/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 13:56:51,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 13:56:51,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 13:56:51,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 13:56:51,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 13:56:51,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 13:56:51,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 13:56:51,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 13:56:51,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 13:56:51,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 13:56:51,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 13:56:51,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 13:56:51,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 13:56:51,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 13:56:51,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 13:56:51,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 13:56:51,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 13:56:51,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 13:56:51,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 13:56:51,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 13:56:51,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 13:56:51,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 13:56:51,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 13:56:51,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 13:56:51,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 13:56:51,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 13:56:51,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 13:56:51,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 13:56:51,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 13:56:51,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 13:56:51,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 13:56:51,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 13:56:51,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 13:56:51,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 13:56:51,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 13:56:51,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 13:56:51,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 13:56:51,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 13:56:51,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 13:56:51,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 13:56:51,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 13:56:51,882 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 13:56:51,945 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 13:56:51,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 13:56:51,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 13:56:51,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 13:56:51,948 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 13:56:51,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 13:56:51,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 13:56:51,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 13:56:51,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 13:56:51,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 13:56:51,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 13:56:51,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 13:56:51,953 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 13:56:51,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 13:56:51,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 13:56:51,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 13:56:51,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 13:56:51,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 13:56:51,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 13:56:51,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 13:56:51,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 13:56:51,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 13:56:51,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 13:56:51,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 13:56:51,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 13:56:51,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 13:56:52,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 13:56:52,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 13:56:52,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 13:56:52,434 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 13:56:52,435 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 13:56:52,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2020-12-22 13:56:52,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b163b8fc9/7dc84731a42f4eb38070c05ee76f85e1/FLAGcfe4fe7df [2020-12-22 13:56:53,476 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 13:56:53,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2020-12-22 13:56:53,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b163b8fc9/7dc84731a42f4eb38070c05ee76f85e1/FLAGcfe4fe7df [2020-12-22 13:56:54,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b163b8fc9/7dc84731a42f4eb38070c05ee76f85e1 [2020-12-22 13:56:54,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 13:56:54,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 13:56:54,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 13:56:54,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 13:56:54,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 13:56:54,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:56:54" (1/1) ... [2020-12-22 13:56:54,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72bcf448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:56:54, skipping insertion in model container [2020-12-22 13:56:54,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:56:54" (1/1) ... [2020-12-22 13:56:54,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 13:56:54,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 13:56:55,276 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i[133750,133763] [2020-12-22 13:56:55,305 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2020-12-22 13:56:55,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 13:56:55,376 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 13:56:55,684 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i[133750,133763] [2020-12-22 13:56:55,708 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2020-12-22 13:56:55,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 13:56:56,106 INFO L208 MainTranslator]: Completed translation [2020-12-22 13:56:56,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:56:56 WrapperNode [2020-12-22 13:56:56,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 13:56:56,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 13:56:56,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 13:56:56,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 13:56:56,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:56:56" (1/1) ... [2020-12-22 13:56:56,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:56:56" (1/1) ... [2020-12-22 13:56:56,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 13:56:56,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 13:56:56,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 13:56:56,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 13:56:56,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:56:56" (1/1) ... [2020-12-22 13:56:56,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:56:56" (1/1) ... [2020-12-22 13:56:56,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:56:56" (1/1) ... [2020-12-22 13:56:56,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:56:56" (1/1) ... [2020-12-22 13:56:56,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:56:56" (1/1) ... [2020-12-22 13:56:56,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:56:56" (1/1) ... [2020-12-22 13:56:56,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:56:56" (1/1) ... [2020-12-22 13:56:56,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 13:56:56,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 13:56:56,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 13:56:56,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 13:56:56,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:56:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 13:56:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-12-22 13:56:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_add_port [2020-12-22 13:56:57,068 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_add_port [2020-12-22 13:56:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 13:56:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2020-12-22 13:56:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2020-12-22 13:56:57,069 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2020-12-22 13:56:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure old_gameport_measure_speed [2020-12-22 13:56:57,070 INFO L138 BoogieDeclarations]: Found implementation of procedure old_gameport_measure_speed [2020-12-22 13:56:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 13:56:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_remove [2020-12-22 13:56:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_remove [2020-12-22 13:56:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 13:56:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 13:56:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 13:56:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 13:56:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 13:56:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 13:56:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-12-22 13:56:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-12-22 13:56:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 13:56:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2020-12-22 13:56:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 13:56:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 13:56:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_measure_speed [2020-12-22 13:56:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_measure_speed [2020-12-22 13:56:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2020-12-22 13:56:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2020-12-22 13:56:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 13:56:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 13:56:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 13:56:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_handle_events [2020-12-22 13:56:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_handle_events [2020-12-22 13:57:02,499 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 13:57:02,500 INFO L299 CfgBuilder]: Removed 1134 assume(true) statements. [2020-12-22 13:57:02,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:57:02 BoogieIcfgContainer [2020-12-22 13:57:02,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 13:57:02,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 13:57:02,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 13:57:02,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 13:57:02,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:56:54" (1/3) ... [2020-12-22 13:57:02,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779b54a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:57:02, skipping insertion in model container [2020-12-22 13:57:02,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:56:56" (2/3) ... [2020-12-22 13:57:02,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779b54a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:57:02, skipping insertion in model container [2020-12-22 13:57:02,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:57:02" (3/3) ... [2020-12-22 13:57:02,514 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2020-12-22 13:57:02,521 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 13:57:02,527 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 21 error locations. [2020-12-22 13:57:02,548 INFO L253 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2020-12-22 13:57:02,583 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 13:57:02,583 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 13:57:02,583 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 13:57:02,583 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 13:57:02,583 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 13:57:02,584 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 13:57:02,584 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 13:57:02,584 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 13:57:02,625 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states. [2020-12-22 13:57:02,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-22 13:57:02,639 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:57:02,641 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:57:02,641 INFO L429 AbstractCegarLoop]: === Iteration 1 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:57:02,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:57:02,648 INFO L82 PathProgramCache]: Analyzing trace with hash 602393225, now seen corresponding path program 1 times [2020-12-22 13:57:02,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:57:02,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991948510] [2020-12-22 13:57:02,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:57:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:03,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:57:03,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991948510] [2020-12-22 13:57:03,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:57:03,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 13:57:03,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199125288] [2020-12-22 13:57:03,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 13:57:03,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:57:03,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 13:57:03,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 13:57:03,339 INFO L87 Difference]: Start difference. First operand 988 states. Second operand 2 states. [2020-12-22 13:57:03,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:57:03,504 INFO L93 Difference]: Finished difference Result 1972 states and 2677 transitions. [2020-12-22 13:57:03,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 13:57:03,505 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 64 [2020-12-22 13:57:03,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:57:03,530 INFO L225 Difference]: With dead ends: 1972 [2020-12-22 13:57:03,530 INFO L226 Difference]: Without dead ends: 964 [2020-12-22 13:57:03,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 13:57:03,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2020-12-22 13:57:03,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2020-12-22 13:57:03,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 964 states. [2020-12-22 13:57:03,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1253 transitions. [2020-12-22 13:57:03,698 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1253 transitions. Word has length 64 [2020-12-22 13:57:03,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:57:03,699 INFO L481 AbstractCegarLoop]: Abstraction has 964 states and 1253 transitions. [2020-12-22 13:57:03,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 13:57:03,699 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1253 transitions. [2020-12-22 13:57:03,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-22 13:57:03,714 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:57:03,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:57:03,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 13:57:03,716 INFO L429 AbstractCegarLoop]: === Iteration 2 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:57:03,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:57:03,719 INFO L82 PathProgramCache]: Analyzing trace with hash 2128412571, now seen corresponding path program 1 times [2020-12-22 13:57:03,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:57:03,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926836535] [2020-12-22 13:57:03,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:57:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:04,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:57:04,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926836535] [2020-12-22 13:57:04,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:57:04,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 13:57:04,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226779720] [2020-12-22 13:57:04,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 13:57:04,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:57:04,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 13:57:04,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:57:04,056 INFO L87 Difference]: Start difference. First operand 964 states and 1253 transitions. Second operand 5 states. [2020-12-22 13:57:05,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:57:05,739 INFO L93 Difference]: Finished difference Result 4603 states and 6143 transitions. [2020-12-22 13:57:05,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 13:57:05,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-12-22 13:57:05,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:57:05,775 INFO L225 Difference]: With dead ends: 4603 [2020-12-22 13:57:05,775 INFO L226 Difference]: Without dead ends: 3686 [2020-12-22 13:57:05,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:57:05,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3686 states. [2020-12-22 13:57:05,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3686 to 3520. [2020-12-22 13:57:05,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3520 states. [2020-12-22 13:57:06,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3520 states to 3520 states and 4816 transitions. [2020-12-22 13:57:06,012 INFO L78 Accepts]: Start accepts. Automaton has 3520 states and 4816 transitions. Word has length 64 [2020-12-22 13:57:06,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:57:06,013 INFO L481 AbstractCegarLoop]: Abstraction has 3520 states and 4816 transitions. [2020-12-22 13:57:06,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 13:57:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 3520 states and 4816 transitions. [2020-12-22 13:57:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-22 13:57:06,024 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:57:06,024 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:57:06,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 13:57:06,029 INFO L429 AbstractCegarLoop]: === Iteration 3 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:57:06,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:57:06,030 INFO L82 PathProgramCache]: Analyzing trace with hash 287192160, now seen corresponding path program 1 times [2020-12-22 13:57:06,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:57:06,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781384938] [2020-12-22 13:57:06,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:57:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:06,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:57:06,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781384938] [2020-12-22 13:57:06,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:57:06,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:57:06,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536924756] [2020-12-22 13:57:06,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:57:06,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:57:06,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:57:06,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:06,364 INFO L87 Difference]: Start difference. First operand 3520 states and 4816 transitions. Second operand 3 states. [2020-12-22 13:57:06,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:57:06,719 INFO L93 Difference]: Finished difference Result 10350 states and 14183 transitions. [2020-12-22 13:57:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:57:06,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-12-22 13:57:06,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:57:06,775 INFO L225 Difference]: With dead ends: 10350 [2020-12-22 13:57:06,775 INFO L226 Difference]: Without dead ends: 6877 [2020-12-22 13:57:06,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:06,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6877 states. [2020-12-22 13:57:07,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6877 to 6825. [2020-12-22 13:57:07,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6825 states. [2020-12-22 13:57:07,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6825 states to 6825 states and 9376 transitions. [2020-12-22 13:57:07,287 INFO L78 Accepts]: Start accepts. Automaton has 6825 states and 9376 transitions. Word has length 67 [2020-12-22 13:57:07,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:57:07,290 INFO L481 AbstractCegarLoop]: Abstraction has 6825 states and 9376 transitions. [2020-12-22 13:57:07,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:57:07,290 INFO L276 IsEmpty]: Start isEmpty. Operand 6825 states and 9376 transitions. [2020-12-22 13:57:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-22 13:57:07,293 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:57:07,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:57:07,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 13:57:07,294 INFO L429 AbstractCegarLoop]: === Iteration 4 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:57:07,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:57:07,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1762073860, now seen corresponding path program 1 times [2020-12-22 13:57:07,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:57:07,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746716458] [2020-12-22 13:57:07,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:57:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:07,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:57:07,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746716458] [2020-12-22 13:57:07,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:57:07,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 13:57:07,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441238172] [2020-12-22 13:57:07,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:57:07,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:57:07,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:57:07,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:07,616 INFO L87 Difference]: Start difference. First operand 6825 states and 9376 transitions. Second operand 3 states. [2020-12-22 13:57:08,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:57:08,035 INFO L93 Difference]: Finished difference Result 13441 states and 18920 transitions. [2020-12-22 13:57:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:57:08,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-22 13:57:08,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:57:08,088 INFO L225 Difference]: With dead ends: 13441 [2020-12-22 13:57:08,089 INFO L226 Difference]: Without dead ends: 6653 [2020-12-22 13:57:08,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:08,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6653 states. [2020-12-22 13:57:08,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6653 to 6513. [2020-12-22 13:57:08,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6513 states. [2020-12-22 13:57:08,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6513 states to 6513 states and 8885 transitions. [2020-12-22 13:57:08,617 INFO L78 Accepts]: Start accepts. Automaton has 6513 states and 8885 transitions. Word has length 66 [2020-12-22 13:57:08,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:57:08,620 INFO L481 AbstractCegarLoop]: Abstraction has 6513 states and 8885 transitions. [2020-12-22 13:57:08,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:57:08,620 INFO L276 IsEmpty]: Start isEmpty. Operand 6513 states and 8885 transitions. [2020-12-22 13:57:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-22 13:57:08,622 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:57:08,622 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:57:08,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 13:57:08,623 INFO L429 AbstractCegarLoop]: === Iteration 5 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:57:08,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:57:08,624 INFO L82 PathProgramCache]: Analyzing trace with hash -501413641, now seen corresponding path program 1 times [2020-12-22 13:57:08,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:57:08,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703184081] [2020-12-22 13:57:08,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:57:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:08,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:57:08,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703184081] [2020-12-22 13:57:08,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:57:08,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:57:08,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134060519] [2020-12-22 13:57:08,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:57:08,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:57:08,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:57:08,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:08,839 INFO L87 Difference]: Start difference. First operand 6513 states and 8885 transitions. Second operand 3 states. [2020-12-22 13:57:09,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:57:09,446 INFO L93 Difference]: Finished difference Result 19377 states and 26457 transitions. [2020-12-22 13:57:09,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:57:09,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-22 13:57:09,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:57:09,561 INFO L225 Difference]: With dead ends: 19377 [2020-12-22 13:57:09,561 INFO L226 Difference]: Without dead ends: 12911 [2020-12-22 13:57:09,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:09,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12911 states. [2020-12-22 13:57:10,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12911 to 12851. [2020-12-22 13:57:10,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12851 states. [2020-12-22 13:57:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12851 states to 12851 states and 17572 transitions. [2020-12-22 13:57:10,340 INFO L78 Accepts]: Start accepts. Automaton has 12851 states and 17572 transitions. Word has length 77 [2020-12-22 13:57:10,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:57:10,340 INFO L481 AbstractCegarLoop]: Abstraction has 12851 states and 17572 transitions. [2020-12-22 13:57:10,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:57:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 12851 states and 17572 transitions. [2020-12-22 13:57:10,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-22 13:57:10,342 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:57:10,343 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:57:10,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 13:57:10,343 INFO L429 AbstractCegarLoop]: === Iteration 6 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:57:10,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:57:10,344 INFO L82 PathProgramCache]: Analyzing trace with hash -65074104, now seen corresponding path program 1 times [2020-12-22 13:57:10,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:57:10,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713488311] [2020-12-22 13:57:10,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:57:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:10,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:57:10,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713488311] [2020-12-22 13:57:10,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:57:10,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 13:57:10,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722920242] [2020-12-22 13:57:10,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 13:57:10,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:57:10,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 13:57:10,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:57:10,684 INFO L87 Difference]: Start difference. First operand 12851 states and 17572 transitions. Second operand 5 states. [2020-12-22 13:57:11,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:57:11,544 INFO L93 Difference]: Finished difference Result 25767 states and 36032 transitions. [2020-12-22 13:57:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 13:57:11,545 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2020-12-22 13:57:11,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:57:11,600 INFO L225 Difference]: With dead ends: 25767 [2020-12-22 13:57:11,600 INFO L226 Difference]: Without dead ends: 12963 [2020-12-22 13:57:11,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 13:57:11,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12963 states. [2020-12-22 13:57:12,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12963 to 12939. [2020-12-22 13:57:12,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12939 states. [2020-12-22 13:57:12,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12939 states to 12939 states and 17696 transitions. [2020-12-22 13:57:12,197 INFO L78 Accepts]: Start accepts. Automaton has 12939 states and 17696 transitions. Word has length 79 [2020-12-22 13:57:12,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:57:12,199 INFO L481 AbstractCegarLoop]: Abstraction has 12939 states and 17696 transitions. [2020-12-22 13:57:12,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 13:57:12,199 INFO L276 IsEmpty]: Start isEmpty. Operand 12939 states and 17696 transitions. [2020-12-22 13:57:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-22 13:57:12,208 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:57:12,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:57:12,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 13:57:12,208 INFO L429 AbstractCegarLoop]: === Iteration 7 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:57:12,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:57:12,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1277447421, now seen corresponding path program 1 times [2020-12-22 13:57:12,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:57:12,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896583410] [2020-12-22 13:57:12,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:57:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:57:12,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896583410] [2020-12-22 13:57:12,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:57:12,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:57:12,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274601634] [2020-12-22 13:57:12,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:57:12,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:57:12,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:57:12,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:12,603 INFO L87 Difference]: Start difference. First operand 12939 states and 17696 transitions. Second operand 3 states. [2020-12-22 13:57:13,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:57:13,583 INFO L93 Difference]: Finished difference Result 33889 states and 46576 transitions. [2020-12-22 13:57:13,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:57:13,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-12-22 13:57:13,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:57:13,679 INFO L225 Difference]: With dead ends: 33889 [2020-12-22 13:57:13,679 INFO L226 Difference]: Without dead ends: 20997 [2020-12-22 13:57:13,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:13,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20997 states. [2020-12-22 13:57:14,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20997 to 20967. [2020-12-22 13:57:14,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20967 states. [2020-12-22 13:57:14,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20967 states to 20967 states and 28892 transitions. [2020-12-22 13:57:14,811 INFO L78 Accepts]: Start accepts. Automaton has 20967 states and 28892 transitions. Word has length 81 [2020-12-22 13:57:14,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:57:14,812 INFO L481 AbstractCegarLoop]: Abstraction has 20967 states and 28892 transitions. [2020-12-22 13:57:14,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:57:14,812 INFO L276 IsEmpty]: Start isEmpty. Operand 20967 states and 28892 transitions. [2020-12-22 13:57:14,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-22 13:57:14,814 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:57:14,814 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:57:14,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 13:57:14,815 INFO L429 AbstractCegarLoop]: === Iteration 8 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:57:14,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:57:14,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1288210151, now seen corresponding path program 1 times [2020-12-22 13:57:14,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:57:14,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051526384] [2020-12-22 13:57:14,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:57:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:15,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:57:15,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051526384] [2020-12-22 13:57:15,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:57:15,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:57:15,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510058481] [2020-12-22 13:57:15,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:57:15,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:57:15,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:57:15,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:15,212 INFO L87 Difference]: Start difference. First operand 20967 states and 28892 transitions. Second operand 3 states. [2020-12-22 13:57:16,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:57:16,470 INFO L93 Difference]: Finished difference Result 41823 states and 57584 transitions. [2020-12-22 13:57:16,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:57:16,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-12-22 13:57:16,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:57:16,561 INFO L225 Difference]: With dead ends: 41823 [2020-12-22 13:57:16,561 INFO L226 Difference]: Without dead ends: 20903 [2020-12-22 13:57:16,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:16,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20903 states. [2020-12-22 13:57:17,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20903 to 20903. [2020-12-22 13:57:17,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20903 states. [2020-12-22 13:57:17,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20903 states to 20903 states and 28708 transitions. [2020-12-22 13:57:17,623 INFO L78 Accepts]: Start accepts. Automaton has 20903 states and 28708 transitions. Word has length 80 [2020-12-22 13:57:17,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:57:17,624 INFO L481 AbstractCegarLoop]: Abstraction has 20903 states and 28708 transitions. [2020-12-22 13:57:17,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:57:17,624 INFO L276 IsEmpty]: Start isEmpty. Operand 20903 states and 28708 transitions. [2020-12-22 13:57:17,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-22 13:57:17,626 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:57:17,626 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:57:17,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 13:57:17,627 INFO L429 AbstractCegarLoop]: === Iteration 9 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:57:17,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:57:17,628 INFO L82 PathProgramCache]: Analyzing trace with hash -481103708, now seen corresponding path program 1 times [2020-12-22 13:57:17,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:57:17,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50007461] [2020-12-22 13:57:17,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:57:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:57:17,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50007461] [2020-12-22 13:57:17,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:57:17,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:57:17,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227287617] [2020-12-22 13:57:17,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:57:17,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:57:17,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:57:17,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:17,920 INFO L87 Difference]: Start difference. First operand 20903 states and 28708 transitions. Second operand 3 states. [2020-12-22 13:57:19,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:57:19,215 INFO L93 Difference]: Finished difference Result 41695 states and 57216 transitions. [2020-12-22 13:57:19,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:57:19,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-12-22 13:57:19,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:57:19,321 INFO L225 Difference]: With dead ends: 41695 [2020-12-22 13:57:19,322 INFO L226 Difference]: Without dead ends: 20839 [2020-12-22 13:57:19,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:19,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20839 states. [2020-12-22 13:57:20,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20839 to 20839. [2020-12-22 13:57:20,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20839 states. [2020-12-22 13:57:20,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20839 states to 20839 states and 28524 transitions. [2020-12-22 13:57:20,362 INFO L78 Accepts]: Start accepts. Automaton has 20839 states and 28524 transitions. Word has length 81 [2020-12-22 13:57:20,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:57:20,363 INFO L481 AbstractCegarLoop]: Abstraction has 20839 states and 28524 transitions. [2020-12-22 13:57:20,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:57:20,363 INFO L276 IsEmpty]: Start isEmpty. Operand 20839 states and 28524 transitions. [2020-12-22 13:57:20,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 13:57:20,364 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:57:20,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:57:20,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 13:57:20,365 INFO L429 AbstractCegarLoop]: === Iteration 10 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:57:20,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:57:20,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1003738288, now seen corresponding path program 1 times [2020-12-22 13:57:20,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:57:20,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567648485] [2020-12-22 13:57:20,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:57:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:20,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:57:20,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567648485] [2020-12-22 13:57:20,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:57:20,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:57:20,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774722883] [2020-12-22 13:57:20,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:57:20,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:57:20,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:57:20,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:20,610 INFO L87 Difference]: Start difference. First operand 20839 states and 28524 transitions. Second operand 3 states. [2020-12-22 13:57:21,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:57:21,438 INFO L93 Difference]: Finished difference Result 41567 states and 56848 transitions. [2020-12-22 13:57:21,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:57:21,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-12-22 13:57:21,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:57:21,535 INFO L225 Difference]: With dead ends: 41567 [2020-12-22 13:57:21,535 INFO L226 Difference]: Without dead ends: 20775 [2020-12-22 13:57:21,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:21,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20775 states. [2020-12-22 13:57:22,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20775 to 20775. [2020-12-22 13:57:22,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20775 states. [2020-12-22 13:57:22,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20775 states to 20775 states and 28340 transitions. [2020-12-22 13:57:22,993 INFO L78 Accepts]: Start accepts. Automaton has 20775 states and 28340 transitions. Word has length 82 [2020-12-22 13:57:22,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:57:22,994 INFO L481 AbstractCegarLoop]: Abstraction has 20775 states and 28340 transitions. [2020-12-22 13:57:22,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:57:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 20775 states and 28340 transitions. [2020-12-22 13:57:22,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-22 13:57:22,995 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:57:22,996 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:57:22,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 13:57:22,996 INFO L429 AbstractCegarLoop]: === Iteration 11 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:57:22,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:57:22,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1534020883, now seen corresponding path program 1 times [2020-12-22 13:57:22,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:57:22,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855011975] [2020-12-22 13:57:22,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:57:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:23,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:57:23,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855011975] [2020-12-22 13:57:23,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:57:23,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:57:23,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146945150] [2020-12-22 13:57:23,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:57:23,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:57:23,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:57:23,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:23,220 INFO L87 Difference]: Start difference. First operand 20775 states and 28340 transitions. Second operand 3 states. [2020-12-22 13:57:24,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:57:24,598 INFO L93 Difference]: Finished difference Result 40597 states and 55341 transitions. [2020-12-22 13:57:24,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:57:24,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-12-22 13:57:24,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:57:24,706 INFO L225 Difference]: With dead ends: 40597 [2020-12-22 13:57:24,707 INFO L226 Difference]: Without dead ends: 19869 [2020-12-22 13:57:24,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:24,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19869 states. [2020-12-22 13:57:25,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19869 to 19442. [2020-12-22 13:57:25,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19442 states. [2020-12-22 13:57:25,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19442 states to 19442 states and 26435 transitions. [2020-12-22 13:57:25,844 INFO L78 Accepts]: Start accepts. Automaton has 19442 states and 26435 transitions. Word has length 83 [2020-12-22 13:57:25,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:57:25,845 INFO L481 AbstractCegarLoop]: Abstraction has 19442 states and 26435 transitions. [2020-12-22 13:57:25,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:57:25,845 INFO L276 IsEmpty]: Start isEmpty. Operand 19442 states and 26435 transitions. [2020-12-22 13:57:25,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-22 13:57:25,847 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:57:25,848 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:57:25,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 13:57:25,848 INFO L429 AbstractCegarLoop]: === Iteration 12 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:57:25,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:57:25,849 INFO L82 PathProgramCache]: Analyzing trace with hash 60476818, now seen corresponding path program 1 times [2020-12-22 13:57:25,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:57:25,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29278970] [2020-12-22 13:57:25,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:57:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:26,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:57:26,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29278970] [2020-12-22 13:57:26,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:57:26,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:57:26,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135023806] [2020-12-22 13:57:26,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:57:26,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:57:26,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:57:26,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:26,047 INFO L87 Difference]: Start difference. First operand 19442 states and 26435 transitions. Second operand 3 states. [2020-12-22 13:57:28,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:57:28,047 INFO L93 Difference]: Finished difference Result 48299 states and 65713 transitions. [2020-12-22 13:57:28,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:57:28,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-12-22 13:57:28,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:57:28,173 INFO L225 Difference]: With dead ends: 48299 [2020-12-22 13:57:28,174 INFO L226 Difference]: Without dead ends: 28904 [2020-12-22 13:57:28,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:28,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28904 states. [2020-12-22 13:57:29,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28904 to 28417. [2020-12-22 13:57:29,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28417 states. [2020-12-22 13:57:29,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28417 states to 28417 states and 38624 transitions. [2020-12-22 13:57:29,767 INFO L78 Accepts]: Start accepts. Automaton has 28417 states and 38624 transitions. Word has length 89 [2020-12-22 13:57:29,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:57:29,767 INFO L481 AbstractCegarLoop]: Abstraction has 28417 states and 38624 transitions. [2020-12-22 13:57:29,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:57:29,768 INFO L276 IsEmpty]: Start isEmpty. Operand 28417 states and 38624 transitions. [2020-12-22 13:57:29,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-22 13:57:29,771 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:57:29,771 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:57:29,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 13:57:29,772 INFO L429 AbstractCegarLoop]: === Iteration 13 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:57:29,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:57:29,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1156172890, now seen corresponding path program 1 times [2020-12-22 13:57:29,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:57:29,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577753618] [2020-12-22 13:57:29,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:57:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:30,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 13:57:30,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577753618] [2020-12-22 13:57:30,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:57:30,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:57:30,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609223904] [2020-12-22 13:57:30,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:57:30,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:57:30,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:57:30,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:30,131 INFO L87 Difference]: Start difference. First operand 28417 states and 38624 transitions. Second operand 3 states. [2020-12-22 13:57:31,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:57:31,296 INFO L93 Difference]: Finished difference Result 56791 states and 77205 transitions. [2020-12-22 13:57:31,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:57:31,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-12-22 13:57:31,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:57:31,385 INFO L225 Difference]: With dead ends: 56791 [2020-12-22 13:57:31,385 INFO L226 Difference]: Without dead ends: 28418 [2020-12-22 13:57:31,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:57:31,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28418 states. [2020-12-22 13:57:32,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28418 to 28418. [2020-12-22 13:57:32,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28418 states. [2020-12-22 13:57:32,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28418 states to 28418 states and 38625 transitions. [2020-12-22 13:57:32,660 INFO L78 Accepts]: Start accepts. Automaton has 28418 states and 38625 transitions. Word has length 100 [2020-12-22 13:57:32,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:57:32,661 INFO L481 AbstractCegarLoop]: Abstraction has 28418 states and 38625 transitions. [2020-12-22 13:57:32,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:57:32,661 INFO L276 IsEmpty]: Start isEmpty. Operand 28418 states and 38625 transitions. [2020-12-22 13:57:32,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-22 13:57:32,664 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:57:32,664 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:57:32,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 13:57:32,664 INFO L429 AbstractCegarLoop]: === Iteration 14 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:57:32,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:57:32,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1589848335, now seen corresponding path program 1 times [2020-12-22 13:57:32,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:57:32,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307040022] [2020-12-22 13:57:32,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:57:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:33,350 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 13:57:33,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307040022] [2020-12-22 13:57:33,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657225629] [2020-12-22 13:57:33,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 13:57:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:34,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 2288 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-22 13:57:34,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 13:57:34,499 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 13:57:34,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 13:57:34,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2020-12-22 13:57:34,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638148649] [2020-12-22 13:57:34,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 13:57:34,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:57:34,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 13:57:34,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 13:57:34,502 INFO L87 Difference]: Start difference. First operand 28418 states and 38625 transitions. Second operand 4 states. [2020-12-22 13:57:36,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:57:36,454 INFO L93 Difference]: Finished difference Result 56936 states and 77397 transitions. [2020-12-22 13:57:36,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 13:57:36,455 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2020-12-22 13:57:36,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:57:36,688 INFO L225 Difference]: With dead ends: 56936 [2020-12-22 13:57:36,689 INFO L226 Difference]: Without dead ends: 28374 [2020-12-22 13:57:36,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 13:57:36,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28374 states. [2020-12-22 13:57:38,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28374 to 28198. [2020-12-22 13:57:38,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28198 states. [2020-12-22 13:57:38,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28198 states to 28198 states and 38309 transitions. [2020-12-22 13:57:38,793 INFO L78 Accepts]: Start accepts. Automaton has 28198 states and 38309 transitions. Word has length 101 [2020-12-22 13:57:38,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:57:38,794 INFO L481 AbstractCegarLoop]: Abstraction has 28198 states and 38309 transitions. [2020-12-22 13:57:38,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 13:57:38,794 INFO L276 IsEmpty]: Start isEmpty. Operand 28198 states and 38309 transitions. [2020-12-22 13:57:38,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-22 13:57:38,798 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:57:38,799 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:57:39,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-22 13:57:39,014 INFO L429 AbstractCegarLoop]: === Iteration 15 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:57:39,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:57:39,015 INFO L82 PathProgramCache]: Analyzing trace with hash 218041037, now seen corresponding path program 1 times [2020-12-22 13:57:39,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:57:39,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316700060] [2020-12-22 13:57:39,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:57:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:39,513 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 13:57:39,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316700060] [2020-12-22 13:57:39,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235914954] [2020-12-22 13:57:39,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 13:57:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:43,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 2289 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-22 13:57:43,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 13:57:43,749 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 13:57:43,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 13:57:43,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-12-22 13:57:43,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271881934] [2020-12-22 13:57:43,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 13:57:43,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:57:43,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 13:57:43,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-22 13:57:43,751 INFO L87 Difference]: Start difference. First operand 28198 states and 38309 transitions. Second operand 6 states. [2020-12-22 13:57:44,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:57:44,951 INFO L93 Difference]: Finished difference Result 56352 states and 76574 transitions. [2020-12-22 13:57:44,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 13:57:44,952 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2020-12-22 13:57:44,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:57:45,116 INFO L225 Difference]: With dead ends: 56352 [2020-12-22 13:57:45,116 INFO L226 Difference]: Without dead ends: 28199 [2020-12-22 13:57:45,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-22 13:57:45,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28199 states. [2020-12-22 13:57:46,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28199 to 28199. [2020-12-22 13:57:46,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28199 states. [2020-12-22 13:57:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28199 states to 28199 states and 38310 transitions. [2020-12-22 13:57:46,543 INFO L78 Accepts]: Start accepts. Automaton has 28199 states and 38310 transitions. Word has length 101 [2020-12-22 13:57:46,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:57:46,544 INFO L481 AbstractCegarLoop]: Abstraction has 28199 states and 38310 transitions. [2020-12-22 13:57:46,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 13:57:46,544 INFO L276 IsEmpty]: Start isEmpty. Operand 28199 states and 38310 transitions. [2020-12-22 13:57:46,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-22 13:57:46,546 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:57:46,547 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:57:46,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-22 13:57:46,752 INFO L429 AbstractCegarLoop]: === Iteration 16 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION, gameport_handle_eventsErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:57:46,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:57:46,754 INFO L82 PathProgramCache]: Analyzing trace with hash -554646908, now seen corresponding path program 2 times [2020-12-22 13:57:46,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:57:46,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857168141] [2020-12-22 13:57:46,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:57:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:57:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 13:57:47,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857168141] [2020-12-22 13:57:47,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298075400] [2020-12-22 13:57:47,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 13:57:58,806 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 13:57:58,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 13:57:58,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 2295 conjuncts, 113 conjunts are in the unsatisfiable core [2020-12-22 13:57:58,879 INFO L286 TraceCheckSpWp]: Computing forward predicates...