08 19:14:24,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:24" (1/1) ... [2024-11-08 19:14:24,456 INFO L138 Inliner]: procedures = 30, calls = 133, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 410 [2024-11-08 19:14:24,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:14:24,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:14:24,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:14:24,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:14:24,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:24" (1/1) ... [2024-11-08 19:14:24,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:24" (1/1) ... [2024-11-08 19:14:24,482 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:24" (1/1) ... [2024-11-08 19:14:24,495 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-08 19:14:24,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:24" (1/1) ... [2024-11-08 19:14:24,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:24" (1/1) ... [2024-11-08 19:14:24,525 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:24" (1/1) ... [2024-11-08 19:14:24,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:24" (1/1) ... [2024-11-08 19:14:24,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:24" (1/1) ... [2024-11-08 19:14:24,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:24" (1/1) ... [2024-11-08 19:14:24,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:14:24,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:14:24,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:14:24,549 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:14:24,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:24" (1/1) ... [2024-11-08 19:14:24,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:14:24,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:14:24,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:14:24,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:14:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:14:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-08 19:14:24,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-08 19:14:24,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 19:14:24,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:14:24,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 19:14:24,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:14:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:14:24,636 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:14:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:14:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:14:24,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:14:24,785 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:14:24,787 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:14:25,399 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-08 19:14:25,399 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:14:25,417 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:14:25,417 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:14:25,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:14:25 BoogieIcfgContainer [2024-11-08 19:14:25,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:14:25,424 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:14:25,425 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:14:25,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:14:25,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:14:23" (1/3) ... [2024-11-08 19:14:25,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624982a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:14:25, skipping insertion in model container [2024-11-08 19:14:25,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:24" (2/3) ... [2024-11-08 19:14:25,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624982a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:14:25, skipping insertion in model container [2024-11-08 19:14:25,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:14:25" (3/3) ... [2024-11-08 19:14:25,436 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-31.i [2024-11-08 19:14:25,454 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:14:25,455 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:14:25,516 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:14:25,522 INFO L333 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, 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;@24f61c15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:14:25,522 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:14:25,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 73 states have (on average 1.452054794520548) internal successors, (106), 74 states have internal predecessors, (106), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:14:25,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 19:14:25,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:25,536 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:25,536 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:25,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:25,541 INFO L85 PathProgramCache]: Analyzing trace with hash -113810893, now seen corresponding path program 1 times [2024-11-08 19:14:25,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:25,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975904527] [2024-11-08 19:14:25,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:25,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:25,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:14:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:25,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:14:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:25,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:14:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:25,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:14:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:25,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:14:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:25,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:14:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:25,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:14:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:14:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:14:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:14:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:14:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:26,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:26,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975904527] [2024-11-08 19:14:26,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975904527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:26,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:26,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:14:26,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282681214] [2024-11-08 19:14:26,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:26,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:14:26,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:26,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:14:26,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:14:26,083 INFO L87 Difference]: Start difference. First operand has 87 states, 73 states have (on average 1.452054794520548) internal successors, (106), 74 states have internal predecessors, (106), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:14:26,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:26,123 INFO L93 Difference]: Finished difference Result 167 states and 261 transitions. [2024-11-08 19:14:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:14:26,125 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2024-11-08 19:14:26,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:26,135 INFO L225 Difference]: With dead ends: 167 [2024-11-08 19:14:26,135 INFO L226 Difference]: Without dead ends: 83 [2024-11-08 19:14:26,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:14:26,142 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:26,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:14:26,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-08 19:14:26,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-08 19:14:26,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 70 states have (on average 1.4142857142857144) internal successors, (99), 70 states have internal predecessors, (99), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:14:26,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2024-11-08 19:14:26,204 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 94 [2024-11-08 19:14:26,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:26,205 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2024-11-08 19:14:26,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:14:26,205 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2024-11-08 19:14:26,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 19:14:26,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:26,210 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:26,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:14:26,211 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:26,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:26,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1435174021, now seen corresponding path program 1 times [2024-11-08 19:14:26,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:26,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109004423] [2024-11-08 19:14:26,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:26,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:14:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:14:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:14:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:14:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:14:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:14:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:14:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:14:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:14:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:14:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:14:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:26,889 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:26,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:26,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109004423] [2024-11-08 19:14:26,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109004423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:26,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:26,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:14:26,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570838290] [2024-11-08 19:14:26,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:26,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:14:26,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:26,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:14:26,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:14:26,895 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:26,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:26,932 INFO L93 Difference]: Finished difference Result 163 states and 239 transitions. [2024-11-08 19:14:26,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:14:26,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2024-11-08 19:14:26,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:26,938 INFO L225 Difference]: With dead ends: 163 [2024-11-08 19:14:26,938 INFO L226 Difference]: Without dead ends: 83 [2024-11-08 19:14:26,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:14:26,941 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 235 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 [2024-11-08 19:14:26,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 235 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:14:26,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-08 19:14:26,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-08 19:14:26,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 70 states have (on average 1.4) internal successors, (98), 70 states have internal predecessors, (98), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:14:26,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2024-11-08 19:14:26,957 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 94 [2024-11-08 19:14:26,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:26,959 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2024-11-08 19:14:26,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:26,959 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2024-11-08 19:14:26,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 19:14:26,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:26,961 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:26,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:14:26,961 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:26,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:26,962 INFO L85 PathProgramCache]: Analyzing trace with hash -153173881, now seen corresponding path program 1 times [2024-11-08 19:14:26,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:26,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906622673] [2024-11-08 19:14:26,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:26,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:29,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:14:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:29,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:14:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:29,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:14:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:29,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:14:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:29,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:14:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:29,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:14:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:29,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:14:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:29,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:14:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:29,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:14:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:29,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:14:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:29,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:14:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:29,934 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:29,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:29,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906622673] [2024-11-08 19:14:29,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906622673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:29,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:29,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:14:29,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491619606] [2024-11-08 19:14:29,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:29,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:14:29,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:29,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:14:29,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:29,941 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:14:30,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:30,466 INFO L93 Difference]: Finished difference Result 207 states and 297 transitions. [2024-11-08 19:14:30,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:14:30,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2024-11-08 19:14:30,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:30,469 INFO L225 Difference]: With dead ends: 207 [2024-11-08 19:14:30,470 INFO L226 Difference]: Without dead ends: 127 [2024-11-08 19:14:30,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:14:30,474 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 56 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:30,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 438 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 19:14:30,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-08 19:14:30,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2024-11-08 19:14:30,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 108 states have (on average 1.3981481481481481) internal successors, (151), 109 states have internal predecessors, (151), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:14:30,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 177 transitions. [2024-11-08 19:14:30,508 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 177 transitions. Word has length 94 [2024-11-08 19:14:30,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:30,511 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 177 transitions. [2024-11-08 19:14:30,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:14:30,512 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 177 transitions. [2024-11-08 19:14:30,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 19:14:30,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:30,518 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:30,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:14:30,518 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:30,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:30,519 INFO L85 PathProgramCache]: Analyzing trace with hash -564019038, now seen corresponding path program 1 times [2024-11-08 19:14:30,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:30,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293679162] [2024-11-08 19:14:30,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:30,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:30,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:14:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:30,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:14:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:30,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:14:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:30,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:14:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:30,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:14:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:30,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:14:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:30,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:14:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:30,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:14:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:30,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:14:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:30,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:14:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:30,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:14:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:30,869 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:30,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:30,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293679162] [2024-11-08 19:14:30,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293679162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:30,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:30,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:14:30,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507613352] [2024-11-08 19:14:30,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:30,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:14:30,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:30,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:14:30,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:14:30,873 INFO L87 Difference]: Start difference. First operand 124 states and 177 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:30,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:30,892 INFO L93 Difference]: Finished difference Result 245 states and 351 transitions. [2024-11-08 19:14:30,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:14:30,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-11-08 19:14:30,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:30,896 INFO L225 Difference]: With dead ends: 245 [2024-11-08 19:14:30,896 INFO L226 Difference]: Without dead ends: 124 [2024-11-08 19:14:30,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:14:30,898 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:30,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 232 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:14:30,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-08 19:14:30,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-08 19:14:30,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 108 states have (on average 1.3796296296296295) internal successors, (149), 109 states have internal predecessors, (149), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:14:30,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2024-11-08 19:14:30,910 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 96 [2024-11-08 19:14:30,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:30,910 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2024-11-08 19:14:30,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:30,911 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2024-11-08 19:14:30,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 19:14:30,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:30,913 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:30,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:14:30,913 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:30,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:30,913 INFO L85 PathProgramCache]: Analyzing trace with hash -957046048, now seen corresponding path program 1 times [2024-11-08 19:14:30,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:30,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060907778] [2024-11-08 19:14:30,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:30,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:32,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:14:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:32,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:14:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:32,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:14:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:32,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:14:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:32,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:14:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:32,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:14:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:32,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:14:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:32,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:14:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:32,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:14:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:32,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:14:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:32,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:14:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:32,897 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:32,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:32,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060907778] [2024-11-08 19:14:32,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060907778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:32,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:32,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:14:32,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76629673] [2024-11-08 19:14:32,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:32,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:14:32,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:32,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:14:32,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:14:32,900 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:14:33,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:33,499 INFO L93 Difference]: Finished difference Result 259 states and 364 transitions. [2024-11-08 19:14:33,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:14:33,500 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 96 [2024-11-08 19:14:33,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:33,502 INFO L225 Difference]: With dead ends: 259 [2024-11-08 19:14:33,502 INFO L226 Difference]: Without dead ends: 138 [2024-11-08 19:14:33,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:14:33,504 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 60 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:33,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 511 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 19:14:33,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-08 19:14:33,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 98. [2024-11-08 19:14:33,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 82 states have (on average 1.3414634146341464) internal successors, (110), 83 states have internal predecessors, (110), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:14:33,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 136 transitions. [2024-11-08 19:14:33,517 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 136 transitions. Word has length 96 [2024-11-08 19:14:33,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:33,518 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 136 transitions. [2024-11-08 19:14:33,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:14:33,518 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2024-11-08 19:14:33,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 19:14:33,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:33,520 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:33,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 19:14:33,521 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:33,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:33,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1827331119, now seen corresponding path program 1 times [2024-11-08 19:14:33,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:33,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630124639] [2024-11-08 19:14:33,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:33,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:34,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:14:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:34,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:14:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:34,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:14:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:34,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:14:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:34,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:14:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:34,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:14:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:34,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:14:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:34,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:14:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:34,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:14:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:34,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:14:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:34,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:14:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:34,579 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:34,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:34,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630124639] [2024-11-08 19:14:34,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630124639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:34,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:34,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:14:34,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886002473] [2024-11-08 19:14:34,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:34,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:14:34,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:34,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:14:34,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:34,586 INFO L87 Difference]: Start difference. First operand 98 states and 136 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:14:34,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:34,910 INFO L93 Difference]: Finished difference Result 222 states and 308 transitions. [2024-11-08 19:14:34,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:14:34,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 96 [2024-11-08 19:14:34,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:34,912 INFO L225 Difference]: With dead ends: 222 [2024-11-08 19:14:34,913 INFO L226 Difference]: Without dead ends: 132 [2024-11-08 19:14:34,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:14:34,914 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 98 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:34,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 417 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:14:34,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-08 19:14:34,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 98. [2024-11-08 19:14:34,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 82 states have (on average 1.329268292682927) internal successors, (109), 83 states have internal predecessors, (109), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:14:34,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2024-11-08 19:14:34,926 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 96 [2024-11-08 19:14:34,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:34,926 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2024-11-08 19:14:34,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:14:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2024-11-08 19:14:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 19:14:34,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:34,929 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:34,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 19:14:34,929 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:34,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:34,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1237406250, now seen corresponding path program 1 times [2024-11-08 19:14:34,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:34,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776894600] [2024-11-08 19:14:34,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:34,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:35,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:14:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:35,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:14:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:35,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:14:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:35,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:14:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:35,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:14:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:35,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:14:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:35,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:14:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:35,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:14:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:35,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:14:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:35,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:14:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:35,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:14:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:35,950 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:35,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:35,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776894600] [2024-11-08 19:14:35,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776894600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:35,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:35,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:14:35,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459390949] [2024-11-08 19:14:35,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:35,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:14:35,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:35,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:14:35,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:35,952 INFO L87 Difference]: Start difference. First operand 98 states and 135 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:14:36,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:36,354 INFO L93 Difference]: Finished difference Result 215 states and 295 transitions. [2024-11-08 19:14:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:14:36,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 97 [2024-11-08 19:14:36,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:36,356 INFO L225 Difference]: With dead ends: 215 [2024-11-08 19:14:36,356 INFO L226 Difference]: Without dead ends: 125 [2024-11-08 19:14:36,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:14:36,358 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 38 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:36,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 386 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:14:36,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-08 19:14:36,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 98. [2024-11-08 19:14:36,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 82 states have (on average 1.3170731707317074) internal successors, (108), 83 states have internal predecessors, (108), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:14:36,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 134 transitions. [2024-11-08 19:14:36,370 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 134 transitions. Word has length 97 [2024-11-08 19:14:36,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:36,370 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 134 transitions. [2024-11-08 19:14:36,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:14:36,371 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 134 transitions. [2024-11-08 19:14:36,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 19:14:36,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:36,372 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:36,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 19:14:36,372 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:36,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:36,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1883942955, now seen corresponding path program 1 times [2024-11-08 19:14:36,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:36,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157985165] [2024-11-08 19:14:36,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:36,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:37,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:14:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:37,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:14:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:37,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:14:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:37,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:14:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:37,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:14:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:37,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:14:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:37,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:14:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:37,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:14:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:37,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:14:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:37,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:14:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:37,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:14:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:37,396 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:37,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:37,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157985165] [2024-11-08 19:14:37,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157985165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:37,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:37,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:14:37,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069480163] [2024-11-08 19:14:37,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:37,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:14:37,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:37,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:14:37,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:14:37,402 INFO L87 Difference]: Start difference. First operand 98 states and 134 transitions. Second operand has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:14:37,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:37,916 INFO L93 Difference]: Finished difference Result 266 states and 362 transitions. [2024-11-08 19:14:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:14:37,917 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 98 [2024-11-08 19:14:37,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:37,918 INFO L225 Difference]: With dead ends: 266 [2024-11-08 19:14:37,918 INFO L226 Difference]: Without dead ends: 176 [2024-11-08 19:14:37,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:14:37,920 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 72 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:37,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 520 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:14:37,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-08 19:14:37,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 173. [2024-11-08 19:14:37,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 147 states have (on average 1.3129251700680271) internal successors, (193), 149 states have internal predecessors, (193), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 19:14:37,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2024-11-08 19:14:37,939 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 98 [2024-11-08 19:14:37,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:37,940 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2024-11-08 19:14:37,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:14:37,940 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2024-11-08 19:14:37,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 19:14:37,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:37,942 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:37,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 19:14:37,942 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:37,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:37,943 INFO L85 PathProgramCache]: Analyzing trace with hash 21303598, now seen corresponding path program 1 times [2024-11-08 19:14:37,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:37,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46940340] [2024-11-08 19:14:37,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:37,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:14:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:14:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:14:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:14:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:14:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:14:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:14:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:14:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:14:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:14:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:14:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,256 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:38,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:38,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46940340] [2024-11-08 19:14:38,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46940340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:38,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:38,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:14:38,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353762612] [2024-11-08 19:14:38,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:38,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:14:38,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:38,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:14:38,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:38,260 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:38,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:38,553 INFO L93 Difference]: Finished difference Result 429 states and 578 transitions. [2024-11-08 19:14:38,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:14:38,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-08 19:14:38,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:38,556 INFO L225 Difference]: With dead ends: 429 [2024-11-08 19:14:38,556 INFO L226 Difference]: Without dead ends: 264 [2024-11-08 19:14:38,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:14:38,557 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 48 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:38,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 608 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:14:38,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-08 19:14:38,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 183. [2024-11-08 19:14:38,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 157 states have (on average 1.3184713375796178) internal successors, (207), 159 states have internal predecessors, (207), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 19:14:38,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 249 transitions. [2024-11-08 19:14:38,591 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 249 transitions. Word has length 99 [2024-11-08 19:14:38,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:38,592 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 249 transitions. [2024-11-08 19:14:38,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:38,592 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 249 transitions. [2024-11-08 19:14:38,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 19:14:38,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:38,594 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:38,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 19:14:38,594 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:38,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:38,594 INFO L85 PathProgramCache]: Analyzing trace with hash -999764756, now seen corresponding path program 1 times [2024-11-08 19:14:38,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:38,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151430870] [2024-11-08 19:14:38,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:38,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:14:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:14:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:14:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:14:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:14:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:14:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:14:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:14:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:14:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:14:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:14:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:38,964 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:38,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:38,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151430870] [2024-11-08 19:14:38,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151430870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:38,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:38,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:14:38,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478138718] [2024-11-08 19:14:38,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:38,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:14:38,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:38,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:14:38,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:14:38,967 INFO L87 Difference]: Start difference. First operand 183 states and 249 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:39,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:39,210 INFO L93 Difference]: Finished difference Result 453 states and 611 transitions. [2024-11-08 19:14:39,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:14:39,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-08 19:14:39,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:39,213 INFO L225 Difference]: With dead ends: 453 [2024-11-08 19:14:39,213 INFO L226 Difference]: Without dead ends: 278 [2024-11-08 19:14:39,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:39,214 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 96 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:39,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 322 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:14:39,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-08 19:14:39,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 188. [2024-11-08 19:14:39,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 164 states have (on average 1.329268292682927) internal successors, (218), 165 states have internal predecessors, (218), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 19:14:39,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 256 transitions. [2024-11-08 19:14:39,233 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 256 transitions. Word has length 99 [2024-11-08 19:14:39,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:39,234 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 256 transitions. [2024-11-08 19:14:39,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:39,234 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 256 transitions. [2024-11-08 19:14:39,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 19:14:39,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:39,236 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:39,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 19:14:39,236 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:39,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:39,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1706854638, now seen corresponding path program 1 times [2024-11-08 19:14:39,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:39,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121386078] [2024-11-08 19:14:39,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:39,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:39,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:14:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:39,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:14:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:39,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:14:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:39,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:14:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:39,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:14:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:39,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:14:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:39,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:14:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:39,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:14:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:39,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:14:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:39,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:14:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:39,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:14:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:39,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:39,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121386078] [2024-11-08 19:14:39,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121386078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:39,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:39,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:14:39,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514220561] [2024-11-08 19:14:39,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:39,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:14:39,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:39,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:14:39,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:14:39,530 INFO L87 Difference]: Start difference. First operand 188 states and 256 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:39,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:39,812 INFO L93 Difference]: Finished difference Result 464 states and 617 transitions. [2024-11-08 19:14:39,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:14:39,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-08 19:14:39,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:39,817 INFO L225 Difference]: With dead ends: 464 [2024-11-08 19:14:39,817 INFO L226 Difference]: Without dead ends: 279 [2024-11-08 19:14:39,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:39,819 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 55 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:39,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 373 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:14:39,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-08 19:14:39,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 267. [2024-11-08 19:14:39,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 231 states have (on average 1.277056277056277) internal successors, (295), 234 states have internal predecessors, (295), 27 states have call successors, (27), 8 states have call predecessors, (27), 8 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 19:14:39,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 349 transitions. [2024-11-08 19:14:39,855 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 349 transitions. Word has length 99 [2024-11-08 19:14:39,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:39,856 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 349 transitions. [2024-11-08 19:14:39,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:39,856 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 349 transitions. [2024-11-08 19:14:39,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 19:14:39,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:39,858 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:39,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 19:14:39,858 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:39,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:39,859 INFO L85 PathProgramCache]: Analyzing trace with hash 742129579, now seen corresponding path program 1 times [2024-11-08 19:14:39,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:39,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754224031] [2024-11-08 19:14:39,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:39,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:14:39,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [333915604] [2024-11-08 19:14:39,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:39,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:14:39,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:14:39,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:14:39,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:14:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:40,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:14:40,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:14:40,426 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:14:40,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 24 [2024-11-08 19:14:40,445 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:14:40,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 24 [2024-11-08 19:14:40,463 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:14:40,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 24 [2024-11-08 19:14:40,501 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:14:40,501 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 36 treesize of output 12 [2024-11-08 19:14:40,514 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:40,514 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:14:40,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:40,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754224031] [2024-11-08 19:14:40,515 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:14:40,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333915604] [2024-11-08 19:14:40,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333915604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:40,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:40,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:14:40,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395721323] [2024-11-08 19:14:40,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:40,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:14:40,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:40,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:14:40,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:14:40,518 INFO L87 Difference]: Start difference. First operand 267 states and 349 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:40,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:40,975 INFO L93 Difference]: Finished difference Result 613 states and 805 transitions. [2024-11-08 19:14:40,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:14:40,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-08 19:14:40,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:40,978 INFO L225 Difference]: With dead ends: 613 [2024-11-08 19:14:40,978 INFO L226 Difference]: Without dead ends: 349 [2024-11-08 19:14:40,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:40,979 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 47 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:40,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 412 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:14:40,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-08 19:14:41,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 309. [2024-11-08 19:14:41,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 273 states have (on average 1.2673992673992673) internal successors, (346), 276 states have internal predecessors, (346), 27 states have call successors, (27), 8 states have call predecessors, (27), 8 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 19:14:41,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 400 transitions. [2024-11-08 19:14:41,007 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 400 transitions. Word has length 99 [2024-11-08 19:14:41,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:41,007 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 400 transitions. [2024-11-08 19:14:41,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 400 transitions. [2024-11-08 19:14:41,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 19:14:41,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:41,009 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:41,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 19:14:41,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-08 19:14:41,214 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:41,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:41,215 INFO L85 PathProgramCache]: Analyzing trace with hash -528184807, now seen corresponding path program 1 times [2024-11-08 19:14:41,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:41,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956634165] [2024-11-08 19:14:41,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:41,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:41,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:14:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:41,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:14:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:41,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:14:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:41,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:14:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:41,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:14:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:41,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:14:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:41,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:14:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:41,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:14:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:41,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:14:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:41,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:14:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:41,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 19:14:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:41,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:14:41,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956634165] [2024-11-08 19:14:41,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956634165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:41,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:41,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:14:41,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415513656] [2024-11-08 19:14:41,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:41,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:14:41,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:14:41,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:14:41,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:41,460 INFO L87 Difference]: Start difference. First operand 309 states and 400 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:41,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:41,529 INFO L93 Difference]: Finished difference Result 631 states and 817 transitions. [2024-11-08 19:14:41,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:14:41,530 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 100 [2024-11-08 19:14:41,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:41,532 INFO L225 Difference]: With dead ends: 631 [2024-11-08 19:14:41,532 INFO L226 Difference]: Without dead ends: 325 [2024-11-08 19:14:41,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:14:41,535 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:41,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 556 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:14:41,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-08 19:14:41,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 319. [2024-11-08 19:14:41,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 283 states have (on average 1.2579505300353357) internal successors, (356), 286 states have internal predecessors, (356), 27 states have call successors, (27), 8 states have call predecessors, (27), 8 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 19:14:41,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 410 transitions. [2024-11-08 19:14:41,564 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 410 transitions. Word has length 100 [2024-11-08 19:14:41,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:41,565 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 410 transitions. [2024-11-08 19:14:41,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 410 transitions. [2024-11-08 19:14:41,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 19:14:41,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:41,567 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:41,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 19:14:41,567 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:41,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:41,567 INFO L85 PathProgramCache]: Analyzing trace with hash 2142682672, now seen corresponding path program 1 times [2024-11-08 19:14:41,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:14:41,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655331496] [2024-11-08 19:14:41,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:41,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:14:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:14:41,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1533055338] [2024-11-08 19:14:41,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:41,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:14:41,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:14:41,706 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:14:41,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 19:14:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:42,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:14:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:14:42,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:14:42,715 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:14:42,717 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:14:42,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 19:14:42,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-08 19:14:42,924 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:42,986 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:14:42,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:14:42 BoogieIcfgContainer [2024-11-08 19:14:42,996 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:14:42,996 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:14:42,996 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:14:42,996 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:14:42,997 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:14:25" (3/4) ... [2024-11-08 19:14:42,999 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:14:43,001 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:14:43,002 INFO L158 Benchmark]: Toolchain (without parser) took 19092.27ms. Allocated memory was 140.5MB in the beginning and 394.3MB in the end (delta: 253.8MB). Free memory was 102.0MB in the beginning and 299.9MB in the end (delta: -197.9MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2024-11-08 19:14:43,002 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 108.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:14:43,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.68ms. Allocated memory is still 140.5MB. Free memory was 102.0MB in the beginning and 85.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:14:43,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.50ms. Allocated memory is still 140.5MB. Free memory was 85.2MB in the beginning and 81.5MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:14:43,003 INFO L158 Benchmark]: Boogie Preprocessor took 86.76ms. Allocated memory is still 140.5MB. Free memory was 81.5MB in the beginning and 78.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:14:43,003 INFO L158 Benchmark]: RCFGBuilder took 869.38ms. Allocated memory is still 140.5MB. Free memory was 78.1MB in the beginning and 102.0MB in the end (delta: -23.9MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2024-11-08 19:14:43,004 INFO L158 Benchmark]: TraceAbstraction took 17571.36ms. Allocated memory was 140.5MB in the beginning and 394.3MB in the end (delta: 253.8MB). Free memory was 101.2MB in the beginning and 301.0MB in the end (delta: -199.8MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2024-11-08 19:14:43,004 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 394.3MB. Free memory was 301.0MB in the beginning and 299.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:14:43,006 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 108.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.68ms. Allocated memory is still 140.5MB. Free memory was 102.0MB in the beginning and 85.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.50ms. Allocated memory is still 140.5MB. Free memory was 85.2MB in the beginning and 81.5MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.76ms. Allocated memory is still 140.5MB. Free memory was 81.5MB in the beginning and 78.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 869.38ms. Allocated memory is still 140.5MB. Free memory was 78.1MB in the beginning and 102.0MB in the end (delta: -23.9MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * TraceAbstraction took 17571.36ms. Allocated memory was 140.5MB in the beginning and 394.3MB in the end (delta: 253.8MB). Free memory was 101.2MB in the beginning and 301.0MB in the end (delta: -199.8MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 394.3MB. Free memory was 301.0MB in the beginning and 299.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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 111. Possible FailurePath: [L34] unsigned char isInitial = 0; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 200, 0, 1107940323, 0, 4, -32, 64, 4, 0.97, 32.6 }; [L47] signed long int last_1_WrapperStruct00_var_1_7 = 4; [L48] double last_1_WrapperStruct00_var_1_13 = 0.97; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L115] isInitial = 1 [L116] FCALL initially() [L117] COND TRUE 1 [L118] CALL updateLastVariables() [L107] EXPR WrapperStruct00.var_1_7 [L107] last_1_WrapperStruct00_var_1_7 = WrapperStruct00.var_1_7 [L108] EXPR WrapperStruct00.var_1_13 [L108] last_1_WrapperStruct00_var_1_13 = WrapperStruct00.var_1_13 [L118] RET updateLastVariables() [L119] CALL updateVariables() [L88] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L89] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L90] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L91] WrapperStruct00.var_1_3 = __VERIFIER_nondet_long() [L92] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 1073741822) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 1073741822) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L93] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 2147483646) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 2147483646) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L94] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L95] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L96] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L97] WrapperStruct00.var_1_8 = __VERIFIER_nondet_long() [L98] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= -1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= -1073741823) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L99] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 1073741823) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L100] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L101] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L102] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L102] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L103] WrapperStruct00.var_1_14 = __VERIFIER_nondet_double() [L104] EXPR WrapperStruct00.var_1_14 [L104] EXPR WrapperStruct00.var_1_14 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F [L104] EXPR WrapperStruct00.var_1_14 [L104] EXPR WrapperStruct00.var_1_14 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L104] EXPR (WrapperStruct00.var_1_14 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L104] CALL assume_abort_if_not((WrapperStruct00.var_1_14 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L104] RET assume_abort_if_not((WrapperStruct00.var_1_14 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L119] RET updateVariables() [L120] CALL step() [L52] EXPR WrapperStruct00.var_1_3 [L52] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L52] COND FALSE !(! (WrapperStruct00.var_1_3 < (WrapperStruct00.var_1_8 * last_1_WrapperStruct00_var_1_7))) [L59] EXPR WrapperStruct00.var_1_12 [L59] WrapperStruct00.var_1_9 = WrapperStruct00.var_1_12 [L61] EXPR WrapperStruct00.var_1_9 [L61] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L61] COND FALSE !(WrapperStruct00.var_1_9 < WrapperStruct00.var_1_9) [L64] EXPR WrapperStruct00.var_1_9 [L64] EXPR WrapperStruct00.var_1_3 [L64] WrapperStruct00.var_1_7 = (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_3) [L66] EXPR WrapperStruct00.var_1_9 [L66] EXPR WrapperStruct00.var_1_3 [L66] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L66] COND FALSE !((WrapperStruct00.var_1_9 + WrapperStruct00.var_1_3) < WrapperStruct00.var_1_9) [L77] EXPR WrapperStruct00.var_1_14 [L77] WrapperStruct00.var_1_13 = WrapperStruct00.var_1_14 [L79] WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L79] COND TRUE WrapperStruct00.var_1_2 [L80] EXPR WrapperStruct00.var_1_3 [L80] EXPR WrapperStruct00.var_1_9 [L80] EXPR WrapperStruct00.var_1_9 [L80] WrapperStruct00.var_1_1 = ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_9) - WrapperStruct00.var_1_9) [L120] RET step() [L121] CALL, EXPR property() [L111] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L111] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((signed long int) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_9) - WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_6 && (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3)) : 1) [L111] EXPR WrapperStruct00.var_1_1 [L111] EXPR WrapperStruct00.var_1_3 [L111] EXPR WrapperStruct00.var_1_9 [L111] EXPR WrapperStruct00.var_1_9 [L111] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((signed long int) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_9) - WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_6 && (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3)) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L111] EXPR (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((signed long int) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_9) - WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_6 && (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3)) : 1)) && ((WrapperStruct00.var_1_9 < WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 + WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_3)))) [L111] EXPR WrapperStruct00.var_1_9 [L111] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L111] EXPR (WrapperStruct00.var_1_9 < WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 + WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_3))) [L111] EXPR WrapperStruct00.var_1_7 [L111] EXPR WrapperStruct00.var_1_9 [L111] EXPR WrapperStruct00.var_1_3 [L111] EXPR (WrapperStruct00.var_1_9 < WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 + WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_3))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L111] EXPR (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((signed long int) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_9) - WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_6 && (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3)) : 1)) && ((WrapperStruct00.var_1_9 < WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 + WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_3)))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L111] EXPR ((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((signed long int) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_9) - WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_6 && (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3)) : 1)) && ((WrapperStruct00.var_1_9 < WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 + WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_3))))) && ((! (WrapperStruct00.var_1_3 < (WrapperStruct00.var_1_8 * last_1_WrapperStruct00_var_1_7))) ? ((((((last_1_WrapperStruct00_var_1_13) < 0 ) ? -(last_1_WrapperStruct00_var_1_13) : (last_1_WrapperStruct00_var_1_13))) < last_1_WrapperStruct00_var_1_13) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_9 == ((unsigned char) WrapperStruct00.var_1_12)) : 1) : 1) : (WrapperStruct00.var_1_9 == ((unsigned char) WrapperStruct00.var_1_12))) [L111] EXPR WrapperStruct00.var_1_3 [L111] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L111] EXPR (! (WrapperStruct00.var_1_3 < (WrapperStruct00.var_1_8 * last_1_WrapperStruct00_var_1_7))) ? ((((((last_1_WrapperStruct00_var_1_13) < 0 ) ? -(last_1_WrapperStruct00_var_1_13) : (last_1_WrapperStruct00_var_1_13))) < last_1_WrapperStruct00_var_1_13) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_9 == ((unsigned char) WrapperStruct00.var_1_12)) : 1) : 1) : (WrapperStruct00.var_1_9 == ((unsigned char) WrapperStruct00.var_1_12)) [L111] EXPR WrapperStruct00.var_1_9 [L111] EXPR WrapperStruct00.var_1_12 [L111] EXPR (! (WrapperStruct00.var_1_3 < (WrapperStruct00.var_1_8 * last_1_WrapperStruct00_var_1_7))) ? ((((((last_1_WrapperStruct00_var_1_13) < 0 ) ? -(last_1_WrapperStruct00_var_1_13) : (last_1_WrapperStruct00_var_1_13))) < last_1_WrapperStruct00_var_1_13) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_9 == ((unsigned char) WrapperStruct00.var_1_12)) : 1) : 1) : (WrapperStruct00.var_1_9 == ((unsigned char) WrapperStruct00.var_1_12)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L111] EXPR ((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((signed long int) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_9) - WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_6 && (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3)) : 1)) && ((WrapperStruct00.var_1_9 < WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 + WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_3))))) && ((! (WrapperStruct00.var_1_3 < (WrapperStruct00.var_1_8 * last_1_WrapperStruct00_var_1_7))) ? ((((((last_1_WrapperStruct00_var_1_13) < 0 ) ? -(last_1_WrapperStruct00_var_1_13) : (last_1_WrapperStruct00_var_1_13))) < last_1_WrapperStruct00_var_1_13) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_9 == ((unsigned char) WrapperStruct00.var_1_12)) : 1) : 1) : (WrapperStruct00.var_1_9 == ((unsigned char) WrapperStruct00.var_1_12))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L111] EXPR (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((signed long int) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_9) - WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_6 && (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3)) : 1)) && ((WrapperStruct00.var_1_9 < WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 + WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_3))))) && ((! (WrapperStruct00.var_1_3 < (WrapperStruct00.var_1_8 * last_1_WrapperStruct00_var_1_7))) ? ((((((last_1_WrapperStruct00_var_1_13) < 0 ) ? -(last_1_WrapperStruct00_var_1_13) : (last_1_WrapperStruct00_var_1_13))) < last_1_WrapperStruct00_var_1_13) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_9 == ((unsigned char) WrapperStruct00.var_1_12)) : 1) : 1) : (WrapperStruct00.var_1_9 == ((unsigned char) WrapperStruct00.var_1_12)))) && (((WrapperStruct00.var_1_9 + WrapperStruct00.var_1_3) < WrapperStruct00.var_1_9) ? ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_13 == ((double) 0.8)) : (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_14))) [L111] EXPR WrapperStruct00.var_1_9 [L111] EXPR WrapperStruct00.var_1_3 [L111] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L111] EXPR ((WrapperStruct00.var_1_9 + WrapperStruct00.var_1_3) < WrapperStruct00.var_1_9) ? ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_13 == ((double) 0.8)) : (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_14)) [L111] EXPR WrapperStruct00.var_1_13 [L111] EXPR WrapperStruct00.var_1_14 [L111] EXPR ((WrapperStruct00.var_1_9 + WrapperStruct00.var_1_3) < WrapperStruct00.var_1_9) ? ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_13 == ((double) 0.8)) : (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_14)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L111] EXPR (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((signed long int) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_9) - WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_6 && (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3)) : 1)) && ((WrapperStruct00.var_1_9 < WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 + WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_3))))) && ((! (WrapperStruct00.var_1_3 < (WrapperStruct00.var_1_8 * last_1_WrapperStruct00_var_1_7))) ? ((((((last_1_WrapperStruct00_var_1_13) < 0 ) ? -(last_1_WrapperStruct00_var_1_13) : (last_1_WrapperStruct00_var_1_13))) < last_1_WrapperStruct00_var_1_13) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_9 == ((unsigned char) WrapperStruct00.var_1_12)) : 1) : 1) : (WrapperStruct00.var_1_9 == ((unsigned char) WrapperStruct00.var_1_12)))) && (((WrapperStruct00.var_1_9 + WrapperStruct00.var_1_3) < WrapperStruct00.var_1_9) ? ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_13 == ((double) 0.8)) : (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_14))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L111-L112] return (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((signed long int) ((WrapperStruct00.var_1_3 - WrapperStruct00.var_1_9) - WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_6 && (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_3)) : 1)) && ((WrapperStruct00.var_1_9 < WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 + WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_7 == ((signed long int) (WrapperStruct00.var_1_9 - WrapperStruct00.var_1_3))))) && ((! (WrapperStruct00.var_1_3 < (WrapperStruct00.var_1_8 * last_1_WrapperStruct00_var_1_7))) ? ((((((last_1_WrapperStruct00_var_1_13) < 0 ) ? -(last_1_WrapperStruct00_var_1_13) : (last_1_WrapperStruct00_var_1_13))) < last_1_WrapperStruct00_var_1_13) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_9 == ((unsigned char) WrapperStruct00.var_1_12)) : 1) : 1) : (WrapperStruct00.var_1_9 == ((unsigned char) WrapperStruct00.var_1_12)))) && (((WrapperStruct00.var_1_9 + WrapperStruct00.var_1_3) < WrapperStruct00.var_1_9) ? ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_13 == ((double) 0.8)) : (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_14))) ; [L121] RET, EXPR property() [L121] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_13=97/100, last_1_WrapperStruct00_var_1_7=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.4s, OverallIterations: 14, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 575 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 570 mSDsluCounter, 5131 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3574 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1998 IncrementalHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 1557 mSDtfsCounter, 1998 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 500 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=319occurred in iteration=13, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 336 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 1560 NumberOfCodeBlocks, 1560 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1248 ConstructedInterpolants, 0 QuantifiedInterpolants, 2719 SizeOfPredicates, 3 NumberOfNonLiveVariables, 386 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 2860/2860 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 [2024-11-08 19:14:43,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/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_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX --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 06db6f319d52eb323239c55a3f8926e2d1f65f125a385def75e49857a30f4ad4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:14:45,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:14:45,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 19:14:45,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:14:45,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:14:45,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:14:45,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:14:45,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:14:45,615 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:14:45,617 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:14:45,618 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:14:45,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:14:45,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:14:45,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:14:45,620 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:14:45,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:14:45,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:14:45,625 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:14:45,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:14:45,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:14:45,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:14:45,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:14:45,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:14:45,627 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:14:45,628 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:14:45,628 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:14:45,628 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:14:45,629 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:14:45,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:14:45,633 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:14:45,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:14:45,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:14:45,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:14:45,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:14:45,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:14:45,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:14:45,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:14:45,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:14:45,638 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:14:45,639 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:14:45,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:14:45,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:14:45,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:14:45,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:14:45,641 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06db6f319d52eb323239c55a3f8926e2d1f65f125a385def75e49857a30f4ad4 [2024-11-08 19:14:46,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:14:46,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:14:46,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:14:46,114 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:14:46,115 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:14:46,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-31.i Unable to find full path for "g++" [2024-11-08 19:14:48,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:14:48,586 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:14:48,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-31.i [2024-11-08 19:14:48,599 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/data/59639477f/27b6cf6d57f443a99895d2461a6c25f8/FLAG781c32551 [2024-11-08 19:14:48,618 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/data/59639477f/27b6cf6d57f443a99895d2461a6c25f8 [2024-11-08 19:14:48,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:14:48,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:14:48,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:14:48,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:14:48,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:14:48,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:14:48" (1/1) ... [2024-11-08 19:14:48,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3949c86e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:48, skipping insertion in model container [2024-11-08 19:14:48,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:14:48" (1/1) ... [2024-11-08 19:14:48,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:14:48,866 WARN L250 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_a99527b5-fdba-407f-890e-3433b077ca81/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-31.i[916,929] [2024-11-08 19:14:48,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:14:48,952 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:14:48,983 WARN L250 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_a99527b5-fdba-407f-890e-3433b077ca81/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-31.i[916,929] [2024-11-08 19:14:49,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:14:49,098 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:14:49,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:49 WrapperNode [2024-11-08 19:14:49,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:14:49,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:14:49,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:14:49,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:14:49,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:49" (1/1) ... [2024-11-08 19:14:49,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:49" (1/1) ... [2024-11-08 19:14:49,191 INFO L138 Inliner]: procedures = 34, calls = 133, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 407 [2024-11-08 19:14:49,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:14:49,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:14:49,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:14:49,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:14:49,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:49" (1/1) ... [2024-11-08 19:14:49,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:49" (1/1) ... [2024-11-08 19:14:49,221 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:49" (1/1) ... [2024-11-08 19:14:49,258 INFO L175 MemorySlicer]: Split 111 memory accesses to 2 slices as follows [2, 109]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 27 writes are split as follows [0, 27]. [2024-11-08 19:14:49,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:49" (1/1) ... [2024-11-08 19:14:49,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:49" (1/1) ... [2024-11-08 19:14:49,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:49" (1/1) ... [2024-11-08 19:14:49,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:49" (1/1) ... [2024-11-08 19:14:49,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:49" (1/1) ... [2024-11-08 19:14:49,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:49" (1/1) ... [2024-11-08 19:14:49,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:14:49,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:14:49,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:14:49,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:14:49,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:49" (1/1) ... [2024-11-08 19:14:49,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:14:49,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:14:49,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:14:49,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:14:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:14:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-08 19:14:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-08 19:14:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-11-08 19:14:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-11-08 19:14:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-08 19:14:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-08 19:14:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 19:14:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 19:14:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:14:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 19:14:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 19:14:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 19:14:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-08 19:14:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-08 19:14:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-08 19:14:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-08 19:14:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:14:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:14:49,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:14:49,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:14:49,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-08 19:14:49,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-08 19:14:49,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 19:14:49,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 19:14:49,514 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:14:49,516 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:14:50,295 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-08 19:14:50,296 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:14:50,313 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:14:50,314 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:14:50,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:14:50 BoogieIcfgContainer [2024-11-08 19:14:50,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:14:50,316 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:14:50,317 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:14:50,320 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:14:50,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:14:48" (1/3) ... [2024-11-08 19:14:50,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a53d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:14:50, skipping insertion in model container [2024-11-08 19:14:50,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:14:49" (2/3) ... [2024-11-08 19:14:50,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a53d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:14:50, skipping insertion in model container [2024-11-08 19:14:50,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:14:50" (3/3) ... [2024-11-08 19:14:50,324 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-31.i [2024-11-08 19:14:50,344 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:14:50,344 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:14:50,430 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:14:50,439 INFO L333 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, 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;@79d7d3f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:14:50,440 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:14:50,446 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 73 states have (on average 1.452054794520548) internal successors, (106), 74 states have internal predecessors, (106), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:14:50,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 19:14:50,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:50,467 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:50,468 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:50,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:50,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1894060799, now seen corresponding path program 1 times [2024-11-08 19:14:50,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:14:50,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242654132] [2024-11-08 19:14:50,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:50,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:14:50,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:14:50,498 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:14:50,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:14:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:50,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:14:50,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:14:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-08 19:14:50,964 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:14:50,965 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:14:50,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1242654132] [2024-11-08 19:14:50,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1242654132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:50,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:50,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:14:50,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957985167] [2024-11-08 19:14:50,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:50,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:14:50,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:14:51,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:14:51,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:14:51,012 INFO L87 Difference]: Start difference. First operand has 87 states, 73 states have (on average 1.452054794520548) internal successors, (106), 74 states have internal predecessors, (106), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:14:51,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:51,056 INFO L93 Difference]: Finished difference Result 164 states and 256 transitions. [2024-11-08 19:14:51,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:14:51,059 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2024-11-08 19:14:51,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:51,067 INFO L225 Difference]: With dead ends: 164 [2024-11-08 19:14:51,068 INFO L226 Difference]: Without dead ends: 80 [2024-11-08 19:14:51,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:14:51,075 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:51,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:14:51,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-08 19:14:51,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-08 19:14:51,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 67 states have (on average 1.373134328358209) internal successors, (92), 67 states have internal predecessors, (92), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:14:51,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2024-11-08 19:14:51,142 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 94 [2024-11-08 19:14:51,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:51,144 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2024-11-08 19:14:51,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:14:51,145 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2024-11-08 19:14:51,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 19:14:51,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:51,153 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:51,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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)] Ended with exit code 0 [2024-11-08 19:14:51,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:14:51,354 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:51,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:51,355 INFO L85 PathProgramCache]: Analyzing trace with hash -851921583, now seen corresponding path program 1 times [2024-11-08 19:14:51,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:14:51,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048443998] [2024-11-08 19:14:51,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:51,356 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 [2024-11-08 19:14:51,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:14:51,359 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:14:51,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:14:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:51,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:14:51,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:14:51,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-08 19:14:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:51,816 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:14:51,817 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:14:51,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048443998] [2024-11-08 19:14:51,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048443998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:51,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:51,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:14:51,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059773737] [2024-11-08 19:14:51,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:51,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:14:51,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:14:51,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:14:51,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:14:51,821 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:51,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:51,869 INFO L93 Difference]: Finished difference Result 157 states and 225 transitions. [2024-11-08 19:14:51,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:14:51,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2024-11-08 19:14:51,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:51,873 INFO L225 Difference]: With dead ends: 157 [2024-11-08 19:14:51,874 INFO L226 Difference]: Without dead ends: 80 [2024-11-08 19:14:51,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:14:51,876 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 221 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 [2024-11-08 19:14:51,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:14:51,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-08 19:14:51,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-08 19:14:51,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 67 states have (on average 1.3582089552238805) internal successors, (91), 67 states have internal predecessors, (91), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:14:51,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 113 transitions. [2024-11-08 19:14:51,896 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 113 transitions. Word has length 94 [2024-11-08 19:14:51,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:51,898 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 113 transitions. [2024-11-08 19:14:51,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:51,901 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2024-11-08 19:14:51,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 19:14:51,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:51,906 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:51,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:14:52,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:14:52,107 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:52,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:52,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1854697811, now seen corresponding path program 1 times [2024-11-08 19:14:52,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:14:52,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472244889] [2024-11-08 19:14:52,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:52,114 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 [2024-11-08 19:14:52,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:14:52,117 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:14:52,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:14:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:52,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 19:14:52,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:14:52,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:14:52,601 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:14:52,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-08 19:14:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:52,789 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:14:52,789 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:14:52,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1472244889] [2024-11-08 19:14:52,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1472244889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:52,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:52,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:14:52,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903906770] [2024-11-08 19:14:52,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:52,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:14:52,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:14:52,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:14:52,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:14:52,795 INFO L87 Difference]: Start difference. First operand 80 states and 113 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:53,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:53,771 INFO L93 Difference]: Finished difference Result 199 states and 279 transitions. [2024-11-08 19:14:53,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:14:53,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2024-11-08 19:14:53,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:53,775 INFO L225 Difference]: With dead ends: 199 [2024-11-08 19:14:53,777 INFO L226 Difference]: Without dead ends: 122 [2024-11-08 19:14:53,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:14:53,778 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 52 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:53,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 359 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 19:14:53,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-08 19:14:53,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 119. [2024-11-08 19:14:53,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 103 states have (on average 1.3592233009708738) internal successors, (140), 104 states have internal predecessors, (140), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:14:53,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 166 transitions. [2024-11-08 19:14:53,828 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 166 transitions. Word has length 94 [2024-11-08 19:14:53,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:53,828 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 166 transitions. [2024-11-08 19:14:53,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:53,829 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 166 transitions. [2024-11-08 19:14:53,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 19:14:53,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:53,835 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:53,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-08 19:14:54,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:14:54,036 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:54,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:54,038 INFO L85 PathProgramCache]: Analyzing trace with hash 560361326, now seen corresponding path program 1 times [2024-11-08 19:14:54,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:14:54,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108777770] [2024-11-08 19:14:54,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:54,039 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 [2024-11-08 19:14:54,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:14:54,043 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:14:54,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:14:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:54,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:14:54,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:14:54,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-08 19:14:54,406 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:54,406 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:14:54,406 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:14:54,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108777770] [2024-11-08 19:14:54,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108777770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:54,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:54,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:14:54,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826707866] [2024-11-08 19:14:54,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:54,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:14:54,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:14:54,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:14:54,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:14:54,410 INFO L87 Difference]: Start difference. First operand 119 states and 166 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:54,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:14:54,437 INFO L93 Difference]: Finished difference Result 235 states and 329 transitions. [2024-11-08 19:14:54,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:14:54,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-11-08 19:14:54,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:14:54,443 INFO L225 Difference]: With dead ends: 235 [2024-11-08 19:14:54,446 INFO L226 Difference]: Without dead ends: 119 [2024-11-08 19:14:54,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:14:54,447 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:14:54,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 218 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:14:54,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-08 19:14:54,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-08 19:14:54,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 104 states have internal predecessors, (138), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:14:54,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 164 transitions. [2024-11-08 19:14:54,475 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 164 transitions. Word has length 96 [2024-11-08 19:14:54,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:14:54,480 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 164 transitions. [2024-11-08 19:14:54,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:14:54,480 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 164 transitions. [2024-11-08 19:14:54,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 19:14:54,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:14:54,482 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:14:54,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-08 19:14:54,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:14:54,686 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:14:54,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:14:54,687 INFO L85 PathProgramCache]: Analyzing trace with hash 167334316, now seen corresponding path program 1 times [2024-11-08 19:14:54,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:14:54,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [670400794] [2024-11-08 19:14:54,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:14:54,688 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 [2024-11-08 19:14:54,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:14:54,689 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:14:54,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:14:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:14:55,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 19:14:55,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:14:55,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:14:55,115 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:14:55,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-08 19:14:55,176 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:14:55,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 46 [2024-11-08 19:14:58,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:14:58,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 63 [2024-11-08 19:14:58,617 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:14:58,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 136 treesize of output 56 [2024-11-08 19:14:58,682 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:14:58,682 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:14:58,682 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:14:58,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [670400794] [2024-11-08 19:14:58,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [670400794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:14:58,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:14:58,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:14:58,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915313205] [2024-11-08 19:14:58,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:14:58,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:14:58,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:14:58,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:14:58,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=39, Unknown=1, NotChecked=0, Total=56 [2024-11-08 19:14:58,685 INFO L87 Difference]: Start difference. First operand 119 states and 164 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:03,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:15:06,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:15:10,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:15:13,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:15:17,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:15:20,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:15:22,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:15:22,364 INFO L93 Difference]: Finished difference Result 252 states and 344 transitions. [2024-11-08 19:15:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 19:15:22,366 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-11-08 19:15:22,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:15:22,367 INFO L225 Difference]: With dead ends: 252 [2024-11-08 19:15:22,367 INFO L226 Difference]: Without dead ends: 136 [2024-11-08 19:15:22,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=52, Invalid=129, Unknown=1, NotChecked=0, Total=182 [2024-11-08 19:15:22,369 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 106 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:15:22,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 546 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 314 Invalid, 6 Unknown, 0 Unchecked, 23.0s Time] [2024-11-08 19:15:22,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-08 19:15:22,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 95. [2024-11-08 19:15:22,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 80 states have internal predecessors, (103), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:15:22,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 129 transitions. [2024-11-08 19:15:22,399 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 129 transitions. Word has length 96 [2024-11-08 19:15:22,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:15:22,400 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 129 transitions. [2024-11-08 19:15:22,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:22,400 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions. [2024-11-08 19:15:22,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 19:15:22,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:15:22,402 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:15:22,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-08 19:15:22,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:15:22,605 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:15:22,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:15:22,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1343255813, now seen corresponding path program 1 times [2024-11-08 19:15:22,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:15:22,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1244158762] [2024-11-08 19:15:22,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:15:22,606 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 [2024-11-08 19:15:22,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:15:22,610 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:15:22,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:15:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:22,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 19:15:22,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:15:22,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:15:23,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 19:15:23,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 19:15:23,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 19:15:23,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2024-11-08 19:15:23,382 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:23,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 38 [2024-11-08 19:15:26,773 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:26,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 52 [2024-11-08 19:15:26,904 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:26,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 79 treesize of output 78 [2024-11-08 19:15:27,129 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:27,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 90 treesize of output 102 [2024-11-08 19:15:31,909 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:31,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 103 treesize of output 117 [2024-11-08 19:15:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 128 proven. 27 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-08 19:15:32,239 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:15:32,449 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:15:32,449 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:15:32,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1244158762] [2024-11-08 19:15:32,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1244158762] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:15:32,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:15:32,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 17 [2024-11-08 19:15:32,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784323890] [2024-11-08 19:15:32,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:15:32,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:15:32,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:15:32,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:15:32,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=198, Unknown=2, NotChecked=0, Total=272 [2024-11-08 19:15:32,453 INFO L87 Difference]: Start difference. First operand 95 states and 129 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:32,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:15:32,960 INFO L93 Difference]: Finished difference Result 214 states and 290 transitions. [2024-11-08 19:15:32,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:15:32,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2024-11-08 19:15:32,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:15:32,963 INFO L225 Difference]: With dead ends: 214 [2024-11-08 19:15:32,963 INFO L226 Difference]: Without dead ends: 127 [2024-11-08 19:15:32,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=78, Invalid=226, Unknown=2, NotChecked=0, Total=306 [2024-11-08 19:15:32,965 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 90 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:15:32,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 311 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:15:32,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-08 19:15:32,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 95. [2024-11-08 19:15:32,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 79 states have (on average 1.2911392405063291) internal successors, (102), 80 states have internal predecessors, (102), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:15:32,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 128 transitions. [2024-11-08 19:15:32,979 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 128 transitions. Word has length 96 [2024-11-08 19:15:32,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:15:32,980 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 128 transitions. [2024-11-08 19:15:32,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:32,980 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 128 transitions. [2024-11-08 19:15:32,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 19:15:32,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:15:32,982 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:15:32,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:15:33,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:15:33,183 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:15:33,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:15:33,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1328159340, now seen corresponding path program 1 times [2024-11-08 19:15:33,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:15:33,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [794085025] [2024-11-08 19:15:33,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:15:33,184 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 [2024-11-08 19:15:33,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:15:33,187 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:15:33,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:15:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:33,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:15:33,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:15:33,459 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:15:33,459 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:15:33,459 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:15:33,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [794085025] [2024-11-08 19:15:33,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [794085025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:15:33,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:15:33,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:15:33,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234320250] [2024-11-08 19:15:33,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:15:33,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:15:33,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:15:33,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:15:33,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:15:33,465 INFO L87 Difference]: Start difference. First operand 95 states and 128 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:33,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:15:33,490 INFO L93 Difference]: Finished difference Result 183 states and 248 transitions. [2024-11-08 19:15:33,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:15:33,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 97 [2024-11-08 19:15:33,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:15:33,492 INFO L225 Difference]: With dead ends: 183 [2024-11-08 19:15:33,492 INFO L226 Difference]: Without dead ends: 96 [2024-11-08 19:15:33,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:15:33,494 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:15:33,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 215 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:15:33,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-08 19:15:33,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-08 19:15:33,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 80 states have (on average 1.2875) internal successors, (103), 81 states have internal predecessors, (103), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:15:33,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 129 transitions. [2024-11-08 19:15:33,516 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 129 transitions. Word has length 97 [2024-11-08 19:15:33,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:15:33,517 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 129 transitions. [2024-11-08 19:15:33,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:33,517 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 129 transitions. [2024-11-08 19:15:33,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 19:15:33,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:15:33,521 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:15:33,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:15:33,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:15:33,726 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:15:33,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:15:33,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1069993902, now seen corresponding path program 1 times [2024-11-08 19:15:33,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:15:33,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713361685] [2024-11-08 19:15:33,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:15:33,728 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 [2024-11-08 19:15:33,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:15:33,731 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:15:33,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:15:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:33,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:15:33,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:15:34,007 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:15:34,007 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:15:34,007 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:15:34,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [713361685] [2024-11-08 19:15:34,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [713361685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:15:34,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:15:34,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:15:34,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637024334] [2024-11-08 19:15:34,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:15:34,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:15:34,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:15:34,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:15:34,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:15:34,010 INFO L87 Difference]: Start difference. First operand 96 states and 129 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:34,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:15:34,064 INFO L93 Difference]: Finished difference Result 187 states and 252 transitions. [2024-11-08 19:15:34,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:15:34,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 97 [2024-11-08 19:15:34,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:15:34,066 INFO L225 Difference]: With dead ends: 187 [2024-11-08 19:15:34,066 INFO L226 Difference]: Without dead ends: 99 [2024-11-08 19:15:34,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:15:34,068 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:15:34,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 426 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:15:34,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-08 19:15:34,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2024-11-08 19:15:34,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 81 states have (on average 1.2839506172839505) internal successors, (104), 82 states have internal predecessors, (104), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:15:34,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 130 transitions. [2024-11-08 19:15:34,090 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 130 transitions. Word has length 97 [2024-11-08 19:15:34,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:15:34,091 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 130 transitions. [2024-11-08 19:15:34,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:34,091 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 130 transitions. [2024-11-08 19:15:34,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 19:15:34,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:15:34,093 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:15:34,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-08 19:15:34,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:15:34,294 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:15:34,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:15:34,294 INFO L85 PathProgramCache]: Analyzing trace with hash -741353326, now seen corresponding path program 1 times [2024-11-08 19:15:34,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:15:34,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [329553454] [2024-11-08 19:15:34,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:15:34,295 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 [2024-11-08 19:15:34,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:15:34,296 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:15:34,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:15:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:34,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 19:15:34,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:15:34,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:15:34,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 19:15:34,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 19:15:34,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-08 19:15:34,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2024-11-08 19:15:34,964 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:34,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 48 [2024-11-08 19:15:39,316 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:39,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 65 [2024-11-08 19:15:39,489 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:39,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 89 treesize of output 91 [2024-11-08 19:15:39,694 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:39,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 97 treesize of output 118 [2024-11-08 19:15:43,935 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:43,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 138 treesize of output 143 [2024-11-08 19:15:44,602 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:44,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 155 treesize of output 69 [2024-11-08 19:15:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 128 proven. 27 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-08 19:15:44,692 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:15:44,925 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:15:44,926 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:15:44,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [329553454] [2024-11-08 19:15:44,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [329553454] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:15:44,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:15:44,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2024-11-08 19:15:44,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735252427] [2024-11-08 19:15:44,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:15:44,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:15:44,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:15:44,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:15:44,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=207, Unknown=2, NotChecked=0, Total=272 [2024-11-08 19:15:44,929 INFO L87 Difference]: Start difference. First operand 97 states and 130 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:45,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:15:45,437 INFO L93 Difference]: Finished difference Result 213 states and 283 transitions. [2024-11-08 19:15:45,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:15:45,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 97 [2024-11-08 19:15:45,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:15:45,439 INFO L225 Difference]: With dead ends: 213 [2024-11-08 19:15:45,440 INFO L226 Difference]: Without dead ends: 124 [2024-11-08 19:15:45,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=68, Invalid=236, Unknown=2, NotChecked=0, Total=306 [2024-11-08 19:15:45,442 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 34 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:15:45,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 313 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 19:15:45,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-08 19:15:45,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 97. [2024-11-08 19:15:45,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 81 states have (on average 1.271604938271605) internal successors, (103), 82 states have internal predecessors, (103), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:15:45,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 129 transitions. [2024-11-08 19:15:45,457 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 129 transitions. Word has length 97 [2024-11-08 19:15:45,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:15:45,458 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 129 transitions. [2024-11-08 19:15:45,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:45,458 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 129 transitions. [2024-11-08 19:15:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 19:15:45,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:15:45,460 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:15:45,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2024-11-08 19:15:45,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:15:45,660 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:15:45,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:15:45,661 INFO L85 PathProgramCache]: Analyzing trace with hash 81714423, now seen corresponding path program 1 times [2024-11-08 19:15:45,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:15:45,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291211596] [2024-11-08 19:15:45,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:15:45,661 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 [2024-11-08 19:15:45,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:15:45,663 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:15:45,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:15:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:46,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:15:46,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:15:46,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:15:46,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2024-11-08 19:15:46,066 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:46,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 47 [2024-11-08 19:15:46,127 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:46,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 76 treesize of output 52 [2024-11-08 19:15:46,170 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:46,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 76 treesize of output 66 [2024-11-08 19:15:46,646 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:46,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 135 treesize of output 61 [2024-11-08 19:15:46,710 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:15:46,710 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:15:46,710 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:15:46,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291211596] [2024-11-08 19:15:46,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291211596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:15:46,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:15:46,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:15:46,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936288968] [2024-11-08 19:15:46,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:15:46,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:15:46,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:15:46,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:15:46,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:15:46,713 INFO L87 Difference]: Start difference. First operand 97 states and 129 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:49,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:15:49,184 INFO L93 Difference]: Finished difference Result 302 states and 396 transitions. [2024-11-08 19:15:49,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 19:15:49,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 98 [2024-11-08 19:15:49,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:15:49,186 INFO L225 Difference]: With dead ends: 302 [2024-11-08 19:15:49,186 INFO L226 Difference]: Without dead ends: 213 [2024-11-08 19:15:49,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:15:49,187 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 205 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:15:49,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 520 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 19:15:49,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-08 19:15:49,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 172. [2024-11-08 19:15:49,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 146 states have (on average 1.273972602739726) internal successors, (186), 148 states have internal predecessors, (186), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 19:15:49,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 228 transitions. [2024-11-08 19:15:49,208 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 228 transitions. Word has length 98 [2024-11-08 19:15:49,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:15:49,208 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 228 transitions. [2024-11-08 19:15:49,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:49,209 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 228 transitions. [2024-11-08 19:15:49,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 19:15:49,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:15:49,210 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:15:49,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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)] Ended with exit code 0 [2024-11-08 19:15:49,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:15:49,411 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:15:49,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:15:49,412 INFO L85 PathProgramCache]: Analyzing trace with hash -13206038, now seen corresponding path program 1 times [2024-11-08 19:15:49,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:15:49,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2074114629] [2024-11-08 19:15:49,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:15:49,412 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 [2024-11-08 19:15:49,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:15:49,414 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:15:49,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:15:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:49,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:15:49,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:15:49,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:15:49,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2024-11-08 19:15:49,812 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:15:49,812 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:15:49,812 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:15:49,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2074114629] [2024-11-08 19:15:49,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2074114629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:15:49,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:15:49,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:15:49,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900741832] [2024-11-08 19:15:49,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:15:49,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:15:49,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:15:49,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:15:49,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:15:49,815 INFO L87 Difference]: Start difference. First operand 172 states and 228 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:50,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:15:50,394 INFO L93 Difference]: Finished difference Result 429 states and 560 transitions. [2024-11-08 19:15:50,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:15:50,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-08 19:15:50,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:15:50,397 INFO L225 Difference]: With dead ends: 429 [2024-11-08 19:15:50,397 INFO L226 Difference]: Without dead ends: 265 [2024-11-08 19:15:50,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:15:50,399 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 44 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:15:50,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 568 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 19:15:50,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-08 19:15:50,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 180. [2024-11-08 19:15:50,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 154 states have (on average 1.2857142857142858) internal successors, (198), 156 states have internal predecessors, (198), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 19:15:50,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 240 transitions. [2024-11-08 19:15:50,419 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 240 transitions. Word has length 99 [2024-11-08 19:15:50,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:15:50,420 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 240 transitions. [2024-11-08 19:15:50,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:50,420 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 240 transitions. [2024-11-08 19:15:50,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 19:15:50,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:15:50,421 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:15:50,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-11-08 19:15:50,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:15:50,623 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:15:50,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:15:50,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1034274392, now seen corresponding path program 1 times [2024-11-08 19:15:50,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:15:50,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181233674] [2024-11-08 19:15:50,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:15:50,624 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 [2024-11-08 19:15:50,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:15:50,627 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:15:50,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:15:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:50,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:15:50,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:15:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:15:51,012 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:15:51,012 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:15:51,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1181233674] [2024-11-08 19:15:51,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1181233674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:15:51,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:15:51,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:15:51,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077944602] [2024-11-08 19:15:51,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:15:51,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:15:51,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:15:51,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:15:51,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:15:51,015 INFO L87 Difference]: Start difference. First operand 180 states and 240 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:51,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:15:51,626 INFO L93 Difference]: Finished difference Result 441 states and 579 transitions. [2024-11-08 19:15:51,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:15:51,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-08 19:15:51,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:15:51,630 INFO L225 Difference]: With dead ends: 441 [2024-11-08 19:15:51,630 INFO L226 Difference]: Without dead ends: 269 [2024-11-08 19:15:51,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:15:51,631 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 46 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:15:51,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 377 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 19:15:51,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-08 19:15:51,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 183. [2024-11-08 19:15:51,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 159 states have (on average 1.3018867924528301) internal successors, (207), 160 states have internal predecessors, (207), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 19:15:51,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 245 transitions. [2024-11-08 19:15:51,653 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 245 transitions. Word has length 99 [2024-11-08 19:15:51,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:15:51,653 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 245 transitions. [2024-11-08 19:15:51,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:51,654 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 245 transitions. [2024-11-08 19:15:51,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 19:15:51,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:15:51,655 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:15:51,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:15:51,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:15:51,856 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:15:51,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:15:51,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1672345002, now seen corresponding path program 1 times [2024-11-08 19:15:51,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:15:51,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1656299159] [2024-11-08 19:15:51,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:15:51,857 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 [2024-11-08 19:15:51,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:15:51,858 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:15:51,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:15:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:52,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:15:52,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:15:52,157 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:15:52,157 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:15:52,157 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:15:52,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1656299159] [2024-11-08 19:15:52,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1656299159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:15:52,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:15:52,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:15:52,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249223562] [2024-11-08 19:15:52,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:15:52,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:15:52,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:15:52,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:15:52,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:15:52,160 INFO L87 Difference]: Start difference. First operand 183 states and 245 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:52,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:15:52,749 INFO L93 Difference]: Finished difference Result 444 states and 579 transitions. [2024-11-08 19:15:52,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:15:52,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-08 19:15:52,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:15:52,753 INFO L225 Difference]: With dead ends: 444 [2024-11-08 19:15:52,754 INFO L226 Difference]: Without dead ends: 264 [2024-11-08 19:15:52,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:15:52,755 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 52 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:15:52,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 358 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 19:15:52,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-08 19:15:52,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 258. [2024-11-08 19:15:52,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 222 states have (on average 1.2342342342342343) internal successors, (274), 225 states have internal predecessors, (274), 27 states have call successors, (27), 8 states have call predecessors, (27), 8 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 19:15:52,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 328 transitions. [2024-11-08 19:15:52,808 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 328 transitions. Word has length 99 [2024-11-08 19:15:52,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:15:52,809 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 328 transitions. [2024-11-08 19:15:52,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:15:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 328 transitions. [2024-11-08 19:15:52,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 19:15:52,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:15:52,811 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:15:52,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:15:53,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:15:53,011 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:15:53,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:15:53,012 INFO L85 PathProgramCache]: Analyzing trace with hash 707619943, now seen corresponding path program 1 times [2024-11-08 19:15:53,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:15:53,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371055462] [2024-11-08 19:15:53,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:15:53,013 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 [2024-11-08 19:15:53,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:15:53,016 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:15:53,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:15:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:15:53,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 19:15:53,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:15:53,457 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 71 treesize of output 70 [2024-11-08 19:15:53,587 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 98 treesize of output 88 [2024-11-08 19:15:53,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-08 19:15:53,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2024-11-08 19:15:54,152 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:54,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2024-11-08 19:15:54,325 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:54,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2024-11-08 19:15:54,497 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:54,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 36 [2024-11-08 19:15:58,356 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:58,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 78 treesize of output 77 [2024-11-08 19:15:58,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:15:58,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 99 treesize of output 90 [2024-11-08 19:16:02,663 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:16:02,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 114 treesize of output 107 [2024-11-08 19:16:03,558 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:16:03,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 128 treesize of output 46 [2024-11-08 19:16:03,635 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 130 proven. 24 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 19:16:03,635 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:16:04,758 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:16:04,759 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:16:04,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371055462] [2024-11-08 19:16:04,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [371055462] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:16:04,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:16:04,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-08 19:16:04,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945087564] [2024-11-08 19:16:04,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:16:04,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:16:04,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:16:04,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:16:04,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=258, Unknown=2, NotChecked=0, Total=342 [2024-11-08 19:16:04,761 INFO L87 Difference]: Start difference. First operand 258 states and 328 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:16:09,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:13,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:18,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:22,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:26,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:30,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:34,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:38,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:39,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:16:39,497 INFO L93 Difference]: Finished difference Result 580 states and 737 transitions. [2024-11-08 19:16:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:16:39,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2024-11-08 19:16:39,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:16:39,503 INFO L225 Difference]: With dead ends: 580 [2024-11-08 19:16:39,503 INFO L226 Difference]: Without dead ends: 325 [2024-11-08 19:16:39,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=87, Invalid=291, Unknown=2, NotChecked=0, Total=380 [2024-11-08 19:16:39,505 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 80 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:16:39,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 308 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 8 Unknown, 0 Unchecked, 34.5s Time] [2024-11-08 19:16:39,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-08 19:16:39,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 289. [2024-11-08 19:16:39,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 253 states have (on average 1.2213438735177866) internal successors, (309), 256 states have internal predecessors, (309), 27 states have call successors, (27), 8 states have call predecessors, (27), 8 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 19:16:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 363 transitions. [2024-11-08 19:16:39,537 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 363 transitions. Word has length 99 [2024-11-08 19:16:39,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:16:39,538 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 363 transitions. [2024-11-08 19:16:39,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:16:39,538 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 363 transitions. [2024-11-08 19:16:39,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 19:16:39,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:16:39,540 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:39,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2024-11-08 19:16:39,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:16:39,741 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:16:39,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:39,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1597983515, now seen corresponding path program 1 times [2024-11-08 19:16:39,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:16:39,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1703509538] [2024-11-08 19:16:39,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:39,742 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 [2024-11-08 19:16:39,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:16:39,743 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:16:39,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:16:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:39,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:16:39,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:16:40,040 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:16:40,040 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:16:40,040 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:16:40,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1703509538] [2024-11-08 19:16:40,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1703509538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:16:40,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:16:40,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:16:40,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998593873] [2024-11-08 19:16:40,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:16:40,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:16:40,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:16:40,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:16:40,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:16:40,043 INFO L87 Difference]: Start difference. First operand 289 states and 363 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:16:40,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:16:40,164 INFO L93 Difference]: Finished difference Result 581 states and 731 transitions. [2024-11-08 19:16:40,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:16:40,165 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 100 [2024-11-08 19:16:40,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:16:40,167 INFO L225 Difference]: With dead ends: 581 [2024-11-08 19:16:40,168 INFO L226 Difference]: Without dead ends: 295 [2024-11-08 19:16:40,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:16:40,169 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:16:40,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 522 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:16:40,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-08 19:16:40,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 289. [2024-11-08 19:16:40,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 253 states have (on average 1.2134387351778657) internal successors, (307), 256 states have internal predecessors, (307), 27 states have call successors, (27), 8 states have call predecessors, (27), 8 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 19:16:40,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 361 transitions. [2024-11-08 19:16:40,206 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 361 transitions. Word has length 100 [2024-11-08 19:16:40,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:16:40,206 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 361 transitions. [2024-11-08 19:16:40,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:16:40,207 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 361 transitions. [2024-11-08 19:16:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 19:16:40,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:16:40,208 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:40,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-08 19:16:40,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:16:40,409 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:16:40,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:40,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1072883964, now seen corresponding path program 1 times [2024-11-08 19:16:40,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:16:40,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1703999911] [2024-11-08 19:16:40,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:40,410 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 [2024-11-08 19:16:40,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:16:40,412 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:16:40,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:16:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:40,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 19:16:40,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:16:41,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 10 [2024-11-08 19:16:41,565 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:16:41,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 144 treesize of output 83 [2024-11-08 19:16:41,708 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:16:41,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 170 treesize of output 109 [2024-11-08 19:16:41,913 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:16:41,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 243 treesize of output 153 [2024-11-08 19:16:42,254 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:16:42,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 230 treesize of output 184 [2024-11-08 19:16:44,456 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:16:44,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 445 treesize of output 179 [2024-11-08 19:16:44,754 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 19:16:44,754 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:16:46,183 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:16:46,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1703999911] [2024-11-08 19:16:46,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1703999911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:16:46,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546249103] [2024-11-08 19:16:46,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:46,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:16:46,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:16:46,186 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:16:46,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-08 19:16:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:46,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 19:16:46,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:16:47,556 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:16:47,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 59 [2024-11-08 19:16:47,705 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:16:47,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 104 treesize of output 85 [2024-11-08 19:16:47,921 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:16:47,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 129 [2024-11-08 19:16:48,378 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:16:48,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 209 treesize of output 151 [2024-11-08 19:16:50,475 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:16:50,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 428 treesize of output 150 [2024-11-08 19:16:50,526 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-08 19:16:50,527 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:16:50,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546249103] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:16:50,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:16:50,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 23 [2024-11-08 19:16:50,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694321793] [2024-11-08 19:16:50,877 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:16:50,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 19:16:50,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:16:50,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 19:16:50,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=697, Unknown=0, NotChecked=0, Total=812 [2024-11-08 19:16:50,880 INFO L87 Difference]: Start difference. First operand 289 states and 361 transitions. Second operand has 24 states, 24 states have (on average 3.4583333333333335) internal successors, (83), 23 states have internal predecessors, (83), 3 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 19:16:56,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:17:03,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:17:07,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:17:17,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:17:17,780 INFO L93 Difference]: Finished difference Result 743 states and 911 transitions. [2024-11-08 19:17:17,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-08 19:17:17,784 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.4583333333333335) internal successors, (83), 23 states have internal predecessors, (83), 3 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 100 [2024-11-08 19:17:17,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:17:17,792 INFO L225 Difference]: With dead ends: 743 [2024-11-08 19:17:17,792 INFO L226 Difference]: Without dead ends: 741 [2024-11-08 19:17:17,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 225 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 700 ImplicationChecksByTransitivity, 16.9s TimeCoverageRelationStatistics Valid=656, Invalid=3004, Unknown=0, NotChecked=0, Total=3660 [2024-11-08 19:17:17,795 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 453 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 1753 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 1839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:17:17,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 865 Invalid, 1839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1753 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2024-11-08 19:17:17,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-08 19:17:17,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 624. [2024-11-08 19:17:17,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 553 states have (on average 1.209764918625678) internal successors, (669), 560 states have internal predecessors, (669), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 47 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-08 19:17:17,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 777 transitions. [2024-11-08 19:17:17,915 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 777 transitions. Word has length 100 [2024-11-08 19:17:17,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:17:17,916 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 777 transitions. [2024-11-08 19:17:17,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.4583333333333335) internal successors, (83), 23 states have internal predecessors, (83), 3 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 19:17:17,917 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 777 transitions. [2024-11-08 19:17:17,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 19:17:17,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:17:17,919 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:17:17,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-08 19:17:18,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-08 19:17:18,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:17:18,320 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:17:18,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:17:18,320 INFO L85 PathProgramCache]: Analyzing trace with hash 228878462, now seen corresponding path program 1 times [2024-11-08 19:17:18,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:17:18,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047884195] [2024-11-08 19:17:18,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:17:18,321 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 [2024-11-08 19:17:18,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:17:18,322 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:17:18,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:17:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:18,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:17:18,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:17:18,590 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 19:17:18,590 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:17:18,590 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:17:18,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047884195] [2024-11-08 19:17:18,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1047884195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:17:18,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:17:18,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:17:18,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455461359] [2024-11-08 19:17:18,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:17:18,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:17:18,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:17:18,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:17:18,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:17:18,592 INFO L87 Difference]: Start difference. First operand 624 states and 777 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:17:18,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:17:18,725 INFO L93 Difference]: Finished difference Result 1245 states and 1551 transitions. [2024-11-08 19:17:18,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:17:18,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 100 [2024-11-08 19:17:18,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:17:18,733 INFO L225 Difference]: With dead ends: 1245 [2024-11-08 19:17:18,733 INFO L226 Difference]: Without dead ends: 624 [2024-11-08 19:17:18,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:17:18,736 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:17:18,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 316 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:17:18,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2024-11-08 19:17:18,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 624. [2024-11-08 19:17:18,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 553 states have (on average 1.2079566003616637) internal successors, (668), 560 states have internal predecessors, (668), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 47 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-08 19:17:18,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 776 transitions. [2024-11-08 19:17:18,821 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 776 transitions. Word has length 100 [2024-11-08 19:17:18,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:17:18,822 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 776 transitions. [2024-11-08 19:17:18,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:17:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 776 transitions. [2024-11-08 19:17:18,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 19:17:18,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:17:18,832 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:17:18,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:17:19,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:17:19,033 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:17:19,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:17:19,033 INFO L85 PathProgramCache]: Analyzing trace with hash -2135174559, now seen corresponding path program 1 times [2024-11-08 19:17:19,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:17:19,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2053110736] [2024-11-08 19:17:19,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:17:19,034 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 [2024-11-08 19:17:19,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:17:19,037 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:17:19,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:17:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:19,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 19:17:19,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:17:19,453 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 67 treesize of output 66 [2024-11-08 19:17:19,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 122 [2024-11-08 19:17:20,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 122 [2024-11-08 19:17:21,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 215 [2024-11-08 19:17:24,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 359 treesize of output 304 [2024-11-08 19:17:29,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 359 treesize of output 304 [2024-11-08 19:17:36,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 365 treesize of output 310 [2024-11-08 19:18:31,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 376 treesize of output 317 [2024-11-08 19:18:34,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 415 treesize of output 352 [2024-11-08 19:18:36,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 415 treesize of output 348 [2024-11-08 19:18:38,383 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 426 treesize of output 370 [2024-11-08 19:18:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 93 proven. 24 refuted. 37 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 19:18:39,530 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:18:43,621 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:18:43,621 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:18:43,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2053110736] [2024-11-08 19:18:43,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2053110736] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:18:43,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:18:43,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16] total 22 [2024-11-08 19:18:43,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97711253] [2024-11-08 19:18:43,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:18:43,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:18:43,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:18:43,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:18:43,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=364, Unknown=13, NotChecked=0, Total=462 [2024-11-08 19:18:43,624 INFO L87 Difference]: Start difference. First operand 624 states and 776 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:18:50,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:18:54,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:18:59,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:19:03,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:19:07,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:19:11,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:19:15,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:19:19,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:19:23,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:19:27,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:19:31,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:19:35,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:19:39,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:19:43,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:19:46,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:19:46,283 INFO L93 Difference]: Finished difference Result 1377 states and 1712 transitions. [2024-11-08 19:19:46,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:19:46,288 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 101 [2024-11-08 19:19:46,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:19:46,291 INFO L225 Difference]: With dead ends: 1377 [2024-11-08 19:19:46,291 INFO L226 Difference]: Without dead ends: 756 [2024-11-08 19:19:46,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 175 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 74.2s TimeCoverageRelationStatistics Valid=104, Invalid=435, Unknown=13, NotChecked=0, Total=552 [2024-11-08 19:19:46,294 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 75 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 2 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:19:46,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 418 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 234 Invalid, 14 Unknown, 0 Unchecked, 61.8s Time] [2024-11-08 19:19:46,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-11-08 19:19:46,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 624. [2024-11-08 19:19:46,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 553 states have (on average 1.2079566003616637) internal successors, (668), 560 states have internal predecessors, (668), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 47 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-08 19:19:46,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 776 transitions. [2024-11-08 19:19:46,377 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 776 transitions. Word has length 101 [2024-11-08 19:19:46,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:19:46,378 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 776 transitions. [2024-11-08 19:19:46,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:19:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 776 transitions. [2024-11-08 19:19:46,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 19:19:46,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:19:46,380 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:19:46,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:19:46,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:19:46,581 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:19:46,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:19:46,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1140065370, now seen corresponding path program 1 times [2024-11-08 19:19:46,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:19:46,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337047728] [2024-11-08 19:19:46,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:19:46,583 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 [2024-11-08 19:19:46,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:19:46,586 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:19:46,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:19:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:19:46,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 19:19:46,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:19:46,990 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 73 treesize of output 72 [2024-11-08 19:19:47,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 94 [2024-11-08 19:19:48,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2024-11-08 19:19:50,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 101 [2024-11-08 19:19:51,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 104 [2024-11-08 19:19:53,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 108 [2024-11-08 19:19:55,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 117 [2024-11-08 19:20:10,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 135 [2024-11-08 19:20:12,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 170 [2024-11-08 19:20:20,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 166 [2024-11-08 19:20:21,787 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 222 treesize of output 188 [2024-11-08 19:20:22,086 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 1 proven. 195 refuted. 8 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 19:20:22,087 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:20:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:20:26,882 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:20:26,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337047728] [2024-11-08 19:20:26,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337047728] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:20:26,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:20:26,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [21] total 27 [2024-11-08 19:20:26,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74449782] [2024-11-08 19:20:26,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:26,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:20:26,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:20:26,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:20:26,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=561, Unknown=5, NotChecked=0, Total=702 [2024-11-08 19:20:26,884 INFO L87 Difference]: Start difference. First operand 624 states and 776 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:20:33,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:20:37,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:20:42,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:20:46,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:20:50,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:20:54,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:20:58,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:21:02,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:21:06,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:21:10,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:21:15,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:21:19,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:21:23,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:21:27,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:21:29,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:21:29,989 INFO L93 Difference]: Finished difference Result 1377 states and 1712 transitions. [2024-11-08 19:21:30,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:21:30,011 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 102 [2024-11-08 19:21:30,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:21:30,015 INFO L225 Difference]: With dead ends: 1377 [2024-11-08 19:21:30,015 INFO L226 Difference]: Without dead ends: 756 [2024-11-08 19:21:30,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 35.0s TimeCoverageRelationStatistics Valid=160, Invalid=647, Unknown=5, NotChecked=0, Total=812 [2024-11-08 19:21:30,017 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 73 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 2 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:21:30,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 418 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 234 Invalid, 14 Unknown, 0 Unchecked, 61.7s Time] [2024-11-08 19:21:30,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-11-08 19:21:30,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 624. [2024-11-08 19:21:30,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 553 states have (on average 1.2079566003616637) internal successors, (668), 560 states have internal predecessors, (668), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 47 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-08 19:21:30,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 776 transitions. [2024-11-08 19:21:30,089 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 776 transitions. Word has length 102 [2024-11-08 19:21:30,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:21:30,090 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 776 transitions. [2024-11-08 19:21:30,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:21:30,090 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 776 transitions. [2024-11-08 19:21:30,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 19:21:30,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:21:30,092 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:21:30,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:21:30,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:21:30,293 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:21:30,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:21:30,294 INFO L85 PathProgramCache]: Analyzing trace with hash -548878372, now seen corresponding path program 1 times [2024-11-08 19:21:30,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:21:30,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2129604520] [2024-11-08 19:21:30,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:30,294 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 [2024-11-08 19:21:30,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:21:30,295 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:21:30,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:21:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:30,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:21:30,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:21:30,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-08 19:21:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:21:30,682 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:21:30,683 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:21:30,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2129604520] [2024-11-08 19:21:30,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2129604520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:21:30,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:21:30,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:21:30,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683715756] [2024-11-08 19:21:30,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:21:30,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:21:30,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:21:30,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:21:30,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:21:30,686 INFO L87 Difference]: Start difference. First operand 624 states and 776 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:21:31,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:21:31,568 INFO L93 Difference]: Finished difference Result 1253 states and 1565 transitions. [2024-11-08 19:21:31,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:21:31,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 102 [2024-11-08 19:21:31,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:21:31,573 INFO L225 Difference]: With dead ends: 1253 [2024-11-08 19:21:31,573 INFO L226 Difference]: Without dead ends: 632 [2024-11-08 19:21:31,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:21:31,575 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:21:31,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 19:21:31,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-11-08 19:21:31,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2024-11-08 19:21:31,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 561 states have (on average 1.2121212121212122) internal successors, (680), 568 states have internal predecessors, (680), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 47 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-08 19:21:31,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 788 transitions. [2024-11-08 19:21:31,661 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 788 transitions. Word has length 102 [2024-11-08 19:21:31,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:21:31,663 INFO L471 AbstractCegarLoop]: Abstraction has 632 states and 788 transitions. [2024-11-08 19:21:31,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:21:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 788 transitions. [2024-11-08 19:21:31,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 19:21:31,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:21:31,668 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:21:31,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:21:31,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:21:31,868 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:21:31,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:21:31,869 INFO L85 PathProgramCache]: Analyzing trace with hash -126176546, now seen corresponding path program 1 times [2024-11-08 19:21:31,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:21:31,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1628754823] [2024-11-08 19:21:31,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:31,869 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 [2024-11-08 19:21:31,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:21:31,870 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:21:31,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:21:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:32,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:21:32,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:21:32,225 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:21:32,226 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:21:32,226 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:21:32,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1628754823] [2024-11-08 19:21:32,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1628754823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:21:32,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:21:32,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:21:32,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648493466] [2024-11-08 19:21:32,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:21:32,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:21:32,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:21:32,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:21:32,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:21:32,229 INFO L87 Difference]: Start difference. First operand 632 states and 788 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:21:32,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:21:32,342 INFO L93 Difference]: Finished difference Result 1207 states and 1503 transitions. [2024-11-08 19:21:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:21:32,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 102 [2024-11-08 19:21:32,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:21:32,346 INFO L225 Difference]: With dead ends: 1207 [2024-11-08 19:21:32,346 INFO L226 Difference]: Without dead ends: 578 [2024-11-08 19:21:32,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:21:32,348 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:21:32,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 211 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:21:32,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-08 19:21:32,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2024-11-08 19:21:32,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 507 states have (on average 1.1952662721893492) internal successors, (606), 514 states have internal predecessors, (606), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 47 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-08 19:21:32,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 714 transitions. [2024-11-08 19:21:32,426 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 714 transitions. Word has length 102 [2024-11-08 19:21:32,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:21:32,426 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 714 transitions. [2024-11-08 19:21:32,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:21:32,427 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 714 transitions. [2024-11-08 19:21:32,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 19:21:32,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:21:32,429 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:21:32,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-08 19:21:32,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:21:32,633 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:21:32,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:21:32,634 INFO L85 PathProgramCache]: Analyzing trace with hash -388690334, now seen corresponding path program 1 times [2024-11-08 19:21:32,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:21:32,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [975315715] [2024-11-08 19:21:32,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:32,635 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 [2024-11-08 19:21:32,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:21:32,638 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:21:32,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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 [2024-11-08 19:21:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:33,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 19:21:33,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:21:33,526 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 25 treesize of output 10 [2024-11-08 19:21:38,602 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:21:38,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 81 [2024-11-08 19:21:38,899 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:21:38,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 168 treesize of output 107 [2024-11-08 19:21:39,247 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:21:39,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 243 treesize of output 153 [2024-11-08 19:21:39,893 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:21:39,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 273 treesize of output 173 [2024-11-08 19:21:43,024 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:21:43,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 443 treesize of output 177 [2024-11-08 19:21:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 19:21:43,517 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:21:45,018 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:21:45,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [975315715] [2024-11-08 19:21:45,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [975315715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:21:45,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332295632] [2024-11-08 19:21:45,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:45,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:21:45,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:21:45,020 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:21:45,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-08 19:22:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:11,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 19:22:11,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:23:28,019 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:23:28,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 77 [2024-11-08 19:23:40,407 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:23:40,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 158 treesize of output 103 [2024-11-08 19:23:56,944 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:23:56,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 231 treesize of output 147 [2024-11-08 19:23:57,450 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:23:57,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 273 treesize of output 173 [2024-11-08 19:24:00,383 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:24:00,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 443 treesize of output 177 [2024-11-08 19:24:00,454 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-08 19:24:00,454 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:24:00,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332295632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:24:00,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:24:00,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22] total 32 [2024-11-08 19:24:00,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56494798] [2024-11-08 19:24:00,982 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:24:00,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-08 19:24:00,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:24:00,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-08 19:24:00,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1276, Unknown=26, NotChecked=0, Total=1482 [2024-11-08 19:24:00,984 INFO L87 Difference]: Start difference. First operand 578 states and 714 transitions. Second operand has 33 states, 31 states have (on average 2.3225806451612905) internal successors, (72), 30 states have internal predecessors, (72), 3 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 19:25:10,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:25:10,063 INFO L93 Difference]: Finished difference Result 1035 states and 1257 transitions. [2024-11-08 19:25:10,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-08 19:25:10,066 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 2.3225806451612905) internal successors, (72), 30 states have internal predecessors, (72), 3 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 102 [2024-11-08 19:25:10,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:25:10,071 INFO L225 Difference]: With dead ends: 1035 [2024-11-08 19:25:10,071 INFO L226 Difference]: Without dead ends: 1033 [2024-11-08 19:25:10,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 218 SyntacticMatches, 3 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1738 ImplicationChecksByTransitivity, 157.2s TimeCoverageRelationStatistics Valid=1144, Invalid=6306, Unknown=32, NotChecked=0, Total=7482 [2024-11-08 19:25:10,075 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 767 mSDsluCounter, 1339 mSDsCounter, 0 mSdLazyCounter, 3555 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 3827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 3555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:25:10,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [778 Valid, 1414 Invalid, 3827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 3555 Invalid, 0 Unknown, 0 Unchecked, 25.4s Time] [2024-11-08 19:25:10,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-08 19:25:10,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 893. [2024-11-08 19:25:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 893 states, 786 states have (on average 1.193384223918575) internal successors, (938), 797 states have internal predecessors, (938), 81 states have call successors, (81), 25 states have call predecessors, (81), 25 states have return successors, (81), 70 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-08 19:25:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1100 transitions. [2024-11-08 19:25:10,224 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1100 transitions. Word has length 102 [2024-11-08 19:25:10,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:25:10,225 INFO L471 AbstractCegarLoop]: Abstraction has 893 states and 1100 transitions. [2024-11-08 19:25:10,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 2.3225806451612905) internal successors, (72), 30 states have internal predecessors, (72), 3 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-08 19:25:10,225 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1100 transitions. [2024-11-08 19:25:10,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 19:25:10,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:25:10,227 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:25:10,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-08 19:25:10,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-08 19:25:10,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:25:10,628 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:25:10,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:10,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1662293664, now seen corresponding path program 1 times [2024-11-08 19:25:10,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:25:10,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1234122075] [2024-11-08 19:25:10,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:25:10,630 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 [2024-11-08 19:25:10,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:25:10,631 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:25:10,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-08 19:25:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:10,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:25:10,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:25:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-08 19:25:11,075 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:25:11,075 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:25:11,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1234122075] [2024-11-08 19:25:11,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1234122075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:25:11,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:25:11,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:25:11,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786917545] [2024-11-08 19:25:11,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:25:11,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:25:11,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:25:11,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:25:11,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:25:11,078 INFO L87 Difference]: Start difference. First operand 893 states and 1100 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:25:11,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:25:11,507 INFO L93 Difference]: Finished difference Result 1557 states and 1909 transitions. [2024-11-08 19:25:11,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:25:11,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 102 [2024-11-08 19:25:11,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:25:11,511 INFO L225 Difference]: With dead ends: 1557 [2024-11-08 19:25:11,511 INFO L226 Difference]: Without dead ends: 661 [2024-11-08 19:25:11,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:25:11,514 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:25:11,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 446 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:25:11,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-08 19:25:11,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 637. [2024-11-08 19:25:11,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 565 states have (on average 1.191150442477876) internal successors, (673), 572 states have internal predecessors, (673), 54 states have call successors, (54), 17 states have call predecessors, (54), 17 states have return successors, (54), 47 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-08 19:25:11,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 781 transitions. [2024-11-08 19:25:11,611 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 781 transitions. Word has length 102 [2024-11-08 19:25:11,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:25:11,612 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 781 transitions. [2024-11-08 19:25:11,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 19:25:11,612 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 781 transitions. [2024-11-08 19:25:11,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 19:25:11,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:25:11,615 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:25:11,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-11-08 19:25:11,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:25:11,815 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:25:11,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:11,816 INFO L85 PathProgramCache]: Analyzing trace with hash 915506730, now seen corresponding path program 1 times [2024-11-08 19:25:11,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:25:11,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1851859403] [2024-11-08 19:25:11,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:25:11,817 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 [2024-11-08 19:25:11,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:25:11,818 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:25:11,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-08 19:25:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:12,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:25:12,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:25:12,299 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 19:25:12,300 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:25:12,300 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:25:12,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1851859403] [2024-11-08 19:25:12,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1851859403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:25:12,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:25:12,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:25:12,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111377900] [2024-11-08 19:25:12,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:25:12,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:25:12,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:25:12,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:25:12,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:25:12,302 INFO L87 Difference]: Start difference. First operand 637 states and 781 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:25:13,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:25:13,142 INFO L93 Difference]: Finished difference Result 1407 states and 1720 transitions. [2024-11-08 19:25:13,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:25:13,145 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-08 19:25:13,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:25:13,147 INFO L225 Difference]: With dead ends: 1407 [2024-11-08 19:25:13,147 INFO L226 Difference]: Without dead ends: 773 [2024-11-08 19:25:13,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:25:13,148 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 20 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:25:13,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 300 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 19:25:13,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2024-11-08 19:25:13,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 719. [2024-11-08 19:25:13,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 647 states have (on average 1.1823802163833075) internal successors, (765), 654 states have internal predecessors, (765), 54 states have call successors, (54), 17 states have call predecessors, (54), 17 states have return successors, (54), 47 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-08 19:25:13,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 873 transitions. [2024-11-08 19:25:13,246 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 873 transitions. Word has length 103 [2024-11-08 19:25:13,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:25:13,247 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 873 transitions. [2024-11-08 19:25:13,247 INFO L472 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 19:25:13,247 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 873 transitions. [2024-11-08 19:25:13,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 19:25:13,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:25:13,249 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:25:13,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2024-11-08 19:25:13,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:25:13,453 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:25:13,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:13,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1724853356, now seen corresponding path program 1 times [2024-11-08 19:25:13,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:25:13,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524562933] [2024-11-08 19:25:13,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:25:13,454 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 [2024-11-08 19:25:13,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:25:13,459 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -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) [2024-11-08 19:25:13,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-08 19:25:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:13,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-08 19:25:13,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:25:13,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-08 19:25:14,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 16 [2024-11-08 19:25:14,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 16 [2024-11-08 19:25:14,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 16 [2024-11-08 19:25:15,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2024-11-08 19:25:19,520 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:25:19,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 49 [2024-11-08 19:25:19,716 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:25:19,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 76 treesize of output 66 [2024-11-08 19:25:20,217 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:25:20,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 115 treesize of output 100 [2024-11-08 19:25:20,643 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:25:20,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 120 [2024-11-08 19:25:24,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:25:24,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 174 treesize of output 68 [2024-11-08 19:25:25,139 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 112 proven. 42 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 19:25:25,139 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:25:28,353 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:25:28,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [524562933] [2024-11-08 19:25:28,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [524562933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:25:28,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575328786] [2024-11-08 19:25:28,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:25:28,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:25:28,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:25:28,355 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:25:28,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99527b5-fdba-407f-890e-3433b077ca81/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-08 19:25:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:28,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 19:25:28,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:25:28,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 19:25:28,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 19:25:28,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2024-11-08 19:25:29,504 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:25:29,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 36 [2024-11-08 19:25:34,125 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:25:34,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2024-11-08 19:25:34,581 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:25:34,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 67 [2024-11-08 19:25:35,609 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:25:35,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 124 treesize of output 79 [2024-11-08 19:25:36,215 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:25:36,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 128 treesize of output 97 [2024-11-08 19:25:39,775 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:25:39,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 90 [2024-11-08 19:25:40,122 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 146 proven. 24 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-08 19:25:40,122 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:25:41,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575328786] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:25:41,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:25:41,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 14] total 30 [2024-11-08 19:25:41,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833552974] [2024-11-08 19:25:41,891 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:25:41,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-08 19:25:41,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:25:41,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-08 19:25:41,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=442, Invalid=1812, Unknown=2, NotChecked=0, Total=2256 [2024-11-08 19:25:41,893 INFO L87 Difference]: Start difference. First operand 719 states and 873 transitions. Second operand has 30 states, 28 states have (on average 3.75) internal successors, (105), 30 states have internal predecessors, (105), 8 states have call successors, (19), 6 states have call predecessors, (19), 8 states have return successors, (19), 6 states have call predecessors, (19), 8 states have call successors, (19) [2024-11-08 19:25:48,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:25:56,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:26:00,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:26:08,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:26:16,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:26:20,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:26:24,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:26:28,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:26:32,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:26:36,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:26:44,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:26:48,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:26:52,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:26:57,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:27:01,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:27:05,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:27:09,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:27:13,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:27:17,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:27:21,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:27:37,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:27:41,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:28:01,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:28:05,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:28:34,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:28:38,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:28:42,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:28:46,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:28:50,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:28:54,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:28:58,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:29:02,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:29:06,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 19:29:10,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]