/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:43:00,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:43:00,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:43:00,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:43:00,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:43:00,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:43:00,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:43:00,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:43:00,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:43:00,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:43:00,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:43:00,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:43:00,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:43:00,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:43:00,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:43:00,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:43:00,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:43:00,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:43:00,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:43:00,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:43:00,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:43:00,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:43:00,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:43:00,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:43:00,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:43:00,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:43:00,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:43:00,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:43:00,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:43:00,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:43:00,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:43:00,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:43:00,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:43:00,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:43:00,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:43:00,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:43:00,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:43:00,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:43:00,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:43:00,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:43:00,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:43:00,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 20:43:00,888 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:43:00,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:43:00,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:43:00,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:43:00,894 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:43:00,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:43:00,895 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:43:00,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:43:00,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:43:00,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:43:00,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:43:00,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:43:00,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:43:00,898 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:43:00,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:43:00,898 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:43:00,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:43:00,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:43:00,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:43:00,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:43:00,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:43:00,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:43:00,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:43:00,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:43:00,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:43:00,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:43:00,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:43:00,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:43:00,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:43:00,902 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:43:01,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:43:01,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:43:01,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:43:01,369 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:43:01,370 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:43:01,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-10-27 20:43:01,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78bdf7475/cad0c89649bc44078409ea0f4bd04adc/FLAG1759c5c91 [2020-10-27 20:43:02,011 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:43:02,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-10-27 20:43:02,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78bdf7475/cad0c89649bc44078409ea0f4bd04adc/FLAG1759c5c91 [2020-10-27 20:43:02,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78bdf7475/cad0c89649bc44078409ea0f4bd04adc [2020-10-27 20:43:02,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:43:02,380 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:43:02,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:43:02,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:43:02,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:43:02,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:43:02" (1/1) ... [2020-10-27 20:43:02,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e941083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:02, skipping insertion in model container [2020-10-27 20:43:02,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:43:02" (1/1) ... [2020-10-27 20:43:02,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:43:02,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:43:02,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:43:02,724 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:43:02,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:43:02,855 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:43:02,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:02 WrapperNode [2020-10-27 20:43:02,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:43:02,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:43:02,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:43:02,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:43:02,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:02" (1/1) ... [2020-10-27 20:43:02,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:02" (1/1) ... [2020-10-27 20:43:02,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:02" (1/1) ... [2020-10-27 20:43:02,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:02" (1/1) ... [2020-10-27 20:43:02,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:02" (1/1) ... [2020-10-27 20:43:02,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:02" (1/1) ... [2020-10-27 20:43:02,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:02" (1/1) ... [2020-10-27 20:43:02,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:43:02,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:43:02,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:43:02,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:43:02,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-27 20:43:03,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:43:03,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:43:03,081 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:43:03,082 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-27 20:43:03,082 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-27 20:43:03,082 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-10-27 20:43:03,082 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:43:03,082 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-27 20:43:03,083 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-27 20:43:03,083 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-27 20:43:03,083 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-27 20:43:03,083 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-27 20:43:03,083 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-10-27 20:43:03,084 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-27 20:43:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:43:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:43:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:43:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:43:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 20:43:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:43:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-27 20:43:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-10-27 20:43:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-27 20:43:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-27 20:43:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-27 20:43:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-10-27 20:43:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-27 20:43:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-27 20:43:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-27 20:43:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-27 20:43:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:43:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-27 20:43:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:43:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:43:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:43:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:43:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:43:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:43:03,500 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:43:03,713 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-10-27 20:43:03,714 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-10-27 20:43:03,716 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:43:03,800 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2020-10-27 20:43:03,801 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2020-10-27 20:43:03,865 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:43:03,899 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-27 20:43:03,899 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-27 20:43:03,914 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:43:04,072 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-10-27 20:43:04,072 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-10-27 20:43:04,087 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:43:04,088 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 20:43:04,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:43:04 BoogieIcfgContainer [2020-10-27 20:43:04,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:43:04,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:43:04,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:43:04,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:43:04,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:43:02" (1/3) ... [2020-10-27 20:43:04,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602cdbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:43:04, skipping insertion in model container [2020-10-27 20:43:04,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:43:02" (2/3) ... [2020-10-27 20:43:04,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602cdbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:43:04, skipping insertion in model container [2020-10-27 20:43:04,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:43:04" (3/3) ... [2020-10-27 20:43:04,099 INFO L111 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2020-10-27 20:43:04,111 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:43:04,117 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 20:43:04,131 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 20:43:04,159 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:43:04,159 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:43:04,159 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:43:04,159 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:43:04,159 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:43:04,159 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:43:04,160 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:43:04,160 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:43:04,181 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2020-10-27 20:43:04,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-27 20:43:04,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:04,189 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] [2020-10-27 20:43:04,189 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:04,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:04,196 INFO L82 PathProgramCache]: Analyzing trace with hash -287519802, now seen corresponding path program 1 times [2020-10-27 20:43:04,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:04,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1068275751] [2020-10-27 20:43:04,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:04,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:04,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:04,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:04,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:04,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:04,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:05,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:05,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 20:43:05,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:43:05,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 987 [2020-10-27 20:43:05,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:05,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:05,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 20:43:05,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:43:05,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:43:05,655 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 20:43:05,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:05,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:05,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:05,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:05,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:05,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 20:43:05,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:05,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:05,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:05,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:05,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:05,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:05,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:05,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:43:05,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:05,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:05,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:05,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1068275751] [2020-10-27 20:43:05,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:05,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 20:43:05,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663412875] [2020-10-27 20:43:05,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 20:43:05,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:05,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 20:43:05,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 20:43:05,813 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 5 states. [2020-10-27 20:43:06,042 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 20:43:06,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:06,910 INFO L93 Difference]: Finished difference Result 262 states and 385 transitions. [2020-10-27 20:43:06,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 20:43:06,912 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-27 20:43:06,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:06,925 INFO L225 Difference]: With dead ends: 262 [2020-10-27 20:43:06,925 INFO L226 Difference]: Without dead ends: 137 [2020-10-27 20:43:06,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 20:43:06,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-27 20:43:06,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 120. [2020-10-27 20:43:06,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-27 20:43:06,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 163 transitions. [2020-10-27 20:43:07,001 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 163 transitions. Word has length 21 [2020-10-27 20:43:07,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:07,001 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 163 transitions. [2020-10-27 20:43:07,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 20:43:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 163 transitions. [2020-10-27 20:43:07,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-27 20:43:07,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:07,003 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] [2020-10-27 20:43:07,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:43:07,003 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:07,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:07,004 INFO L82 PathProgramCache]: Analyzing trace with hash 862961909, now seen corresponding path program 1 times [2020-10-27 20:43:07,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:07,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665354722] [2020-10-27 20:43:07,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:07,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:07,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:07,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:07,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:07,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:07,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 20:43:07,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:43:07,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 730 [2020-10-27 20:43:07,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:07,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:07,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 20:43:07,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:43:07,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:07,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:07,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:07,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:07,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:07,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:07,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:43:07,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:07,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:07,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:07,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:07,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:07,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:07,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:07,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:07,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:07,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:07,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:43:07,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:07,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:07,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:07,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:07,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:07,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:07,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:07,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:07,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:07,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:07,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:07,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665354722] [2020-10-27 20:43:07,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:07,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 20:43:07,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094932906] [2020-10-27 20:43:07,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 20:43:07,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:07,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 20:43:07,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 20:43:07,997 INFO L87 Difference]: Start difference. First operand 120 states and 163 transitions. Second operand 6 states. [2020-10-27 20:43:08,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:08,615 INFO L93 Difference]: Finished difference Result 240 states and 331 transitions. [2020-10-27 20:43:08,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-27 20:43:08,616 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-10-27 20:43:08,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:08,619 INFO L225 Difference]: With dead ends: 240 [2020-10-27 20:43:08,619 INFO L226 Difference]: Without dead ends: 137 [2020-10-27 20:43:08,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 20:43:08,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-27 20:43:08,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 120. [2020-10-27 20:43:08,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-27 20:43:08,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 162 transitions. [2020-10-27 20:43:08,648 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 162 transitions. Word has length 27 [2020-10-27 20:43:08,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:08,648 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 162 transitions. [2020-10-27 20:43:08,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 20:43:08,649 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 162 transitions. [2020-10-27 20:43:08,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-27 20:43:08,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:08,650 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] [2020-10-27 20:43:08,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:43:08,650 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:08,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:08,651 INFO L82 PathProgramCache]: Analyzing trace with hash 161897331, now seen corresponding path program 1 times [2020-10-27 20:43:08,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:08,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489361083] [2020-10-27 20:43:08,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:08,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:08,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:08,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 20:43:08,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:08,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-10-27 20:43:08,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 20:43:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:43:08,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:09,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:09,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:09,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:09,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:09,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:09,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:43:09,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:09,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:09,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:09,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:09,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:09,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:09,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:09,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:09,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:09,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:09,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:43:09,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:09,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:09,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:09,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:09,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:09,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:09,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:09,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:09,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:09,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:09,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:43:09,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:09,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:09,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:09,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:43:09,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:09,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:09,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489361083] [2020-10-27 20:43:09,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:09,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 20:43:09,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284843799] [2020-10-27 20:43:09,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 20:43:09,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:09,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 20:43:09,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 20:43:09,228 INFO L87 Difference]: Start difference. First operand 120 states and 162 transitions. Second operand 6 states. [2020-10-27 20:43:10,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:10,058 INFO L93 Difference]: Finished difference Result 220 states and 293 transitions. [2020-10-27 20:43:10,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 20:43:10,060 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-10-27 20:43:10,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:10,062 INFO L225 Difference]: With dead ends: 220 [2020-10-27 20:43:10,063 INFO L226 Difference]: Without dead ends: 162 [2020-10-27 20:43:10,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 20:43:10,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-27 20:43:10,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2020-10-27 20:43:10,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-10-27 20:43:10,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 200 transitions. [2020-10-27 20:43:10,114 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 200 transitions. Word has length 27 [2020-10-27 20:43:10,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:10,115 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 200 transitions. [2020-10-27 20:43:10,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 20:43:10,115 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 200 transitions. [2020-10-27 20:43:10,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 20:43:10,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:10,117 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] [2020-10-27 20:43:10,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:43:10,117 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:10,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:10,118 INFO L82 PathProgramCache]: Analyzing trace with hash 723741620, now seen corresponding path program 1 times [2020-10-27 20:43:10,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:10,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1680704464] [2020-10-27 20:43:10,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:10,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:10,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:10,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 20:43:10,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:10,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-27 20:43:10,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 20:43:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:43:10,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:10,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:10,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:10,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:10,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:10,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:10,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 20:43:10,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:10,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:10,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:10,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:10,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:10,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:10,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:10,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:10,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:10,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:10,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:43:10,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:10,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:10,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:10,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:10,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:10,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:10,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:10,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:10,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:10,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:43:10,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:10,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:10,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:10,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:43:10,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:10,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:10,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1680704464] [2020-10-27 20:43:10,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:10,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 20:43:10,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105363192] [2020-10-27 20:43:10,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 20:43:10,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:10,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 20:43:10,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 20:43:10,645 INFO L87 Difference]: Start difference. First operand 156 states and 200 transitions. Second operand 6 states. [2020-10-27 20:43:11,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:11,277 INFO L93 Difference]: Finished difference Result 209 states and 261 transitions. [2020-10-27 20:43:11,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 20:43:11,278 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-27 20:43:11,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:11,280 INFO L225 Difference]: With dead ends: 209 [2020-10-27 20:43:11,280 INFO L226 Difference]: Without dead ends: 173 [2020-10-27 20:43:11,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 20:43:11,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-27 20:43:11,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 142. [2020-10-27 20:43:11,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-27 20:43:11,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 182 transitions. [2020-10-27 20:43:11,313 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 182 transitions. Word has length 28 [2020-10-27 20:43:11,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:11,314 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 182 transitions. [2020-10-27 20:43:11,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 20:43:11,314 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 182 transitions. [2020-10-27 20:43:11,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-27 20:43:11,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:11,316 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] [2020-10-27 20:43:11,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:43:11,316 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:11,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:11,317 INFO L82 PathProgramCache]: Analyzing trace with hash -301257207, now seen corresponding path program 1 times [2020-10-27 20:43:11,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:11,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2063460996] [2020-10-27 20:43:11,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:11,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:11,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:11,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-27 20:43:11,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:11,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-27 20:43:11,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:11,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:11,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-27 20:43:11,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:43:11,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:11,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:11,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:11,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:11,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:11,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:11,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:43:11,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:11,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:11,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:11,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:11,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:11,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:11,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:11,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:11,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:11,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:11,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:43:11,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:11,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:11,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:11,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:11,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:11,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:11,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:11,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:11,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:11,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:11,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:43:11,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:11,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:11,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:11,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2063460996] [2020-10-27 20:43:11,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:11,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 20:43:11,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596324586] [2020-10-27 20:43:11,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 20:43:11,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:11,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 20:43:11,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 20:43:11,829 INFO L87 Difference]: Start difference. First operand 142 states and 182 transitions. Second operand 6 states. [2020-10-27 20:43:12,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:12,541 INFO L93 Difference]: Finished difference Result 147 states and 187 transitions. [2020-10-27 20:43:12,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 20:43:12,542 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-10-27 20:43:12,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:12,544 INFO L225 Difference]: With dead ends: 147 [2020-10-27 20:43:12,544 INFO L226 Difference]: Without dead ends: 101 [2020-10-27 20:43:12,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 20:43:12,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-27 20:43:12,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-10-27 20:43:12,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-27 20:43:12,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-10-27 20:43:12,585 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 38 [2020-10-27 20:43:12,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:12,588 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-10-27 20:43:12,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 20:43:12,588 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-10-27 20:43:12,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-27 20:43:12,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:12,594 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] [2020-10-27 20:43:12,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 20:43:12,594 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:12,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:12,595 INFO L82 PathProgramCache]: Analyzing trace with hash -905173741, now seen corresponding path program 1 times [2020-10-27 20:43:12,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:12,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [914932549] [2020-10-27 20:43:12,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:12,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:12,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:13,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:13,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-27 20:43:13,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:13,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 489 [2020-10-27 20:43:13,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:13,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:43:13,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-27 20:43:13,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:43:13,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:13,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:13,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:13,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:13,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:13,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:13,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:43:13,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:13,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:13,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:13,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:13,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:13,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:13,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:13,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:13,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:13,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:13,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:43:13,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:13,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:13,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:13,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:13,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:13,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:13,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:13,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:13,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:13,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:13,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:13,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:13,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:13,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:13,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:43:13,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:43:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:13,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:13,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:13,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 20:43:13,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:13,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 20:43:13,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:13,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:13,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:13,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:43:13,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:13,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:13,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [914932549] [2020-10-27 20:43:13,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:13,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 20:43:13,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626565200] [2020-10-27 20:43:13,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 20:43:13,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:13,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 20:43:13,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-27 20:43:13,429 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 10 states. [2020-10-27 20:43:13,630 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 20:43:14,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:14,168 INFO L93 Difference]: Finished difference Result 131 states and 153 transitions. [2020-10-27 20:43:14,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 20:43:14,169 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 46 [2020-10-27 20:43:14,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:14,171 INFO L225 Difference]: With dead ends: 131 [2020-10-27 20:43:14,171 INFO L226 Difference]: Without dead ends: 123 [2020-10-27 20:43:14,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:43:14,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-27 20:43:14,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 113. [2020-10-27 20:43:14,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-27 20:43:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 134 transitions. [2020-10-27 20:43:14,203 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 134 transitions. Word has length 46 [2020-10-27 20:43:14,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:14,205 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 134 transitions. [2020-10-27 20:43:14,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 20:43:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2020-10-27 20:43:14,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-27 20:43:14,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:14,215 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] [2020-10-27 20:43:14,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 20:43:14,215 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:14,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:14,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1251505636, now seen corresponding path program 1 times [2020-10-27 20:43:14,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:14,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841428961] [2020-10-27 20:43:14,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:14,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:14,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:14,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:14,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:16,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:16,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-27 20:43:16,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:43:16,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1972 [2020-10-27 20:43:16,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 20:43:16,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 20:43:16,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:16,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:16,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:16,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:16,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:16,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:16,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:43:16,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:16,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:16,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:16,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:16,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:16,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:16,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:16,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:16,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:16,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:16,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:43:16,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:16,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:16,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:16,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:16,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:16,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:16,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:16,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:16,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:16,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:16,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:16,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:16,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:16,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:16,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:43:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:16,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:16,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:16,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 20:43:16,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:16,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:43:16,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:16,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:16,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:16,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:16,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:16,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:16,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [841428961] [2020-10-27 20:43:16,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:16,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 20:43:16,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111821168] [2020-10-27 20:43:16,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 20:43:16,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:16,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 20:43:16,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 20:43:16,519 INFO L87 Difference]: Start difference. First operand 113 states and 134 transitions. Second operand 7 states. [2020-10-27 20:43:17,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:17,032 INFO L93 Difference]: Finished difference Result 132 states and 154 transitions. [2020-10-27 20:43:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 20:43:17,032 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-27 20:43:17,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:17,034 INFO L225 Difference]: With dead ends: 132 [2020-10-27 20:43:17,034 INFO L226 Difference]: Without dead ends: 126 [2020-10-27 20:43:17,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:43:17,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-27 20:43:17,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 115. [2020-10-27 20:43:17,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-27 20:43:17,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-10-27 20:43:17,065 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 46 [2020-10-27 20:43:17,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:17,066 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-10-27 20:43:17,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 20:43:17,066 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-10-27 20:43:17,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 20:43:17,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:17,069 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] [2020-10-27 20:43:17,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 20:43:17,070 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:17,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:17,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1885434432, now seen corresponding path program 1 times [2020-10-27 20:43:17,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:17,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17444272] [2020-10-27 20:43:17,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:17,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:17,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:17,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:17,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-27 20:43:17,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:17,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-10-27 20:43:17,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:17,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:17,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-27 20:43:17,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:43:17,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:17,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:17,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:17,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:17,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:17,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:17,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:43:17,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:17,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:17,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:17,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:17,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:17,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:17,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:17,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:17,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:43:17,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:17,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:17,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:17,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:17,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:17,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:17,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:17,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:17,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:17,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:17,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:17,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:17,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:17,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:17,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:17,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:17,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:43:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:17,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:17,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:17,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 20:43:17,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:17,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:43:17,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:17,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:17,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 20:43:17,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:43:17,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:17,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17444272] [2020-10-27 20:43:17,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:17,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 20:43:17,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729468387] [2020-10-27 20:43:17,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 20:43:17,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:17,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 20:43:17,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:43:17,729 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 8 states. [2020-10-27 20:43:18,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:18,368 INFO L93 Difference]: Finished difference Result 154 states and 181 transitions. [2020-10-27 20:43:18,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 20:43:18,369 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 47 [2020-10-27 20:43:18,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:18,370 INFO L225 Difference]: With dead ends: 154 [2020-10-27 20:43:18,370 INFO L226 Difference]: Without dead ends: 107 [2020-10-27 20:43:18,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:43:18,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-27 20:43:18,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-10-27 20:43:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-27 20:43:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2020-10-27 20:43:18,395 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 124 transitions. Word has length 47 [2020-10-27 20:43:18,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:18,396 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 124 transitions. [2020-10-27 20:43:18,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 20:43:18,396 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions. [2020-10-27 20:43:18,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-27 20:43:18,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:18,397 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] [2020-10-27 20:43:18,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 20:43:18,397 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:18,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:18,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1403671779, now seen corresponding path program 1 times [2020-10-27 20:43:18,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:18,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2020020681] [2020-10-27 20:43:18,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:18,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:18,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:18,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-27 20:43:18,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:18,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 20:43:18,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:18,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:18,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 20:43:18,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:43:18,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:18,654 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 20:43:18,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:18,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:18,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:18,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:18,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:18,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:43:18,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:18,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:18,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:18,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:18,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:18,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:18,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:18,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:18,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:18,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:18,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:18,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:18,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:18,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:18,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:18,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:18,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:18,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:18,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:18,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:18,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:18,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:18,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:18,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:18,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:18,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:18,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:43:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:18,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:18,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:18,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:18,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:18,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:18,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:18,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:18,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:18,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:18,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:18,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:18,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:18,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:18,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:18,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:18,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:18,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:18,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:18,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:18,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:18,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:18,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 20:43:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:18,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:18,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:18,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:18,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:18,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:18,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:43:18,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:18,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:18,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2020020681] [2020-10-27 20:43:18,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:18,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 20:43:18,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151997328] [2020-10-27 20:43:18,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 20:43:18,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:18,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 20:43:18,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:43:18,813 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand 8 states. [2020-10-27 20:43:18,949 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-27 20:43:19,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:19,341 INFO L93 Difference]: Finished difference Result 146 states and 170 transitions. [2020-10-27 20:43:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 20:43:19,342 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-10-27 20:43:19,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:19,344 INFO L225 Difference]: With dead ends: 146 [2020-10-27 20:43:19,344 INFO L226 Difference]: Without dead ends: 104 [2020-10-27 20:43:19,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:43:19,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-27 20:43:19,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 103. [2020-10-27 20:43:19,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-27 20:43:19,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 116 transitions. [2020-10-27 20:43:19,362 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 116 transitions. Word has length 52 [2020-10-27 20:43:19,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:19,362 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 116 transitions. [2020-10-27 20:43:19,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 20:43:19,362 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2020-10-27 20:43:19,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-27 20:43:19,363 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:19,363 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] [2020-10-27 20:43:19,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 20:43:19,364 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:19,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:19,364 INFO L82 PathProgramCache]: Analyzing trace with hash -225644509, now seen corresponding path program 1 times [2020-10-27 20:43:19,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:19,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268758212] [2020-10-27 20:43:19,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:19,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:19,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:19,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:19,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 20:43:19,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:19,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 572 [2020-10-27 20:43:19,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:19,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:19,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 20:43:19,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 20:43:19,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:20,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:20,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:20,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:20,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:20,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:20,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:43:20,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:20,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:20,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:20,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:20,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:20,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:20,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:20,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:20,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:20,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:20,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:20,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:20,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:20,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:20,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:20,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:20,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:20,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:20,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:20,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:20,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:20,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:43:20,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:20,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:20,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:20,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:43:20,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:20,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:43:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:20,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:20,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:20,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 20:43:20,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:20,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 20:43:20,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:20,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 20:43:20,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:20,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:43:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:20,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:20,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:20,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:20,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:20,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:20,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:20,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:20,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:20,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:20,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:20,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:20,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:20,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:20,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:20,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:20,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:20,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:20,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:20,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:20,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:20,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:20,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:20,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:20,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:20,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:20,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:20,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:20,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:20,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:20,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:20,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268758212] [2020-10-27 20:43:20,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:20,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:43:20,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562551993] [2020-10-27 20:43:20,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:43:20,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:20,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:43:20,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:43:20,301 INFO L87 Difference]: Start difference. First operand 103 states and 116 transitions. Second operand 9 states. [2020-10-27 20:43:20,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:20,749 INFO L93 Difference]: Finished difference Result 198 states and 222 transitions. [2020-10-27 20:43:20,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 20:43:20,750 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-10-27 20:43:20,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:20,752 INFO L225 Difference]: With dead ends: 198 [2020-10-27 20:43:20,752 INFO L226 Difference]: Without dead ends: 190 [2020-10-27 20:43:20,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:43:20,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-10-27 20:43:20,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 177. [2020-10-27 20:43:20,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-10-27 20:43:20,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 202 transitions. [2020-10-27 20:43:20,785 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 202 transitions. Word has length 61 [2020-10-27 20:43:20,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:20,785 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 202 transitions. [2020-10-27 20:43:20,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:43:20,785 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 202 transitions. [2020-10-27 20:43:20,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-27 20:43:20,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:20,787 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] [2020-10-27 20:43:20,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 20:43:20,787 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:20,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:20,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1034991135, now seen corresponding path program 1 times [2020-10-27 20:43:20,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:20,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2092717015] [2020-10-27 20:43:20,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:20,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:20,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:20,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 20:43:20,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:20,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-27 20:43:20,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:43:20,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 20:43:20,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 20:43:20,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:21,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:21,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:21,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:21,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:21,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:21,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:43:21,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:21,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:21,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:21,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:21,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:21,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:21,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:21,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:21,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:21,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:21,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:43:21,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:43:21,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:21,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:21,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:21,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:21,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:21,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:21,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:43:21,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:21,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:21,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:21,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:43:21,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:21,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:43:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:21,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:21,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:21,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 20:43:21,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:21,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 20:43:21,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:21,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:43:21,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 20:43:21,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 20:43:21,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:21,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:43:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:21,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:21,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:21,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:21,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:21,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:21,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:21,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:21,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:21,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:21,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:21,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:21,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:21,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:21,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:21,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:21,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:21,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:21,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:21,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:21,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:21,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:21,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:21,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:21,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:21,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:21,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:21,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:43:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:21,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2092717015] [2020-10-27 20:43:21,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:21,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 20:43:21,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648191658] [2020-10-27 20:43:21,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:43:21,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:21,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:43:21,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:43:21,401 INFO L87 Difference]: Start difference. First operand 177 states and 202 transitions. Second operand 12 states. [2020-10-27 20:43:22,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:22,075 INFO L93 Difference]: Finished difference Result 230 states and 263 transitions. [2020-10-27 20:43:22,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 20:43:22,075 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 61 [2020-10-27 20:43:22,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:22,077 INFO L225 Difference]: With dead ends: 230 [2020-10-27 20:43:22,077 INFO L226 Difference]: Without dead ends: 161 [2020-10-27 20:43:22,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-10-27 20:43:22,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-10-27 20:43:22,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 159. [2020-10-27 20:43:22,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-10-27 20:43:22,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 174 transitions. [2020-10-27 20:43:22,112 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 174 transitions. Word has length 61 [2020-10-27 20:43:22,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:22,112 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 174 transitions. [2020-10-27 20:43:22,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:43:22,113 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 174 transitions. [2020-10-27 20:43:22,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 20:43:22,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:22,114 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] [2020-10-27 20:43:22,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 20:43:22,114 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:22,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:22,115 INFO L82 PathProgramCache]: Analyzing trace with hash -736630362, now seen corresponding path program 1 times [2020-10-27 20:43:22,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:22,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582315973] [2020-10-27 20:43:22,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:22,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:22,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:22,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:22,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 20:43:22,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:22,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-10-27 20:43:22,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:22,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:43:22,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 20:43:22,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:43:22,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:22,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:22,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:22,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:22,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:22,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:22,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:43:22,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:22,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:22,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:22,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:22,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:22,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:22,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:22,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:22,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:22,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:22,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:22,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:22,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:22,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:22,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:22,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:22,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:22,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:22,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:22,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:22,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:22,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:22,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:22,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:22,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:22,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:22,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:22,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:43:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:22,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:22,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:22,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:22,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 20:43:22,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:22,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 20:43:22,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:22,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:22,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 20:43:22,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 20:43:22,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:22,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:43:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:22,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:22,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:22,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:22,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:22,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:43:22,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:22,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:22,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:22,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:22,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:22,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:22,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:22,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:22,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:22,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:22,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:22,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:22,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:22,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:22,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:22,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:22,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:22,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:22,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:22,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:22,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:22,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582315973] [2020-10-27 20:43:22,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:22,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:43:22,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815540648] [2020-10-27 20:43:22,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:43:22,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:22,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:43:22,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:43:22,872 INFO L87 Difference]: Start difference. First operand 159 states and 174 transitions. Second operand 11 states. [2020-10-27 20:43:23,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:23,294 INFO L93 Difference]: Finished difference Result 230 states and 256 transitions. [2020-10-27 20:43:23,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 20:43:23,294 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2020-10-27 20:43:23,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:23,296 INFO L225 Difference]: With dead ends: 230 [2020-10-27 20:43:23,296 INFO L226 Difference]: Without dead ends: 177 [2020-10-27 20:43:23,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:43:23,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-10-27 20:43:23,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 165. [2020-10-27 20:43:23,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-10-27 20:43:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 180 transitions. [2020-10-27 20:43:23,321 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 180 transitions. Word has length 63 [2020-10-27 20:43:23,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:23,321 INFO L481 AbstractCegarLoop]: Abstraction has 165 states and 180 transitions. [2020-10-27 20:43:23,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:43:23,321 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 180 transitions. [2020-10-27 20:43:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 20:43:23,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:23,322 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] [2020-10-27 20:43:23,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 20:43:23,323 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:23,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:23,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1728140248, now seen corresponding path program 1 times [2020-10-27 20:43:23,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:23,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329981537] [2020-10-27 20:43:23,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:23,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:23,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:23,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:23,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:24,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:25,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:25,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 20:43:25,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:43:25,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2041 [2020-10-27 20:43:25,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:43:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 20:43:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:43:25,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:25,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:25,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:25,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:25,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:25,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:25,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 20:43:25,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:25,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:25,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:25,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:25,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:25,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:25,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:25,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:25,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:25,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:25,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:25,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:25,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:25,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:25,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:25,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:25,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:25,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:25,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:25,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:25,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:25,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:25,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:25,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:43:25,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:43:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:25,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:25,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:25,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:25,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 20:43:25,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:25,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 20:43:25,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 20:43:25,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:25,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:43:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:25,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:25,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:25,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:25,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:25,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:25,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:25,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:25,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:25,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:25,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:25,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:25,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:25,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:25,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:25,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:25,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:25,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:25,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:25,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:25,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:25,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:25,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:25,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:25,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:25,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:25,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:25,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:25,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:25,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:25,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329981537] [2020-10-27 20:43:25,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:25,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 20:43:25,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291163535] [2020-10-27 20:43:25,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:43:25,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:25,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:43:25,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:43:25,820 INFO L87 Difference]: Start difference. First operand 165 states and 180 transitions. Second operand 12 states. [2020-10-27 20:43:26,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:26,313 INFO L93 Difference]: Finished difference Result 244 states and 270 transitions. [2020-10-27 20:43:26,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 20:43:26,313 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 63 [2020-10-27 20:43:26,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:26,315 INFO L225 Difference]: With dead ends: 244 [2020-10-27 20:43:26,315 INFO L226 Difference]: Without dead ends: 161 [2020-10-27 20:43:26,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:43:26,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-10-27 20:43:26,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 155. [2020-10-27 20:43:26,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-27 20:43:26,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 166 transitions. [2020-10-27 20:43:26,338 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 166 transitions. Word has length 63 [2020-10-27 20:43:26,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:26,339 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 166 transitions. [2020-10-27 20:43:26,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:43:26,339 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 166 transitions. [2020-10-27 20:43:26,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 20:43:26,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:26,340 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] [2020-10-27 20:43:26,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 20:43:26,340 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:26,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:26,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1924777590, now seen corresponding path program 1 times [2020-10-27 20:43:26,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:26,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [314084666] [2020-10-27 20:43:26,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:26,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:26,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:26,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:26,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 20:43:26,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:26,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 462 [2020-10-27 20:43:26,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:26,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:43:26,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-27 20:43:26,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:43:26,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:26,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:26,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:26,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:26,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:26,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:26,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:43:26,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:26,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:26,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:26,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:26,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:27,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:27,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:27,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:27,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:27,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:27,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:27,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:27,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:27,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:27,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:27,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:27,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:27,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:27,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:27,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:27,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:27,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:27,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:27,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:27,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:27,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:27,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:27,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:43:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:27,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:27,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:27,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:27,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 20:43:27,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:27,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 20:43:27,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:27,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 20:43:27,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:27,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:43:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:27,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:27,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:27,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:27,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:27,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:27,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:27,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:27,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:27,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:27,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:27,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:27,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:27,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:27,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:27,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:27,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:27,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:27,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:27,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:27,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:27,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:27,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:27,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:27,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:27,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:27,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:27,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:27,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:27,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:27,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:27,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:27,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:27,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [314084666] [2020-10-27 20:43:27,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:27,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 20:43:27,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695334293] [2020-10-27 20:43:27,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:43:27,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:27,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:43:27,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:43:27,245 INFO L87 Difference]: Start difference. First operand 155 states and 166 transitions. Second operand 12 states. [2020-10-27 20:43:27,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:27,681 INFO L93 Difference]: Finished difference Result 168 states and 179 transitions. [2020-10-27 20:43:27,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 20:43:27,682 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2020-10-27 20:43:27,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:27,683 INFO L225 Difference]: With dead ends: 168 [2020-10-27 20:43:27,683 INFO L226 Difference]: Without dead ends: 141 [2020-10-27 20:43:27,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:43:27,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-10-27 20:43:27,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2020-10-27 20:43:27,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-27 20:43:27,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 148 transitions. [2020-10-27 20:43:27,708 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 148 transitions. Word has length 64 [2020-10-27 20:43:27,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:27,708 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 148 transitions. [2020-10-27 20:43:27,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:43:27,708 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2020-10-27 20:43:27,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 20:43:27,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:27,709 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] [2020-10-27 20:43:27,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 20:43:27,710 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:27,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:27,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1636423798, now seen corresponding path program 1 times [2020-10-27 20:43:27,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:27,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391396871] [2020-10-27 20:43:27,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:27,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:27,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:27,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 20:43:27,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:27,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-27 20:43:27,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:27,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:27,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-27 20:43:27,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 20:43:27,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:28,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:28,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:28,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:28,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:28,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:28,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:43:28,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:28,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:28,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:28,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:28,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:28,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:28,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:28,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 20:43:28,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:28,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:28,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:28,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:28,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:28,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:28,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:28,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:28,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:28,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:28,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:28,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:28,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:28,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:28,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:28,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:28,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:43:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:28,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:28,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:28,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 20:43:28,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:28,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:43:28,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:28,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:28,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:28,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 20:43:28,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:28,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:43:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:28,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:28,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:28,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:28,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:28,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:43:28,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:28,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:28,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:28,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:43:28,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:28,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:28,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:28,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:28,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:28,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:28,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:28,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:28,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:28,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:28,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:43:28,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:28,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:28,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:28,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:28,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:28,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:28,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:28,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:28,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:28,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:28,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:43:28,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:28,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:28,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391396871] [2020-10-27 20:43:28,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:28,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:43:28,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061796787] [2020-10-27 20:43:28,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:43:28,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:28,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:43:28,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:43:28,261 INFO L87 Difference]: Start difference. First operand 141 states and 148 transitions. Second operand 9 states. [2020-10-27 20:43:28,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:28,588 INFO L93 Difference]: Finished difference Result 167 states and 176 transitions. [2020-10-27 20:43:28,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 20:43:28,589 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-10-27 20:43:28,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:28,590 INFO L225 Difference]: With dead ends: 167 [2020-10-27 20:43:28,590 INFO L226 Difference]: Without dead ends: 134 [2020-10-27 20:43:28,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:43:28,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-27 20:43:28,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-10-27 20:43:28,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-27 20:43:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 137 transitions. [2020-10-27 20:43:28,613 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 137 transitions. Word has length 64 [2020-10-27 20:43:28,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:28,613 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 137 transitions. [2020-10-27 20:43:28,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:43:28,614 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 137 transitions. [2020-10-27 20:43:28,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-27 20:43:28,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:28,615 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] [2020-10-27 20:43:28,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 20:43:28,615 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:28,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:28,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1756072874, now seen corresponding path program 1 times [2020-10-27 20:43:28,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:28,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [684625436] [2020-10-27 20:43:28,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:28,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:28,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:28,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:28,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 20:43:28,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:28,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-10-27 20:43:28,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:28,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:28,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-27 20:43:28,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 20:43:28,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:29,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:29,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:29,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:29,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:43:29,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:29,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:29,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:29,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:29,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:29,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:29,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:29,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:29,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:43:29,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:29,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:29,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:29,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:29,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:29,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:29,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:29,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:29,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:43:29,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:29,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:29,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:29,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:29,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:43:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:29,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:29,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 20:43:29,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:29,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 20:43:29,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 20:43:29,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:43:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:29,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:29,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 20:43:29,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:29,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:43:29,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:29,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:29,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:29,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:29,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:29,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:29,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:29,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:29,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:29,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:29,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:43:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:29,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:29,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:29,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:29,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:43:29,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:29,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:29,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:29,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:29,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 20:43:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:29,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:29,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:29,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 20:43:29,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:29,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 20:43:29,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:29,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:29,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 20:43:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:43:29,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:29,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [684625436] [2020-10-27 20:43:29,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:29,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:43:29,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775726149] [2020-10-27 20:43:29,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:43:29,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:29,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:43:29,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:43:29,278 INFO L87 Difference]: Start difference. First operand 134 states and 137 transitions. Second operand 11 states. [2020-10-27 20:43:29,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:29,625 INFO L93 Difference]: Finished difference Result 134 states and 137 transitions. [2020-10-27 20:43:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 20:43:29,626 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 75 [2020-10-27 20:43:29,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:29,626 INFO L225 Difference]: With dead ends: 134 [2020-10-27 20:43:29,626 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 20:43:29,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:43:29,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 20:43:29,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 20:43:29,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 20:43:29,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 20:43:29,628 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2020-10-27 20:43:29,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:29,628 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 20:43:29,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:43:29,628 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 20:43:29,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 20:43:29,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 20:43:29,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 20:43:31,166 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 35 [2020-10-27 20:43:31,447 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-10-27 20:43:31,698 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 37 [2020-10-27 20:43:32,027 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 60 [2020-10-27 20:43:32,248 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 29 [2020-10-27 20:43:32,595 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 35 [2020-10-27 20:43:32,923 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 37 [2020-10-27 20:43:33,140 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 22 [2020-10-27 20:43:33,573 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 36 [2020-10-27 20:43:33,774 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 20 [2020-10-27 20:43:33,932 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 35 [2020-10-27 20:43:34,184 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2020-10-27 20:43:34,465 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-10-27 20:43:34,854 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 20 [2020-10-27 20:43:35,086 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 42 [2020-10-27 20:43:35,354 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 34 [2020-10-27 20:43:35,488 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 35 [2020-10-27 20:43:35,640 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 35 [2020-10-27 20:43:35,792 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-10-27 20:43:36,039 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 37 [2020-10-27 20:43:36,336 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 20 [2020-10-27 20:43:36,395 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 20:43:36,395 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 20:43:36,396 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 20:43:36,396 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 20:43:36,396 INFO L270 CegarLoopResult]: At program point KeSetEventENTRY(lines 515 522) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 1)) (not (= ~s~0 ~NP~0))) [2020-10-27 20:43:36,396 INFO L274 CegarLoopResult]: For program point KeSetEventFINAL(lines 515 522) no Hoare annotation was computed. [2020-10-27 20:43:36,397 INFO L274 CegarLoopResult]: For program point KeSetEventEXIT(lines 515 522) no Hoare annotation was computed. [2020-10-27 20:43:36,397 INFO L270 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 565 575) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 1)) (not (= ~s~0 ~NP~0))) [2020-10-27 20:43:36,397 INFO L270 CegarLoopResult]: At program point L571(line 571) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 1)) (not (= ~s~0 ~NP~0))) [2020-10-27 20:43:36,397 INFO L274 CegarLoopResult]: For program point L571-1(line 571) no Hoare annotation was computed. [2020-10-27 20:43:36,398 INFO L274 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 565 575) no Hoare annotation was computed. [2020-10-27 20:43:36,398 INFO L274 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 565 575) no Hoare annotation was computed. [2020-10-27 20:43:36,398 INFO L274 CegarLoopResult]: For program point stub_driver_initEXIT(lines 37 50) no Hoare annotation was computed. [2020-10-27 20:43:36,398 INFO L270 CegarLoopResult]: At program point stub_driver_initENTRY(lines 37 50) the Hoare annotation is: (or (= |old(~pended~0)| 1) (not (<= 5 ~MPR1~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))) [2020-10-27 20:43:36,398 INFO L274 CegarLoopResult]: For program point stub_driver_initFINAL(lines 37 50) no Hoare annotation was computed. [2020-10-27 20:43:36,398 INFO L274 CegarLoopResult]: For program point _BLAST_initFINAL(lines 51 72) no Hoare annotation was computed. [2020-10-27 20:43:36,398 INFO L270 CegarLoopResult]: At program point _BLAST_initENTRY(lines 51 72) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~MPR3~0 |old(~MPR3~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0) (= ~MPR1~0 ~NP~0)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-27 20:43:36,399 INFO L274 CegarLoopResult]: For program point _BLAST_initEXIT(lines 51 72) no Hoare annotation was computed. [2020-10-27 20:43:36,399 INFO L277 CegarLoopResult]: At program point errorFnENTRY(lines 577 584) the Hoare annotation is: true [2020-10-27 20:43:36,399 INFO L274 CegarLoopResult]: For program point errorFnFINAL(lines 577 584) no Hoare annotation was computed. [2020-10-27 20:43:36,399 INFO L274 CegarLoopResult]: For program point errorFnEXIT(lines 577 584) no Hoare annotation was computed. [2020-10-27 20:43:36,399 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-10-27 20:43:36,399 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 288 422) no Hoare annotation was computed. [2020-10-27 20:43:36,399 INFO L270 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-27 20:43:36,399 INFO L274 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-10-27 20:43:36,400 INFO L270 CegarLoopResult]: At program point L384(lines 377 417) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= ~pended~0 1))) [2020-10-27 20:43:36,400 INFO L274 CegarLoopResult]: For program point L409(lines 409 411) no Hoare annotation was computed. [2020-10-27 20:43:36,400 INFO L270 CegarLoopResult]: At program point L376(lines 369 418) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= ~pended~0 1))) [2020-10-27 20:43:36,400 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 288 422) no Hoare annotation was computed. [2020-10-27 20:43:36,400 INFO L274 CegarLoopResult]: For program point L385(lines 369 418) no Hoare annotation was computed. [2020-10-27 20:43:36,400 INFO L274 CegarLoopResult]: For program point L352(lines 352 367) no Hoare annotation was computed. [2020-10-27 20:43:36,400 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 288 422) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~Executive~0)| ~Executive~0) (= ~MPR3~0 |old(~MPR3~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~KernelMode~0 |old(~KernelMode~0)|) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0) (= ~myStatus~0 |old(~myStatus~0)|) (= ~MPR1~0 ~NP~0))) [2020-10-27 20:43:36,401 INFO L274 CegarLoopResult]: For program point L386(lines 386 415) no Hoare annotation was computed. [2020-10-27 20:43:36,401 INFO L270 CegarLoopResult]: At program point L353(lines 352 367) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= ~NP~0 1) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (not (= ~pended~0 1)) (<= 5 ~MPR1~0)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-27 20:43:36,401 INFO L274 CegarLoopResult]: For program point L378(lines 378 382) no Hoare annotation was computed. [2020-10-27 20:43:36,401 INFO L274 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2020-10-27 20:43:36,401 INFO L274 CegarLoopResult]: For program point L337(lines 323 368) no Hoare annotation was computed. [2020-10-27 20:43:36,401 INFO L274 CegarLoopResult]: For program point L387(lines 387 414) no Hoare annotation was computed. [2020-10-27 20:43:36,401 INFO L270 CegarLoopResult]: At program point L321(line 321) the Hoare annotation is: (or (and (= ~MPR3~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (not (= ~pended~0 1)) (= ~MPR1~0 ~NP~0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-27 20:43:36,401 INFO L274 CegarLoopResult]: For program point L321-1(lines 297 421) no Hoare annotation was computed. [2020-10-27 20:43:36,401 INFO L274 CegarLoopResult]: For program point L404(lines 404 412) no Hoare annotation was computed. [2020-10-27 20:43:36,401 INFO L270 CegarLoopResult]: At program point L396(lines 387 414) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= ~pended~0 1))) [2020-10-27 20:43:36,402 INFO L274 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-10-27 20:43:36,402 INFO L270 CegarLoopResult]: At program point L355(lines 354 367) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= ~pended~0 1))) [2020-10-27 20:43:36,402 INFO L274 CegarLoopResult]: For program point L405(lines 405 407) no Hoare annotation was computed. [2020-10-27 20:43:36,402 INFO L274 CegarLoopResult]: For program point L389(lines 389 391) no Hoare annotation was computed. [2020-10-27 20:43:36,402 INFO L270 CegarLoopResult]: At program point L323(lines 297 421) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= ~pended~0 1))) [2020-10-27 20:43:36,402 INFO L274 CegarLoopResult]: For program point L340-1(lines 339 349) no Hoare annotation was computed. [2020-10-27 20:43:36,402 INFO L274 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2020-10-27 20:43:36,402 INFO L274 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-27 20:43:36,403 INFO L270 CegarLoopResult]: At program point L332-2(lines 332 335) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= ~NP~0 1) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (not (= ~pended~0 1)) (<= 5 ~MPR1~0)) (= |old(~pended~0)| 1) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2020-10-27 20:43:36,403 INFO L270 CegarLoopResult]: At program point L457(lines 456 473) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) .cse0 (= ~MPR1~0 ~s~0) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))))) [2020-10-27 20:43:36,403 INFO L274 CegarLoopResult]: For program point L445(lines 445 448) no Hoare annotation was computed. [2020-10-27 20:43:36,403 INFO L274 CegarLoopResult]: For program point L445-1(lines 445 448) no Hoare annotation was computed. [2020-10-27 20:43:36,403 INFO L270 CegarLoopResult]: At program point IofCallDriverENTRY(lines 437 500) the Hoare annotation is: (let ((.cse1 (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|)) (.cse2 (= ~setEventCalled~0 |old(~setEventCalled~0)|)) (.cse0 (= ~pended~0 1))) (and (or .cse0 (and .cse1 .cse2 (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (and .cse1 .cse2 (= ~s~0 ~NP~0)) (not (<= 1 ~compRegistered~0)) .cse0 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))))) [2020-10-27 20:43:36,403 INFO L274 CegarLoopResult]: For program point IofCallDriverFINAL(lines 437 500) no Hoare annotation was computed. [2020-10-27 20:43:36,403 INFO L274 CegarLoopResult]: For program point L479(lines 479 496) no Hoare annotation was computed. [2020-10-27 20:43:36,404 INFO L270 CegarLoopResult]: At program point L446(line 446) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) (not (<= 1 ~compRegistered~0)) .cse0 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))))) [2020-10-27 20:43:36,404 INFO L274 CegarLoopResult]: For program point L446-1(line 446) no Hoare annotation was computed. [2020-10-27 20:43:36,404 INFO L270 CegarLoopResult]: At program point L471(lines 444 499) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (let ((.cse1 (= ~MPR1~0 ~s~0))) (or (not (<= 1 ~compRegistered~0)) .cse0 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1)) (and (<= IofCallDriver_~returnVal2~0 0) .cse1) (and .cse1 (= ~setEventCalled~0 1) (= 259 IofCallDriver_~returnVal2~0)))))) [2020-10-27 20:43:36,404 INFO L274 CegarLoopResult]: For program point IofCallDriverEXIT(lines 437 500) no Hoare annotation was computed. [2020-10-27 20:43:36,404 INFO L270 CegarLoopResult]: At program point L459(lines 458 473) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or (and (= ~MPR1~0 ~s~0) (= ~setEventCalled~0 1)) (not (<= 1 ~compRegistered~0)) .cse0 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))) (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-10-27 20:43:36,405 INFO L274 CegarLoopResult]: For program point L488(lines 488 495) no Hoare annotation was computed. [2020-10-27 20:43:36,405 INFO L274 CegarLoopResult]: For program point L451(lines 451 474) no Hoare annotation was computed. [2020-10-27 20:43:36,405 INFO L274 CegarLoopResult]: For program point L480(lines 480 486) no Hoare annotation was computed. [2020-10-27 20:43:36,405 INFO L270 CegarLoopResult]: At program point L447(line 447) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) .cse0 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1)) (and (= ~setEventCalled~0 1) (= ~s~0 |old(~s~0)|))))) [2020-10-27 20:43:36,405 INFO L270 CegarLoopResult]: At program point L493(line 493) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) .cse0 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))))) [2020-10-27 20:43:36,405 INFO L274 CegarLoopResult]: For program point L493-1(lines 475 497) no Hoare annotation was computed. [2020-10-27 20:43:36,405 INFO L274 CegarLoopResult]: For program point L456(lines 456 473) no Hoare annotation was computed. [2020-10-27 20:43:36,406 INFO L270 CegarLoopResult]: At program point L452(lines 451 474) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1))) (and (or .cse0 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) .cse0 (= ~MPR1~0 ~s~0) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))))) [2020-10-27 20:43:36,406 INFO L270 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (not (= ~setEventCalled~0 1)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))) [2020-10-27 20:43:36,406 INFO L274 CegarLoopResult]: For program point L431-1(lines 423 436) no Hoare annotation was computed. [2020-10-27 20:43:36,406 INFO L270 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 423 436) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (= ~s~0 ~NP~0) (not (= ~setEventCalled~0 1)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))) [2020-10-27 20:43:36,406 INFO L274 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 423 436) no Hoare annotation was computed. [2020-10-27 20:43:36,406 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:43:36,406 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~NP~0 |old(~NP~0)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= ~s~0 |old(~s~0)|) (= |old(#valid)| |#valid|) (= ~IPC~0 |old(~IPC~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~DC~0 |old(~DC~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~Executive~0 |old(~Executive~0)|) (= ~myStatus~0 |old(~myStatus~0)|) (= ~compRegistered~0 |old(~compRegistered~0)|) (= ~SKIP2~0 |old(~SKIP2~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~MPR3~0 |old(~MPR3~0)|) (= ~KernelMode~0 |old(~KernelMode~0)|) (= ~SKIP1~0 |old(~SKIP1~0)|) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~customIrp~0 |old(~customIrp~0)|) (= ~UNLOADED~0 |old(~UNLOADED~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-27 20:43:36,407 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:43:36,407 INFO L270 CegarLoopResult]: At program point L543(line 543) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (not (= |old(~setEventCalled~0)| 1)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 1)) (not (= ~MPR3~0 |old(~s~0)|))) [2020-10-27 20:43:36,407 INFO L274 CegarLoopResult]: For program point L541(lines 541 545) no Hoare annotation was computed. [2020-10-27 20:43:36,407 INFO L274 CegarLoopResult]: For program point L541-1(lines 528 547) no Hoare annotation was computed. [2020-10-27 20:43:36,407 INFO L274 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 523 564) no Hoare annotation was computed. [2020-10-27 20:43:36,407 INFO L274 CegarLoopResult]: For program point L529(lines 529 534) no Hoare annotation was computed. [2020-10-27 20:43:36,407 INFO L274 CegarLoopResult]: For program point L550(lines 550 562) no Hoare annotation was computed. [2020-10-27 20:43:36,407 INFO L274 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 523 564) no Hoare annotation was computed. [2020-10-27 20:43:36,408 INFO L270 CegarLoopResult]: At program point L536(lines 528 547) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (not (= |old(~setEventCalled~0)| 1)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 1)) (not (= ~MPR3~0 |old(~s~0)|))) [2020-10-27 20:43:36,408 INFO L274 CegarLoopResult]: For program point L528(lines 528 547) no Hoare annotation was computed. [2020-10-27 20:43:36,408 INFO L270 CegarLoopResult]: At program point L553(lines 552 562) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (not (= |old(~setEventCalled~0)| 1)) (= ~s~0 ~NP~0) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 1)) (not (= ~MPR3~0 |old(~s~0)|))) [2020-10-27 20:43:36,408 INFO L270 CegarLoopResult]: At program point L551(lines 550 562) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (not (= |old(~setEventCalled~0)| 1)) (= ~s~0 ~NP~0) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 1)) (not (= ~MPR3~0 |old(~s~0)|))) [2020-10-27 20:43:36,408 INFO L270 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 523 564) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~pended~0 1) (not (= |old(~setEventCalled~0)| 1)) (not (<= 5 ~MPR1~0)) (and (= ~MPR3~0 ~s~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0)) (not (= ~NP~0 1)) (not (= ~MPR3~0 |old(~s~0)|))) [2020-10-27 20:43:36,408 INFO L270 CegarLoopResult]: At program point L509(line 509) the Hoare annotation is: (or (= ~pended~0 1) (not (= |old(~s~0)| ~NP~0))) [2020-10-27 20:43:36,408 INFO L274 CegarLoopResult]: For program point L509-1(lines 501 514) no Hoare annotation was computed. [2020-10-27 20:43:36,409 INFO L270 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 501 514) the Hoare annotation is: (or (= ~pended~0 1) (= ~s~0 ~NP~0) (not (= ~NP~0 |old(~s~0)|))) [2020-10-27 20:43:36,409 INFO L274 CegarLoopResult]: For program point L505(lines 505 511) no Hoare annotation was computed. [2020-10-27 20:43:36,409 INFO L274 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 501 514) no Hoare annotation was computed. [2020-10-27 20:43:36,409 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:43:36,409 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~MPR3~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (not (= ~pended~0 1)) (= ~MPR1~0 ~NP~0)) [2020-10-27 20:43:36,409 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 20:43:36,409 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:43:36,409 INFO L274 CegarLoopResult]: For program point L192(lines 192 198) no Hoare annotation was computed. [2020-10-27 20:43:36,410 INFO L274 CegarLoopResult]: For program point L159(lines 159 265) no Hoare annotation was computed. [2020-10-27 20:43:36,410 INFO L274 CegarLoopResult]: For program point L126(lines 126 276) no Hoare annotation was computed. [2020-10-27 20:43:36,410 INFO L274 CegarLoopResult]: For program point L192-2(lines 166 261) no Hoare annotation was computed. [2020-10-27 20:43:36,410 INFO L270 CegarLoopResult]: At program point L242(line 242) the Hoare annotation is: (or (= ~pended~0 1) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0))) [2020-10-27 20:43:36,410 INFO L274 CegarLoopResult]: For program point L242-1(line 242) no Hoare annotation was computed. [2020-10-27 20:43:36,410 INFO L274 CegarLoopResult]: For program point L176(lines 176 182) no Hoare annotation was computed. [2020-10-27 20:43:36,410 INFO L274 CegarLoopResult]: For program point L176-1(lines 171 183) no Hoare annotation was computed. [2020-10-27 20:43:36,410 INFO L274 CegarLoopResult]: For program point L201(lines 201 205) no Hoare annotation was computed. [2020-10-27 20:43:36,410 INFO L274 CegarLoopResult]: For program point L135(lines 135 273) no Hoare annotation was computed. [2020-10-27 20:43:36,411 INFO L274 CegarLoopResult]: For program point L102(lines 102 284) no Hoare annotation was computed. [2020-10-27 20:43:36,411 INFO L270 CegarLoopResult]: At program point L226(lines 226 227) the Hoare annotation is: (or (= ~pended~0 1) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0))) [2020-10-27 20:43:36,411 INFO L274 CegarLoopResult]: For program point L226-1(lines 226 227) no Hoare annotation was computed. [2020-10-27 20:43:36,411 INFO L270 CegarLoopResult]: At program point L251(line 251) the Hoare annotation is: (or (= ~pended~0 1) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))) [2020-10-27 20:43:36,411 INFO L274 CegarLoopResult]: For program point L251-1(lines 247 253) no Hoare annotation was computed. [2020-10-27 20:43:36,411 INFO L274 CegarLoopResult]: For program point L144(lines 144 270) no Hoare annotation was computed. [2020-10-27 20:43:36,411 INFO L274 CegarLoopResult]: For program point L111(lines 111 281) no Hoare annotation was computed. [2020-10-27 20:43:36,412 INFO L270 CegarLoopResult]: At program point L103(lines 102 284) the Hoare annotation is: (or (= ~pended~0 1) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (<= 0 KbFilter_PnP_~status~0) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))) [2020-10-27 20:43:36,412 INFO L270 CegarLoopResult]: At program point L194(lines 194 196) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1)) (.cse1 (not (<= 5 ~MPR1~0))) (.cse2 (not (= |old(~compRegistered~0)| 0))) (.cse3 (not (= ~NP~0 |old(~s~0)|))) (.cse4 (not (= ~NP~0 1)))) (and (or (not (= (+ |old(~myStatus~0)| 1073741637) 0)) (= (+ ~myStatus~0 1073741637) 0) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4 (and (= ~MPR3~0 ~s~0) (<= 0 KbFilter_PnP_~status~0) (= ~setEventCalled~0 1) (= KbFilter_PnP_~__cil_tmp23~0 259) (<= 1 ~compRegistered~0))))) [2020-10-27 20:43:36,412 INFO L274 CegarLoopResult]: For program point L194-1(lines 194 196) no Hoare annotation was computed. [2020-10-27 20:43:36,412 INFO L274 CegarLoopResult]: For program point L153(lines 153 267) no Hoare annotation was computed. [2020-10-27 20:43:36,412 INFO L274 CegarLoopResult]: For program point L120(lines 120 278) no Hoare annotation was computed. [2020-10-27 20:43:36,412 INFO L270 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (or (= ~pended~0 1) (= ~s~0 ~NP~0) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))) [2020-10-27 20:43:36,412 INFO L270 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (or (= ~pended~0 1) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))) [2020-10-27 20:43:36,413 INFO L274 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 75 287) no Hoare annotation was computed. [2020-10-27 20:43:36,413 INFO L270 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (= ~pended~0 1) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))) [2020-10-27 20:43:36,413 INFO L274 CegarLoopResult]: For program point L236-1(lines 232 238) no Hoare annotation was computed. [2020-10-27 20:43:36,413 INFO L274 CegarLoopResult]: For program point L162(lines 162 264) no Hoare annotation was computed. [2020-10-27 20:43:36,413 INFO L274 CegarLoopResult]: For program point L129(lines 129 275) no Hoare annotation was computed. [2020-10-27 20:43:36,413 INFO L270 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: (or (= ~pended~0 1) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))) [2020-10-27 20:43:36,413 INFO L270 CegarLoopResult]: At program point L187(lines 187 188) the Hoare annotation is: (let ((.cse0 (= ~pended~0 1)) (.cse1 (not (<= 5 ~MPR1~0))) (.cse2 (not (= |old(~compRegistered~0)| 0))) (.cse3 (not (= ~NP~0 |old(~s~0)|))) (.cse4 (not (= ~NP~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and (<= 0 KbFilter_PnP_~status~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (<= 1 ~compRegistered~0))) (or (not (= (+ |old(~myStatus~0)| 1073741637) 0)) .cse0 (= (+ ~myStatus~0 1073741637) 0) .cse1 .cse2 .cse3 .cse4))) [2020-10-27 20:43:36,414 INFO L274 CegarLoopResult]: For program point L220-1(lines 216 222) no Hoare annotation was computed. [2020-10-27 20:43:36,414 INFO L274 CegarLoopResult]: For program point L187-1(lines 187 188) no Hoare annotation was computed. [2020-10-27 20:43:36,414 INFO L270 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 75 287) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (= ~pended~0 1) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))) [2020-10-27 20:43:36,414 INFO L274 CegarLoopResult]: For program point L171(lines 171 183) no Hoare annotation was computed. [2020-10-27 20:43:36,414 INFO L274 CegarLoopResult]: For program point L138(lines 138 272) no Hoare annotation was computed. [2020-10-27 20:43:36,414 INFO L274 CegarLoopResult]: For program point L105(lines 105 283) no Hoare annotation was computed. [2020-10-27 20:43:36,414 INFO L274 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 75 287) no Hoare annotation was computed. [2020-10-27 20:43:36,414 INFO L277 CegarLoopResult]: At program point L262(lines 166 263) the Hoare annotation is: true [2020-10-27 20:43:36,415 INFO L274 CegarLoopResult]: For program point L147(lines 147 269) no Hoare annotation was computed. [2020-10-27 20:43:36,415 INFO L274 CegarLoopResult]: For program point L114(lines 114 280) no Hoare annotation was computed. [2020-10-27 20:43:36,415 INFO L270 CegarLoopResult]: At program point L106(lines 105 283) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (= ~pended~0 1) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))) [2020-10-27 20:43:36,415 INFO L274 CegarLoopResult]: For program point L156(lines 156 266) no Hoare annotation was computed. [2020-10-27 20:43:36,415 INFO L274 CegarLoopResult]: For program point L123(lines 123 277) no Hoare annotation was computed. [2020-10-27 20:43:36,415 INFO L270 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (or (= ~pended~0 1) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))) [2020-10-27 20:43:36,415 INFO L270 CegarLoopResult]: At program point L165(lines 111 281) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (= ~pended~0 1) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))) [2020-10-27 20:43:36,415 INFO L274 CegarLoopResult]: For program point L132(lines 132 274) no Hoare annotation was computed. [2020-10-27 20:43:36,416 INFO L274 CegarLoopResult]: For program point L141(lines 141 271) no Hoare annotation was computed. [2020-10-27 20:43:36,416 INFO L274 CegarLoopResult]: For program point L108(lines 108 282) no Hoare annotation was computed. [2020-10-27 20:43:36,416 INFO L274 CegarLoopResult]: For program point L232(lines 232 238) no Hoare annotation was computed. [2020-10-27 20:43:36,416 INFO L270 CegarLoopResult]: At program point L257(lines 257 258) the Hoare annotation is: (or (= ~pended~0 1) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0))) [2020-10-27 20:43:36,416 INFO L274 CegarLoopResult]: For program point L257-1(lines 257 258) no Hoare annotation was computed. [2020-10-27 20:43:36,416 INFO L274 CegarLoopResult]: For program point L216(lines 216 222) no Hoare annotation was computed. [2020-10-27 20:43:36,416 INFO L274 CegarLoopResult]: For program point L150(lines 150 268) no Hoare annotation was computed. [2020-10-27 20:43:36,416 INFO L274 CegarLoopResult]: For program point L117(lines 117 279) no Hoare annotation was computed. [2020-10-27 20:43:36,417 INFO L270 CegarLoopResult]: At program point L109(lines 108 282) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (= ~pended~0 1) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (= ~NP~0 1))) [2020-10-27 20:43:36,417 INFO L274 CegarLoopResult]: For program point L200(lines 200 206) no Hoare annotation was computed. [2020-10-27 20:43:36,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 08:43:36 BoogieIcfgContainer [2020-10-27 20:43:36,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 20:43:36,467 INFO L168 Benchmark]: Toolchain (without parser) took 34091.42 ms. Allocated memory was 154.1 MB in the beginning and 574.6 MB in the end (delta: 420.5 MB). Free memory was 107.6 MB in the beginning and 448.8 MB in the end (delta: -341.2 MB). Peak memory consumption was 320.0 MB. Max. memory is 8.0 GB. [2020-10-27 20:43:36,468 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 154.1 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 20:43:36,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.62 ms. Allocated memory is still 154.1 MB. Free memory was 106.8 MB in the beginning and 92.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-10-27 20:43:36,469 INFO L168 Benchmark]: Boogie Preprocessor took 124.99 ms. Allocated memory is still 154.1 MB. Free memory was 92.3 MB in the beginning and 134.6 MB in the end (delta: -42.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-10-27 20:43:36,469 INFO L168 Benchmark]: RCFGBuilder took 1107.32 ms. Allocated memory is still 154.1 MB. Free memory was 134.6 MB in the beginning and 89.5 MB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 8.0 GB. [2020-10-27 20:43:36,470 INFO L168 Benchmark]: TraceAbstraction took 32373.90 ms. Allocated memory was 154.1 MB in the beginning and 574.6 MB in the end (delta: 420.5 MB). Free memory was 89.0 MB in the beginning and 449.4 MB in the end (delta: -360.4 MB). Peak memory consumption was 302.1 MB. Max. memory is 8.0 GB. [2020-10-27 20:43:36,473 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 154.1 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 472.62 ms. Allocated memory is still 154.1 MB. Free memory was 106.8 MB in the beginning and 92.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 124.99 ms. Allocated memory is still 154.1 MB. Free memory was 92.3 MB in the beginning and 134.6 MB in the end (delta: -42.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1107.32 ms. Allocated memory is still 154.1 MB. Free memory was 134.6 MB in the beginning and 89.5 MB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32373.90 ms. Allocated memory was 154.1 MB in the beginning and 574.6 MB in the end (delta: 420.5 MB). Free memory was 89.0 MB in the beginning and 449.4 MB in the end (delta: -360.4 MB). Peak memory consumption was 302.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: (((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || pended == 1) || !(5 <= MPR1)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP == 1) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || ((((NP == 1 && compRegistered == 0) && s == NP) && !(pended == 1)) && 5 <= MPR1)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP)) - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (((pended == 1 || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && (((((!(1 <= compRegistered) || pended == 1) || MPR1 == s) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP == 1)) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(pended == 1) - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (((((!(1 <= compRegistered) || pended == 1) || !(\old(setEventCalled) == 1)) || s == NP) || !(5 <= MPR1)) || !(NP == 1)) || !(MPR3 == \old(s)) - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(pended == 1) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(pended == 1) - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(pended == 1) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || pended == 1) || !(5 <= MPR1)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP == 1) - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: (((pended == 1 || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && ((((((!(1 <= compRegistered) || pended == 1) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP == 1)) || (returnVal2 <= 0 && MPR1 == s)) || ((MPR1 == s && setEventCalled == 1) && 259 == returnVal2)) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((((!(1 <= compRegistered) || pended == 1) || !(\old(setEventCalled) == 1)) || !(5 <= MPR1)) || !(NP == 1)) || !(MPR3 == \old(s)) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || pended == 1) || !(5 <= MPR1)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP == 1) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: (((pended == 1 || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && (((((!(1 <= compRegistered) || pended == 1) || MPR1 == s) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP == 1)) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: ((((pended == 1 || ((((((lowerDriverReturn == \old(lowerDriverReturn) && 0 <= status) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus))) || !(5 <= MPR1)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP == 1) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: ((((((MPR1 == s && setEventCalled == 1) || !(1 <= compRegistered)) || pended == 1) || !(5 <= MPR1)) || !(NP == \old(s))) || !(NP == 1)) && (((pended == 1 || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (((((!(1 <= compRegistered) || pended == 1) || !(\old(setEventCalled) == 1)) || s == NP) || !(5 <= MPR1)) || !(NP == 1)) || !(MPR3 == \old(s)) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || \old(pended) == 1) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || !(pended == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 155 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.4s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1514 SDtfs, 1651 SDslu, 2024 SDs, 0 SdLazy, 3923 SolverSat, 559 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 281 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 126 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 380 PreInvPairs, 464 NumberOfFragments, 1777 HoareAnnotationTreeSize, 380 FomulaSimplifications, 18699 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 54 FomulaSimplificationsInter, 4901 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 14.5s InterpolantComputationTime, 783 NumberOfCodeBlocks, 783 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 767 ConstructedInterpolants, 0 QuantifiedInterpolants, 188739 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...