/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=SHALLOWEST --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_simpl2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:04:37,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:04:37,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:04:37,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:04:37,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:04:37,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:04:37,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:04:37,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:04:37,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:04:37,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:04:37,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:04:37,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:04:37,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:04:37,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:04:37,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:04:37,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:04:37,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:04:37,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:04:37,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:04:37,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:04:37,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:04:37,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:04:37,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:04:37,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:04:37,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:04:37,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:04:37,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:04:37,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:04:37,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:04:37,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:04:37,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:04:37,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:04:37,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:04:37,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:04:37,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:04:37,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:04:37,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:04:37,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:04:37,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:04:37,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:04:37,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:04:37,845 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 02:04:37,882 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:04:37,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:04:37,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:04:37,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:04:37,884 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:04:37,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:04:37,885 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:04:37,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:04:37,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:04:37,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:04:37,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:04:37,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:04:37,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:04:37,886 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:04:37,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:04:37,887 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:04:37,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:04:37,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:04:37,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:04:37,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:04:37,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:04:37,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:04:37,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:04:37,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:04:37,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:04:37,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:04:37,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:04:37,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:04:37,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:04:37,890 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:04:38,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:04:38,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:04:38,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:04:38,350 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:04:38,351 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:04:38,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-10-27 02:04:38,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6e4173324/c8f7bf8736454966b0b4d8ac34cb41a0/FLAG208d919b5 [2020-10-27 02:04:39,279 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:04:39,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-10-27 02:04:39,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6e4173324/c8f7bf8736454966b0b4d8ac34cb41a0/FLAG208d919b5 [2020-10-27 02:04:39,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6e4173324/c8f7bf8736454966b0b4d8ac34cb41a0 [2020-10-27 02:04:39,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:04:39,557 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:04:39,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:04:39,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:04:39,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:04:39,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:04:39" (1/1) ... [2020-10-27 02:04:39,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79ac0f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:04:39, skipping insertion in model container [2020-10-27 02:04:39,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:04:39" (1/1) ... [2020-10-27 02:04:39,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:04:39,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:04:39,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:04:39,969 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:04:40,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:04:40,148 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:04:40,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:04:40 WrapperNode [2020-10-27 02:04:40,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:04:40,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:04:40,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:04:40,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:04:40,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:04:40" (1/1) ... [2020-10-27 02:04:40,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:04:40" (1/1) ... [2020-10-27 02:04:40,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:04:40" (1/1) ... [2020-10-27 02:04:40,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:04:40" (1/1) ... [2020-10-27 02:04:40,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:04:40" (1/1) ... [2020-10-27 02:04:40,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:04:40" (1/1) ... [2020-10-27 02:04:40,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:04:40" (1/1) ... [2020-10-27 02:04:40,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:04:40,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:04:40,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:04:40,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:04:40,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:04:40" (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 02:04:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:04:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:04:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:04:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-27 02:04:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-27 02:04:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-10-27 02:04:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:04:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-27 02:04:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-27 02:04:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-27 02:04:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-27 02:04:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-27 02:04:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-10-27 02:04:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2020-10-27 02:04:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2020-10-27 02:04:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2020-10-27 02:04:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-10-27 02:04:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2020-10-27 02:04:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-27 02:04:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:04:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:04:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:04:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:04:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 02:04:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:04:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-27 02:04:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-10-27 02:04:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-10-27 02:04:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-27 02:04:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-27 02:04:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-27 02:04:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-10-27 02:04:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2020-10-27 02:04:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2020-10-27 02:04:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2020-10-27 02:04:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2020-10-27 02:04:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-27 02:04:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-27 02:04:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-27 02:04:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-27 02:04:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:04:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-27 02:04:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:04:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:04:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:04:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:04:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:04:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:04:40,722 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:04:40,878 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-27 02:04:40,879 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-27 02:04:40,886 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:04:40,935 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-27 02:04:40,935 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-27 02:04:41,033 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:04:41,062 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-27 02:04:41,062 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-27 02:04:41,079 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:04:41,199 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-10-27 02:04:41,200 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-10-27 02:04:41,204 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:04:41,232 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-27 02:04:41,232 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-27 02:04:41,239 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:04:41,273 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-27 02:04:41,273 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-27 02:04:41,331 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:04:41,331 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 02:04:41,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:04:41 BoogieIcfgContainer [2020-10-27 02:04:41,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:04:41,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:04:41,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:04:41,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:04:41,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:04:39" (1/3) ... [2020-10-27 02:04:41,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428c9ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:04:41, skipping insertion in model container [2020-10-27 02:04:41,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:04:40" (2/3) ... [2020-10-27 02:04:41,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428c9ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:04:41, skipping insertion in model container [2020-10-27 02:04:41,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:04:41" (3/3) ... [2020-10-27 02:04:41,344 INFO L111 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-1.c [2020-10-27 02:04:41,357 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:04:41,363 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 02:04:41,378 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 02:04:41,411 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:04:41,412 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:04:41,412 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:04:41,412 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:04:41,412 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:04:41,412 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:04:41,412 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:04:41,413 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:04:41,439 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states. [2020-10-27 02:04:41,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-27 02:04:41,446 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:04:41,447 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 02:04:41,448 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:04:41,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:04:41,456 INFO L82 PathProgramCache]: Analyzing trace with hash -2097743147, now seen corresponding path program 1 times [2020-10-27 02:04:41,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:04:41,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [330754747] [2020-10-27 02:04:41,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:04:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:41,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:41,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:42,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:42,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:42,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:42,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:42,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:42,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:04:42,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:04:42,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1049 [2020-10-27 02:04:42,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:42,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:04:42,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 02:04:42,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:04:42,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:04:42,954 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 02:04:42,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:04:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:42,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:43,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:43,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:43,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:43,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 02:04:43,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:43,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:43,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:04:43,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:04:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:43,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:43,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:43,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:43,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:43,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 02:04:43,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:04:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:43,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:04:43,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:04:43,137 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 02:04:43,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [330754747] [2020-10-27 02:04:43,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:04:43,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 02:04:43,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410003329] [2020-10-27 02:04:43,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 02:04:43,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:04:43,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 02:04:43,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 02:04:43,176 INFO L87 Difference]: Start difference. First operand 243 states. Second operand 5 states. [2020-10-27 02:04:44,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:04:44,492 INFO L93 Difference]: Finished difference Result 421 states and 631 transitions. [2020-10-27 02:04:44,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 02:04:44,494 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-27 02:04:44,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:04:44,510 INFO L225 Difference]: With dead ends: 421 [2020-10-27 02:04:44,511 INFO L226 Difference]: Without dead ends: 257 [2020-10-27 02:04:44,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 02:04:44,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-10-27 02:04:44,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 229. [2020-10-27 02:04:44,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-10-27 02:04:44,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 323 transitions. [2020-10-27 02:04:44,616 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 323 transitions. Word has length 21 [2020-10-27 02:04:44,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:04:44,617 INFO L481 AbstractCegarLoop]: Abstraction has 229 states and 323 transitions. [2020-10-27 02:04:44,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 02:04:44,617 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 323 transitions. [2020-10-27 02:04:44,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 02:04:44,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:04:44,619 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] [2020-10-27 02:04:44,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:04:44,620 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:04:44,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:04:44,620 INFO L82 PathProgramCache]: Analyzing trace with hash -360253698, now seen corresponding path program 1 times [2020-10-27 02:04:44,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:04:44,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069411631] [2020-10-27 02:04:44,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:04:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:44,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:45,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:45,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 02:04:45,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:45,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-27 02:04:45,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:45,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:04:45,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 02:04:45,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 02:04:45,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:45,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:04:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:45,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:45,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:45,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:45,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:45,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:04:45,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:45,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:45,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:45,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:45,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:45,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:04:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:45,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:45,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:45,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:45,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:45,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:04:45,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:45,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:45,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:45,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:45,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:45,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:04:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:45,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:45,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:45,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:45,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:45,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:04:45,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:45,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:04:45,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:04:45,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:45,269 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 02:04:45,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069411631] [2020-10-27 02:04:45,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:04:45,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 02:04:45,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651818111] [2020-10-27 02:04:45,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 02:04:45,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:04:45,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 02:04:45,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 02:04:45,273 INFO L87 Difference]: Start difference. First operand 229 states and 323 transitions. Second operand 6 states. [2020-10-27 02:04:47,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:04:47,164 INFO L93 Difference]: Finished difference Result 404 states and 556 transitions. [2020-10-27 02:04:47,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 02:04:47,165 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2020-10-27 02:04:47,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:04:47,171 INFO L225 Difference]: With dead ends: 404 [2020-10-27 02:04:47,171 INFO L226 Difference]: Without dead ends: 345 [2020-10-27 02:04:47,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-27 02:04:47,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-10-27 02:04:47,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 302. [2020-10-27 02:04:47,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-10-27 02:04:47,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 412 transitions. [2020-10-27 02:04:47,229 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 412 transitions. Word has length 29 [2020-10-27 02:04:47,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:04:47,229 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 412 transitions. [2020-10-27 02:04:47,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 02:04:47,230 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 412 transitions. [2020-10-27 02:04:47,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 02:04:47,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:04:47,231 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] [2020-10-27 02:04:47,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:04:47,232 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:04:47,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:04:47,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1068199997, now seen corresponding path program 1 times [2020-10-27 02:04:47,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:04:47,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [286276214] [2020-10-27 02:04:47,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:04:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:47,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:47,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:47,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:04:47,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:47,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-27 02:04:47,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:47,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:04:47,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 02:04:47,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 02:04:47,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:47,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:04:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:47,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:47,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:47,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:47,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:47,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:04:47,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:47,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:47,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:47,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:47,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:47,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:04:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:47,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:47,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:47,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:47,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:47,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:04:47,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:47,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:47,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:47,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:47,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 02:04:47,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:04:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:47,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:47,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:47,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:47,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:47,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:04:47,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:04:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:47,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:04:47,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:04:47,688 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 02:04:47,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [286276214] [2020-10-27 02:04:47,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:04:47,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 02:04:47,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385223827] [2020-10-27 02:04:47,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 02:04:47,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:04:47,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 02:04:47,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 02:04:47,693 INFO L87 Difference]: Start difference. First operand 302 states and 412 transitions. Second operand 6 states. [2020-10-27 02:04:48,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:04:48,899 INFO L93 Difference]: Finished difference Result 481 states and 638 transitions. [2020-10-27 02:04:48,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 02:04:48,900 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2020-10-27 02:04:48,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:04:48,903 INFO L225 Difference]: With dead ends: 481 [2020-10-27 02:04:48,903 INFO L226 Difference]: Without dead ends: 364 [2020-10-27 02:04:48,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-27 02:04:48,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-10-27 02:04:48,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 342. [2020-10-27 02:04:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-10-27 02:04:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 463 transitions. [2020-10-27 02:04:48,983 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 463 transitions. Word has length 29 [2020-10-27 02:04:48,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:04:48,983 INFO L481 AbstractCegarLoop]: Abstraction has 342 states and 463 transitions. [2020-10-27 02:04:48,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 02:04:48,983 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 463 transitions. [2020-10-27 02:04:48,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-27 02:04:48,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:04:48,987 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] [2020-10-27 02:04:48,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:04:48,987 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:04:48,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:04:48,988 INFO L82 PathProgramCache]: Analyzing trace with hash -397096216, now seen corresponding path program 1 times [2020-10-27 02:04:48,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:04:48,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [220160799] [2020-10-27 02:04:48,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:04:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:49,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:49,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:49,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 02:04:49,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:49,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-27 02:04:49,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:04:49,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-27 02:04:49,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:04:49,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:49,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:04:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:49,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:49,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:49,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:49,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:49,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:04:49,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:49,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:49,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:49,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:49,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:49,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:04:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:49,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:49,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:49,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:49,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:49,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:04:49,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:49,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:49,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:49,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:49,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:49,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:04:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:49,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:49,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:49,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:49,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:49,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:04:49,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:49,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:49,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:49,409 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 02:04:49,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [220160799] [2020-10-27 02:04:49,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:04:49,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 02:04:49,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088768485] [2020-10-27 02:04:49,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 02:04:49,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:04:49,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 02:04:49,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 02:04:49,412 INFO L87 Difference]: Start difference. First operand 342 states and 463 transitions. Second operand 6 states. [2020-10-27 02:04:49,564 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-27 02:04:50,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:04:50,663 INFO L93 Difference]: Finished difference Result 346 states and 466 transitions. [2020-10-27 02:04:50,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 02:04:50,664 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-10-27 02:04:50,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:04:50,668 INFO L225 Difference]: With dead ends: 346 [2020-10-27 02:04:50,668 INFO L226 Difference]: Without dead ends: 341 [2020-10-27 02:04:50,669 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 02:04:50,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-10-27 02:04:50,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2020-10-27 02:04:50,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-10-27 02:04:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 460 transitions. [2020-10-27 02:04:50,716 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 460 transitions. Word has length 39 [2020-10-27 02:04:50,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:04:50,717 INFO L481 AbstractCegarLoop]: Abstraction has 341 states and 460 transitions. [2020-10-27 02:04:50,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 02:04:50,717 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 460 transitions. [2020-10-27 02:04:50,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 02:04:50,721 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:04:50,721 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 02:04:50,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 02:04:50,721 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:04:50,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:04:50,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1947652478, now seen corresponding path program 1 times [2020-10-27 02:04:50,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:04:50,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579723634] [2020-10-27 02:04:50,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:04:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:50,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:50,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:50,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:51,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:52,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:52,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-27 02:04:52,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:04:52,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2119 [2020-10-27 02:04:52,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:04:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 02:04:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 02:04:52,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:53,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:04:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:53,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:53,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:53,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:53,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:53,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:04:53,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:53,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:53,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:53,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:53,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:53,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:04:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:53,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:53,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:53,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:53,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:53,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:04:53,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:53,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:04:53,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:53,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:04:53,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:53,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:04:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:53,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:53,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:53,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:53,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:53,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:04:53,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:53,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:04:53,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:53,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:04:53,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:53,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:04:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:53,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:53,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:53,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:04:53,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:53,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:04:53,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:53,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:04:53,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:53,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:04:53,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:53,215 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 02:04:53,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579723634] [2020-10-27 02:04:53,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:04:53,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 02:04:53,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039348054] [2020-10-27 02:04:53,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 02:04:53,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:04:53,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 02:04:53,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 02:04:53,218 INFO L87 Difference]: Start difference. First operand 341 states and 460 transitions. Second operand 9 states. [2020-10-27 02:04:53,352 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-27 02:04:54,777 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-27 02:04:55,306 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 02:04:55,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:04:55,717 INFO L93 Difference]: Finished difference Result 519 states and 692 transitions. [2020-10-27 02:04:55,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 02:04:55,717 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2020-10-27 02:04:55,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:04:55,721 INFO L225 Difference]: With dead ends: 519 [2020-10-27 02:04:55,721 INFO L226 Difference]: Without dead ends: 436 [2020-10-27 02:04:55,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2020-10-27 02:04:55,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2020-10-27 02:04:55,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 397. [2020-10-27 02:04:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-10-27 02:04:55,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 527 transitions. [2020-10-27 02:04:55,778 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 527 transitions. Word has length 47 [2020-10-27 02:04:55,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:04:55,779 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 527 transitions. [2020-10-27 02:04:55,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 02:04:55,779 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 527 transitions. [2020-10-27 02:04:55,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 02:04:55,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:04:55,784 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 02:04:55,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 02:04:55,784 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:04:55,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:04:55,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1177383983, now seen corresponding path program 1 times [2020-10-27 02:04:55,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:04:55,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [373761493] [2020-10-27 02:04:55,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:04:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:55,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:55,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:56,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:56,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-27 02:04:56,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:04:56,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-10-27 02:04:56,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:56,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:04:56,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 02:04:56,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:04:56,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:56,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:04:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:56,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:56,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:56,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:56,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:56,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:04:56,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:56,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:56,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:04:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:56,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:56,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:56,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:56,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:56,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:04:56,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:56,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:56,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:04:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:56,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:56,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:56,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:56,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:56,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:04:56,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:56,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:56,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:56,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:56,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:56,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:04:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:56,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:56,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:56,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:04:56,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:56,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:04:56,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:04:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 02:04:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:04:56,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:56,578 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 02:04:56,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [373761493] [2020-10-27 02:04:56,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:04:56,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 02:04:56,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154396048] [2020-10-27 02:04:56,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 02:04:56,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:04:56,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 02:04:56,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-27 02:04:56,581 INFO L87 Difference]: Start difference. First operand 397 states and 527 transitions. Second operand 8 states. [2020-10-27 02:04:57,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:04:57,686 INFO L93 Difference]: Finished difference Result 443 states and 577 transitions. [2020-10-27 02:04:57,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 02:04:57,687 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 47 [2020-10-27 02:04:57,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:04:57,691 INFO L225 Difference]: With dead ends: 443 [2020-10-27 02:04:57,691 INFO L226 Difference]: Without dead ends: 378 [2020-10-27 02:04:57,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-27 02:04:57,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-10-27 02:04:57,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 359. [2020-10-27 02:04:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-10-27 02:04:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 474 transitions. [2020-10-27 02:04:57,731 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 474 transitions. Word has length 47 [2020-10-27 02:04:57,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:04:57,732 INFO L481 AbstractCegarLoop]: Abstraction has 359 states and 474 transitions. [2020-10-27 02:04:57,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 02:04:57,732 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 474 transitions. [2020-10-27 02:04:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-27 02:04:57,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:04:57,734 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 02:04:57,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 02:04:57,735 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:04:57,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:04:57,735 INFO L82 PathProgramCache]: Analyzing trace with hash -789486523, now seen corresponding path program 1 times [2020-10-27 02:04:57,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:04:57,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223887076] [2020-10-27 02:04:57,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:04:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:57,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:57,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:57,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:57,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:58,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:58,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-27 02:04:58,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:04:58,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-27 02:04:58,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:58,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:04:58,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 02:04:58,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 02:04:58,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:58,350 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 02:04:58,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:04:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:58,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:58,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:58,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:58,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:58,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:04:58,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:58,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:58,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:58,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:58,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:58,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:04:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:58,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:58,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:58,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:58,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:58,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:04:58,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:58,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:04:58,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:58,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:04:58,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:58,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:04:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:58,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:58,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:58,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:58,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:58,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:04:58,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:58,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:04:58,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:58,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:04:58,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:58,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:04:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:58,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:58,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:58,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 02:04:58,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:58,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 02:04:58,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:58,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:04:58,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:58,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 02:04:58,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:58,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:04:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:58,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:58,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:58,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:04:58,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:58,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:04:58,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:58,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:04:58,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:58,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 02:04:58,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:58,598 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 02:04:58,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223887076] [2020-10-27 02:04:58,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:04:58,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 02:04:58,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317715170] [2020-10-27 02:04:58,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 02:04:58,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:04:58,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 02:04:58,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-27 02:04:58,600 INFO L87 Difference]: Start difference. First operand 359 states and 474 transitions. Second operand 10 states. [2020-10-27 02:04:59,930 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-27 02:05:00,085 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 02:05:00,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:05:00,234 INFO L93 Difference]: Finished difference Result 393 states and 509 transitions. [2020-10-27 02:05:00,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 02:05:00,240 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 46 [2020-10-27 02:05:00,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:05:00,244 INFO L225 Difference]: With dead ends: 393 [2020-10-27 02:05:00,244 INFO L226 Difference]: Without dead ends: 387 [2020-10-27 02:05:00,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2020-10-27 02:05:00,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2020-10-27 02:05:00,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 373. [2020-10-27 02:05:00,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-10-27 02:05:00,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 490 transitions. [2020-10-27 02:05:00,284 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 490 transitions. Word has length 46 [2020-10-27 02:05:00,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:05:00,285 INFO L481 AbstractCegarLoop]: Abstraction has 373 states and 490 transitions. [2020-10-27 02:05:00,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 02:05:00,285 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 490 transitions. [2020-10-27 02:05:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 02:05:00,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:05:00,287 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 02:05:00,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 02:05:00,287 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:05:00,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:05:00,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1873050503, now seen corresponding path program 1 times [2020-10-27 02:05:00,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:05:00,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327334145] [2020-10-27 02:05:00,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:05:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:00,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:00,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:00,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:00,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:00,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:00,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 02:05:00,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:05:00,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 443 [2020-10-27 02:05:00,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:05:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 02:05:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 02:05:00,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:00,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:05:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:00,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:00,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:00,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:00,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:00,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:05:00,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:00,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:00,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:00,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:05:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:00,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:00,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:00,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:00,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:00,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:05:00,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:05:00,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:01,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:05:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:01,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:01,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:01,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:01,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:01,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:05:01,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:01,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:01,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:01,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:05:01,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:01,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:05:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:01,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:01,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:01,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 02:05:01,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:01,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 02:05:01,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:01,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:05:01,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:01,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 02:05:01,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:01,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:05:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:01,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:01,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:01,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:05:01,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:01,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:01,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:01,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:01,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:01,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 02:05:01,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:01,139 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 02:05:01,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327334145] [2020-10-27 02:05:01,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:05:01,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 02:05:01,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301419780] [2020-10-27 02:05:01,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 02:05:01,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:05:01,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 02:05:01,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-27 02:05:01,141 INFO L87 Difference]: Start difference. First operand 373 states and 490 transitions. Second operand 11 states. [2020-10-27 02:05:01,486 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 02:05:02,981 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-10-27 02:05:03,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:05:03,362 INFO L93 Difference]: Finished difference Result 387 states and 503 transitions. [2020-10-27 02:05:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 02:05:03,362 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 47 [2020-10-27 02:05:03,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:05:03,365 INFO L225 Difference]: With dead ends: 387 [2020-10-27 02:05:03,365 INFO L226 Difference]: Without dead ends: 381 [2020-10-27 02:05:03,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-10-27 02:05:03,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-10-27 02:05:03,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 374. [2020-10-27 02:05:03,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-27 02:05:03,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 491 transitions. [2020-10-27 02:05:03,407 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 491 transitions. Word has length 47 [2020-10-27 02:05:03,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:05:03,408 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 491 transitions. [2020-10-27 02:05:03,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 02:05:03,408 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 491 transitions. [2020-10-27 02:05:03,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-27 02:05:03,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:05:03,410 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] [2020-10-27 02:05:03,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 02:05:03,411 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:05:03,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:05:03,411 INFO L82 PathProgramCache]: Analyzing trace with hash -188257329, now seen corresponding path program 1 times [2020-10-27 02:05:03,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:05:03,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [574292523] [2020-10-27 02:05:03,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:05:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:03,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:03,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:03,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:03,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:03,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-27 02:05:03,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:05:03,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-27 02:05:03,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:03,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:03,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 02:05:03,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 02:05:03,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:03,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:05:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:03,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:03,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:03,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:03,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:03,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:05:03,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:03,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:03,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:03,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:03,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:03,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:05:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:03,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:03,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:03,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:03,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:03,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:05:03,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:03,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:03,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:03,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:03,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:03,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:05:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:03,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:03,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:03,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:03,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:03,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:03,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:03,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:03,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:03,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:05:03,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:03,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:05:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:03,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:03,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:03,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 02:05:03,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:03,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 02:05:03,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:03,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:03,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:03,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 02:05:03,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:03,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:05:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:03,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:03,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:03,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:05:03,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:03,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:03,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:03,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:03,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:03,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:03,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:03,898 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 02:05:03,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [574292523] [2020-10-27 02:05:03,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:05:03,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 02:05:03,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109983622] [2020-10-27 02:05:03,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 02:05:03,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:05:03,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 02:05:03,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-27 02:05:03,900 INFO L87 Difference]: Start difference. First operand 374 states and 491 transitions. Second operand 8 states. [2020-10-27 02:05:05,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:05:05,089 INFO L93 Difference]: Finished difference Result 394 states and 516 transitions. [2020-10-27 02:05:05,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 02:05:05,090 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-10-27 02:05:05,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:05:05,092 INFO L225 Difference]: With dead ends: 394 [2020-10-27 02:05:05,092 INFO L226 Difference]: Without dead ends: 121 [2020-10-27 02:05:05,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-10-27 02:05:05,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-10-27 02:05:05,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2020-10-27 02:05:05,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-27 02:05:05,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2020-10-27 02:05:05,111 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 48 [2020-10-27 02:05:05,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:05:05,112 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2020-10-27 02:05:05,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 02:05:05,112 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2020-10-27 02:05:05,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 02:05:05,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:05:05,113 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] [2020-10-27 02:05:05,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 02:05:05,113 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:05:05,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:05:05,114 INFO L82 PathProgramCache]: Analyzing trace with hash -423326175, now seen corresponding path program 1 times [2020-10-27 02:05:05,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:05:05,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [682115524] [2020-10-27 02:05:05,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:05:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:05,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:05,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:05,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 02:05:05,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:05,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 02:05:05,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:05,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:05,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 02:05:05,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:05:05,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:05,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:05:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:05,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:05,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:05,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:05,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:05,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:05:05,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:05,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:05,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:05,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:05,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:05,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:05:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:05,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:05,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:05,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:05,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:05,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:05:05,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:05,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:05,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:05,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:05,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:05,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:05:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:05,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:05,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:05,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:05,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:05,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:05:05,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:05,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:05,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:05,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:05,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:05,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 02:05:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:05,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:05,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:05,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:05:05,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:05,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:05:05,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:05,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:05,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:05,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:05,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:05,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:05:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:05,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:05,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:05,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:05,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:05,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:05:05,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:05,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:05,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:05,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:05,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:05,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 02:05:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:05,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:05,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:05,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:05,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:05,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:05,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:05,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:05,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:05,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:05:05,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:05,505 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 02:05:05,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [682115524] [2020-10-27 02:05:05,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:05:05,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 02:05:05,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78943984] [2020-10-27 02:05:05,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 02:05:05,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:05:05,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 02:05:05,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 02:05:05,508 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 8 states. [2020-10-27 02:05:05,646 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-27 02:05:05,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:05:05,932 INFO L93 Difference]: Finished difference Result 152 states and 174 transitions. [2020-10-27 02:05:05,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 02:05:05,933 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-10-27 02:05:05,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:05:05,934 INFO L225 Difference]: With dead ends: 152 [2020-10-27 02:05:05,934 INFO L226 Difference]: Without dead ends: 119 [2020-10-27 02:05:05,935 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 02:05:05,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-27 02:05:05,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-10-27 02:05:05,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-27 02:05:05,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 134 transitions. [2020-10-27 02:05:05,952 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 134 transitions. Word has length 54 [2020-10-27 02:05:05,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:05:05,953 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 134 transitions. [2020-10-27 02:05:05,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 02:05:05,953 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 134 transitions. [2020-10-27 02:05:05,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-27 02:05:05,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:05:05,954 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] [2020-10-27 02:05:05,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 02:05:05,954 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:05:05,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:05:05,955 INFO L82 PathProgramCache]: Analyzing trace with hash 836849471, now seen corresponding path program 1 times [2020-10-27 02:05:05,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:05:05,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872796809] [2020-10-27 02:05:05,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:05:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:05,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:06,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:06,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:06,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 02:05:06,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:05:06,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 827 [2020-10-27 02:05:06,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:06,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:05:06,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-27 02:05:06,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:05:06,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:06,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:05:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:06,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:06,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:06,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:06,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:06,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:05:06,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:06,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:06,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:06,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:06,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:06,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:05:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:06,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:06,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:06,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:06,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:06,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:06,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:06,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:06,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:06,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:06,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:06,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:05:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:06,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:06,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:06,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:06,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:06,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:05:06,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:07,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:07,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:07,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:07,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:07,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:05:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:07,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:07,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:07,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 02:05:07,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:07,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 02:05:07,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:07,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:05:07,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:05:07,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:05:07,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:07,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:05:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:07,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:07,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:07,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:05:07,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:07,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:05:07,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:07,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:05:07,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:07,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:05:07,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:07,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:05:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:07,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:07,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:07,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:07,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:07,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:07,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:07,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:07,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:07,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:07,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:07,129 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 02:05:07,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872796809] [2020-10-27 02:05:07,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:05:07,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 02:05:07,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414338291] [2020-10-27 02:05:07,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 02:05:07,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:05:07,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 02:05:07,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 02:05:07,131 INFO L87 Difference]: Start difference. First operand 119 states and 134 transitions. Second operand 10 states. [2020-10-27 02:05:07,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:05:07,532 INFO L93 Difference]: Finished difference Result 146 states and 164 transitions. [2020-10-27 02:05:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 02:05:07,532 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-10-27 02:05:07,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:05:07,533 INFO L225 Difference]: With dead ends: 146 [2020-10-27 02:05:07,533 INFO L226 Difference]: Without dead ends: 112 [2020-10-27 02:05:07,534 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 02:05:07,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-27 02:05:07,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-10-27 02:05:07,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-27 02:05:07,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 124 transitions. [2020-10-27 02:05:07,549 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 124 transitions. Word has length 58 [2020-10-27 02:05:07,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:05:07,549 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 124 transitions. [2020-10-27 02:05:07,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 02:05:07,549 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 124 transitions. [2020-10-27 02:05:07,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 02:05:07,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:05:07,550 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] [2020-10-27 02:05:07,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 02:05:07,551 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:05:07,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:05:07,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1980830106, now seen corresponding path program 1 times [2020-10-27 02:05:07,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:05:07,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796376940] [2020-10-27 02:05:07,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:05:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:07,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:07,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:08,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:08,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 02:05:08,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:05:08,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 642 [2020-10-27 02:05:08,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:05:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 02:05:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 02:05:08,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:08,388 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 02:05:08,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:05:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:08,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:08,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:08,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:08,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:08,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:05:08,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:08,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:08,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:08,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:08,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:08,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:05:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:08,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:08,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:08,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:08,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:08,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:05:08,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:08,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:08,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:08,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:05:08,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:08,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:05:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:08,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:08,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:08,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:08,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:08,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:05:08,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:08,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:08,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:08,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:05:08,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:08,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:05:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:08,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:08,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:08,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:05:08,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:08,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 02:05:08,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:08,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:05:08,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 02:05:08,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:05:08,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:05:08,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:05:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:08,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:08,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:08,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:05:08,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:08,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:05:08,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:08,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:08,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:08,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:08,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:08,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:05:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:08,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:08,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:08,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:08,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:08,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:05:08,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:08,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:08,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:08,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:08,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:08,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:05:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:08,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:08,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:08,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:08,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:08,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:05:08,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:08,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:05:08,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:08,763 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 02:05:08,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [796376940] [2020-10-27 02:05:08,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:05:08,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 02:05:08,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888828531] [2020-10-27 02:05:08,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 02:05:08,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:05:08,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 02:05:08,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-27 02:05:08,766 INFO L87 Difference]: Start difference. First operand 112 states and 124 transitions. Second operand 12 states. [2020-10-27 02:05:08,918 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 02:05:09,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:05:09,354 INFO L93 Difference]: Finished difference Result 123 states and 136 transitions. [2020-10-27 02:05:09,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 02:05:09,355 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 62 [2020-10-27 02:05:09,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:05:09,356 INFO L225 Difference]: With dead ends: 123 [2020-10-27 02:05:09,356 INFO L226 Difference]: Without dead ends: 96 [2020-10-27 02:05:09,357 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-10-27 02:05:09,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-10-27 02:05:09,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2020-10-27 02:05:09,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-27 02:05:09,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 105 transitions. [2020-10-27 02:05:09,373 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 105 transitions. Word has length 62 [2020-10-27 02:05:09,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:05:09,373 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 105 transitions. [2020-10-27 02:05:09,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 02:05:09,373 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2020-10-27 02:05:09,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 02:05:09,374 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:05:09,374 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 02:05:09,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 02:05:09,375 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:05:09,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:05:09,375 INFO L82 PathProgramCache]: Analyzing trace with hash 995460577, now seen corresponding path program 1 times [2020-10-27 02:05:09,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:05:09,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1612279536] [2020-10-27 02:05:09,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:05:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:09,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:09,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:09,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:09,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:10,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:10,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 02:05:10,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:05:10,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 794 [2020-10-27 02:05:10,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:10,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:10,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-27 02:05:10,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:05:10,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:10,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:05:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:10,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:10,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:10,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:10,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:10,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:05:10,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:10,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:10,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:05:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:10,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:10,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:10,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:10,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:10,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:10,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:10,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:10,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:10,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:10,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:10,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:05:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:10,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:10,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:10,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:10,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:10,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:10,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:10,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:10,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:10,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:10,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:10,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:05:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:10,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:10,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:10,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 02:05:10,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:10,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 02:05:10,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-27 02:05:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:05:10,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:10,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:05:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:10,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:10,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:10,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:05:10,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:10,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:10,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:10,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:10,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:10,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:10,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:10,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:05:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:10,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:10,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:10,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:10,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:10,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:10,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:10,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:10,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:10,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:10,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:10,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:05:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:10,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:10,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:10,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:10,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:10,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:10,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:10,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:10,538 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 02:05:10,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1612279536] [2020-10-27 02:05:10,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:05:10,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 02:05:10,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446916632] [2020-10-27 02:05:10,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 02:05:10,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:05:10,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 02:05:10,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-27 02:05:10,544 INFO L87 Difference]: Start difference. First operand 96 states and 105 transitions. Second operand 9 states. [2020-10-27 02:05:10,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:05:10,845 INFO L93 Difference]: Finished difference Result 133 states and 148 transitions. [2020-10-27 02:05:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 02:05:10,845 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-10-27 02:05:10,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:05:10,846 INFO L225 Difference]: With dead ends: 133 [2020-10-27 02:05:10,847 INFO L226 Difference]: Without dead ends: 102 [2020-10-27 02:05:10,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-27 02:05:10,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-27 02:05:10,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 99. [2020-10-27 02:05:10,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-27 02:05:10,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 108 transitions. [2020-10-27 02:05:10,865 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 108 transitions. Word has length 64 [2020-10-27 02:05:10,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:05:10,866 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 108 transitions. [2020-10-27 02:05:10,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 02:05:10,866 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 108 transitions. [2020-10-27 02:05:10,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-27 02:05:10,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:05:10,867 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] [2020-10-27 02:05:10,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 02:05:10,867 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:05:10,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:05:10,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1670518176, now seen corresponding path program 1 times [2020-10-27 02:05:10,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:05:10,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965015874] [2020-10-27 02:05:10,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:05:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:10,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:10,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:11,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:11,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:11,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:12,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:12,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 02:05:12,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:05:12,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2033 [2020-10-27 02:05:12,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:12,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:05:12,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 02:05:12,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 02:05:12,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:13,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:05:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:13,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:13,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:13,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:13,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:13,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:05:13,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:13,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:13,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:13,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:13,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:13,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:05:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:13,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:13,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:13,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:13,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:13,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:05:13,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:13,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:13,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:13,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:05:13,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:13,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:05:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:13,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:13,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:13,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:13,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:13,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:05:13,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:13,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:13,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:13,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:05:13,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:13,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:05:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:13,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:13,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:13,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 02:05:13,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:13,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 02:05:13,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:13,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:05:13,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:13,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 02:05:13,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:13,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:05:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:13,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:13,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:13,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:05:13,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:13,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:13,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:13,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:13,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:13,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:13,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:13,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:05:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:13,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:13,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:13,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:13,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:13,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:13,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:13,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:13,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:13,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:13,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:13,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:05:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:13,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:13,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:13,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:13,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:13,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:13,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:13,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:13,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:13,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:13,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:13,285 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 02:05:13,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965015874] [2020-10-27 02:05:13,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:05:13,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 02:05:13,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312405374] [2020-10-27 02:05:13,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 02:05:13,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:05:13,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 02:05:13,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-27 02:05:13,287 INFO L87 Difference]: Start difference. First operand 99 states and 108 transitions. Second operand 11 states. [2020-10-27 02:05:13,680 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-10-27 02:05:14,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:05:14,208 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2020-10-27 02:05:14,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 02:05:14,209 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 65 [2020-10-27 02:05:14,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:05:14,210 INFO L225 Difference]: With dead ends: 103 [2020-10-27 02:05:14,210 INFO L226 Difference]: Without dead ends: 84 [2020-10-27 02:05:14,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2020-10-27 02:05:14,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-27 02:05:14,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-10-27 02:05:14,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-27 02:05:14,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 91 transitions. [2020-10-27 02:05:14,225 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 91 transitions. Word has length 65 [2020-10-27 02:05:14,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:05:14,225 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 91 transitions. [2020-10-27 02:05:14,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 02:05:14,225 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2020-10-27 02:05:14,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-27 02:05:14,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:05:14,226 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] [2020-10-27 02:05:14,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 02:05:14,226 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:05:14,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:05:14,227 INFO L82 PathProgramCache]: Analyzing trace with hash 147506076, now seen corresponding path program 1 times [2020-10-27 02:05:14,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:05:14,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979606760] [2020-10-27 02:05:14,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:05:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:14,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:14,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:14,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:14,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:14,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 02:05:14,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:05:14,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 545 [2020-10-27 02:05:14,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 02:05:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:05:14,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:14,921 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 02:05:14,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:05:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:14,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:14,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:14,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:14,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:14,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:05:14,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:14,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:14,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:14,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:14,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:14,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:05:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:14,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:14,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:14,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:14,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:14,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:14,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:14,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:14,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:14,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:14,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:15,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:05:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:15,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:15,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:15,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:15,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:15,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:05:15,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:15,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:15,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:15,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:15,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:15,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:05:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:15,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:15,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:15,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:05:15,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:15,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 02:05:15,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:15,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:15,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 02:05:15,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:05:15,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:15,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:05:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:15,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:15,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:15,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:05:15,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:15,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:15,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:15,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:15,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:15,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:15,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:15,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:05:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:15,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:15,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:15,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:15,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:15,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:15,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:15,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:15,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:15,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:15,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:15,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:05:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:15,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:15,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:15,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:15,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:15,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:15,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:15,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:15,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:15,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:15,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:15,112 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 02:05:15,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1979606760] [2020-10-27 02:05:15,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:05:15,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 02:05:15,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494693747] [2020-10-27 02:05:15,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 02:05:15,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:05:15,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 02:05:15,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-27 02:05:15,115 INFO L87 Difference]: Start difference. First operand 84 states and 91 transitions. Second operand 9 states. [2020-10-27 02:05:15,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:05:15,353 INFO L93 Difference]: Finished difference Result 118 states and 130 transitions. [2020-10-27 02:05:15,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 02:05:15,354 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-10-27 02:05:15,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:05:15,355 INFO L225 Difference]: With dead ends: 118 [2020-10-27 02:05:15,355 INFO L226 Difference]: Without dead ends: 83 [2020-10-27 02:05:15,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-27 02:05:15,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-27 02:05:15,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-27 02:05:15,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-27 02:05:15,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 89 transitions. [2020-10-27 02:05:15,376 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 89 transitions. Word has length 65 [2020-10-27 02:05:15,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:05:15,376 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 89 transitions. [2020-10-27 02:05:15,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 02:05:15,376 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2020-10-27 02:05:15,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-27 02:05:15,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:05:15,378 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] [2020-10-27 02:05:15,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 02:05:15,379 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:05:15,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:05:15,380 INFO L82 PathProgramCache]: Analyzing trace with hash 859980764, now seen corresponding path program 1 times [2020-10-27 02:05:15,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:05:15,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [189008072] [2020-10-27 02:05:15,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:05:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:15,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:15,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:15,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:15,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:15,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:15,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 02:05:15,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:05:15,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 512 [2020-10-27 02:05:15,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:05:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 02:05:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 02:05:15,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:16,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:05:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:16,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:16,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:16,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:16,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:16,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:05:16,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:16,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:16,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:05:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:16,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:16,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:16,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:16,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:16,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:16,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:16,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:16,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:16,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:16,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:16,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:05:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:16,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:16,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:16,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:16,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:16,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:05:16,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:16,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:16,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:05:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:16,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:16,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:16,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:16,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:05:16,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:05:16,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-27 02:05:16,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:16,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:05:16,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:16,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 02:05:16,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:16,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:05:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:16,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:16,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:16,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:05:16,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:16,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:05:16,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:16,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:16,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:16,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:16,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:16,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:05:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:16,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:16,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:16,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:16,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:16,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:16,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:16,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:16,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:16,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:16,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:16,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:05:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:16,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:16,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:16,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:16,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:16,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:05:16,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:16,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:16,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:16,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:16,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:16,450 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 02:05:16,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [189008072] [2020-10-27 02:05:16,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:05:16,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 02:05:16,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669086113] [2020-10-27 02:05:16,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 02:05:16,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:05:16,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 02:05:16,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-27 02:05:16,452 INFO L87 Difference]: Start difference. First operand 83 states and 89 transitions. Second operand 12 states. [2020-10-27 02:05:16,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:05:16,910 INFO L93 Difference]: Finished difference Result 91 states and 96 transitions. [2020-10-27 02:05:16,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 02:05:16,911 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 65 [2020-10-27 02:05:16,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:05:16,911 INFO L225 Difference]: With dead ends: 91 [2020-10-27 02:05:16,912 INFO L226 Difference]: Without dead ends: 83 [2020-10-27 02:05:16,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-27 02:05:16,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-27 02:05:16,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-27 02:05:16,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-27 02:05:16,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 88 transitions. [2020-10-27 02:05:16,925 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 88 transitions. Word has length 65 [2020-10-27 02:05:16,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:05:16,925 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 88 transitions. [2020-10-27 02:05:16,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 02:05:16,925 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2020-10-27 02:05:16,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-27 02:05:16,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:05:16,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:05:16,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 02:05:16,927 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:05:16,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:05:16,927 INFO L82 PathProgramCache]: Analyzing trace with hash -295561405, now seen corresponding path program 1 times [2020-10-27 02:05:16,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:05:16,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2087296512] [2020-10-27 02:05:16,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:05:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:16,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:17,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:17,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 02:05:17,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:17,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-27 02:05:17,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:05:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 02:05:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 02:05:17,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:17,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:05:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:17,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:17,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:17,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:17,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:17,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:05:17,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:17,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:17,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:05:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:17,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:17,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:17,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:17,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:17,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:17,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:17,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:17,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:17,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:17,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:17,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:05:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:17,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:17,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:17,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:17,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:17,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:17,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:17,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:17,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:05:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:17,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:17,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:17,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:05:17,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:17,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:05:17,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:17,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:17,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:17,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:05:17,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:17,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:05:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:17,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:17,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:17,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:05:17,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:17,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:05:17,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:05:17,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:17,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:05:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:17,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:17,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:17,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:17,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:17,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:17,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:17,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:17,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:17,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:05:17,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:17,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:05:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:17,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:17,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:17,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:17,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:17,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:05:17,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:17,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:17,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:17,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:05:17,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:17,415 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 02:05:17,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2087296512] [2020-10-27 02:05:17,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:05:17,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 02:05:17,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368463975] [2020-10-27 02:05:17,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 02:05:17,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:05:17,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 02:05:17,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-27 02:05:17,417 INFO L87 Difference]: Start difference. First operand 83 states and 88 transitions. Second operand 9 states. [2020-10-27 02:05:17,658 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 02:05:17,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:05:17,732 INFO L93 Difference]: Finished difference Result 100 states and 106 transitions. [2020-10-27 02:05:17,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 02:05:17,733 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-10-27 02:05:17,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:05:17,733 INFO L225 Difference]: With dead ends: 100 [2020-10-27 02:05:17,734 INFO L226 Difference]: Without dead ends: 79 [2020-10-27 02:05:17,734 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 02:05:17,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-27 02:05:17,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-10-27 02:05:17,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-27 02:05:17,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 82 transitions. [2020-10-27 02:05:17,746 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 82 transitions. Word has length 66 [2020-10-27 02:05:17,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:05:17,746 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 82 transitions. [2020-10-27 02:05:17,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 02:05:17,746 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 82 transitions. [2020-10-27 02:05:17,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-27 02:05:17,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:05:17,747 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:05:17,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 02:05:17,747 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:05:17,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:05:17,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1021078826, now seen corresponding path program 1 times [2020-10-27 02:05:17,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:05:17,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [677402302] [2020-10-27 02:05:17,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:05:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:17,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:17,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:17,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:18,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:18,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 02:05:18,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:05:18,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 911 [2020-10-27 02:05:18,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:18,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:05:18,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 02:05:18,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 02:05:18,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:18,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:05:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:18,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:18,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:18,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:18,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:18,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:05:18,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:18,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:18,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:05:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:18,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:18,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:18,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:18,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:18,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:05:18,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:18,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:18,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:18,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:18,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:18,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:05:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:18,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:18,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:18,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:18,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:18,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:18,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:18,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:18,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:18,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:05:18,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:18,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:05:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:18,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:18,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:18,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:05:18,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:18,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:05:18,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:18,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:18,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 02:05:18,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:18,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:05:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:18,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:18,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:18,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:05:18,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:18,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:18,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:18,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:18,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:18,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:18,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:18,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:05:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:18,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:18,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:18,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:18,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:18,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:05:18,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:18,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:18,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:18,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:18,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:18,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:05:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:18,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:18,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:18,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:18,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:18,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:18,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:18,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:18,997 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 02:05:18,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [677402302] [2020-10-27 02:05:19,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:05:19,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 02:05:19,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96061919] [2020-10-27 02:05:19,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 02:05:19,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:05:19,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 02:05:19,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-27 02:05:19,005 INFO L87 Difference]: Start difference. First operand 79 states and 82 transitions. Second operand 9 states. [2020-10-27 02:05:19,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:05:19,417 INFO L93 Difference]: Finished difference Result 147 states and 152 transitions. [2020-10-27 02:05:19,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 02:05:19,418 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-10-27 02:05:19,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:05:19,419 INFO L225 Difference]: With dead ends: 147 [2020-10-27 02:05:19,419 INFO L226 Difference]: Without dead ends: 139 [2020-10-27 02:05:19,420 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 02:05:19,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-27 02:05:19,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 138. [2020-10-27 02:05:19,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-27 02:05:19,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 143 transitions. [2020-10-27 02:05:19,441 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 143 transitions. Word has length 66 [2020-10-27 02:05:19,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:05:19,441 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 143 transitions. [2020-10-27 02:05:19,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 02:05:19,441 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 143 transitions. [2020-10-27 02:05:19,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-27 02:05:19,443 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:05:19,443 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:05:19,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 02:05:19,444 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:05:19,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:05:19,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1830425452, now seen corresponding path program 1 times [2020-10-27 02:05:19,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:05:19,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [360271744] [2020-10-27 02:05:19,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:05:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:19,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:19,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:19,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:19,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 02:05:19,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:05:19,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 505 [2020-10-27 02:05:19,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:05:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 02:05:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:05:19,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:20,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:05:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:20,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:20,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:20,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:20,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:20,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:05:20,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:20,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:20,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:20,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:05:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:20,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:20,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:20,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:20,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:20,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:05:20,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:20,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:20,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:20,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:20,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:20,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:05:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:20,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:20,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:20,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:20,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:20,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:05:20,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:20,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:20,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:20,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:20,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:20,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:05:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:20,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:20,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:20,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:20,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:05:20,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:05:20,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 02:05:20,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:20,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:05:20,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:20,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 02:05:20,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:20,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:05:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:20,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:20,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:20,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:05:20,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:20,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:20,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:20,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:20,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:20,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:20,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:20,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:05:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:20,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:20,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:20,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:20,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:20,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:20,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:20,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:20,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:20,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:20,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:20,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:05:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:20,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:20,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:20,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:20,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:20,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:20,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:20,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:20,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:20,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:20,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:20,419 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 02:05:20,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [360271744] [2020-10-27 02:05:20,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:05:20,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 02:05:20,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423196833] [2020-10-27 02:05:20,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 02:05:20,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:05:20,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 02:05:20,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-27 02:05:20,422 INFO L87 Difference]: Start difference. First operand 138 states and 143 transitions. Second operand 12 states. [2020-10-27 02:05:20,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:05:20,750 INFO L93 Difference]: Finished difference Result 150 states and 155 transitions. [2020-10-27 02:05:20,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 02:05:20,751 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 66 [2020-10-27 02:05:20,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:05:20,752 INFO L225 Difference]: With dead ends: 150 [2020-10-27 02:05:20,752 INFO L226 Difference]: Without dead ends: 138 [2020-10-27 02:05:20,753 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 02:05:20,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-27 02:05:20,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-10-27 02:05:20,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-27 02:05:20,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 141 transitions. [2020-10-27 02:05:20,773 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 141 transitions. Word has length 66 [2020-10-27 02:05:20,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:05:20,773 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 141 transitions. [2020-10-27 02:05:20,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 02:05:20,774 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 141 transitions. [2020-10-27 02:05:20,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-27 02:05:20,775 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:05:20,775 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:05:20,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 02:05:20,775 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:05:20,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:05:20,776 INFO L82 PathProgramCache]: Analyzing trace with hash 281047691, now seen corresponding path program 1 times [2020-10-27 02:05:20,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:05:20,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1019972601] [2020-10-27 02:05:20,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:05:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:20,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:20,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:21,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:21,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 02:05:21,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:05:21,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 424 [2020-10-27 02:05:21,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:05:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 02:05:21,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:05:21,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:21,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:05:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:21,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:21,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:21,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:21,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:21,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:05:21,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:21,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:21,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:21,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:05:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:21,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:21,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:21,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:21,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:21,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:21,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:21,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:21,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:21,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:21,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:21,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:05:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:21,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:21,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:21,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:21,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:21,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:21,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:21,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:21,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:21,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:21,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:21,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:05:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:21,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:21,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:21,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:05:21,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:21,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 02:05:21,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:21,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:21,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:21,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 02:05:21,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:21,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 02:05:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:21,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:21,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:21,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:05:21,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:21,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:21,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:21,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:21,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:21,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:05:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:21,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:21,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:21,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:21,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:21,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:05:21,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:21,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:21,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:21,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:21,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:21,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:05:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:21,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:21,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:21,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:21,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:21,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:21,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:21,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:21,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:21,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:21,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 02:05:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:21,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:21,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:21,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:21,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:05:21,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:05:21,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:05:21,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:21,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:05:21,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:05:21,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:05:21,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:21,605 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 02:05:21,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1019972601] [2020-10-27 02:05:21,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:05:21,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 02:05:21,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764329391] [2020-10-27 02:05:21,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 02:05:21,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:05:21,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 02:05:21,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-27 02:05:21,607 INFO L87 Difference]: Start difference. First operand 138 states and 141 transitions. Second operand 11 states. [2020-10-27 02:05:21,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:05:21,898 INFO L93 Difference]: Finished difference Result 138 states and 141 transitions. [2020-10-27 02:05:21,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 02:05:21,899 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 77 [2020-10-27 02:05:21,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:05:21,900 INFO L225 Difference]: With dead ends: 138 [2020-10-27 02:05:21,900 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 02:05:21,901 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 02:05:21,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 02:05:21,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 02:05:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 02:05:21,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 02:05:21,901 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2020-10-27 02:05:21,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:05:21,902 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 02:05:21,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 02:05:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 02:05:21,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 02:05:21,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 02:05:21,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 02:05:23,573 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 53 [2020-10-27 02:05:23,861 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2020-10-27 02:05:23,982 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 48 [2020-10-27 02:05:24,122 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 31 [2020-10-27 02:05:24,509 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 49 [2020-10-27 02:05:24,710 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2020-10-27 02:05:25,232 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 30 [2020-10-27 02:05:25,608 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 47 [2020-10-27 02:05:25,806 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2020-10-27 02:05:26,111 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2020-10-27 02:05:26,259 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-10-27 02:05:26,798 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 48 [2020-10-27 02:05:27,061 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2020-10-27 02:05:27,304 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 47 [2020-10-27 02:05:27,445 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2020-10-27 02:05:27,900 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 47 [2020-10-27 02:05:28,351 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 63 [2020-10-27 02:05:28,481 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2020-10-27 02:05:28,944 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 53 [2020-10-27 02:05:29,059 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2020-10-27 02:05:29,285 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 47 [2020-10-27 02:05:29,502 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2020-10-27 02:05:29,837 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 36 [2020-10-27 02:05:30,150 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2020-10-27 02:05:30,605 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2020-10-27 02:05:30,725 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2020-10-27 02:05:31,096 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-10-27 02:05:31,265 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2020-10-27 02:05:31,622 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 47 [2020-10-27 02:05:31,874 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2020-10-27 02:05:32,115 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2020-10-27 02:05:32,252 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 31 [2020-10-27 02:05:32,457 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2020-10-27 02:05:32,585 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 31 [2020-10-27 02:05:32,725 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2020-10-27 02:05:32,951 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 31 [2020-10-27 02:05:33,060 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2020-10-27 02:05:33,201 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 31 [2020-10-27 02:05:33,507 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 47 [2020-10-27 02:05:33,645 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 31 [2020-10-27 02:05:33,852 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-10-27 02:05:33,991 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 31 [2020-10-27 02:05:34,238 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 31 [2020-10-27 02:05:34,350 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2020-10-27 02:05:34,686 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 46 [2020-10-27 02:05:34,932 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2020-10-27 02:05:35,197 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 54 [2020-10-27 02:05:35,550 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 47 [2020-10-27 02:05:35,869 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2020-10-27 02:05:36,002 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2020-10-27 02:05:36,141 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 31 [2020-10-27 02:05:36,147 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 02:05:36,147 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 02:05:36,147 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 02:05:36,147 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 02:05:36,148 INFO L270 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~SKIP2~0 ~DC~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (= ~MPR3~0 ~IPC~0) (not (= ~s~0 ~NP~0))) [2020-10-27 02:05:36,148 INFO L270 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 618 628) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~SKIP2~0 ~DC~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (= ~MPR3~0 ~IPC~0) (not (= ~s~0 ~NP~0))) [2020-10-27 02:05:36,148 INFO L274 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-10-27 02:05:36,148 INFO L274 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 618 628) no Hoare annotation was computed. [2020-10-27 02:05:36,148 INFO L274 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 618 628) no Hoare annotation was computed. [2020-10-27 02:05:36,148 INFO L270 CegarLoopResult]: At program point KeSetEventENTRY(lines 568 575) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~SKIP2~0 ~DC~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (= ~MPR3~0 ~IPC~0) (not (= ~s~0 ~NP~0))) [2020-10-27 02:05:36,148 INFO L274 CegarLoopResult]: For program point KeSetEventFINAL(lines 568 575) no Hoare annotation was computed. [2020-10-27 02:05:36,148 INFO L274 CegarLoopResult]: For program point KeSetEventEXIT(lines 568 575) no Hoare annotation was computed. [2020-10-27 02:05:36,148 INFO L274 CegarLoopResult]: For program point L700(lines 700 729) no Hoare annotation was computed. [2020-10-27 02:05:36,148 INFO L274 CegarLoopResult]: For program point KbFilter_PowerEXIT(lines 689 744) no Hoare annotation was computed. [2020-10-27 02:05:36,148 INFO L274 CegarLoopResult]: For program point L709(lines 709 726) no Hoare annotation was computed. [2020-10-27 02:05:36,148 INFO L270 CegarLoopResult]: At program point L740(line 740) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (= ~SKIP1~0 ~s~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,149 INFO L270 CegarLoopResult]: At program point KbFilter_PowerENTRY(lines 689 744) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,149 INFO L274 CegarLoopResult]: For program point L740-1(line 740) no Hoare annotation was computed. [2020-10-27 02:05:36,149 INFO L274 CegarLoopResult]: For program point L703(lines 703 728) no Hoare annotation was computed. [2020-10-27 02:05:36,149 INFO L270 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,149 INFO L270 CegarLoopResult]: At program point L701(lines 700 729) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,149 INFO L274 CegarLoopResult]: For program point L734-1(lines 730 736) no Hoare annotation was computed. [2020-10-27 02:05:36,149 INFO L270 CegarLoopResult]: At program point L724(lines 699 743) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,150 INFO L274 CegarLoopResult]: For program point KbFilter_PowerFINAL(lines 689 744) no Hoare annotation was computed. [2020-10-27 02:05:36,150 INFO L274 CegarLoopResult]: For program point L706(lines 706 727) no Hoare annotation was computed. [2020-10-27 02:05:36,150 INFO L274 CegarLoopResult]: For program point stub_driver_initEXIT(lines 43 56) no Hoare annotation was computed. [2020-10-27 02:05:36,150 INFO L270 CegarLoopResult]: At program point stub_driver_initENTRY(lines 43 56) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~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 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (<= |old(~pended~0)| 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,150 INFO L274 CegarLoopResult]: For program point stub_driver_initFINAL(lines 43 56) no Hoare annotation was computed. [2020-10-27 02:05:36,150 INFO L274 CegarLoopResult]: For program point _BLAST_initFINAL(lines 57 78) no Hoare annotation was computed. [2020-10-27 02:05:36,150 INFO L270 CegarLoopResult]: At program point _BLAST_initENTRY(lines 57 78) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~DC~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) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~s~0 ~DC~0) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0) (= ~MPR1~0 ~NP~0)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-27 02:05:36,150 INFO L274 CegarLoopResult]: For program point _BLAST_initEXIT(lines 57 78) no Hoare annotation was computed. [2020-10-27 02:05:36,151 INFO L277 CegarLoopResult]: At program point errorFnENTRY(lines 1009 1016) the Hoare annotation is: true [2020-10-27 02:05:36,151 INFO L274 CegarLoopResult]: For program point errorFnFINAL(lines 1009 1016) no Hoare annotation was computed. [2020-10-27 02:05:36,151 INFO L274 CegarLoopResult]: For program point errorFnEXIT(lines 1009 1016) no Hoare annotation was computed. [2020-10-27 02:05:36,151 INFO L274 CegarLoopResult]: For program point L1013(line 1013) no Hoare annotation was computed. [2020-10-27 02:05:36,151 INFO L274 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-10-27 02:05:36,151 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 295 466) no Hoare annotation was computed. [2020-10-27 02:05:36,151 INFO L270 CegarLoopResult]: At program point L374(lines 373 408) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= (+ ~DC~0 5) ~IPC~0) (not (= ~SKIP2~0 ~DC~0)) (<= 0 main_~status~1) (not (= ~MPR3~0 ~IPC~0)) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~DC~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-27 02:05:36,151 INFO L274 CegarLoopResult]: For program point L432(lines 432 459) no Hoare annotation was computed. [2020-10-27 02:05:36,151 INFO L274 CegarLoopResult]: For program point L358(lines 358 411) no Hoare annotation was computed. [2020-10-27 02:05:36,151 INFO L274 CegarLoopResult]: For program point L449(lines 449 457) no Hoare annotation was computed. [2020-10-27 02:05:36,152 INFO L270 CegarLoopResult]: At program point L441(lines 432 459) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~DC~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (<= (+ ~DC~0 5) ~IPC~0) (not (= ~SKIP2~0 ~DC~0)) (not (= ~MPR3~0 ~IPC~0)) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-27 02:05:36,152 INFO L274 CegarLoopResult]: For program point L433(lines 433 439) no Hoare annotation was computed. [2020-10-27 02:05:36,152 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-27 02:05:36,152 INFO L270 CegarLoopResult]: At program point L359(lines 358 411) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= (+ ~DC~0 5) ~IPC~0) (not (= ~SKIP2~0 ~DC~0)) (<= 0 main_~status~1) (not (= ~MPR3~0 ~IPC~0)) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~DC~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-27 02:05:36,152 INFO L274 CegarLoopResult]: For program point L450(lines 450 452) no Hoare annotation was computed. [2020-10-27 02:05:36,152 INFO L270 CegarLoopResult]: At program point L376(lines 375 408) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~DC~0)|)) (<= 0 main_~status~1) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-27 02:05:36,152 INFO L274 CegarLoopResult]: For program point L434(lines 434 436) no Hoare annotation was computed. [2020-10-27 02:05:36,152 INFO L274 CegarLoopResult]: For program point L368(lines 368 409) no Hoare annotation was computed. [2020-10-27 02:05:36,153 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 295 466) no Hoare annotation was computed. [2020-10-27 02:05:36,153 INFO L274 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-10-27 02:05:36,153 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 295 466) the Hoare annotation is: (or (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) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~s~0 ~DC~0) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0) (= |old(~DevicePowerState~0)| ~DevicePowerState~0) (= ~myStatus~0 |old(~myStatus~0)|) (= ~MPR1~0 ~NP~0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~DC~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-27 02:05:36,153 INFO L274 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2020-10-27 02:05:36,153 INFO L274 CegarLoopResult]: For program point L344(lines 330 413) no Hoare annotation was computed. [2020-10-27 02:05:36,153 INFO L270 CegarLoopResult]: At program point L369(lines 368 409) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= (+ ~DC~0 5) ~IPC~0) (not (= ~SKIP2~0 ~DC~0)) (<= 0 main_~status~1) (not (= ~MPR3~0 ~IPC~0)) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~DC~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-27 02:05:36,153 INFO L270 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= ~MPR3~0 ~s~0) (= ~IPC~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~DC~0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (<= 0 main_~status~1) (= ~MPR1~0 ~NP~0) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~DC~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-27 02:05:36,154 INFO L274 CegarLoopResult]: For program point L328-1(lines 324 465) no Hoare annotation was computed. [2020-10-27 02:05:36,154 INFO L274 CegarLoopResult]: For program point L353(lines 353 412) no Hoare annotation was computed. [2020-10-27 02:05:36,154 INFO L274 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-10-27 02:05:36,154 INFO L270 CegarLoopResult]: At program point L354(lines 353 412) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= (+ ~DC~0 5) ~IPC~0) (not (= ~SKIP2~0 ~DC~0)) (<= 0 main_~status~1) (not (= ~MPR3~0 ~IPC~0)) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~DC~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-27 02:05:36,154 INFO L270 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~DC~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-27 02:05:36,154 INFO L270 CegarLoopResult]: At program point L429(lines 422 462) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~DC~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (<= (+ ~DC~0 5) ~IPC~0) (not (= ~SKIP2~0 ~DC~0)) (not (= ~MPR3~0 ~IPC~0)) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-27 02:05:36,154 INFO L274 CegarLoopResult]: For program point L363(lines 363 410) no Hoare annotation was computed. [2020-10-27 02:05:36,155 INFO L270 CegarLoopResult]: At program point L330(lines 324 465) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~DC~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (<= (+ ~DC~0 5) ~IPC~0) (not (= ~SKIP2~0 ~DC~0)) (not (= ~MPR3~0 ~IPC~0)) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-27 02:05:36,155 INFO L274 CegarLoopResult]: For program point L454(lines 454 456) no Hoare annotation was computed. [2020-10-27 02:05:36,155 INFO L270 CegarLoopResult]: At program point L421(lines 414 463) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~DC~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (<= (+ ~DC~0 5) ~IPC~0) (not (= ~SKIP2~0 ~DC~0)) (not (= ~MPR3~0 ~IPC~0)) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-10-27 02:05:36,155 INFO L274 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-10-27 02:05:36,155 INFO L274 CegarLoopResult]: For program point L339(lines 339 342) no Hoare annotation was computed. [2020-10-27 02:05:36,155 INFO L270 CegarLoopResult]: At program point L339-2(lines 339 342) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~DC~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0)) (and (<= (+ ~NP~0 5) ~MPR3~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= (+ ~DC~0 5) ~IPC~0) (not (= ~SKIP2~0 ~DC~0)) (<= 0 main_~status~1) (<= (+ ~NP~0 4) ~MPR1~0) (not (= ~MPR3~0 ~IPC~0)) (<= ~pended~0 0))) [2020-10-27 02:05:36,155 INFO L274 CegarLoopResult]: For program point L430(lines 414 463) no Hoare annotation was computed. [2020-10-27 02:05:36,155 INFO L270 CegarLoopResult]: At program point L364(lines 363 410) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~DC~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0)) (and (<= (+ ~NP~0 5) ~MPR3~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= (+ ~DC~0 5) ~IPC~0) (not (= ~SKIP2~0 ~DC~0)) (<= 0 main_~status~1) (<= (+ ~NP~0 4) ~MPR1~0) (not (= ~MPR3~0 ~IPC~0)) (<= ~pended~0 0))) [2020-10-27 02:05:36,156 INFO L274 CegarLoopResult]: For program point L373(lines 373 408) no Hoare annotation was computed. [2020-10-27 02:05:36,156 INFO L274 CegarLoopResult]: For program point L431(lines 431 460) no Hoare annotation was computed. [2020-10-27 02:05:36,156 INFO L274 CegarLoopResult]: For program point L423(lines 423 427) no Hoare annotation was computed. [2020-10-27 02:05:36,156 INFO L274 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-10-27 02:05:36,156 INFO L270 CegarLoopResult]: At program point L510(lines 509 526) the Hoare annotation is: (let ((.cse0 (= ~SKIP2~0 ~DC~0)) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (<= (+ ~DC~0 5) ~IPC~0))) (.cse3 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) .cse3) (or (not (<= 1 ~compRegistered~0)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~MPR1~0 ~s~0) (= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0)) .cse2 .cse3))) [2020-10-27 02:05:36,156 INFO L274 CegarLoopResult]: For program point L532(lines 532 549) no Hoare annotation was computed. [2020-10-27 02:05:36,156 INFO L270 CegarLoopResult]: At program point IofCallDriverENTRY(lines 481 553) the Hoare annotation is: (let ((.cse2 (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|)) (.cse3 (= ~setEventCalled~0 |old(~setEventCalled~0)|)) (.cse0 (= ~SKIP2~0 ~DC~0)) (.cse1 (not (<= ~pended~0 0))) (.cse4 (not (<= (+ ~DC~0 5) ~IPC~0))) (.cse5 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~SKIP1~0 ~s~0)) .cse4 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) .cse5) (or (and .cse2 .cse3 (= ~s~0 ~NP~0)) (not (<= 1 ~compRegistered~0)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) .cse4 .cse5))) [2020-10-27 02:05:36,156 INFO L274 CegarLoopResult]: For program point L495(lines 495 499) no Hoare annotation was computed. [2020-10-27 02:05:36,157 INFO L270 CegarLoopResult]: At program point L524(lines 488 552) the Hoare annotation is: (let ((.cse0 (= ~SKIP2~0 ~DC~0)) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (<= (+ ~DC~0 5) ~IPC~0))) (.cse3 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) .cse3) (let ((.cse4 (= ~MPR1~0 ~s~0)) (.cse5 (= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0))) (or (and .cse4 (<= (+ IofCallDriver_~returnVal2~0 1073741823) 0) .cse5) (not (<= 1 ~compRegistered~0)) (and .cse4 (= IofCallDriver_~returnVal2~0 0) .cse5) .cse0 (and .cse4 (= ~setEventCalled~0 1) (= 259 IofCallDriver_~returnVal2~0) .cse5) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) .cse2 .cse3)))) [2020-10-27 02:05:36,157 INFO L270 CegarLoopResult]: At program point L491(line 491) the Hoare annotation is: (let ((.cse0 (= ~SKIP2~0 ~DC~0)) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (<= (+ ~DC~0 5) ~IPC~0))) (.cse3 (= ~MPR3~0 ~IPC~0))) (and (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) (not (<= 1 ~compRegistered~0)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) .cse3))) [2020-10-27 02:05:36,157 INFO L274 CegarLoopResult]: For program point L491-1(line 491) no Hoare annotation was computed. [2020-10-27 02:05:36,157 INFO L274 CegarLoopResult]: For program point IofCallDriverFINAL(lines 481 553) no Hoare annotation was computed. [2020-10-27 02:05:36,157 INFO L270 CegarLoopResult]: At program point L512(lines 511 526) the Hoare annotation is: (let ((.cse0 (= ~SKIP2~0 ~DC~0)) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (<= (+ ~DC~0 5) ~IPC~0))) (.cse3 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) .cse3) (or (not (<= 1 ~compRegistered~0)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) .cse2 .cse3 (and (= ~MPR1~0 ~s~0) (= ~setEventCalled~0 1) (= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0))))) [2020-10-27 02:05:36,157 INFO L274 CegarLoopResult]: For program point L541(lines 541 548) no Hoare annotation was computed. [2020-10-27 02:05:36,158 INFO L274 CegarLoopResult]: For program point L504(lines 504 527) no Hoare annotation was computed. [2020-10-27 02:05:36,158 INFO L274 CegarLoopResult]: For program point IofCallDriverEXIT(lines 481 553) no Hoare annotation was computed. [2020-10-27 02:05:36,158 INFO L274 CegarLoopResult]: For program point L533(lines 533 539) no Hoare annotation was computed. [2020-10-27 02:05:36,158 INFO L270 CegarLoopResult]: At program point L546(line 546) the Hoare annotation is: (let ((.cse0 (= ~SKIP2~0 ~DC~0)) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (<= (+ ~DC~0 5) ~IPC~0))) (.cse3 (= ~MPR3~0 ~IPC~0))) (and (or (not (<= 1 ~compRegistered~0)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) .cse3))) [2020-10-27 02:05:36,158 INFO L274 CegarLoopResult]: For program point L546-1(lines 528 550) no Hoare annotation was computed. [2020-10-27 02:05:36,158 INFO L274 CegarLoopResult]: For program point L509(lines 509 526) no Hoare annotation was computed. [2020-10-27 02:05:36,158 INFO L270 CegarLoopResult]: At program point L505(lines 504 527) the Hoare annotation is: (let ((.cse0 (= ~SKIP2~0 ~DC~0)) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (<= (+ ~DC~0 5) ~IPC~0))) (.cse3 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) .cse3) (or (not (<= 1 ~compRegistered~0)) .cse0 (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~MPR1~0 ~s~0) (= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0)) .cse2 .cse3))) [2020-10-27 02:05:36,159 INFO L270 CegarLoopResult]: At program point L497(line 497) the Hoare annotation is: (let ((.cse0 (= ~SKIP2~0 ~DC~0)) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (<= (+ ~DC~0 5) ~IPC~0))) (.cse3 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) .cse3) (or (not (<= 1 ~compRegistered~0)) .cse0 (and (= ~setEventCalled~0 1) (= ~s~0 |old(~s~0)|) (= (+ IofCallDriver_~__cil_tmp7~0 1073741802) 0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse1 (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) .cse2 .cse3))) [2020-10-27 02:05:36,159 INFO L274 CegarLoopResult]: For program point L489(lines 489 501) no Hoare annotation was computed. [2020-10-27 02:05:36,159 INFO L274 CegarLoopResult]: For program point L489-1(lines 489 501) no Hoare annotation was computed. [2020-10-27 02:05:36,159 INFO L270 CegarLoopResult]: At program point L475(line 475) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~setEventCalled~0 1)) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,159 INFO L274 CegarLoopResult]: For program point L475-1(lines 467 480) no Hoare annotation was computed. [2020-10-27 02:05:36,159 INFO L270 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 467 480) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (= ~setEventCalled~0 1)) (= ~s~0 ~NP~0) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,159 INFO L274 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 467 480) no Hoare annotation was computed. [2020-10-27 02:05:36,159 INFO L270 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,159 INFO L274 CegarLoopResult]: For program point PoCallDriverEXIT(lines 745 821) no Hoare annotation was computed. [2020-10-27 02:05:36,160 INFO L274 CegarLoopResult]: For program point L754(lines 754 766) no Hoare annotation was computed. [2020-10-27 02:05:36,160 INFO L274 CegarLoopResult]: For program point L754-1(lines 754 766) no Hoare annotation was computed. [2020-10-27 02:05:36,160 INFO L270 CegarLoopResult]: At program point L775(lines 774 791) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,160 INFO L274 CegarLoopResult]: For program point L800(lines 800 806) no Hoare annotation was computed. [2020-10-27 02:05:36,160 INFO L274 CegarLoopResult]: For program point PoCallDriverFINAL(lines 745 821) no Hoare annotation was computed. [2020-10-27 02:05:36,160 INFO L270 CegarLoopResult]: At program point PoCallDriverENTRY(lines 745 821) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,160 INFO L274 CegarLoopResult]: For program point L809(lines 809 816) no Hoare annotation was computed. [2020-10-27 02:05:36,160 INFO L274 CegarLoopResult]: For program point L797(lines 797 817) no Hoare annotation was computed. [2020-10-27 02:05:36,160 INFO L274 CegarLoopResult]: For program point L760(lines 760 764) no Hoare annotation was computed. [2020-10-27 02:05:36,161 INFO L270 CegarLoopResult]: At program point L789(lines 753 820) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,161 INFO L270 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,161 INFO L274 CegarLoopResult]: For program point L756-1(line 756) no Hoare annotation was computed. [2020-10-27 02:05:36,161 INFO L270 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,161 INFO L274 CegarLoopResult]: For program point L814-1(lines 793 818) no Hoare annotation was computed. [2020-10-27 02:05:36,161 INFO L270 CegarLoopResult]: At program point L777(lines 776 791) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,162 INFO L274 CegarLoopResult]: For program point L769(lines 769 792) no Hoare annotation was computed. [2020-10-27 02:05:36,162 INFO L274 CegarLoopResult]: For program point L774(lines 774 791) no Hoare annotation was computed. [2020-10-27 02:05:36,162 INFO L270 CegarLoopResult]: At program point L770(lines 769 792) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,162 INFO L274 CegarLoopResult]: For program point L638(lines 638 656) no Hoare annotation was computed. [2020-10-27 02:05:36,162 INFO L274 CegarLoopResult]: For program point KbFilter_CreateCloseEXIT(lines 629 664) no Hoare annotation was computed. [2020-10-27 02:05:36,163 INFO L270 CegarLoopResult]: At program point L653(lines 641 655) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,163 INFO L270 CegarLoopResult]: At program point L645(lines 638 656) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,163 INFO L274 CegarLoopResult]: For program point L641(lines 641 655) no Hoare annotation was computed. [2020-10-27 02:05:36,163 INFO L270 CegarLoopResult]: At program point KbFilter_CreateCloseENTRY(lines 629 664) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,163 INFO L270 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,163 INFO L274 CegarLoopResult]: For program point L660-1(line 660) no Hoare annotation was computed. [2020-10-27 02:05:36,163 INFO L274 CegarLoopResult]: For program point KbFilter_CreateCloseFINAL(lines 629 664) no Hoare annotation was computed. [2020-10-27 02:05:36,163 INFO L274 CegarLoopResult]: For program point L644(lines 644 654) no Hoare annotation was computed. [2020-10-27 02:05:36,164 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 02:05:36,164 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)|) (= ~DevicePowerState~0 |old(~DevicePowerState~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 02:05:36,164 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 02:05:36,164 INFO L274 CegarLoopResult]: For program point L956(lines 956 958) no Hoare annotation was computed. [2020-10-27 02:05:36,164 INFO L274 CegarLoopResult]: For program point L956-2(lines 934 971) no Hoare annotation was computed. [2020-10-27 02:05:36,164 INFO L274 CegarLoopResult]: For program point KbFilter_InternIoCtlEXIT(lines 822 1007) no Hoare annotation was computed. [2020-10-27 02:05:36,164 INFO L274 CegarLoopResult]: For program point L940(lines 940 943) no Hoare annotation was computed. [2020-10-27 02:05:36,164 INFO L274 CegarLoopResult]: For program point L903(lines 903 982) no Hoare annotation was computed. [2020-10-27 02:05:36,164 INFO L274 CegarLoopResult]: For program point L924(lines 924 976) no Hoare annotation was computed. [2020-10-27 02:05:36,164 INFO L274 CegarLoopResult]: For program point L891(lines 891 986) no Hoare annotation was computed. [2020-10-27 02:05:36,164 INFO L274 CegarLoopResult]: For program point L883(lines 883 988) no Hoare annotation was computed. [2020-10-27 02:05:36,165 INFO L274 CegarLoopResult]: For program point L875(lines 875 990) no Hoare annotation was computed. [2020-10-27 02:05:36,165 INFO L270 CegarLoopResult]: At program point L1003(line 1003) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,165 INFO L274 CegarLoopResult]: For program point L1003-1(line 1003) no Hoare annotation was computed. [2020-10-27 02:05:36,165 INFO L274 CegarLoopResult]: For program point L896(lines 896 984) no Hoare annotation was computed. [2020-10-27 02:05:36,165 INFO L270 CegarLoopResult]: At program point L892(lines 891 986) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,165 INFO L274 CegarLoopResult]: For program point L917(lines 917 978) no Hoare annotation was computed. [2020-10-27 02:05:36,165 INFO L270 CegarLoopResult]: At program point L884(lines 883 988) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,165 INFO L274 CegarLoopResult]: For program point L934(lines 934 973) no Hoare annotation was computed. [2020-10-27 02:05:36,165 INFO L274 CegarLoopResult]: For program point L959-1(lines 959 961) no Hoare annotation was computed. [2020-10-27 02:05:36,165 INFO L270 CegarLoopResult]: At program point KbFilter_InternIoCtlENTRY(lines 822 1007) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,166 INFO L274 CegarLoopResult]: For program point L910(lines 910 980) no Hoare annotation was computed. [2020-10-27 02:05:36,166 INFO L270 CegarLoopResult]: At program point L972(lines 867 1006) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,166 INFO L270 CegarLoopResult]: At program point L935(lines 875 990) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,166 INFO L270 CegarLoopResult]: At program point L997(line 997) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 |old(~s~0)|)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,166 INFO L274 CegarLoopResult]: For program point L997-1(line 997) no Hoare annotation was computed. [2020-10-27 02:05:36,166 INFO L274 CegarLoopResult]: For program point KbFilter_InternIoCtlFINAL(lines 822 1007) no Hoare annotation was computed. [2020-10-27 02:05:36,166 INFO L274 CegarLoopResult]: For program point L931(lines 931 974) no Hoare annotation was computed. [2020-10-27 02:05:36,166 INFO L274 CegarLoopResult]: For program point L603(lines 603 615) no Hoare annotation was computed. [2020-10-27 02:05:36,166 INFO L274 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 576 617) no Hoare annotation was computed. [2020-10-27 02:05:36,167 INFO L270 CegarLoopResult]: At program point L589(lines 581 600) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (= ~SKIP2~0 ~DC~0)) (.cse2 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse3 (not (<= ~pended~0 0))) (.cse4 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse5 (not (<= (+ ~DC~0 5) ~IPC~0))) (.cse6 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 (and (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0)) .cse5 .cse6) (or .cse0 .cse1 (not (= |old(~setEventCalled~0)| 1)) .cse2 .cse3 .cse4 .cse5 (not (= ~MPR3~0 |old(~s~0)|)) .cse6))) [2020-10-27 02:05:36,167 INFO L274 CegarLoopResult]: For program point L581(lines 581 600) no Hoare annotation was computed. [2020-10-27 02:05:36,167 INFO L270 CegarLoopResult]: At program point L606(lines 605 615) the Hoare annotation is: (let ((.cse1 (= ~SKIP2~0 ~DC~0)) (.cse7 (= ~MPR3~0 ~IPC~0)) (.cse8 (<= 1 ~compRegistered~0))) (let ((.cse0 (not .cse8)) (.cse2 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse3 (and (= ~s~0 ~NP~0) (not .cse1) .cse8 (not .cse7))) (.cse4 (not (<= ~pended~0 0))) (.cse5 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse6 (not (<= (+ ~DC~0 5) ~IPC~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~NP~0 |old(~s~0)|)) .cse5 .cse6 .cse7) (or .cse0 .cse1 (not (= |old(~setEventCalled~0)| 1)) .cse2 .cse3 .cse4 .cse5 .cse6 (not (= ~MPR3~0 |old(~s~0)|)) .cse7)))) [2020-10-27 02:05:36,167 INFO L274 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 576 617) no Hoare annotation was computed. [2020-10-27 02:05:36,167 INFO L270 CegarLoopResult]: At program point L604(lines 603 615) the Hoare annotation is: (let ((.cse1 (= ~SKIP2~0 ~DC~0)) (.cse7 (= ~MPR3~0 ~IPC~0)) (.cse8 (<= 1 ~compRegistered~0))) (let ((.cse0 (not .cse8)) (.cse2 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse3 (and (= ~s~0 ~NP~0) (not .cse1) .cse8 (not .cse7))) (.cse4 (not (<= ~pended~0 0))) (.cse5 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse6 (not (<= (+ ~DC~0 5) ~IPC~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~NP~0 |old(~s~0)|)) .cse5 .cse6 .cse7) (or .cse0 .cse1 (not (= |old(~setEventCalled~0)| 1)) .cse2 .cse3 .cse4 .cse5 .cse6 (not (= ~MPR3~0 |old(~s~0)|)) .cse7)))) [2020-10-27 02:05:36,167 INFO L270 CegarLoopResult]: At program point L596(line 596) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (= ~SKIP2~0 ~DC~0)) (.cse2 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse3 (not (<= ~pended~0 0))) (.cse4 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse5 (not (<= (+ ~DC~0 5) ~IPC~0))) (.cse6 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5 .cse6) (or .cse0 .cse1 (not (= |old(~setEventCalled~0)| 1)) .cse2 .cse3 .cse4 .cse5 (not (= ~MPR3~0 |old(~s~0)|)) .cse6))) [2020-10-27 02:05:36,167 INFO L274 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2020-10-27 02:05:36,167 INFO L274 CegarLoopResult]: For program point L594-1(lines 581 600) no Hoare annotation was computed. [2020-10-27 02:05:36,168 INFO L270 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 576 617) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (= ~SKIP2~0 ~DC~0)) (.cse2 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse3 (not (<= ~pended~0 0))) (.cse5 (= ~setEventCalled~0 |old(~setEventCalled~0)|)) (.cse6 (= |old(~customIrp~0)| ~customIrp~0)) (.cse4 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse7 (not (<= (+ ~DC~0 5) ~IPC~0))) (.cse8 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 (and .cse5 (= ~s~0 ~NP~0) .cse6) .cse7 .cse8) (or .cse0 .cse1 (not (= |old(~setEventCalled~0)| 1)) .cse2 .cse3 (and (= ~MPR3~0 ~s~0) .cse5 .cse6) .cse4 .cse7 (not (= ~MPR3~0 |old(~s~0)|)) .cse8))) [2020-10-27 02:05:36,168 INFO L274 CegarLoopResult]: For program point L582(lines 582 587) no Hoare annotation was computed. [2020-10-27 02:05:36,168 INFO L274 CegarLoopResult]: For program point L562-1(lines 554 567) no Hoare annotation was computed. [2020-10-27 02:05:36,168 INFO L274 CegarLoopResult]: For program point L558(lines 558 564) no Hoare annotation was computed. [2020-10-27 02:05:36,168 INFO L270 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 554 567) the Hoare annotation is: (let ((.cse0 (= ~SKIP2~0 ~DC~0)) (.cse1 (= ~s~0 ~NP~0)) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (= ~NP~0 |old(~s~0)|))) (.cse4 (not (<= (+ ~DC~0 5) ~IPC~0))) (.cse5 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~compRegistered~0 0)) .cse5) (or (not (<= 1 ~compRegistered~0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-10-27 02:05:36,168 INFO L274 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 554 567) no Hoare annotation was computed. [2020-10-27 02:05:36,168 INFO L270 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (= ~SKIP2~0 ~DC~0)) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (= ~NP~0 |old(~s~0)|))) (.cse3 (not (<= (+ ~DC~0 5) ~IPC~0))) (.cse4 (= ~MPR3~0 ~IPC~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~compRegistered~0 0)) .cse4) (or (not (<= 1 ~compRegistered~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-10-27 02:05:36,168 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 02:05:36,169 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~MPR3~0 ~s~0) (= ~IPC~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~DC~0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (= ~MPR1~0 ~NP~0) (<= ~pended~0 0)) [2020-10-27 02:05:36,169 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 02:05:36,169 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 02:05:36,169 INFO L270 CegarLoopResult]: At program point KbFilter_DispatchPassThroughENTRY(lines 665 688) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,169 INFO L270 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (= ~SKIP1~0 ~s~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,169 INFO L274 CegarLoopResult]: For program point L684-1(line 684) no Hoare annotation was computed. [2020-10-27 02:05:36,169 INFO L274 CegarLoopResult]: For program point KbFilter_DispatchPassThroughFINAL(lines 665 688) no Hoare annotation was computed. [2020-10-27 02:05:36,169 INFO L270 CegarLoopResult]: At program point L678(line 678) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= ~pended~0 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~DC~0 5) ~IPC~0)) (not (= ~compRegistered~0 0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,169 INFO L274 CegarLoopResult]: For program point L678-1(lines 674 680) no Hoare annotation was computed. [2020-10-27 02:05:36,170 INFO L274 CegarLoopResult]: For program point KbFilter_DispatchPassThroughEXIT(lines 665 688) no Hoare annotation was computed. [2020-10-27 02:05:36,170 INFO L274 CegarLoopResult]: For program point L674(lines 674 680) no Hoare annotation was computed. [2020-10-27 02:05:36,170 INFO L274 CegarLoopResult]: For program point L258-1(lines 254 260) no Hoare annotation was computed. [2020-10-27 02:05:36,170 INFO L274 CegarLoopResult]: For program point L159(lines 159 274) no Hoare annotation was computed. [2020-10-27 02:05:36,170 INFO L274 CegarLoopResult]: For program point L126(lines 126 285) no Hoare annotation was computed. [2020-10-27 02:05:36,170 INFO L270 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,170 INFO L270 CegarLoopResult]: At program point L201(lines 201 203) the Hoare annotation is: (let ((.cse10 (<= (+ ~NP~0 5) ~MPR3~0)) (.cse1 (= ~SKIP2~0 ~DC~0)) (.cse11 (<= (+ ~NP~0 4) ~MPR1~0)) (.cse4 (<= 1 ~compRegistered~0)) (.cse9 (= ~MPR3~0 ~IPC~0))) (let ((.cse0 (and .cse10 (= ~s~0 ~NP~0) (not .cse1) .cse11 .cse4 (not .cse9))) (.cse2 (not .cse11)) (.cse3 (not (<= ~pended~0 0))) (.cse6 (not (= ~NP~0 |old(~s~0)|))) (.cse5 (not (= |old(~compRegistered~0)| 0))) (.cse7 (not .cse10)) (.cse8 (not (<= (+ ~DC~0 5) ~IPC~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and (= ~MPR3~0 ~s~0) (<= 259 KbFilter_PnP_~status~0) (= ~setEventCalled~0 1) .cse4 (<= 259 KbFilter_PnP_~__cil_tmp23~0) (<= KbFilter_PnP_~__cil_tmp23~0 259)) .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse0 (not (= (+ |old(~myStatus~0)| 1073741637) 0)) (= (+ ~myStatus~0 1073741637) 0) .cse1 .cse2 .cse3 .cse6 .cse5 .cse7 .cse8 .cse9)))) [2020-10-27 02:05:36,171 INFO L274 CegarLoopResult]: For program point L168(lines 168 271) no Hoare annotation was computed. [2020-10-27 02:05:36,171 INFO L274 CegarLoopResult]: For program point L201-1(lines 201 203) no Hoare annotation was computed. [2020-10-27 02:05:36,171 INFO L274 CegarLoopResult]: For program point L135(lines 135 282) no Hoare annotation was computed. [2020-10-27 02:05:36,171 INFO L270 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (and (= ~s~0 ~NP~0) (<= 1 ~compRegistered~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,171 INFO L270 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,171 INFO L274 CegarLoopResult]: For program point L243-1(lines 239 245) no Hoare annotation was computed. [2020-10-27 02:05:36,171 INFO L274 CegarLoopResult]: For program point L177(lines 177 189) no Hoare annotation was computed. [2020-10-27 02:05:36,171 INFO L274 CegarLoopResult]: For program point L144(lines 144 279) no Hoare annotation was computed. [2020-10-27 02:05:36,171 INFO L274 CegarLoopResult]: For program point L111(lines 111 290) no Hoare annotation was computed. [2020-10-27 02:05:36,171 INFO L270 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,172 INFO L270 CegarLoopResult]: At program point L194(lines 194 195) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (<= 1 ~compRegistered~0) (= ~myStatus~0 |old(~myStatus~0)|)) (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,172 INFO L274 CegarLoopResult]: For program point L227-1(lines 223 229) no Hoare annotation was computed. [2020-10-27 02:05:36,172 INFO L274 CegarLoopResult]: For program point L194-1(lines 194 195) no Hoare annotation was computed. [2020-10-27 02:05:36,172 INFO L274 CegarLoopResult]: For program point L153(lines 153 276) no Hoare annotation was computed. [2020-10-27 02:05:36,172 INFO L274 CegarLoopResult]: For program point L120(lines 120 287) no Hoare annotation was computed. [2020-10-27 02:05:36,172 INFO L274 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 81 294) no Hoare annotation was computed. [2020-10-27 02:05:36,172 INFO L270 CegarLoopResult]: At program point L112(lines 111 290) 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)|)) (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,172 INFO L277 CegarLoopResult]: At program point L269(lines 172 270) the Hoare annotation is: true [2020-10-27 02:05:36,172 INFO L274 CegarLoopResult]: For program point L162(lines 162 273) no Hoare annotation was computed. [2020-10-27 02:05:36,172 INFO L274 CegarLoopResult]: For program point L129(lines 129 284) no Hoare annotation was computed. [2020-10-27 02:05:36,173 INFO L270 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,173 INFO L270 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 81 294) 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)|)) (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,173 INFO L270 CegarLoopResult]: At program point L171(lines 117 288) 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)|)) (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,173 INFO L274 CegarLoopResult]: For program point L138(lines 138 281) no Hoare annotation was computed. [2020-10-27 02:05:36,173 INFO L274 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 81 294) no Hoare annotation was computed. [2020-10-27 02:05:36,173 INFO L274 CegarLoopResult]: For program point L147(lines 147 278) no Hoare annotation was computed. [2020-10-27 02:05:36,173 INFO L274 CegarLoopResult]: For program point L114(lines 114 289) no Hoare annotation was computed. [2020-10-27 02:05:36,173 INFO L274 CegarLoopResult]: For program point L156(lines 156 275) no Hoare annotation was computed. [2020-10-27 02:05:36,173 INFO L274 CegarLoopResult]: For program point L123(lines 123 286) no Hoare annotation was computed. [2020-10-27 02:05:36,174 INFO L270 CegarLoopResult]: At program point L115(lines 114 289) 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)|)) (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,174 INFO L274 CegarLoopResult]: For program point L239(lines 239 245) no Hoare annotation was computed. [2020-10-27 02:05:36,174 INFO L270 CegarLoopResult]: At program point L264(lines 264 265) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,174 INFO L274 CegarLoopResult]: For program point L264-1(lines 264 265) no Hoare annotation was computed. [2020-10-27 02:05:36,174 INFO L274 CegarLoopResult]: For program point L165(lines 165 272) no Hoare annotation was computed. [2020-10-27 02:05:36,174 INFO L274 CegarLoopResult]: For program point L132(lines 132 283) no Hoare annotation was computed. [2020-10-27 02:05:36,174 INFO L274 CegarLoopResult]: For program point L223(lines 223 229) no Hoare annotation was computed. [2020-10-27 02:05:36,174 INFO L274 CegarLoopResult]: For program point L182(lines 182 188) no Hoare annotation was computed. [2020-10-27 02:05:36,174 INFO L274 CegarLoopResult]: For program point L182-1(lines 177 189) no Hoare annotation was computed. [2020-10-27 02:05:36,174 INFO L274 CegarLoopResult]: For program point L207(lines 207 213) no Hoare annotation was computed. [2020-10-27 02:05:36,174 INFO L274 CegarLoopResult]: For program point L141(lines 141 280) no Hoare annotation was computed. [2020-10-27 02:05:36,175 INFO L274 CegarLoopResult]: For program point L108(lines 108 291) no Hoare annotation was computed. [2020-10-27 02:05:36,175 INFO L274 CegarLoopResult]: For program point L199(lines 199 205) no Hoare annotation was computed. [2020-10-27 02:05:36,175 INFO L274 CegarLoopResult]: For program point L199-2(lines 172 268) no Hoare annotation was computed. [2020-10-27 02:05:36,175 INFO L270 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,175 INFO L274 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-10-27 02:05:36,175 INFO L274 CegarLoopResult]: For program point L150(lines 150 277) no Hoare annotation was computed. [2020-10-27 02:05:36,175 INFO L274 CegarLoopResult]: For program point L117(lines 117 288) no Hoare annotation was computed. [2020-10-27 02:05:36,175 INFO L274 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-10-27 02:05:36,175 INFO L270 CegarLoopResult]: At program point L109(lines 108 291) 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)|)) (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,176 INFO L270 CegarLoopResult]: At program point L233(lines 233 234) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (and (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,176 INFO L274 CegarLoopResult]: For program point L233-1(lines 233 234) no Hoare annotation was computed. [2020-10-27 02:05:36,176 INFO L270 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (or (= ~SKIP2~0 ~DC~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= (+ ~DC~0 5) ~IPC~0)) (= ~MPR3~0 ~IPC~0)) [2020-10-27 02:05:36,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 02:05:36 BoogieIcfgContainer [2020-10-27 02:05:36,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 02:05:36,246 INFO L168 Benchmark]: Toolchain (without parser) took 56693.81 ms. Allocated memory was 159.4 MB in the beginning and 528.5 MB in the end (delta: 369.1 MB). Free memory was 133.8 MB in the beginning and 192.2 MB in the end (delta: -58.4 MB). Peak memory consumption was 318.1 MB. Max. memory is 8.0 GB. [2020-10-27 02:05:36,247 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 159.4 MB. Free memory is still 131.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 02:05:36,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.59 ms. Allocated memory is still 159.4 MB. Free memory was 133.1 MB in the beginning and 114.4 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-10-27 02:05:36,248 INFO L168 Benchmark]: Boogie Preprocessor took 111.57 ms. Allocated memory is still 159.4 MB. Free memory was 114.4 MB in the beginning and 111.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-27 02:05:36,248 INFO L168 Benchmark]: RCFGBuilder took 1071.41 ms. Allocated memory is still 159.4 MB. Free memory was 111.3 MB in the beginning and 74.8 MB in the end (delta: 36.6 MB). Peak memory consumption was 37.0 MB. Max. memory is 8.0 GB. [2020-10-27 02:05:36,249 INFO L168 Benchmark]: TraceAbstraction took 54905.87 ms. Allocated memory was 159.4 MB in the beginning and 528.5 MB in the end (delta: 369.1 MB). Free memory was 74.2 MB in the beginning and 192.2 MB in the end (delta: -118.0 MB). Peak memory consumption was 256.9 MB. Max. memory is 8.0 GB. [2020-10-27 02:05:36,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 159.4 MB. Free memory is still 131.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 590.59 ms. Allocated memory is still 159.4 MB. Free memory was 133.1 MB in the beginning and 114.4 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 111.57 ms. Allocated memory is still 159.4 MB. Free memory was 114.4 MB in the beginning and 111.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1071.41 ms. Allocated memory is still 159.4 MB. Free memory was 111.3 MB in the beginning and 74.8 MB in the end (delta: 36.6 MB). Peak memory consumption was 37.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 54905.87 ms. Allocated memory was 159.4 MB in the beginning and 528.5 MB in the end (delta: 369.1 MB). Free memory was 74.2 MB in the beginning and 192.2 MB in the end (delta: -118.0 MB). Peak memory consumption was 256.9 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: 373]: Loop Invariant Derived loop invariant: (((((((!(\old(s) == \old(MPR3)) || ((((((compRegistered == 0 && s == NP) && DC + 5 <= IPC) && !(SKIP2 == DC)) && 0 <= status) && !(MPR3 == IPC)) && pended <= 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(DC))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: ((((((SKIP2 == DC || !(pended <= 0)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(DC + 5 <= IPC)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) || MPR3 == IPC) && ((((((((!(1 <= compRegistered) || SKIP2 == DC) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || (MPR1 == s && __cil_tmp7 + 1073741802 == 0)) || !(DC + 5 <= IPC)) || MPR3 == IPC) - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: ((((((((!(1 <= compRegistered) || SKIP2 == DC) || !(NP + 4 <= MPR1)) || (((s == NP && !(SKIP2 == DC)) && 1 <= compRegistered) && !(MPR3 == IPC))) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || !(DC + 5 <= IPC)) || MPR3 == IPC) && (((((((((!(1 <= compRegistered) || SKIP2 == DC) || !(\old(setEventCalled) == 1)) || !(NP + 4 <= MPR1)) || (((s == NP && !(SKIP2 == DC)) && 1 <= compRegistered) && !(MPR3 == IPC))) || !(pended <= 0)) || !(NP + 5 <= MPR3)) || !(DC + 5 <= IPC)) || !(MPR3 == \old(s))) || MPR3 == IPC) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (((((SKIP2 == DC || !(pended <= 0)) || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(DC + 5 <= IPC)) || !(compRegistered == 0)) || MPR3 == IPC - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: (((((((!(\old(s) == \old(MPR3)) || ((((((compRegistered == 0 && s == NP) && DC + 5 <= IPC) && !(SKIP2 == DC)) && 0 <= status) && !(MPR3 == IPC)) && pended <= 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(DC))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: (((((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(DC))) || !(\old(s) == \old(NP))) || (((DC + 5 <= IPC && !(SKIP2 == DC)) && !(MPR3 == IPC)) && pended <= 0)) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: (((((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(DC))) || 0 <= status) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: (((((SKIP2 == DC || !(pended <= 0)) || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(DC + 5 <= IPC)) || !(compRegistered == 0)) || MPR3 == IPC - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (((((SKIP2 == DC || !(pended <= 0)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(DC + 5 <= IPC)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) || MPR3 == IPC - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: (((((SKIP2 == DC || !(pended <= 0)) || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(DC + 5 <= IPC)) || !(compRegistered == 0)) || MPR3 == IPC - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: (((((SKIP2 == DC || !(pended <= 0)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(DC + 5 <= IPC)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) || MPR3 == IPC - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (((((((!(\old(s) == \old(MPR3)) || ((((((compRegistered == 0 && s == NP) && DC + 5 <= IPC) && !(SKIP2 == DC)) && 0 <= status) && !(MPR3 == IPC)) && pended <= 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(DC))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (((((SKIP2 == DC || !(pended <= 0)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(DC + 5 <= IPC)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) || MPR3 == IPC - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: ((((((((!(1 <= compRegistered) || SKIP2 == DC) || !(NP + 4 <= MPR1)) || (((s == NP && !(SKIP2 == DC)) && 1 <= compRegistered) && !(MPR3 == IPC))) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || !(DC + 5 <= IPC)) || MPR3 == IPC) && (((((((((!(1 <= compRegistered) || SKIP2 == DC) || !(\old(setEventCalled) == 1)) || !(NP + 4 <= MPR1)) || (((s == NP && !(SKIP2 == DC)) && 1 <= compRegistered) && !(MPR3 == IPC))) || !(pended <= 0)) || !(NP + 5 <= MPR3)) || !(DC + 5 <= IPC)) || !(MPR3 == \old(s))) || MPR3 == IPC) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) || SKIP2 == DC) || !(pended <= 0)) || !(NP == \old(s))) || !(DC + 5 <= IPC)) || !(compRegistered == 0)) || MPR3 == IPC - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: ((((((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || SKIP2 == DC) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || !(DC + 5 <= IPC)) || MPR3 == IPC - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) || SKIP2 == DC) || !(pended <= 0)) || !(NP == \old(s))) || !(DC + 5 <= IPC)) || !(compRegistered == 0)) || MPR3 == IPC - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: ((((((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || SKIP2 == DC) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || !(DC + 5 <= IPC)) || MPR3 == IPC - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: (((((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(DC))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0)) || ((((((((NP + 5 <= MPR3 && compRegistered == 0) && s == NP) && DC + 5 <= IPC) && !(SKIP2 == DC)) && 0 <= status) && NP + 4 <= MPR1) && !(MPR3 == IPC)) && pended <= 0) - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: (((((SKIP2 == DC || !(pended <= 0)) || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(DC + 5 <= IPC)) || !(compRegistered == 0)) || MPR3 == IPC - 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)) || SKIP2 == DC) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || !(DC + 5 <= IPC)) || MPR3 == IPC - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(DC))) || !(\old(s) == \old(NP))) || (((DC + 5 <= IPC && !(SKIP2 == DC)) && !(MPR3 == IPC)) && pended <= 0)) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: ((((((SKIP2 == DC || !(pended <= 0)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(DC + 5 <= IPC)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) || MPR3 == IPC) && ((((((((((((MPR1 == s && returnVal2 + 1073741823 <= 0) && __cil_tmp7 + 1073741802 == 0) || !(1 <= compRegistered)) || ((MPR1 == s && returnVal2 == 0) && __cil_tmp7 + 1073741802 == 0)) || SKIP2 == DC) || (((MPR1 == s && setEventCalled == 1) && 259 == returnVal2) && __cil_tmp7 + 1073741802 == 0)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || !(DC + 5 <= IPC)) || MPR3 == IPC) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((((SKIP2 == DC || !(pended <= 0)) || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(DC + 5 <= IPC)) || !(compRegistered == 0)) || MPR3 == IPC - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: ((((((((!(1 <= compRegistered) || SKIP2 == DC) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || ((setEventCalled == \old(setEventCalled) && s == NP) && \old(customIrp) == customIrp)) || !(DC + 5 <= IPC)) || MPR3 == IPC) && ((((((((!(1 <= compRegistered) || SKIP2 == DC) || !(\old(setEventCalled) == 1)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(NP + 5 <= MPR3)) || !(DC + 5 <= IPC)) || !(MPR3 == \old(s))) || MPR3 == IPC) - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: (((((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(DC))) || !(\old(s) == \old(NP))) || (((DC + 5 <= IPC && !(SKIP2 == DC)) && !(MPR3 == IPC)) && pended <= 0)) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: ((((((SKIP2 == DC || !(pended <= 0)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(DC + 5 <= IPC)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) || MPR3 == IPC) && ((((((((!(1 <= compRegistered) || SKIP2 == DC) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || (MPR1 == s && __cil_tmp7 + 1073741802 == 0)) || !(DC + 5 <= IPC)) || MPR3 == IPC) - 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)) || SKIP2 == DC) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || !(DC + 5 <= IPC)) || MPR3 == IPC - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: (((((((!(\old(s) == \old(MPR3)) || ((((((compRegistered == 0 && s == NP) && DC + 5 <= IPC) && !(SKIP2 == DC)) && 0 <= status) && !(MPR3 == IPC)) && pended <= 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(DC))) || !(\old(s) == \old(NP))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: ((((((SKIP2 == DC || !(pended <= 0)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(DC + 5 <= IPC)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) || MPR3 == IPC) && ((((((((!(1 <= compRegistered) || SKIP2 == DC) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(NP == \old(s))) || !(NP + 5 <= MPR3)) || !(DC + 5 <= IPC)) || MPR3 == IPC) || ((MPR1 == s && setEventCalled == 1) && __cil_tmp7 + 1073741802 == 0)) - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: (((((SKIP2 == DC || !(pended <= 0)) || (((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && s == NP) && myStatus == \old(myStatus))) || !(NP == \old(s))) || !(DC + 5 <= IPC)) || !(compRegistered == 0)) || MPR3 == IPC - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (((((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(DC))) || !(\old(s) == \old(NP))) || (((DC + 5 <= IPC && !(SKIP2 == DC)) && !(MPR3 == IPC)) && pended <= 0)) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: (((((SKIP2 == DC || !(pended <= 0)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(DC + 5 <= IPC)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) || MPR3 == IPC - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 243 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 40.4s, OverallIterations: 20, TraceHistogramMax: 1, AutomataDifference: 19.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3271 SDtfs, 4890 SDslu, 3498 SDs, 0 SdLazy, 7697 SolverSat, 1161 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 405 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=397occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 20 MinimizatonAttempts, 176 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 85 LocationsWithAnnotation, 384 PreInvPairs, 483 NumberOfFragments, 4265 HoareAnnotationTreeSize, 384 FomulaSimplifications, 991 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 85 FomulaSimplificationsInter, 10468 FormulaSimplificationTreeSizeReductionInter, 12.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 19.6s InterpolantComputationTime, 1061 NumberOfCodeBlocks, 1061 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1041 ConstructedInterpolants, 0 QuantifiedInterpolants, 272637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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...