/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 SingleStatement --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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:22:51,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:22:51,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:22:51,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:22:51,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:22:51,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:22:51,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:22:51,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:22:51,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:22:51,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:22:51,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:22:51,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:22:51,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:22:51,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:22:51,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:22:51,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:22:51,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:22:51,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:22:51,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:22:51,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:22:51,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:22:51,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:22:51,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:22:51,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:22:51,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:22:51,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:22:51,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:22:51,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:22:51,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:22:51,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:22:51,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:22:51,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:22:51,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:22:51,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:22:51,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:22:51,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:22:51,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:22:51,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:22:51,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:22:51,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:22:51,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:22:51,457 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 [2020-09-25 04:22:51,486 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:22:51,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:22:51,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:22:51,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:22:51,488 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:22:51,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:22:51,489 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:22:51,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:22:51,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:22:51,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:22:51,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:22:51,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:22:51,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:22:51,490 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:22:51,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:22:51,491 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:22:51,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:22:51,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:22:51,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:22:51,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:22:51,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:22:51,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:22:51,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:22:51,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:22:51,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:22:51,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:22:51,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:22:51,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:22:51,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:22:51,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement 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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:22:51,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:22:52,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:22:52,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:22:52,024 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:22:52,025 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:22:52,026 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-09-25 04:22:52,128 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16aec93ff/ec5ec1f757d343199816cbd10f3d3214/FLAG9fcc34f4b [2020-09-25 04:22:52,774 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:22:52,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-09-25 04:22:52,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16aec93ff/ec5ec1f757d343199816cbd10f3d3214/FLAG9fcc34f4b [2020-09-25 04:22:53,112 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16aec93ff/ec5ec1f757d343199816cbd10f3d3214 [2020-09-25 04:22:53,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:22:53,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:22:53,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:22:53,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:22:53,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:22:53,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:22:53" (1/1) ... [2020-09-25 04:22:53,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab3eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:53, skipping insertion in model container [2020-09-25 04:22:53,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:22:53" (1/1) ... [2020-09-25 04:22:53,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:22:53,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:22:53,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:22:53,686 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:22:53,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:22:53,817 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:22:53,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:53 WrapperNode [2020-09-25 04:22:53,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:22:53,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:22:53,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:22:53,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:22:53,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:53" (1/1) ... [2020-09-25 04:22:53,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:53" (1/1) ... [2020-09-25 04:22:53,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:53" (1/1) ... [2020-09-25 04:22:53,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:53" (1/1) ... [2020-09-25 04:22:53,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:53" (1/1) ... [2020-09-25 04:22:53,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:53" (1/1) ... [2020-09-25 04:22:53,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:53" (1/1) ... [2020-09-25 04:22:53,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:22:53,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:22:53,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:22:53,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:22:53,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:53" (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 [2020-09-25 04:22:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:22:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:22:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-25 04:22:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory [2020-09-25 04:22:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2020-09-25 04:22:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-25 04:22:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-09-25 04:22:53,996 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:22:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:22:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-25 04:22:53,996 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-09-25 04:22:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-09-25 04:22:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-09-25 04:22:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-09-25 04:22:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-09-25 04:22:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-09-25 04:22:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-09-25 04:22:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-09-25 04:22:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-09-25 04:22:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-09-25 04:22:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-09-25 04:22:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-09-25 04:22:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-09-25 04:22:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-09-25 04:22:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-09-25 04:22:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-09-25 04:22:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-09-25 04:22:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-09-25 04:22:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-09-25 04:22:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-09-25 04:22:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-09-25 04:22:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-09-25 04:22:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-09-25 04:22:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-09-25 04:22:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-09-25 04:22:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-09-25 04:22:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-09-25 04:22:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-09-25 04:22:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-09-25 04:22:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-09-25 04:22:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-09-25 04:22:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-09-25 04:22:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-09-25 04:22:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-09-25 04:22:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-09-25 04:22:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-09-25 04:22:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-09-25 04:22:54,005 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-09-25 04:22:54,005 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:22:54,005 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-09-25 04:22:54,005 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-09-25 04:22:54,005 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-09-25 04:22:54,006 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-09-25 04:22:54,006 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-25 04:22:54,006 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-09-25 04:22:54,006 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-09-25 04:22:54,006 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-09-25 04:22:54,006 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-09-25 04:22:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-09-25 04:22:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-09-25 04:22:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-09-25 04:22:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-09-25 04:22:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-09-25 04:22:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-09-25 04:22:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-09-25 04:22:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-09-25 04:22:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-09-25 04:22:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-09-25 04:22:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-09-25 04:22:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-09-25 04:22:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-09-25 04:22:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-09-25 04:22:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-09-25 04:22:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-09-25 04:22:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-09-25 04:22:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-09-25 04:22:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-09-25 04:22:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-09-25 04:22:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-09-25 04:22:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-09-25 04:22:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-09-25 04:22:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-09-25 04:22:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-09-25 04:22:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-25 04:22:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-09-25 04:22:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-09-25 04:22:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-09-25 04:22:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-09-25 04:22:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-09-25 04:22:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-09-25 04:22:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-09-25 04:22:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-09-25 04:22:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-09-25 04:22:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-09-25 04:22:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-09-25 04:22:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-09-25 04:22:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-09-25 04:22:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-09-25 04:22:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-09-25 04:22:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-09-25 04:22:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-09-25 04:22:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-09-25 04:22:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-09-25 04:22:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-09-25 04:22:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-09-25 04:22:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-09-25 04:22:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-09-25 04:22:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-09-25 04:22:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-09-25 04:22:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-09-25 04:22:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-09-25 04:22:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:22:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 04:22:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 04:22:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:22:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 04:22:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2020-09-25 04:22:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 04:22:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2020-09-25 04:22:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2020-09-25 04:22:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2020-09-25 04:22:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2020-09-25 04:22:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2020-09-25 04:22:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2020-09-25 04:22:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2020-09-25 04:22:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2020-09-25 04:22:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2020-09-25 04:22:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2020-09-25 04:22:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2020-09-25 04:22:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:22:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory [2020-09-25 04:22:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2020-09-25 04:22:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-25 04:22:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-09-25 04:22:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:22:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:22:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:22:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 04:22:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:22:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:22:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:22:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:22:54,636 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:22:54,636 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 04:22:54,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:22:54 BoogieIcfgContainer [2020-09-25 04:22:54,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:22:54,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:22:54,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:22:54,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:22:54,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:22:53" (1/3) ... [2020-09-25 04:22:54,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a1b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:22:54, skipping insertion in model container [2020-09-25 04:22:54,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:22:53" (2/3) ... [2020-09-25 04:22:54,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a1b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:22:54, skipping insertion in model container [2020-09-25 04:22:54,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:22:54" (3/3) ... [2020-09-25 04:22:54,651 INFO L109 eAbstractionObserver]: Analyzing ICFG rule60_list2.i [2020-09-25 04:22:54,663 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:22:54,674 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:22:54,694 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:22:54,721 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:22:54,721 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:22:54,721 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:22:54,721 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:22:54,721 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:22:54,721 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:22:54,721 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:22:54,722 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:22:54,746 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2020-09-25 04:22:54,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-09-25 04:22:54,755 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:22:54,756 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] [2020-09-25 04:22:54,757 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:22:54,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:22:54,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1653885127, now seen corresponding path program 1 times [2020-09-25 04:22:54,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:22:54,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902451243] [2020-09-25 04:22:54,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:22:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:54,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:55,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:55,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 04:22:55,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:22:55,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-09-25 04:22:55,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:55,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:22:55,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-25 04:22:55,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:22:55,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 04:22:55,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:22:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:55,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:55,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:22:55,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 04:22:55,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:22:55,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 04:22:55,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:22:55,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:22:55,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:22:55,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:22:55,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:22:55,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:22:55,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:22:55,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902451243] [2020-09-25 04:22:55,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:22:55,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 04:22:55,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892532219] [2020-09-25 04:22:55,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 04:22:55,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:22:55,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 04:22:55,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:22:55,619 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 7 states. [2020-09-25 04:22:56,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:22:56,116 INFO L93 Difference]: Finished difference Result 126 states and 151 transitions. [2020-09-25 04:22:56,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 04:22:56,118 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-09-25 04:22:56,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:22:56,133 INFO L225 Difference]: With dead ends: 126 [2020-09-25 04:22:56,134 INFO L226 Difference]: Without dead ends: 66 [2020-09-25 04:22:56,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-09-25 04:22:56,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-09-25 04:22:56,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2020-09-25 04:22:56,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-25 04:22:56,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2020-09-25 04:22:56,217 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 21 [2020-09-25 04:22:56,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:22:56,218 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2020-09-25 04:22:56,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 04:22:56,218 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2020-09-25 04:22:56,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-25 04:22:56,224 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:22:56,224 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:22:56,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:22:56,225 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:22:56,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:22:56,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1154270079, now seen corresponding path program 1 times [2020-09-25 04:22:56,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:22:56,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [44485411] [2020-09-25 04:22:56,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:22:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:22:56,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:56,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:22:57,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:00,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:00,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-25 04:23:00,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:23:00,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4417 [2020-09-25 04:23:00,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:00,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:00,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:23:00,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 04:23:00,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-25 04:23:00,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:23:00,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:23:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:00,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:00,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:00,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 04:23:00,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:00,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:23:00,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:00,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:00,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:00,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:00,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:23:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:00,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:00,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:00,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 04:23:00,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:00,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 04:23:00,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:00,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:23:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 04:23:00,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 04:23:00,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:23:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:00,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:01,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:01,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:23:01,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:01,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 04:23:01,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:01,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:01,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 04:23:01,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:01,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 04:23:01,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:01,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 04:23:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:01,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:01,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:01,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 04:23:01,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:01,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 04:23:01,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:01,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:01,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:23:01,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:01,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 04:23:01,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:01,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:23:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:01,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:01,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:01,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:23:01,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:01,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 04:23:01,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:01,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:01,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:01,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:01,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:01,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 04:23:01,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [44485411] [2020-09-25 04:23:01,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 04:23:01,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 04:23:01,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137277513] [2020-09-25 04:23:01,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:23:01,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:23:01,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:23:01,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:23:01,194 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 9 states. [2020-09-25 04:23:01,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:23:01,622 INFO L93 Difference]: Finished difference Result 100 states and 112 transitions. [2020-09-25 04:23:01,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 04:23:01,622 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-09-25 04:23:01,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:23:01,624 INFO L225 Difference]: With dead ends: 100 [2020-09-25 04:23:01,625 INFO L226 Difference]: Without dead ends: 72 [2020-09-25 04:23:01,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:23:01,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-25 04:23:01,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2020-09-25 04:23:01,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-09-25 04:23:01,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 73 transitions. [2020-09-25 04:23:01,640 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 73 transitions. Word has length 61 [2020-09-25 04:23:01,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:23:01,641 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 73 transitions. [2020-09-25 04:23:01,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:23:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2020-09-25 04:23:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-25 04:23:01,643 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:23:01,643 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:23:01,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:23:01,644 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:23:01,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:23:01,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1531514875, now seen corresponding path program 1 times [2020-09-25 04:23:01,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:23:01,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407062157] [2020-09-25 04:23:01,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:23:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:01,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:02,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:02,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:02,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-25 04:23:02,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:23:02,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1181 [2020-09-25 04:23:02,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:02,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:02,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 04:23:02,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 04:23:02,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 04:23:02,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:03,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:23:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:03,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:03,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:03,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 04:23:03,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:03,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 04:23:03,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:03,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:03,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:23:03,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:03,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:23:03,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:03,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:23:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:03,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:03,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:03,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 04:23:03,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:03,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 04:23:03,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:03,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:03,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:23:03,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:03,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 04:23:03,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:03,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:23:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:03,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:03,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:03,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:23:03,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:03,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:23:03,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:03,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:03,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:03,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:03,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:03,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:03,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 04:23:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:03,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:03,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:03,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 04:23:03,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:03,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 04:23:03,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:03,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:23:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:03,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 04:23:03,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:03,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:23:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:03,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:03,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:03,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:23:03,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:03,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:23:03,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:03,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:03,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:03,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:03,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:03,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:03,251 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-25 04:23:03,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407062157] [2020-09-25 04:23:03,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:23:03,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 04:23:03,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666051554] [2020-09-25 04:23:03,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 04:23:03,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:23:03,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 04:23:03,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 04:23:03,254 INFO L87 Difference]: Start difference. First operand 68 states and 73 transitions. Second operand 8 states. [2020-09-25 04:23:03,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:23:03,876 INFO L93 Difference]: Finished difference Result 107 states and 116 transitions. [2020-09-25 04:23:03,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 04:23:03,878 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2020-09-25 04:23:03,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:23:03,880 INFO L225 Difference]: With dead ends: 107 [2020-09-25 04:23:03,881 INFO L226 Difference]: Without dead ends: 94 [2020-09-25 04:23:03,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 04:23:03,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-09-25 04:23:03,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 87. [2020-09-25 04:23:03,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-09-25 04:23:03,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2020-09-25 04:23:03,896 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 61 [2020-09-25 04:23:03,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:23:03,897 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2020-09-25 04:23:03,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 04:23:03,897 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2020-09-25 04:23:03,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-25 04:23:03,898 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:23:03,899 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:23:03,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:23:03,899 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:23:03,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:23:03,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1057583997, now seen corresponding path program 1 times [2020-09-25 04:23:03,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:23:03,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720301861] [2020-09-25 04:23:03,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:23:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:03,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:04,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:04,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:04,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:08,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:08,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-25 04:23:08,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:23:08,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-09-25 04:23:08,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:08,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:08,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:23:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-09-25 04:23:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 04:23:08,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:23:09,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:23:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:09,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:09,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:09,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 04:23:09,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:09,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 04:23:09,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:09,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:09,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:09,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:09,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:09,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:23:09,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:23:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:09,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:09,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:09,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 04:23:09,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:09,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 04:23:09,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:09,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:09,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:09,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:09,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:09,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:09,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:23:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:09,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:09,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:09,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:23:09,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:09,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:23:09,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:09,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:09,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:09,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:09,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:09,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:23:09,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 04:23:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:09,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:09,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:09,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 04:23:09,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:09,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 04:23:09,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:09,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:09,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:23:09,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:09,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 04:23:09,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:09,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:23:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:09,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:09,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:09,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:23:09,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:09,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 04:23:09,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:09,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:09,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 04:23:09,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:09,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 04:23:09,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:09,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 04:23:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:09,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:09,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:09,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:23:09,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:09,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:23:09,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:09,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:09,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:09,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 04:23:09,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:09,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:09,328 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-25 04:23:09,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720301861] [2020-09-25 04:23:09,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:23:09,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:23:09,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648408252] [2020-09-25 04:23:09,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:23:09,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:23:09,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:23:09,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:23:09,331 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand 10 states. [2020-09-25 04:23:09,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:23:09,769 INFO L93 Difference]: Finished difference Result 131 states and 145 transitions. [2020-09-25 04:23:09,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 04:23:09,769 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-09-25 04:23:09,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:23:09,771 INFO L225 Difference]: With dead ends: 131 [2020-09-25 04:23:09,771 INFO L226 Difference]: Without dead ends: 79 [2020-09-25 04:23:09,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2020-09-25 04:23:09,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-09-25 04:23:09,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-09-25 04:23:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-25 04:23:09,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2020-09-25 04:23:09,808 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 70 [2020-09-25 04:23:09,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:23:09,809 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2020-09-25 04:23:09,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:23:09,809 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2020-09-25 04:23:09,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-25 04:23:09,814 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:23:09,815 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:23:09,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:23:09,816 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:23:09,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:23:09,817 INFO L82 PathProgramCache]: Analyzing trace with hash 2098824736, now seen corresponding path program 1 times [2020-09-25 04:23:09,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:23:09,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187514374] [2020-09-25 04:23:09,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:23:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:09,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:10,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:11,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:11,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-25 04:23:11,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:23:11,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1185 [2020-09-25 04:23:11,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:11,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:11,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 04:23:11,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 04:23:11,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 04:23:11,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:11,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:23:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:11,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:11,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:11,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 04:23:11,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:11,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 04:23:11,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:11,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:11,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:23:11,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:11,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:23:11,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:11,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:23:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:11,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:11,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:11,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 04:23:11,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:11,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 04:23:11,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:11,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:11,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:23:11,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:11,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 04:23:11,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:11,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:23:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:11,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:11,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:11,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:23:11,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:11,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:23:11,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:11,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:11,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:11,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:11,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:11,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 04:23:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:11,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:11,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:11,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 04:23:11,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:11,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 04:23:11,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:11,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:11,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:23:11,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:11,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 04:23:11,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:11,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:23:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:11,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:11,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:11,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:23:11,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:11,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:23:11,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:11,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:11,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:11,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:11,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:11,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:11,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 04:23:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:11,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:11,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:11,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:23:11,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:11,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 04:23:11,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:11,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:11,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:23:11,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:23:11,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 04:23:11,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-25 04:23:11,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187514374] [2020-09-25 04:23:11,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 04:23:11,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 04:23:11,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832814838] [2020-09-25 04:23:11,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:23:11,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:23:11,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:23:11,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:23:11,427 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand 9 states. [2020-09-25 04:23:12,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:23:12,044 INFO L93 Difference]: Finished difference Result 94 states and 100 transitions. [2020-09-25 04:23:12,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 04:23:12,045 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-25 04:23:12,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:23:12,047 INFO L225 Difference]: With dead ends: 94 [2020-09-25 04:23:12,047 INFO L226 Difference]: Without dead ends: 89 [2020-09-25 04:23:12,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-25 04:23:12,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-09-25 04:23:12,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 82. [2020-09-25 04:23:12,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-09-25 04:23:12,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2020-09-25 04:23:12,060 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 70 [2020-09-25 04:23:12,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:23:12,060 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2020-09-25 04:23:12,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:23:12,061 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2020-09-25 04:23:12,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 04:23:12,062 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:23:12,062 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:23:12,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 04:23:12,062 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:23:12,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:23:12,063 INFO L82 PathProgramCache]: Analyzing trace with hash 2039706158, now seen corresponding path program 1 times [2020-09-25 04:23:12,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:23:12,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493356180] [2020-09-25 04:23:12,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:23:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:12,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:12,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:12,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-25 04:23:12,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:12,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 859 [2020-09-25 04:23:12,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:12,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:12,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-25 04:23:12,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 04:23:12,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 04:23:12,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:13,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:23:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:13,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:13,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:13,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 04:23:13,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:13,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 04:23:13,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:13,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:13,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:13,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:13,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:13,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:23:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:13,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:13,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:13,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 04:23:13,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:13,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 04:23:13,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:13,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:13,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:23:13,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:13,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 04:23:13,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:13,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:23:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:13,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:13,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:13,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:23:13,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:13,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 04:23:13,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:13,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:13,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 04:23:13,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 04:23:13,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:13,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 04:23:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:13,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:13,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:13,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 04:23:13,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:13,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-25 04:23:13,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:13,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:13,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 04:23:13,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:23:13,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 04:23:13,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:13,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:23:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:13,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:13,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:13,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:23:13,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:13,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 04:23:13,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:13,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:13,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 04:23:13,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:23:13,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 04:23:13,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:13,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 04:23:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:13,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:13,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:13,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 04:23:13,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:13,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 04:23:13,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:13,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:23:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 04:23:13,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:13,721 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 04:23:13,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493356180] [2020-09-25 04:23:13,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 04:23:13,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-25 04:23:13,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907446025] [2020-09-25 04:23:13,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-25 04:23:13,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:23:13,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-25 04:23:13,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=459, Unknown=0, NotChecked=0, Total=506 [2020-09-25 04:23:13,725 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand 23 states. [2020-09-25 04:23:15,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:23:15,166 INFO L93 Difference]: Finished difference Result 97 states and 105 transitions. [2020-09-25 04:23:15,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 04:23:15,167 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 71 [2020-09-25 04:23:15,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:23:15,169 INFO L225 Difference]: With dead ends: 97 [2020-09-25 04:23:15,169 INFO L226 Difference]: Without dead ends: 89 [2020-09-25 04:23:15,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=188, Invalid=1618, Unknown=0, NotChecked=0, Total=1806 [2020-09-25 04:23:15,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-09-25 04:23:15,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2020-09-25 04:23:15,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-25 04:23:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2020-09-25 04:23:15,197 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 71 [2020-09-25 04:23:15,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:23:15,201 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2020-09-25 04:23:15,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-25 04:23:15,201 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2020-09-25 04:23:15,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-25 04:23:15,203 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:23:15,203 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:23:15,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 04:23:15,203 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:23:15,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:23:15,204 INFO L82 PathProgramCache]: Analyzing trace with hash 2033290459, now seen corresponding path program 1 times [2020-09-25 04:23:15,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:23:15,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974587532] [2020-09-25 04:23:15,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:23:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:15,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:15,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:17,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:17,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-09-25 04:23:17,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:23:17,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2716 [2020-09-25 04:23:17,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:17,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:17,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 04:23:17,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-09-25 04:23:17,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 04:23:17,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:18,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:23:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:18,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:18,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:18,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 04:23:18,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:18,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 04:23:18,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:18,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:18,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:18,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:18,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:18,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:18,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:23:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:18,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:18,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:18,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 04:23:18,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:18,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:23:18,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:18,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:18,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:18,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:18,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:18,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:23:18,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:23:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:18,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:18,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:18,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:23:18,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:18,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:23:18,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:18,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:18,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:18,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:18,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:18,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:18,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 04:23:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:18,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:18,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:18,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 04:23:18,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:18,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:23:18,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:18,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:18,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:18,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:18,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:18,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:18,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:23:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:18,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:18,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:18,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:23:18,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:18,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:23:18,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:18,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:18,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:18,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:18,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:18,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:18,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 04:23:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:18,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:18,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:18,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:23:18,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:18,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:23:18,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:18,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:18,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:18,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:18,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:18,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:18,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-25 04:23:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:18,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:18,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:18,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 04:23:18,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:18,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:23:18,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:18,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:18,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:18,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:18,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:18,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-25 04:23:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:18,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:18,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:18,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:23:18,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:18,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 04:23:18,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:18,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:18,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:23:18,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:18,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:23:18,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-25 04:23:18,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974587532] [2020-09-25 04:23:18,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 04:23:18,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 04:23:18,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225816769] [2020-09-25 04:23:18,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:23:18,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:23:18,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:23:18,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:23:18,215 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand 10 states. [2020-09-25 04:23:18,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:23:18,733 INFO L93 Difference]: Finished difference Result 88 states and 92 transitions. [2020-09-25 04:23:18,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 04:23:18,734 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2020-09-25 04:23:18,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:23:18,735 INFO L225 Difference]: With dead ends: 88 [2020-09-25 04:23:18,735 INFO L226 Difference]: Without dead ends: 79 [2020-09-25 04:23:18,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2020-09-25 04:23:18,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-09-25 04:23:18,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-09-25 04:23:18,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-25 04:23:18,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2020-09-25 04:23:18,746 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 85 [2020-09-25 04:23:18,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:23:18,747 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2020-09-25 04:23:18,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:23:18,747 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2020-09-25 04:23:18,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-25 04:23:18,748 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:23:18,749 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:23:18,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 04:23:18,749 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:23:18,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:23:18,750 INFO L82 PathProgramCache]: Analyzing trace with hash 578402155, now seen corresponding path program 1 times [2020-09-25 04:23:18,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:23:18,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626798174] [2020-09-25 04:23:18,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:23:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:18,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:18,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:19,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:22,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:22,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:23,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:23,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-25 04:23:23,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:23:23,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 04:23:23,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:23,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:23,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 04:23:23,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-25 04:23:23,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 04:23:23,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:23,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:23:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:23,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:23,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:23,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 04:23:23,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:23,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 04:23:23,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:23,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:23,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:23:24,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 04:23:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:24,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:24,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:24,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 04:23:24,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:24,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:23:24,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:24,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:24,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:24,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:24,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:24,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:23:24,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:23:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:24,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:24,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:24,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:23:24,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:24,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:23:24,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:24,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:24,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:24,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:24,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:24,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:24,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 04:23:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:24,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:24,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:24,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 04:23:24,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:24,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:23:24,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:24,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:24,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:24,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:24,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:24,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:24,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:23:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:24,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:24,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:24,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 04:23:24,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:24,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:23:24,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:24,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:24,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:23:24,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:24,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:23:24,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:24,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 04:23:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:24,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:24,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:24,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 04:23:24,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:24,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 04:23:24,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:24,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:24,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:23:24,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:24,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 04:23:24,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:23:24,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-25 04:23:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:24,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:24,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:24,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 04:23:24,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:24,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 04:23:24,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:24,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:24,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:23:24,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:24,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 04:23:24,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:23:24,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-25 04:23:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:23:24,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:23:24,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:23:24,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:23:24,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:23:24,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 04:23:24,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:23:24,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:23:24,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 04:23:24,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:23:24,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:23:24,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:23:24,223 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-25 04:23:24,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626798174] [2020-09-25 04:23:24,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 04:23:24,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 04:23:24,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577505951] [2020-09-25 04:23:24,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:23:24,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:23:24,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:23:24,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:23:24,226 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand 10 states. [2020-09-25 04:23:25,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:23:25,033 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2020-09-25 04:23:25,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 04:23:25,034 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 86 [2020-09-25 04:23:25,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:23:25,035 INFO L225 Difference]: With dead ends: 83 [2020-09-25 04:23:25,035 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 04:23:25,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2020-09-25 04:23:25,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 04:23:25,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 04:23:25,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 04:23:25,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 04:23:25,037 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2020-09-25 04:23:25,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:23:25,037 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 04:23:25,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:23:25,038 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 04:23:25,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 04:23:25,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 04:23:25,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 04:23:25,541 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 13 [2020-09-25 04:23:26,234 INFO L268 CegarLoopResult]: For program point my_mallocFINAL(lines 878 880) no Hoare annotation was computed. [2020-09-25 04:23:26,234 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (or (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= my_malloc_~size 8)) (not (= |my_malloc_#in~size| 8))) [2020-09-25 04:23:26,234 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-09-25 04:23:26,235 INFO L268 CegarLoopResult]: For program point L879-2(line 879) no Hoare annotation was computed. [2020-09-25 04:23:26,235 INFO L264 CegarLoopResult]: At program point my_mallocENTRY(lines 878 880) the Hoare annotation is: (or (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) (not (= |my_malloc_#in~size| 8))) [2020-09-25 04:23:26,235 INFO L268 CegarLoopResult]: For program point my_mallocEXIT(lines 878 880) no Hoare annotation was computed. [2020-09-25 04:23:26,235 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 04:23:26,235 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 04:23:26,235 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line 900) no Hoare annotation was computed. [2020-09-25 04:23:26,235 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= |~#head~0.base| |old(~#head~0.base)|) (= |old(#length)| |#length|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= |~#head~0.offset| |old(~#head~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~elem~0.offset |old(~elem~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~elem~0.base |old(~elem~0.base)|) (= |old(#valid)| |#valid|)) [2020-09-25 04:23:26,236 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-09-25 04:23:26,236 INFO L268 CegarLoopResult]: For program point L900(line 900) no Hoare annotation was computed. [2020-09-25 04:23:26,236 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-09-25 04:23:26,236 INFO L268 CegarLoopResult]: For program point L900-1(line 900) no Hoare annotation was computed. [2020-09-25 04:23:26,236 INFO L268 CegarLoopResult]: For program point L900-2(line 900) no Hoare annotation was computed. [2020-09-25 04:23:26,236 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 04:23:26,236 INFO L268 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-09-25 04:23:26,236 INFO L268 CegarLoopResult]: For program point L896(lines 896 897) no Hoare annotation was computed. [2020-09-25 04:23:26,237 INFO L268 CegarLoopResult]: For program point L896-2(lines 895 898) no Hoare annotation was computed. [2020-09-25 04:23:26,237 INFO L268 CegarLoopResult]: For program point list_delEXIT(lines 895 898) no Hoare annotation was computed. [2020-09-25 04:23:26,237 INFO L264 CegarLoopResult]: At program point list_delENTRY(lines 895 898) the Hoare annotation is: (and (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset)) [2020-09-25 04:23:26,237 INFO L264 CegarLoopResult]: At program point list_addENTRY(lines 889 893) the Hoare annotation is: (or (and (= |old(~elem~0.base)| |list_add_#in~new.base|) (= |old(~elem~0.offset)| |list_add_#in~new.offset|)) (and (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset))) [2020-09-25 04:23:26,237 INFO L268 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-09-25 04:23:26,237 INFO L268 CegarLoopResult]: For program point L891(lines 891 892) no Hoare annotation was computed. [2020-09-25 04:23:26,238 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-09-25 04:23:26,238 INFO L268 CegarLoopResult]: For program point L891-1(line 891) no Hoare annotation was computed. [2020-09-25 04:23:26,238 INFO L268 CegarLoopResult]: For program point L889(lines 889 893) no Hoare annotation was computed. [2020-09-25 04:23:26,238 INFO L264 CegarLoopResult]: At program point L890-2(line 890) the Hoare annotation is: (and (= |old(~elem~0.base)| |list_add_#in~new.base|) (= |old(~elem~0.offset)| |list_add_#in~new.offset|)) [2020-09-25 04:23:26,238 INFO L268 CegarLoopResult]: For program point L891-3(line 891) no Hoare annotation was computed. [2020-09-25 04:23:26,238 INFO L268 CegarLoopResult]: For program point L890-3(line 890) no Hoare annotation was computed. [2020-09-25 04:23:26,238 INFO L268 CegarLoopResult]: For program point L891-4(lines 889 893) no Hoare annotation was computed. [2020-09-25 04:23:26,239 INFO L268 CegarLoopResult]: For program point list_addEXIT(lines 889 893) no Hoare annotation was computed. [2020-09-25 04:23:26,239 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-25 04:23:26,239 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-25 04:23:26,239 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-25 04:23:26,239 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-25 04:23:26,239 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 04:23:26,240 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~elem~0.base ~elem~0.offset) (= ~elem~0.base 0) (< ~elem~0.offset (+ ~elem~0.base 1))) [2020-09-25 04:23:26,240 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 04:23:26,240 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 04:23:26,240 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 902 917) the Hoare annotation is: (or (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base)) (not (= |old(~elem~0.offset)| 0))) [2020-09-25 04:23:26,240 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 902 917) no Hoare annotation was computed. [2020-09-25 04:23:26,240 INFO L264 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (or (and (not (= main_~dev2~0.offset main_~dev1~0.offset)) (or (not (= main_~dev2~0.base ~elem~0.base)) (not (= main_~dev2~0.offset ~elem~0.offset)))) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (not (= |old(~elem~0.offset)| 0)) (and (<= ~elem~0.base 0) (<= 0 ~elem~0.base) (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)) (= ~elem~0.base ~elem~0.offset))) [2020-09-25 04:23:26,241 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 902 917) no Hoare annotation was computed. [2020-09-25 04:23:26,241 INFO L264 CegarLoopResult]: At program point L908(line 908) the Hoare annotation is: (let ((.cse0 (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)))) (or (and .cse0 (not (= main_~dev2~0.offset main_~dev1~0.offset))) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (not (= |old(~elem~0.offset)| 0)) (and (<= ~elem~0.base 0) (<= 0 ~elem~0.base) .cse0 (= ~elem~0.base ~elem~0.offset)))) [2020-09-25 04:23:26,241 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (or (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and (not (= main_~dev2~0.offset main_~dev1~0.offset)) (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)) (or (not (= main_~dev1~0.offset 0)) (not (= main_~dev1~0.base 0))) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base)) (not (= |old(~elem~0.offset)| 0))) [2020-09-25 04:23:26,241 INFO L268 CegarLoopResult]: For program point L906(lines 906 915) no Hoare annotation was computed. [2020-09-25 04:23:26,241 INFO L264 CegarLoopResult]: At program point L907-1(line 907) the Hoare annotation is: (let ((.cse1 (not (= main_~dev2~0.offset main_~dev1~0.offset))) (.cse0 (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)))) (or (and .cse0 .cse1 (not (= main_~dev1~0.offset ~elem~0.offset))) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (not (= |old(~elem~0.offset)| 0)) (and .cse1 .cse0 (= ~elem~0.offset 0) (not (= main_~dev1~0.base 0)) (= |old(~elem~0.base)| ~elem~0.base)))) [2020-09-25 04:23:26,242 INFO L264 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (or (and (= main_~dev1~0.offset ~guard_malloc_counter~0.offset) (not (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset)) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and (= main_~dev1~0.base 0) (= main_~dev1~0.offset 0)) (not (= |old(~elem~0.offset)| 0))) [2020-09-25 04:23:26,242 INFO L268 CegarLoopResult]: For program point L906-1(lines 906 915) no Hoare annotation was computed. [2020-09-25 04:23:26,242 INFO L264 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (or (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base)) (not (= |old(~elem~0.offset)| 0))) [2020-09-25 04:23:26,242 INFO L268 CegarLoopResult]: For program point L905-1(line 905) no Hoare annotation was computed. [2020-09-25 04:23:26,242 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-09-25 04:23:26,242 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-09-25 04:23:26,242 INFO L268 CegarLoopResult]: For program point L905-2(line 905) no Hoare annotation was computed. [2020-09-25 04:23:26,243 INFO L268 CegarLoopResult]: For program point L904-2(line 904) no Hoare annotation was computed. [2020-09-25 04:23:26,243 INFO L264 CegarLoopResult]: At program point __getMemoryENTRY(lines 869 876) the Hoare annotation is: (or (not (= |__getMemory_#in~size| 8)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) (not (= ~elem~0.base ~elem~0.offset)) (not (= ~elem~0.offset 0))) [2020-09-25 04:23:26,243 INFO L268 CegarLoopResult]: For program point __getMemoryEXIT(lines 869 876) no Hoare annotation was computed. [2020-09-25 04:23:26,243 INFO L268 CegarLoopResult]: For program point __getMemoryFINAL(lines 869 876) no Hoare annotation was computed. [2020-09-25 04:23:26,243 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-09-25 04:23:26,243 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-09-25 04:23:26,243 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-09-25 04:23:26,244 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-09-25 04:23:26,244 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 874) no Hoare annotation was computed. [2020-09-25 04:23:26,244 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-09-25 04:23:26,244 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-09-25 04:23:26,244 INFO L268 CegarLoopResult]: For program point L873-2(line 873) no Hoare annotation was computed. [2020-09-25 04:23:26,244 INFO L268 CegarLoopResult]: For program point L873-3(line 873) no Hoare annotation was computed. [2020-09-25 04:23:26,244 INFO L264 CegarLoopResult]: At program point L871-2(line 871) the Hoare annotation is: (or (not (= |__getMemory_#in~size| 8)) (not (= ~elem~0.base ~elem~0.offset)) (not (= ~elem~0.offset 0))) [2020-09-25 04:23:26,245 INFO L268 CegarLoopResult]: For program point L871-3(line 871) no Hoare annotation was computed. [2020-09-25 04:23:26,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 04:23:26 BoogieIcfgContainer [2020-09-25 04:23:26,253 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 04:23:26,255 INFO L168 Benchmark]: Toolchain (without parser) took 33126.83 ms. Allocated memory was 140.5 MB in the beginning and 478.2 MB in the end (delta: 337.6 MB). Free memory was 102.2 MB in the beginning and 353.6 MB in the end (delta: -251.3 MB). Peak memory consumption was 330.6 MB. Max. memory is 7.1 GB. [2020-09-25 04:23:26,256 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-09-25 04:23:26,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.95 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 101.6 MB in the beginning and 167.6 MB in the end (delta: -66.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2020-09-25 04:23:26,258 INFO L168 Benchmark]: Boogie Preprocessor took 71.07 ms. Allocated memory is still 202.9 MB. Free memory was 167.6 MB in the beginning and 164.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2020-09-25 04:23:26,259 INFO L168 Benchmark]: RCFGBuilder took 751.91 ms. Allocated memory is still 202.9 MB. Free memory was 164.4 MB in the beginning and 117.4 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. [2020-09-25 04:23:26,260 INFO L168 Benchmark]: TraceAbstraction took 31609.94 ms. Allocated memory was 202.9 MB in the beginning and 478.2 MB in the end (delta: 275.3 MB). Free memory was 116.8 MB in the beginning and 353.6 MB in the end (delta: -236.8 MB). Peak memory consumption was 282.7 MB. Max. memory is 7.1 GB. [2020-09-25 04:23:26,264 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.95 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 101.6 MB in the beginning and 167.6 MB in the end (delta: -66.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.07 ms. Allocated memory is still 202.9 MB. Free memory was 167.6 MB in the beginning and 164.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 751.91 ms. Allocated memory is still 202.9 MB. Free memory was 164.4 MB in the beginning and 117.4 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31609.94 ms. Allocated memory was 202.9 MB in the beginning and 478.2 MB in the end (delta: 275.3 MB). Free memory was 116.8 MB in the beginning and 353.6 MB in the end (delta: -236.8 MB). Peak memory consumption was 282.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.3s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 469 SDtfs, 702 SDslu, 1234 SDs, 0 SdLazy, 2693 SolverSat, 222 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 88 SyntacticMatches, 3 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 32 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 70 PreInvPairs, 80 NumberOfFragments, 429 HoareAnnotationTreeSize, 70 FomulaSimplifications, 226 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 18 FomulaSimplificationsInter, 1449 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 24.1s InterpolantComputationTime, 525 NumberOfCodeBlocks, 525 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 517 ConstructedInterpolants, 0 QuantifiedInterpolants, 128240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 130/152 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...