/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=0.6 --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 06:40:04,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:40:04,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:40:04,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:40:04,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:40:04,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:40:04,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:40:04,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:40:04,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:40:04,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:40:04,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:40:04,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:40:04,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:40:04,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:40:04,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:40:04,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:40:04,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:40:04,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:40:04,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:40:04,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:40:04,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:40:04,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:40:04,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:40:04,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:40:04,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:40:04,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:40:04,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:40:04,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:40:04,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:40:04,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:40:04,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:40:04,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:40:04,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:40:04,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:40:04,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:40:04,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:40:04,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:40:04,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:40:04,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:40:04,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:40:04,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:40:04,954 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 06:40:05,016 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:40:05,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:40:05,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:40:05,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:40:05,018 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:40:05,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:40:05,019 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:40:05,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:40:05,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:40:05,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:40:05,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:40:05,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:40:05,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:40:05,020 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:40:05,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:40:05,021 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:40:05,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:40:05,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:40:05,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:40:05,022 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:40:05,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:40:05,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:40:05,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:40:05,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:40:05,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:40:05,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:40:05,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:40:05,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:40:05,024 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:40:05,024 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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;log-additional-information=true; [2020-09-25 06:40:05,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:40:05,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:40:05,565 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:40:05,567 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:40:05,569 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:40:05,570 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-09-25 06:40:05,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1ac788f5/f0711bf086e44301a6c0711bd0c53272/FLAG3a29ae627 [2020-09-25 06:40:06,338 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:40:06,339 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-09-25 06:40:06,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1ac788f5/f0711bf086e44301a6c0711bd0c53272/FLAG3a29ae627 [2020-09-25 06:40:06,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1ac788f5/f0711bf086e44301a6c0711bd0c53272 [2020-09-25 06:40:06,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:40:06,607 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:40:06,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:40:06,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:40:06,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:40:06,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:40:06" (1/1) ... [2020-09-25 06:40:06,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ccc9065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:06, skipping insertion in model container [2020-09-25 06:40:06,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:40:06" (1/1) ... [2020-09-25 06:40:06,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:40:06,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:40:07,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:40:07,114 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:40:07,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:40:07,329 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:40:07,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:07 WrapperNode [2020-09-25 06:40:07,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:40:07,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:40:07,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:40:07,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:40:07,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:07" (1/1) ... [2020-09-25 06:40:07,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:07" (1/1) ... [2020-09-25 06:40:07,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:07" (1/1) ... [2020-09-25 06:40:07,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:07" (1/1) ... [2020-09-25 06:40:07,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:07" (1/1) ... [2020-09-25 06:40:07,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:07" (1/1) ... [2020-09-25 06:40:07,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:07" (1/1) ... [2020-09-25 06:40:07,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:40:07,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:40:07,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:40:07,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:40:07,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:07" (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 06:40:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:40:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:40:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-25 06:40:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory [2020-09-25 06:40:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2020-09-25 06:40:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-25 06:40:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-09-25 06:40:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:40:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:40:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-25 06:40:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-09-25 06:40:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-09-25 06:40:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-09-25 06:40:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-09-25 06:40:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-09-25 06:40:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-09-25 06:40:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-09-25 06:40:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-09-25 06:40:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-09-25 06:40:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-09-25 06:40:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-09-25 06:40:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-09-25 06:40:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-09-25 06:40:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-09-25 06:40:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-09-25 06:40:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-09-25 06:40:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-09-25 06:40:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-09-25 06:40:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-09-25 06:40:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-09-25 06:40:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-09-25 06:40:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-09-25 06:40:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-09-25 06:40:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-09-25 06:40:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-09-25 06:40:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-09-25 06:40:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-09-25 06:40:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-09-25 06:40:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-09-25 06:40:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-09-25 06:40:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-09-25 06:40:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-09-25 06:40:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-09-25 06:40:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-09-25 06:40:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-09-25 06:40:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-09-25 06:40:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-09-25 06:40:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-09-25 06:40:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:40:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-09-25 06:40:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-09-25 06:40:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-09-25 06:40:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-09-25 06:40:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-25 06:40:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-09-25 06:40:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-09-25 06:40:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-09-25 06:40:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-09-25 06:40:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-09-25 06:40:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-09-25 06:40:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-09-25 06:40:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-09-25 06:40:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-09-25 06:40:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-09-25 06:40:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-09-25 06:40:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-09-25 06:40:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-09-25 06:40:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-09-25 06:40:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-09-25 06:40:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-09-25 06:40:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-09-25 06:40:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-09-25 06:40:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-09-25 06:40:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-09-25 06:40:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-09-25 06:40:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-09-25 06:40:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-09-25 06:40:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-09-25 06:40:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-09-25 06:40:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-09-25 06:40:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-09-25 06:40:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-09-25 06:40:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-09-25 06:40:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-25 06:40:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-09-25 06:40:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-09-25 06:40:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-09-25 06:40:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-09-25 06:40:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-09-25 06:40:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-09-25 06:40:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-09-25 06:40:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-09-25 06:40:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-09-25 06:40:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-09-25 06:40:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-09-25 06:40:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-09-25 06:40:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-09-25 06:40:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-09-25 06:40:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-09-25 06:40:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-09-25 06:40:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-09-25 06:40:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-09-25 06:40:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-09-25 06:40:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-09-25 06:40:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-09-25 06:40:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-09-25 06:40:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-09-25 06:40:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-09-25 06:40:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-09-25 06:40:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-09-25 06:40:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-09-25 06:40:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:40:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 06:40:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 06:40:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:40:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 06:40:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2020-09-25 06:40:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 06:40:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2020-09-25 06:40:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2020-09-25 06:40:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2020-09-25 06:40:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2020-09-25 06:40:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2020-09-25 06:40:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2020-09-25 06:40:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2020-09-25 06:40:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2020-09-25 06:40:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2020-09-25 06:40:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2020-09-25 06:40:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2020-09-25 06:40:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:40:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory [2020-09-25 06:40:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2020-09-25 06:40:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-25 06:40:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-09-25 06:40:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:40:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:40:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:40:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 06:40:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:40:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:40:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:40:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:40:08,064 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:40:08,064 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 06:40:08,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:40:08 BoogieIcfgContainer [2020-09-25 06:40:08,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:40:08,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:40:08,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:40:08,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:40:08,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:40:06" (1/3) ... [2020-09-25 06:40:08,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3545fb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:40:08, skipping insertion in model container [2020-09-25 06:40:08,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:07" (2/3) ... [2020-09-25 06:40:08,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3545fb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:40:08, skipping insertion in model container [2020-09-25 06:40:08,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:40:08" (3/3) ... [2020-09-25 06:40:08,090 INFO L109 eAbstractionObserver]: Analyzing ICFG rule60_list2.i [2020-09-25 06:40:08,102 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:40:08,112 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:40:08,135 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:40:08,162 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:40:08,162 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:40:08,162 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:40:08,162 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:40:08,162 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:40:08,163 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:40:08,163 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:40:08,163 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:40:08,187 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2020-09-25 06:40:08,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-09-25 06:40:08,196 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:40:08,197 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 06:40:08,198 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:40:08,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:40:08,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1653885127, now seen corresponding path program 1 times [2020-09-25 06:40:08,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:40:08,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [554867115] [2020-09-25 06:40:08,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:40:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:08,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:08,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:08,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 06:40:08,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:08,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 365 [2020-09-25 06:40:08,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:08,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:08,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:40:08,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-25 06:40:08,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:40:08,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 06:40:08,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:40:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:08,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:08,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:08,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 06:40:08,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:08,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 06:40:08,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:08,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:08,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:08,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:08,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:08,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:08,937 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 06:40:08,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [554867115] [2020-09-25 06:40:08,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:40:08,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 06:40:08,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33402221] [2020-09-25 06:40:08,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 06:40:08,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:40:08,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 06:40:08,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:40:08,969 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 7 states. [2020-09-25 06:40:09,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:40:09,493 INFO L93 Difference]: Finished difference Result 126 states and 151 transitions. [2020-09-25 06:40:09,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 06:40:09,496 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-09-25 06:40:09,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:40:09,511 INFO L225 Difference]: With dead ends: 126 [2020-09-25 06:40:09,512 INFO L226 Difference]: Without dead ends: 66 [2020-09-25 06:40:09,517 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 06:40:09,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-09-25 06:40:09,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2020-09-25 06:40:09,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-25 06:40:09,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2020-09-25 06:40:09,594 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 21 [2020-09-25 06:40:09,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:40:09,597 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2020-09-25 06:40:09,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 06:40:09,598 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2020-09-25 06:40:09,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-25 06:40:09,603 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:40:09,604 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 06:40:09,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:40:09,605 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:40:09,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:40:09,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1154270079, now seen corresponding path program 1 times [2020-09-25 06:40:09,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:40:09,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856099922] [2020-09-25 06:40:09,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:40:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:09,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:09,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:10,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:14,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:14,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-25 06:40:14,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:40:14,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4411 [2020-09-25 06:40:14,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:14,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 06:40:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 06:40:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 06:40:14,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 06:40:14,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:40:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:14,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:14,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:14,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 06:40:14,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:14,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 06:40:14,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:14,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:40:14,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:14,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:40:14,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:40:14,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 06:40:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:14,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:14,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:14,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:40:14,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:14,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 06:40:14,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:14,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:14,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:40:14,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:14,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 06:40:14,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 06:40:14,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:40:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:14,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:14,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:14,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:40:14,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:14,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 06:40:14,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:14,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:14,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:14,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:14,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:14,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:40:14,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 06:40:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:14,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:14,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:14,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:40:14,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:14,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 06:40:14,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:14,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:14,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:40:14,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:14,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 06:40:14,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:14,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:40:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:14,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:14,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:14,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:40:14,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:14,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 06:40:14,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:14,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:14,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:14,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:14,725 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 06:40:14,725 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856099922] [2020-09-25 06:40:14,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:40:14,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 06:40:14,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020770604] [2020-09-25 06:40:14,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 06:40:14,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:40:14,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 06:40:14,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 06:40:14,734 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 8 states. [2020-09-25 06:40:15,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:40:15,629 INFO L93 Difference]: Finished difference Result 101 states and 110 transitions. [2020-09-25 06:40:15,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 06:40:15,631 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2020-09-25 06:40:15,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:40:15,634 INFO L225 Difference]: With dead ends: 101 [2020-09-25 06:40:15,634 INFO L226 Difference]: Without dead ends: 88 [2020-09-25 06:40:15,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 06:40:15,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-09-25 06:40:15,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 81. [2020-09-25 06:40:15,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-25 06:40:15,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 89 transitions. [2020-09-25 06:40:15,654 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 89 transitions. Word has length 61 [2020-09-25 06:40:15,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:40:15,655 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 89 transitions. [2020-09-25 06:40:15,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 06:40:15,655 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2020-09-25 06:40:15,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-25 06:40:15,657 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:40:15,658 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 06:40:15,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:40:15,658 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:40:15,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:40:15,659 INFO L82 PathProgramCache]: Analyzing trace with hash -497938342, now seen corresponding path program 1 times [2020-09-25 06:40:15,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:40:15,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [971011579] [2020-09-25 06:40:15,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:40:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:15,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:15,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:16,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:17,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:20,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:20,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-25 06:40:20,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:40:20,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 06:40:20,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:20,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:40:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 06:40:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-25 06:40:20,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:20,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:40:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:20,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:20,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:20,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 06:40:20,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:20,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 06:40:20,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:20,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:20,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:20,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:20,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:20,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:20,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 06:40:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:20,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:20,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:20,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:40:20,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:20,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 06:40:20,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:20,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:20,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:40:20,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:20,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 06:40:20,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:20,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:40:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:20,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:20,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:20,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:40:20,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:20,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 06:40:20,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:20,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:20,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 06:40:20,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:20,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 06:40:20,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:20,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 06:40:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:21,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:21,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:21,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:40:21,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:21,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 06:40:21,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:21,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:21,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:40:21,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:21,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 06:40:21,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:21,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:40:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:21,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:21,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:21,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:40:21,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:21,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 06:40:21,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:21,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:21,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:21,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:21,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:21,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:21,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 06:40:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:21,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:21,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:21,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:40:21,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:21,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 06:40:21,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:21,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:21,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:21,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 06:40:21,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:21,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:21,098 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 06:40:21,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [971011579] [2020-09-25 06:40:21,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 06:40:21,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 06:40:21,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915848309] [2020-09-25 06:40:21,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 06:40:21,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:40:21,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 06:40:21,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 06:40:21,111 INFO L87 Difference]: Start difference. First operand 81 states and 89 transitions. Second operand 10 states. [2020-09-25 06:40:21,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:40:21,871 INFO L93 Difference]: Finished difference Result 134 states and 151 transitions. [2020-09-25 06:40:21,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 06:40:21,875 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-09-25 06:40:21,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:40:21,880 INFO L225 Difference]: With dead ends: 134 [2020-09-25 06:40:21,880 INFO L226 Difference]: Without dead ends: 87 [2020-09-25 06:40:21,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2020-09-25 06:40:21,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-09-25 06:40:21,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-09-25 06:40:21,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-09-25 06:40:21,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2020-09-25 06:40:21,912 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 70 [2020-09-25 06:40:21,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:40:21,915 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2020-09-25 06:40:21,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 06:40:21,915 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2020-09-25 06:40:21,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-25 06:40:21,919 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:40:21,919 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 06:40:21,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:40:21,920 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:40:21,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:40:21,921 INFO L82 PathProgramCache]: Analyzing trace with hash 2098824736, now seen corresponding path program 1 times [2020-09-25 06:40:21,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:40:21,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285649255] [2020-09-25 06:40:21,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:40:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:21,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:22,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:23,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:23,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-25 06:40:23,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:40:23,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1443 [2020-09-25 06:40:23,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:23,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:23,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 06:40:23,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 06:40:23,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 06:40:23,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:23,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:40:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:23,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:23,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:23,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 06:40:23,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:23,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 06:40:23,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:23,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:40:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:40:23,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:23,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 06:40:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:23,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:23,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:23,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:40:23,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:23,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 06:40:23,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:23,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:23,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:40:23,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:23,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 06:40:23,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:23,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:40:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:23,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:23,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:23,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:40:23,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:23,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 06:40:23,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:23,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:23,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:23,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:23,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:23,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:23,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 06:40:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:23,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:23,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:23,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:40:23,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:23,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 06:40:23,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:23,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:23,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:40:23,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:23,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 06:40:23,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:23,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:40:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:23,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:23,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:23,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:40:23,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:23,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:40:23,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:23,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:23,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:23,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:23,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:23,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:23,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 06:40:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:23,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:23,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:23,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:40:23,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:23,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 06:40:23,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:23,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:23,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 06:40:23,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 06:40:23,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 06:40:23,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:23,926 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 06:40:23,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285649255] [2020-09-25 06:40:23,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 06:40:23,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 06:40:23,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066631772] [2020-09-25 06:40:23,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 06:40:23,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:40:23,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 06:40:23,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 06:40:23,932 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand 9 states. [2020-09-25 06:40:24,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:40:24,655 INFO L93 Difference]: Finished difference Result 102 states and 109 transitions. [2020-09-25 06:40:24,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 06:40:24,656 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-25 06:40:24,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:40:24,658 INFO L225 Difference]: With dead ends: 102 [2020-09-25 06:40:24,659 INFO L226 Difference]: Without dead ends: 97 [2020-09-25 06:40:24,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-25 06:40:24,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-09-25 06:40:24,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 90. [2020-09-25 06:40:24,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-09-25 06:40:24,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 97 transitions. [2020-09-25 06:40:24,686 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 97 transitions. Word has length 70 [2020-09-25 06:40:24,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:40:24,687 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 97 transitions. [2020-09-25 06:40:24,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 06:40:24,687 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2020-09-25 06:40:24,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 06:40:24,692 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:40:24,693 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, 1] [2020-09-25 06:40:24,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:40:24,694 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:40:24,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:40:24,694 INFO L82 PathProgramCache]: Analyzing trace with hash -173985679, now seen corresponding path program 1 times [2020-09-25 06:40:24,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:40:24,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1011041206] [2020-09-25 06:40:24,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:40:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:24,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:24,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:25,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:27,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:27,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-25 06:40:27,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:40:27,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2579 [2020-09-25 06:40:27,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:27,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:27,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:40:27,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-09-25 06:40:27,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 06:40:27,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:40:27,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:40:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:27,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:27,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:27,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 06:40:27,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:27,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 06:40:27,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:27,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:27,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:27,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:27,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:27,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:27,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 06:40:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:27,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:27,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:27,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:40:27,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:27,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 06:40:27,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:27,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:27,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:27,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:27,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:40:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:27,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:27,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:27,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:40:27,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:27,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:40:27,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:27,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:27,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:27,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:27,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:27,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:27,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 06:40:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:27,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:27,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:27,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:40:27,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:27,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 06:40:27,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:27,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:27,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:40:27,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:27,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 06:40:27,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:27,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:40:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:27,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:27,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:27,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:40:27,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:27,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 06:40:27,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:27,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:27,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 06:40:27,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:27,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 06:40:27,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:27,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 06:40:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:27,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:27,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:27,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:40:27,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:27,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:40:27,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:27,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 06:40:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:27,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:27,694 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 06:40:27,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1011041206] [2020-09-25 06:40:27,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:40:27,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 06:40:27,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094417278] [2020-09-25 06:40:27,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 06:40:27,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:40:27,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 06:40:27,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 06:40:27,697 INFO L87 Difference]: Start difference. First operand 90 states and 97 transitions. Second operand 10 states. [2020-09-25 06:40:28,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:40:28,185 INFO L93 Difference]: Finished difference Result 137 states and 149 transitions. [2020-09-25 06:40:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 06:40:28,186 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 71 [2020-09-25 06:40:28,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:40:28,187 INFO L225 Difference]: With dead ends: 137 [2020-09-25 06:40:28,187 INFO L226 Difference]: Without dead ends: 82 [2020-09-25 06:40:28,191 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 06:40:28,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-09-25 06:40:28,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2020-09-25 06:40:28,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-09-25 06:40:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2020-09-25 06:40:28,202 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 71 [2020-09-25 06:40:28,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:40:28,203 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2020-09-25 06:40:28,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 06:40:28,203 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2020-09-25 06:40:28,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 06:40:28,204 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:40:28,204 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 06:40:28,205 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 06:40:28,205 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:40:28,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:40:28,205 INFO L82 PathProgramCache]: Analyzing trace with hash 2039706158, now seen corresponding path program 1 times [2020-09-25 06:40:28,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:40:28,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157080351] [2020-09-25 06:40:28,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:40:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:28,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:29,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:29,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-25 06:40:29,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:29,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 923 [2020-09-25 06:40:29,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:29,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:29,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-25 06:40:29,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 06:40:29,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 06:40:29,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:29,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:40:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:29,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:29,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:29,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 06:40:29,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:29,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 06:40:29,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:29,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:29,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:29,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:29,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 06:40:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:29,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:29,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:29,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:40:29,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:29,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 06:40:29,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:29,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:29,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:40:29,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:29,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 06:40:29,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:29,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:40:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:29,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:29,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:29,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:40:29,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:29,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 06:40:29,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:29,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:29,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 06:40:29,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:29,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 06:40:29,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:29,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 06:40:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:29,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:29,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:29,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:40:29,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:29,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-25 06:40:29,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:29,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:29,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 06:40:29,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 06:40:29,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 06:40:29,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:29,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:40:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:29,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:29,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:29,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:40:29,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:29,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 06:40:29,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:29,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:29,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:40:29,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 06:40:29,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 06:40:29,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:29,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 06:40:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:29,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:29,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:29,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:40:29,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:29,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 06:40:29,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:29,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:40:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 06:40:29,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:30,055 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 06:40:30,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157080351] [2020-09-25 06:40:30,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 06:40:30,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-25 06:40:30,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161497487] [2020-09-25 06:40:30,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-25 06:40:30,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:40:30,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-25 06:40:30,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=459, Unknown=0, NotChecked=0, Total=506 [2020-09-25 06:40:30,059 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand 23 states. [2020-09-25 06:40:31,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:40:31,600 INFO L93 Difference]: Finished difference Result 97 states and 105 transitions. [2020-09-25 06:40:31,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 06:40:31,601 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 71 [2020-09-25 06:40:31,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:40:31,603 INFO L225 Difference]: With dead ends: 97 [2020-09-25 06:40:31,603 INFO L226 Difference]: Without dead ends: 89 [2020-09-25 06:40:31,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=188, Invalid=1618, Unknown=0, NotChecked=0, Total=1806 [2020-09-25 06:40:31,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-09-25 06:40:31,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2020-09-25 06:40:31,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-25 06:40:31,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2020-09-25 06:40:31,625 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 71 [2020-09-25 06:40:31,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:40:31,626 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2020-09-25 06:40:31,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-25 06:40:31,626 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2020-09-25 06:40:31,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-25 06:40:31,628 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:40:31,628 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 06:40:31,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 06:40:31,629 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:40:31,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:40:31,629 INFO L82 PathProgramCache]: Analyzing trace with hash 2033290459, now seen corresponding path program 1 times [2020-09-25 06:40:31,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:40:31,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [115973983] [2020-09-25 06:40:31,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:40:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:31,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:32,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:34,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:34,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-09-25 06:40:34,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:40:34,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2746 [2020-09-25 06:40:34,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:34,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:34,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:40:34,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-09-25 06:40:34,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 06:40:34,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:34,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:40:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:34,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:34,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:34,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 06:40:34,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:34,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 06:40:34,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:34,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:34,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:34,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:34,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:34,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:34,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 06:40:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:34,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:34,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:34,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:40:34,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:34,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:40:34,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:34,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:34,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:34,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:34,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:34,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:40:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:34,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:34,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:34,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:40:34,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:34,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 06:40:34,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:34,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:34,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:34,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:34,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:34,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:34,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 06:40:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:34,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:34,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:34,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:40:34,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:34,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 06:40:34,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:34,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:34,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:34,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:34,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:34,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:40:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:34,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:34,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:34,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:40:34,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:34,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 06:40:34,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:34,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:34,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:34,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:34,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 06:40:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:34,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:34,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:34,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:40:34,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:34,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:40:34,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:34,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:34,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:34,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:34,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:34,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:34,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-25 06:40:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:34,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:34,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:34,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:40:34,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:34,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:40:34,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:34,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:34,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:34,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-25 06:40:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:34,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:34,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:34,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:40:34,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:34,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 06:40:34,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:34,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:34,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 06:40:34,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:34,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:40:34,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:34,793 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 06:40:34,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [115973983] [2020-09-25 06:40:34,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 06:40:34,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 06:40:34,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322725158] [2020-09-25 06:40:34,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 06:40:34,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:40:34,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 06:40:34,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 06:40:34,797 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand 10 states. [2020-09-25 06:40:35,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:40:35,388 INFO L93 Difference]: Finished difference Result 88 states and 92 transitions. [2020-09-25 06:40:35,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 06:40:35,389 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2020-09-25 06:40:35,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:40:35,390 INFO L225 Difference]: With dead ends: 88 [2020-09-25 06:40:35,391 INFO L226 Difference]: Without dead ends: 79 [2020-09-25 06:40:35,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2020-09-25 06:40:35,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-09-25 06:40:35,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-09-25 06:40:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-25 06:40:35,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2020-09-25 06:40:35,415 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 85 [2020-09-25 06:40:35,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:40:35,416 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2020-09-25 06:40:35,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 06:40:35,416 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2020-09-25 06:40:35,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-25 06:40:35,417 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:40:35,417 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 06:40:35,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 06:40:35,422 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:40:35,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:40:35,422 INFO L82 PathProgramCache]: Analyzing trace with hash 578402155, now seen corresponding path program 1 times [2020-09-25 06:40:35,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:40:35,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624286673] [2020-09-25 06:40:35,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:40:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:35,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:35,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:35,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:39,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:39,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:40,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:40,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-25 06:40:40,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:40:40,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 06:40:40,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:40,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 06:40:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-25 06:40:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 06:40:40,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:40:40,643 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2020-09-25 06:40:40,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:40:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:40,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:40,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:40,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 06:40:40,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:40,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 06:40:40,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:40,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:40,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:40,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:40,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:40,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:40:40,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 06:40:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:40,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:40,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:40,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:40:40,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:40,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 06:40:40,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:40,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:40,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:40,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:40,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:40,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:40,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:40:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:40,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:40,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:40,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:40:40,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:40,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:40:40,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:40,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:40,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:40,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:40,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:40,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:40,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 06:40:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:40,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:40,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:40,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:40:40,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:40,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 06:40:40,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:40,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:40,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:40,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:40,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:40,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:40:40,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:40:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:40,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:40,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:40,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:40:40,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:40,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:40:40,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:40,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:40,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:40,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:40,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:40,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:40,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 06:40:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:40,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:40,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:40,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:40:40,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:40,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 06:40:40,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:40,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:40,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:40:40,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:40,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 06:40:40,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:40:40,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-25 06:40:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:40,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:40,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:40,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:40:40,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:40,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 06:40:40,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:40,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:40,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:40:40,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:40,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 06:40:40,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:40,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-25 06:40:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:40,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:40,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:40,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:40:40,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:40,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 06:40:40,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:40,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:40,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 06:40:40,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:40,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:40:40,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:40:40,978 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 06:40:40,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624286673] [2020-09-25 06:40:40,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 06:40:40,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 06:40:40,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223487648] [2020-09-25 06:40:40,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 06:40:40,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:40:40,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 06:40:40,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 06:40:40,981 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand 10 states. [2020-09-25 06:40:41,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:40:41,911 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2020-09-25 06:40:41,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 06:40:41,912 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 86 [2020-09-25 06:40:41,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:40:41,912 INFO L225 Difference]: With dead ends: 83 [2020-09-25 06:40:41,912 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 06:40:41,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2020-09-25 06:40:41,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 06:40:41,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 06:40:41,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 06:40:41,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 06:40:41,914 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2020-09-25 06:40:41,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:40:41,914 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 06:40:41,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 06:40:41,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 06:40:41,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:40:41,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 06:40:41,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 06:40:42,451 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 13 [2020-09-25 06:40:43,359 INFO L268 CegarLoopResult]: For program point my_mallocFINAL(lines 878 880) no Hoare annotation was computed. [2020-09-25 06:40:43,360 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (or (not (<= 0 ~elem~0.base)) (not (= ~elem~0.base ~elem~0.offset)) (not (= |my_malloc_#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)|) (= my_malloc_~size 8)) (not (<= ~elem~0.base 0))) [2020-09-25 06:40:43,360 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-09-25 06:40:43,360 INFO L268 CegarLoopResult]: For program point L879-2(line 879) no Hoare annotation was computed. [2020-09-25 06:40:43,360 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 (<= 0 ~elem~0.base)) (not (= ~elem~0.base ~elem~0.offset)) (not (= |my_malloc_#in~size| 8)) (not (<= ~elem~0.base 0))) [2020-09-25 06:40:43,360 INFO L268 CegarLoopResult]: For program point my_mallocEXIT(lines 878 880) no Hoare annotation was computed. [2020-09-25 06:40:43,361 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 06:40:43,364 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 06:40:43,364 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line 900) no Hoare annotation was computed. [2020-09-25 06:40:43,364 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 06:40:43,364 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-09-25 06:40:43,364 INFO L268 CegarLoopResult]: For program point L900(line 900) no Hoare annotation was computed. [2020-09-25 06:40:43,364 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-09-25 06:40:43,365 INFO L268 CegarLoopResult]: For program point L900-1(line 900) no Hoare annotation was computed. [2020-09-25 06:40:43,365 INFO L268 CegarLoopResult]: For program point L900-2(line 900) no Hoare annotation was computed. [2020-09-25 06:40:43,365 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 06:40:43,365 INFO L268 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-09-25 06:40:43,365 INFO L268 CegarLoopResult]: For program point L896(lines 896 897) no Hoare annotation was computed. [2020-09-25 06:40:43,365 INFO L268 CegarLoopResult]: For program point L896-2(lines 895 898) no Hoare annotation was computed. [2020-09-25 06:40:43,365 INFO L268 CegarLoopResult]: For program point list_delEXIT(lines 895 898) no Hoare annotation was computed. [2020-09-25 06:40:43,365 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 06:40:43,366 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 06:40:43,366 INFO L268 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-09-25 06:40:43,366 INFO L268 CegarLoopResult]: For program point L891(lines 891 892) no Hoare annotation was computed. [2020-09-25 06:40:43,366 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-09-25 06:40:43,366 INFO L268 CegarLoopResult]: For program point L891-1(line 891) no Hoare annotation was computed. [2020-09-25 06:40:43,366 INFO L268 CegarLoopResult]: For program point L889(lines 889 893) no Hoare annotation was computed. [2020-09-25 06:40:43,366 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 06:40:43,366 INFO L268 CegarLoopResult]: For program point L891-3(line 891) no Hoare annotation was computed. [2020-09-25 06:40:43,366 INFO L268 CegarLoopResult]: For program point L890-3(line 890) no Hoare annotation was computed. [2020-09-25 06:40:43,367 INFO L268 CegarLoopResult]: For program point L891-4(lines 889 893) no Hoare annotation was computed. [2020-09-25 06:40:43,367 INFO L268 CegarLoopResult]: For program point list_addEXIT(lines 889 893) no Hoare annotation was computed. [2020-09-25 06:40:43,367 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-25 06:40:43,367 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-25 06:40:43,367 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-25 06:40:43,367 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-25 06:40:43,367 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 06:40:43,368 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 06:40:43,368 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 06:40:43,369 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 06:40:43,369 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 06:40:43,369 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 902 917) no Hoare annotation was computed. [2020-09-25 06:40:43,370 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 06:40:43,370 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 902 917) no Hoare annotation was computed. [2020-09-25 06:40:43,370 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 06:40:43,370 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 06:40:43,371 INFO L268 CegarLoopResult]: For program point L906(lines 906 915) no Hoare annotation was computed. [2020-09-25 06:40:43,371 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 06:40:43,371 INFO L264 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (let ((.cse0 (= |old(~elem~0.base)| ~elem~0.base)) (.cse1 (= |old(~elem~0.offset)| ~elem~0.offset))) (or (and (= main_~dev1~0.offset ~guard_malloc_counter~0.offset) (not (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) .cse0 .cse1) (and (= main_~dev1~0.base 0) (= main_~dev1~0.offset 0) .cse0 .cse1) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (not (= |old(~elem~0.offset)| 0)))) [2020-09-25 06:40:43,371 INFO L268 CegarLoopResult]: For program point L906-1(lines 906 915) no Hoare annotation was computed. [2020-09-25 06:40:43,371 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 06:40:43,372 INFO L268 CegarLoopResult]: For program point L905-1(line 905) no Hoare annotation was computed. [2020-09-25 06:40:43,372 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-09-25 06:40:43,372 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-09-25 06:40:43,372 INFO L268 CegarLoopResult]: For program point L905-2(line 905) no Hoare annotation was computed. [2020-09-25 06:40:43,372 INFO L268 CegarLoopResult]: For program point L904-2(line 904) no Hoare annotation was computed. [2020-09-25 06:40:43,372 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 06:40:43,372 INFO L268 CegarLoopResult]: For program point __getMemoryEXIT(lines 869 876) no Hoare annotation was computed. [2020-09-25 06:40:43,372 INFO L268 CegarLoopResult]: For program point __getMemoryFINAL(lines 869 876) no Hoare annotation was computed. [2020-09-25 06:40:43,373 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-09-25 06:40:43,373 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-09-25 06:40:43,373 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-09-25 06:40:43,373 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-09-25 06:40:43,373 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 874) no Hoare annotation was computed. [2020-09-25 06:40:43,373 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-09-25 06:40:43,373 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-09-25 06:40:43,373 INFO L268 CegarLoopResult]: For program point L873-2(line 873) no Hoare annotation was computed. [2020-09-25 06:40:43,373 INFO L268 CegarLoopResult]: For program point L873-3(line 873) no Hoare annotation was computed. [2020-09-25 06:40:43,374 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 06:40:43,374 INFO L268 CegarLoopResult]: For program point L871-3(line 871) no Hoare annotation was computed. [2020-09-25 06:40:43,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 06:40:43 BoogieIcfgContainer [2020-09-25 06:40:43,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 06:40:43,391 INFO L168 Benchmark]: Toolchain (without parser) took 36781.53 ms. Allocated memory was 116.4 MB in the beginning and 386.9 MB in the end (delta: 270.5 MB). Free memory was 72.7 MB in the beginning and 290.2 MB in the end (delta: -217.5 MB). Peak memory consumption was 250.8 MB. Max. memory is 7.1 GB. [2020-09-25 06:40:43,393 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 116.4 MB. Free memory was 91.3 MB in the beginning and 91.1 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. [2020-09-25 06:40:43,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.52 ms. Allocated memory was 116.4 MB in the beginning and 171.4 MB in the end (delta: 55.1 MB). Free memory was 72.1 MB in the beginning and 144.4 MB in the end (delta: -72.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2020-09-25 06:40:43,395 INFO L168 Benchmark]: Boogie Preprocessor took 72.98 ms. Allocated memory is still 171.4 MB. Free memory was 144.4 MB in the beginning and 141.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-09-25 06:40:43,396 INFO L168 Benchmark]: RCFGBuilder took 665.75 ms. Allocated memory is still 171.4 MB. Free memory was 141.4 MB in the beginning and 94.7 MB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 7.1 GB. [2020-09-25 06:40:43,399 INFO L168 Benchmark]: TraceAbstraction took 35301.21 ms. Allocated memory was 185.6 MB in the beginning and 386.9 MB in the end (delta: 201.3 MB). Free memory was 165.0 MB in the beginning and 290.2 MB in the end (delta: -125.2 MB). Peak memory consumption was 273.8 MB. Max. memory is 7.1 GB. [2020-09-25 06:40:43,410 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 116.4 MB. Free memory was 91.3 MB in the beginning and 91.1 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 722.52 ms. Allocated memory was 116.4 MB in the beginning and 171.4 MB in the end (delta: 55.1 MB). Free memory was 72.1 MB in the beginning and 144.4 MB in the end (delta: -72.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.98 ms. Allocated memory is still 171.4 MB. Free memory was 144.4 MB in the beginning and 141.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 665.75 ms. Allocated memory is still 171.4 MB. Free memory was 141.4 MB in the beginning and 94.7 MB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35301.21 ms. Allocated memory was 185.6 MB in the beginning and 386.9 MB in the end (delta: 201.3 MB). Free memory was 165.0 MB in the beginning and 290.2 MB in the end (delta: -125.2 MB). Peak memory consumption was 273.8 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: 33.7s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 466 SDtfs, 748 SDslu, 1125 SDs, 0 SdLazy, 2761 SolverSat, 244 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 238 GetRequests, 89 SyntacticMatches, 3 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=4, 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, 28 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 74 PreInvPairs, 84 NumberOfFragments, 459 HoareAnnotationTreeSize, 74 FomulaSimplifications, 226 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 18 FomulaSimplificationsInter, 1476 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 26.3s InterpolantComputationTime, 535 NumberOfCodeBlocks, 535 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 527 ConstructedInterpolants, 0 QuantifiedInterpolants, 129042 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 133/155 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...