/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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 14:34:34,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:34:34,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:34:34,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:34:34,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:34:34,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:34:34,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:34:34,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:34:34,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:34:34,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:34:34,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:34:34,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:34:34,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:34:34,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:34:34,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:34:34,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:34:34,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:34:34,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:34:34,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:34:34,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:34:34,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:34:34,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:34:34,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:34:34,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:34:34,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:34:34,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:34:34,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:34:34,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:34:34,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:34:34,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:34:34,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:34:34,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:34:34,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:34:34,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:34:34,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:34:34,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:34:34,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:34:34,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:34:34,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:34:34,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:34:34,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:34:34,926 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 14:34:34,975 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:34:34,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:34:34,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:34:34,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:34:34,979 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:34:34,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:34:34,979 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:34:34,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:34:34,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:34:34,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:34:34,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:34:34,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:34:34,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:34:34,982 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:34:34,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:34:34,982 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:34:34,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:34:34,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:34:34,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:34:34,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:34:34,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:34:34,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:34:34,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:34:34,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:34:34,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:34:34,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:34:34,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:34:34,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:34:34,985 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:34:34,985 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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:34:35,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:34:35,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:34:35,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:34:35,513 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:34:35,513 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:34:35,514 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-09-25 14:34:35,595 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9922421d9/f018ea72c8f747bf9ac81f68bd9c0e8e/FLAG9ad6f65ce [2020-09-25 14:34:36,210 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:34:36,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-09-25 14:34:36,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9922421d9/f018ea72c8f747bf9ac81f68bd9c0e8e/FLAG9ad6f65ce [2020-09-25 14:34:36,536 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9922421d9/f018ea72c8f747bf9ac81f68bd9c0e8e [2020-09-25 14:34:36,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:34:36,555 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:34:36,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:34:36,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:34:36,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:34:36,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:34:36" (1/1) ... [2020-09-25 14:34:36,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd6b12e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:36, skipping insertion in model container [2020-09-25 14:34:36,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:34:36" (1/1) ... [2020-09-25 14:34:36,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:34:36,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:34:37,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:34:37,110 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:34:37,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:34:37,225 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:34:37,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:37 WrapperNode [2020-09-25 14:34:37,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:34:37,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:34:37,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:34:37,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:34:37,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:37" (1/1) ... [2020-09-25 14:34:37,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:37" (1/1) ... [2020-09-25 14:34:37,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:37" (1/1) ... [2020-09-25 14:34:37,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:37" (1/1) ... [2020-09-25 14:34:37,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:37" (1/1) ... [2020-09-25 14:34:37,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:37" (1/1) ... [2020-09-25 14:34:37,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:37" (1/1) ... [2020-09-25 14:34:37,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:34:37,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:34:37,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:34:37,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:34:37,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:37" (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 14:34:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:34:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:34:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-25 14:34:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory [2020-09-25 14:34:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2020-09-25 14:34:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-25 14:34:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-09-25 14:34:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:34:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:34:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-25 14:34:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-09-25 14:34:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-09-25 14:34:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-09-25 14:34:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-09-25 14:34:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-09-25 14:34:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-09-25 14:34:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-09-25 14:34:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-09-25 14:34:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-09-25 14:34:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-09-25 14:34:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-09-25 14:34:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-09-25 14:34:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-09-25 14:34:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-09-25 14:34:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-09-25 14:34:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-09-25 14:34:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-09-25 14:34:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-09-25 14:34:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-09-25 14:34:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-09-25 14:34:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-09-25 14:34:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-09-25 14:34:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-09-25 14:34:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-09-25 14:34:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-09-25 14:34:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-09-25 14:34:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-09-25 14:34:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-09-25 14:34:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-09-25 14:34:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-09-25 14:34:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-09-25 14:34:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-09-25 14:34:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-09-25 14:34:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-09-25 14:34:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-09-25 14:34:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-09-25 14:34:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-09-25 14:34:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-09-25 14:34:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:34:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-09-25 14:34:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-09-25 14:34:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-09-25 14:34:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-09-25 14:34:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-25 14:34:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-09-25 14:34:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-09-25 14:34:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-09-25 14:34:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-09-25 14:34:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-09-25 14:34:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-09-25 14:34:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-09-25 14:34:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-09-25 14:34:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-09-25 14:34:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-09-25 14:34:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-09-25 14:34:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-09-25 14:34:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-09-25 14:34:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-09-25 14:34:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-09-25 14:34:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-09-25 14:34:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-09-25 14:34:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-09-25 14:34:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-09-25 14:34:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-09-25 14:34:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-09-25 14:34:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-09-25 14:34:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-09-25 14:34:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-09-25 14:34:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-09-25 14:34:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-09-25 14:34:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-09-25 14:34:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-09-25 14:34:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-09-25 14:34:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-25 14:34:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-09-25 14:34:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-09-25 14:34:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-09-25 14:34:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-09-25 14:34:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-09-25 14:34:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-09-25 14:34:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-09-25 14:34:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-09-25 14:34:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-09-25 14:34:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-09-25 14:34:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-09-25 14:34:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-09-25 14:34:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-09-25 14:34:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-09-25 14:34:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-09-25 14:34:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-09-25 14:34:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-09-25 14:34:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-09-25 14:34:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-09-25 14:34:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-09-25 14:34:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-09-25 14:34:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-09-25 14:34:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-09-25 14:34:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-09-25 14:34:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-09-25 14:34:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-09-25 14:34:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-09-25 14:34:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:34:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 14:34:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 14:34:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:34:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 14:34:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2020-09-25 14:34:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 14:34:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2020-09-25 14:34:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2020-09-25 14:34:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2020-09-25 14:34:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2020-09-25 14:34:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2020-09-25 14:34:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2020-09-25 14:34:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2020-09-25 14:34:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2020-09-25 14:34:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2020-09-25 14:34:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2020-09-25 14:34:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2020-09-25 14:34:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:34:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory [2020-09-25 14:34:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2020-09-25 14:34:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-25 14:34:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-09-25 14:34:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:34:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:34:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:34:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 14:34:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:34:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:34:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:34:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:34:37,939 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:34:37,939 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 14:34:37,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:34:37 BoogieIcfgContainer [2020-09-25 14:34:37,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:34:37,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:34:37,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:34:37,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:34:37,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:34:36" (1/3) ... [2020-09-25 14:34:37,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0f8ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:34:37, skipping insertion in model container [2020-09-25 14:34:37,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:37" (2/3) ... [2020-09-25 14:34:37,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0f8ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:34:37, skipping insertion in model container [2020-09-25 14:34:37,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:34:37" (3/3) ... [2020-09-25 14:34:37,953 INFO L109 eAbstractionObserver]: Analyzing ICFG rule60_list2.i [2020-09-25 14:34:37,965 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:34:37,976 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:34:37,996 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:34:38,024 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:34:38,024 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:34:38,025 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:34:38,025 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:34:38,025 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:34:38,025 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:34:38,025 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:34:38,025 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:34:38,050 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2020-09-25 14:34:38,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-09-25 14:34:38,058 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:34:38,060 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 14:34:38,060 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:34:38,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:34:38,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1653885127, now seen corresponding path program 1 times [2020-09-25 14:34:38,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:34:38,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1068599311] [2020-09-25 14:34:38,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:34:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:38,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:38,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:38,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 14:34:38,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:38,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 366 [2020-09-25 14:34:38,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:38,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:38,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:34:38,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-25 14:34:38,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:34:38,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 14:34:38,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:34:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:38,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:38,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:38,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:34:38,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:38,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 14:34:38,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:38,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:34:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:34:38,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:34:38,889 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 14:34:38,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1068599311] [2020-09-25 14:34:38,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:34:38,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:34:38,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278167593] [2020-09-25 14:34:38,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:34:38,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:34:38,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:34:38,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:34:38,922 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 7 states. [2020-09-25 14:34:39,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:34:39,436 INFO L93 Difference]: Finished difference Result 126 states and 151 transitions. [2020-09-25 14:34:39,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 14:34:39,438 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-09-25 14:34:39,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:34:39,454 INFO L225 Difference]: With dead ends: 126 [2020-09-25 14:34:39,454 INFO L226 Difference]: Without dead ends: 66 [2020-09-25 14:34:39,460 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 14:34:39,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-09-25 14:34:39,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2020-09-25 14:34:39,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-25 14:34:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2020-09-25 14:34:39,525 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 21 [2020-09-25 14:34:39,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:34:39,526 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2020-09-25 14:34:39,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:34:39,526 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2020-09-25 14:34:39,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-25 14:34:39,530 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:34:39,530 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 14:34:39,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:34:39,531 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:34:39,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:34:39,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1154270079, now seen corresponding path program 1 times [2020-09-25 14:34:39,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:34:39,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [86815225] [2020-09-25 14:34:39,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:34:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:39,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:39,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:40,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:44,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:44,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-25 14:34:44,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:34:44,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4498 [2020-09-25 14:34:44,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:44,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:44,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:34:44,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 14:34:44,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-25 14:34:44,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:34:44,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:34:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:44,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:44,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:44,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:34:44,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:44,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:34:44,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:44,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:44,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:34:44,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:44,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:34:44,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:44,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:34:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:44,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:44,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:44,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:34:44,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:44,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 14:34:44,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:44,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:44,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:34:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 14:34:44,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:44,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:34:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:44,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:44,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:44,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:34:44,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:44,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 14:34:44,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:44,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:44,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 14:34:44,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:44,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 14:34:44,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:44,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 14:34:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:44,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:44,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:44,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:34:44,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:44,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 14:34:44,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:44,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:44,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:34:44,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:44,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:34:44,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:44,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:34:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:44,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:44,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:44,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:34:44,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:44,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:34:44,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:44,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:44,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:34:44,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:44,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:34:44,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:44,404 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 14:34:44,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [86815225] [2020-09-25 14:34:44,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:34:44,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 14:34:44,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833692837] [2020-09-25 14:34:44,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:34:44,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:34:44,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:34:44,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:34:44,408 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 9 states. [2020-09-25 14:34:44,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:34:44,715 INFO L93 Difference]: Finished difference Result 100 states and 112 transitions. [2020-09-25 14:34:44,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 14:34:44,715 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-09-25 14:34:44,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:34:44,718 INFO L225 Difference]: With dead ends: 100 [2020-09-25 14:34:44,718 INFO L226 Difference]: Without dead ends: 72 [2020-09-25 14:34:44,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:34:44,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-25 14:34:44,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2020-09-25 14:34:44,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-09-25 14:34:44,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 73 transitions. [2020-09-25 14:34:44,734 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 73 transitions. Word has length 61 [2020-09-25 14:34:44,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:34:44,734 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 73 transitions. [2020-09-25 14:34:44,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 14:34:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2020-09-25 14:34:44,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-25 14:34:44,736 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:34:44,737 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 14:34:44,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:34:44,737 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:34:44,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:34:44,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1531514875, now seen corresponding path program 1 times [2020-09-25 14:34:44,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:34:44,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [793178919] [2020-09-25 14:34:44,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:34:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:44,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:45,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:46,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:46,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-25 14:34:46,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:34:46,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1295 [2020-09-25 14:34:46,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:46,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:46,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 14:34:46,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 14:34:46,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 14:34:46,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:46,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:34:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:46,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:46,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:46,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:34:46,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:46,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 14:34:46,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:46,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:46,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:34:46,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:46,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:34:46,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:46,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:34:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:46,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:46,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:46,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:34:46,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:46,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 14:34:46,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:46,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:46,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:34:46,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:46,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:34:46,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:46,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:34:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:46,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:46,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:46,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:34:46,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:46,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:34:46,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:46,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:46,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:34:46,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:46,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:34:46,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:34:46,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 14:34:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:46,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:46,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:46,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:34:46,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:46,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 14:34:46,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:46,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:46,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:34:46,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:46,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:34:46,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:46,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:34:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:46,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:46,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:46,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:34:46,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:46,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:34:46,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:46,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:46,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:34:46,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:46,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:34:46,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:46,494 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 14:34:46,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [793178919] [2020-09-25 14:34:46,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:34:46,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:34:46,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646055814] [2020-09-25 14:34:46,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:34:46,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:34:46,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:34:46,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:34:46,498 INFO L87 Difference]: Start difference. First operand 68 states and 73 transitions. Second operand 8 states. [2020-09-25 14:34:47,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:34:47,224 INFO L93 Difference]: Finished difference Result 107 states and 116 transitions. [2020-09-25 14:34:47,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 14:34:47,228 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2020-09-25 14:34:47,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:34:47,232 INFO L225 Difference]: With dead ends: 107 [2020-09-25 14:34:47,233 INFO L226 Difference]: Without dead ends: 94 [2020-09-25 14:34:47,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 14:34:47,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-09-25 14:34:47,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 87. [2020-09-25 14:34:47,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-09-25 14:34:47,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2020-09-25 14:34:47,269 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 61 [2020-09-25 14:34:47,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:34:47,270 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2020-09-25 14:34:47,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:34:47,271 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2020-09-25 14:34:47,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-25 14:34:47,288 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:34:47,289 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:34:47,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:34:47,289 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:34:47,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:34:47,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1057583997, now seen corresponding path program 1 times [2020-09-25 14:34:47,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:34:47,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2021220814] [2020-09-25 14:34:47,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:34:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:47,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:47,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:47,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:48,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:52,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:52,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-25 14:34:52,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:34:52,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 14:34:52,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:52,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:52,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 14:34:52,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 14:34:52,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 14:34:52,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:52,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:34:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:52,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:52,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:52,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:34:52,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:52,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 14:34:52,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:52,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:52,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:34:52,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:52,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:34:52,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:52,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:34:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:52,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:52,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:52,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:34:52,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:52,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 14:34:52,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:52,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:52,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:34:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:34:52,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:52,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:34:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:52,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:52,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:52,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:34:52,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:52,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:34:52,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:52,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:52,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:34:52,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:52,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:34:52,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:52,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 14:34:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:52,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:52,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:52,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:34:52,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:52,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 14:34:52,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:52,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:52,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:34:52,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:52,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:34:52,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:52,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:34:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:52,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:52,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:52,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:34:52,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:52,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:34:52,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:52,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:34:52,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:52,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:34:52,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:52,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 14:34:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:52,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:52,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:52,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:34:52,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:52,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 14:34:52,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:52,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:52,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:34:52,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:34:52,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:34:52,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:52,768 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 14:34:52,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2021220814] [2020-09-25 14:34:52,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:34:52,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 14:34:52,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383531149] [2020-09-25 14:34:52,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:34:52,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:34:52,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:34:52,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:34:52,772 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand 9 states. [2020-09-25 14:34:53,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:34:53,479 INFO L93 Difference]: Finished difference Result 102 states and 109 transitions. [2020-09-25 14:34:53,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 14:34:53,480 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-25 14:34:53,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:34:53,482 INFO L225 Difference]: With dead ends: 102 [2020-09-25 14:34:53,482 INFO L226 Difference]: Without dead ends: 97 [2020-09-25 14:34:53,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-25 14:34:53,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-09-25 14:34:53,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 90. [2020-09-25 14:34:53,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-09-25 14:34:53,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 97 transitions. [2020-09-25 14:34:53,507 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 97 transitions. Word has length 70 [2020-09-25 14:34:53,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:34:53,507 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 97 transitions. [2020-09-25 14:34:53,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 14:34:53,507 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2020-09-25 14:34:53,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 14:34:53,511 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:34:53,512 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 14:34:53,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:34:53,513 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:34:53,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:34:53,513 INFO L82 PathProgramCache]: Analyzing trace with hash -173985679, now seen corresponding path program 1 times [2020-09-25 14:34:53,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:34:53,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [211404822] [2020-09-25 14:34:53,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:34:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:53,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:53,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:54,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:55,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:55,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-25 14:34:55,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:34:55,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2408 [2020-09-25 14:34:55,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:55,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:55,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 14:34:55,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 14:34:55,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 14:34:55,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:56,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:34:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:56,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:56,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:56,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:34:56,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:56,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 14:34:56,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:56,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:56,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:34:56,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:56,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:34:56,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:34:56,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:34:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:56,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:56,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:56,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:34:56,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:56,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 14:34:56,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:56,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:56,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:34:56,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:56,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:34:56,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:34:56,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:34:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:56,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:56,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:56,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:34:56,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:56,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:34:56,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:56,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:56,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:34:56,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:56,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:34:56,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:56,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 14:34:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:56,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:56,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:56,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:34:56,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:56,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 14:34:56,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:56,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:56,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:34:56,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:56,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:34:56,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:56,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:34:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:56,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:56,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:56,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:34:56,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:56,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 14:34:56,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:56,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 14:34:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 14:34:56,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:56,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 14:34:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:56,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:56,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:56,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:34:56,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:56,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 14:34:56,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:56,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:34:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:34:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 14:34:56,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:34:56,490 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 14:34:56,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [211404822] [2020-09-25 14:34:56,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:34:56,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 14:34:56,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329403408] [2020-09-25 14:34:56,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 14:34:56,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:34:56,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 14:34:56,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-09-25 14:34:56,493 INFO L87 Difference]: Start difference. First operand 90 states and 97 transitions. Second operand 13 states. [2020-09-25 14:34:57,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:34:57,497 INFO L93 Difference]: Finished difference Result 142 states and 153 transitions. [2020-09-25 14:34:57,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 14:34:57,498 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 71 [2020-09-25 14:34:57,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:34:57,500 INFO L225 Difference]: With dead ends: 142 [2020-09-25 14:34:57,500 INFO L226 Difference]: Without dead ends: 87 [2020-09-25 14:34:57,502 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=145, Invalid=667, Unknown=0, NotChecked=0, Total=812 [2020-09-25 14:34:57,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-09-25 14:34:57,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 82. [2020-09-25 14:34:57,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-09-25 14:34:57,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2020-09-25 14:34:57,516 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 71 [2020-09-25 14:34:57,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:34:57,516 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2020-09-25 14:34:57,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 14:34:57,517 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2020-09-25 14:34:57,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 14:34:57,518 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:34:57,518 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 14:34:57,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 14:34:57,518 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:34:57,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:34:57,519 INFO L82 PathProgramCache]: Analyzing trace with hash 2039706158, now seen corresponding path program 1 times [2020-09-25 14:34:57,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:34:57,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [622012935] [2020-09-25 14:34:57,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:34:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:57,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:58,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:58,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-25 14:34:58,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:58,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 862 [2020-09-25 14:34:58,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:58,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-25 14:34:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 14:34:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 14:34:58,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:58,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:34:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:58,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:58,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:58,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:34:58,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:58,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 14:34:58,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:58,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:58,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:34:58,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:58,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:34:58,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:58,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:34:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:58,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:58,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:58,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:34:58,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:58,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 14:34:58,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:58,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:58,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:34:58,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:58,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 14:34:58,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:58,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:34:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:58,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:58,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:58,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:34:58,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:58,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 14:34:58,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:58,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:58,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 14:34:58,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:58,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 14:34:58,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:58,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 14:34:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:58,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:58,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:58,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:34:58,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:58,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 14:34:58,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:58,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 14:34:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:34:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 14:34:58,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:34:58,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:34:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:58,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:58,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:58,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:34:58,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:58,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 14:34:58,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:58,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:58,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:34:58,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:34:58,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 14:34:58,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:59,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 14:34:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:34:59,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:34:59,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:34:59,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:34:59,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:34:59,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 14:34:59,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:34:59,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:34:59,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:34:59,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:34:59,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 14:34:59,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:34:59,096 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 14:34:59,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [622012935] [2020-09-25 14:34:59,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:34:59,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-25 14:34:59,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950979033] [2020-09-25 14:34:59,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-25 14:34:59,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:34:59,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-25 14:34:59,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=459, Unknown=0, NotChecked=0, Total=506 [2020-09-25 14:34:59,100 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand 23 states. [2020-09-25 14:35:00,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:35:00,655 INFO L93 Difference]: Finished difference Result 97 states and 105 transitions. [2020-09-25 14:35:00,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 14:35:00,656 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 71 [2020-09-25 14:35:00,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:35:00,657 INFO L225 Difference]: With dead ends: 97 [2020-09-25 14:35:00,657 INFO L226 Difference]: Without dead ends: 89 [2020-09-25 14:35:00,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=188, Invalid=1618, Unknown=0, NotChecked=0, Total=1806 [2020-09-25 14:35:00,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-09-25 14:35:00,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2020-09-25 14:35:00,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-25 14:35:00,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2020-09-25 14:35:00,669 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 71 [2020-09-25 14:35:00,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:35:00,669 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2020-09-25 14:35:00,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-25 14:35:00,670 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2020-09-25 14:35:00,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-25 14:35:00,671 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:35:00,671 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 14:35:00,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 14:35:00,672 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:35:00,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:35:00,672 INFO L82 PathProgramCache]: Analyzing trace with hash 2033290459, now seen corresponding path program 1 times [2020-09-25 14:35:00,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:35:00,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [522351000] [2020-09-25 14:35:00,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:35:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:00,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:01,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:03,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:03,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-09-25 14:35:03,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:35:03,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2560 [2020-09-25 14:35:03,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:03,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:03,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-09-25 14:35:03,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 14:35:03,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-25 14:35:03,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:35:03,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:35:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:03,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:03,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:03,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:35:03,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:03,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 14:35:03,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:03,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:03,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:35:03,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:03,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:35:03,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:35:03,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:35:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:03,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:03,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:03,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:35:03,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:03,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 14:35:03,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:03,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:03,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:35:03,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:03,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 14:35:03,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:35:03,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:35:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:03,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:03,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:03,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:35:03,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:03,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 14:35:03,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:03,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:03,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 14:35:03,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:03,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 14:35:03,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:35:03,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 14:35:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:03,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:03,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:03,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:35:03,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:03,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 14:35:03,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:03,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:03,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 14:35:03,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:35:03,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 14:35:03,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:35:03,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:35:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:03,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:03,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:03,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:35:03,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:03,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 14:35:03,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:03,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:03,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:35:03,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:35:03,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 14:35:03,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:35:03,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 14:35:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:03,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:03,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:03,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:35:03,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:03,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 14:35:03,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:03,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:03,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:35:03,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:03,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 14:35:03,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:03,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-25 14:35:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:03,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:03,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:03,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:35:03,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:03,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 14:35:03,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:03,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:03,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:35:03,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:03,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 14:35:03,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:03,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-25 14:35:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:03,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:03,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:03,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:35:03,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:03,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:35:03,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:03,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:03,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:35:03,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:35:03,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:35:03,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:03,978 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-25 14:35:03,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [522351000] [2020-09-25 14:35:03,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:35:03,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-25 14:35:03,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007134909] [2020-09-25 14:35:03,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-25 14:35:03,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:35:03,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-25 14:35:03,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2020-09-25 14:35:03,981 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand 24 states. [2020-09-25 14:35:05,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:35:05,385 INFO L93 Difference]: Finished difference Result 89 states and 95 transitions. [2020-09-25 14:35:05,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 14:35:05,387 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 85 [2020-09-25 14:35:05,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:35:05,388 INFO L225 Difference]: With dead ends: 89 [2020-09-25 14:35:05,393 INFO L226 Difference]: Without dead ends: 82 [2020-09-25 14:35:05,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=210, Invalid=1682, Unknown=0, NotChecked=0, Total=1892 [2020-09-25 14:35:05,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-09-25 14:35:05,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2020-09-25 14:35:05,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-09-25 14:35:05,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2020-09-25 14:35:05,416 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 85 [2020-09-25 14:35:05,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:35:05,416 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2020-09-25 14:35:05,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-25 14:35:05,417 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2020-09-25 14:35:05,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-25 14:35:05,421 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:35:05,421 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 14:35:05,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 14:35:05,422 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:35:05,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:35:05,422 INFO L82 PathProgramCache]: Analyzing trace with hash 571953633, now seen corresponding path program 2 times [2020-09-25 14:35:05,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:35:05,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209654220] [2020-09-25 14:35:05,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:35:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:05,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:05,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:06,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:06,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-09-25 14:35:06,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:35:06,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1410 [2020-09-25 14:35:06,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:06,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:06,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 14:35:06,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-09-25 14:35:06,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 14:35:06,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:35:06,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:35:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:06,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:06,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:06,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:35:06,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:06,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 14:35:06,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:06,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:06,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:35:06,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:06,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:35:06,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:35:06,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:35:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:06,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:06,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:06,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:35:06,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:06,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:35:06,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:06,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:06,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:35:06,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:06,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:35:06,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:06,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:35:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:06,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:06,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:06,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:35:06,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:06,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:35:06,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:06,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:06,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:35:06,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:06,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:35:06,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:35:06,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 14:35:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:06,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:06,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:06,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:35:06,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:06,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:35:06,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:06,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:06,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:35:06,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:06,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:35:06,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:06,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:35:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:06,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:07,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:07,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:35:07,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:07,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:35:07,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:07,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:07,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:35:07,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:07,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:35:07,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:07,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 14:35:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:07,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:07,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:07,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:35:07,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:07,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 14:35:07,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:07,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:07,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:35:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 14:35:07,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:35:07,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-25 14:35:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:07,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:07,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:07,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:35:07,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:07,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 14:35:07,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:07,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:07,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:35:07,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:35:07,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:35:07,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:07,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-25 14:35:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:07,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:07,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:07,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:35:07,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 14:35:07,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:07,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:35:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:35:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:35:07,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:07,186 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-25 14:35:07,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209654220] [2020-09-25 14:35:07,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:35:07,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 14:35:07,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121630988] [2020-09-25 14:35:07,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:35:07,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:35:07,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:35:07,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:35:07,188 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand 10 states. [2020-09-25 14:35:07,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:35:07,777 INFO L93 Difference]: Finished difference Result 89 states and 94 transitions. [2020-09-25 14:35:07,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 14:35:07,777 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2020-09-25 14:35:07,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:35:07,779 INFO L225 Difference]: With dead ends: 89 [2020-09-25 14:35:07,779 INFO L226 Difference]: Without dead ends: 80 [2020-09-25 14:35:07,780 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2020-09-25 14:35:07,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-09-25 14:35:07,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 79. [2020-09-25 14:35:07,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-25 14:35:07,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2020-09-25 14:35:07,789 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 85 [2020-09-25 14:35:07,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:35:07,789 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2020-09-25 14:35:07,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 14:35:07,789 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2020-09-25 14:35:07,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-25 14:35:07,791 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:35:07,791 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 14:35:07,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 14:35:07,791 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:35:07,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:35:07,792 INFO L82 PathProgramCache]: Analyzing trace with hash 578402155, now seen corresponding path program 1 times [2020-09-25 14:35:07,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:35:07,792 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [783999838] [2020-09-25 14:35:07,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:35:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:07,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:08,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:08,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:11,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:11,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:12,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:12,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-25 14:35:12,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:35:12,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 14:35:12,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:12,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:12,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 14:35:12,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 14:35:12,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-25 14:35:12,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:12,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:35:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:12,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:12,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:12,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:35:12,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:12,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 14:35:12,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:12,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:12,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:35:12,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:12,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:35:12,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:12,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:35:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:12,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:13,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:13,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:35:13,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:13,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 14:35:13,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:13,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:13,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:35:13,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:13,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:35:13,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:13,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:35:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:13,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:13,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:13,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:35:13,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:13,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:35:13,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:13,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:13,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:35:13,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:13,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:35:13,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:13,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 14:35:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:13,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:13,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:13,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:35:13,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:13,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 14:35:13,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:13,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:13,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:35:13,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:13,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:35:13,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:13,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:35:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:13,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:13,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:13,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:35:13,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:13,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:35:13,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:13,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:13,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:35:13,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:13,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:35:13,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:13,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 14:35:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:13,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:13,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:13,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:35:13,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:13,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 14:35:13,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:13,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:13,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 14:35:13,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:35:13,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:35:13,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:13,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-25 14:35:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:13,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:13,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:13,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:35:13,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:13,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:35:13,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:13,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:13,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:35:13,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:13,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 14:35:13,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:13,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-25 14:35:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:35:13,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:35:13,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:35:13,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:35:13,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:35:13,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 14:35:13,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:35:13,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:35:13,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 14:35:13,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:35:13,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:35:13,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:35:13,230 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-25 14:35:13,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [783999838] [2020-09-25 14:35:13,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:35:13,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-25 14:35:13,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468860637] [2020-09-25 14:35:13,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 14:35:13,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:35:13,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 14:35:13,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-25 14:35:13,233 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand 12 states. [2020-09-25 14:35:14,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:35:14,216 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2020-09-25 14:35:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 14:35:14,217 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 86 [2020-09-25 14:35:14,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:35:14,217 INFO L225 Difference]: With dead ends: 81 [2020-09-25 14:35:14,218 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 14:35:14,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=127, Invalid=425, Unknown=0, NotChecked=0, Total=552 [2020-09-25 14:35:14,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 14:35:14,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 14:35:14,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 14:35:14,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 14:35:14,220 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2020-09-25 14:35:14,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:35:14,220 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 14:35:14,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 14:35:14,220 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 14:35:14,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 14:35:14,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-25 14:35:14,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 14:35:14,795 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 21 [2020-09-25 14:35:14,920 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-09-25 14:35:15,523 INFO L268 CegarLoopResult]: For program point my_mallocFINAL(lines 878 880) no Hoare annotation was computed. [2020-09-25 14:35:15,524 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (or (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= my_malloc_~size 8)) (not (= |my_malloc_#in~size| 8))) [2020-09-25 14:35:15,524 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-09-25 14:35:15,524 INFO L268 CegarLoopResult]: For program point L879-2(line 879) no Hoare annotation was computed. [2020-09-25 14:35:15,524 INFO L264 CegarLoopResult]: At program point my_mallocENTRY(lines 878 880) the Hoare annotation is: (or (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) (not (= |my_malloc_#in~size| 8))) [2020-09-25 14:35:15,525 INFO L268 CegarLoopResult]: For program point my_mallocEXIT(lines 878 880) no Hoare annotation was computed. [2020-09-25 14:35:15,525 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 14:35:15,525 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 14:35:15,525 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line 900) no Hoare annotation was computed. [2020-09-25 14:35:15,527 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 14:35:15,528 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-09-25 14:35:15,528 INFO L268 CegarLoopResult]: For program point L900(line 900) no Hoare annotation was computed. [2020-09-25 14:35:15,528 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-09-25 14:35:15,528 INFO L268 CegarLoopResult]: For program point L900-1(line 900) no Hoare annotation was computed. [2020-09-25 14:35:15,528 INFO L268 CegarLoopResult]: For program point L900-2(line 900) no Hoare annotation was computed. [2020-09-25 14:35:15,528 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 14:35:15,528 INFO L268 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-09-25 14:35:15,529 INFO L268 CegarLoopResult]: For program point L896(lines 896 897) no Hoare annotation was computed. [2020-09-25 14:35:15,529 INFO L268 CegarLoopResult]: For program point L896-2(lines 895 898) no Hoare annotation was computed. [2020-09-25 14:35:15,529 INFO L268 CegarLoopResult]: For program point list_delEXIT(lines 895 898) no Hoare annotation was computed. [2020-09-25 14:35:15,530 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 14:35:15,531 INFO L264 CegarLoopResult]: At program point list_addENTRY(lines 889 893) the Hoare annotation is: (let ((.cse0 (= |old(~elem~0.base)| ~elem~0.base))) (and (or (and .cse0 (= |old(~elem~0.offset)| ~elem~0.offset)) (= |old(~elem~0.offset)| |list_add_#in~new.offset|)) (or (= |old(~elem~0.base)| |list_add_#in~new.base|) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (not (= |old(~elem~0.offset)| 0)) (and (= ~elem~0.offset 0) .cse0)))) [2020-09-25 14:35:15,532 INFO L268 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-09-25 14:35:15,532 INFO L268 CegarLoopResult]: For program point L891(lines 891 892) no Hoare annotation was computed. [2020-09-25 14:35:15,532 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-09-25 14:35:15,532 INFO L268 CegarLoopResult]: For program point L891-1(line 891) no Hoare annotation was computed. [2020-09-25 14:35:15,532 INFO L268 CegarLoopResult]: For program point L889(lines 889 893) no Hoare annotation was computed. [2020-09-25 14:35:15,532 INFO L264 CegarLoopResult]: At program point L890-2(line 890) the Hoare annotation is: (and (or (not (= |old(~elem~0.base)| 0)) (= |old(~elem~0.base)| |list_add_#in~new.base|) (not (= |old(~elem~0.offset)| 0))) (= |old(~elem~0.offset)| |list_add_#in~new.offset|)) [2020-09-25 14:35:15,533 INFO L268 CegarLoopResult]: For program point L891-3(line 891) no Hoare annotation was computed. [2020-09-25 14:35:15,533 INFO L268 CegarLoopResult]: For program point L890-3(line 890) no Hoare annotation was computed. [2020-09-25 14:35:15,533 INFO L268 CegarLoopResult]: For program point L891-4(lines 889 893) no Hoare annotation was computed. [2020-09-25 14:35:15,533 INFO L268 CegarLoopResult]: For program point list_addEXIT(lines 889 893) no Hoare annotation was computed. [2020-09-25 14:35:15,533 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-25 14:35:15,533 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-25 14:35:15,533 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-25 14:35:15,534 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-25 14:35:15,534 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 14:35:15,534 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~elem~0.offset 0) (= ~elem~0.base 0)) [2020-09-25 14:35:15,534 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 14:35:15,534 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 14:35:15,534 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 14:35:15,534 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 902 917) no Hoare annotation was computed. [2020-09-25 14:35:15,536 INFO L264 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (or (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and (not (= main_~dev2~0.offset main_~dev1~0.offset)) (not (= main_~dev2~0.offset ~elem~0.offset))) (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 14:35:15,536 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 902 917) no Hoare annotation was computed. [2020-09-25 14:35:15,540 INFO L264 CegarLoopResult]: At program point L908(line 908) the Hoare annotation is: (or (and (let ((.cse0 (not (= main_~dev2~0.offset main_~dev1~0.offset)))) (or (and .cse0 (= main_~dev2~0.base ~elem~0.base)) (and .cse0 (not (= main_~dev2~0.offset ~elem~0.offset))))) (or (not (= main_~dev2~0.offset 0)) (not (= main_~dev2~0.base 0)))) (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 14:35:15,540 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (or (and (or (< 0 main_~dev1~0.base) (<= (+ main_~dev1~0.offset 1) 0) (< 0 main_~dev1~0.offset) (<= (+ main_~dev1~0.base 1) 0)) (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)) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base)) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (not (= |old(~elem~0.offset)| 0))) [2020-09-25 14:35:15,540 INFO L268 CegarLoopResult]: For program point L906(lines 906 915) no Hoare annotation was computed. [2020-09-25 14:35:15,540 INFO L264 CegarLoopResult]: At program point L907-1(line 907) the Hoare annotation is: (or (and (or (< 0 main_~dev1~0.base) (<= (+ main_~dev1~0.offset 1) 0) (< 0 main_~dev1~0.offset) (<= (+ main_~dev1~0.base 1) 0)) (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)) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base)) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and (not (= main_~dev1~0.offset ~elem~0.offset)) (= main_~dev2~0.base ~elem~0.base) (or (not (= main_~dev2~0.offset 0)) (not (= main_~dev2~0.base 0))) (= main_~dev2~0.offset ~elem~0.offset)) (not (= |old(~elem~0.offset)| 0))) [2020-09-25 14:35:15,541 INFO L264 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (or (and (= main_~dev1~0.offset ~guard_malloc_counter~0.offset) (not (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset)) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and (= main_~dev1~0.base 0) (= main_~dev1~0.offset 0)) (not (= |old(~elem~0.offset)| 0))) [2020-09-25 14:35:15,541 INFO L268 CegarLoopResult]: For program point L906-1(lines 906 915) no Hoare annotation was computed. [2020-09-25 14:35:15,541 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 14:35:15,541 INFO L268 CegarLoopResult]: For program point L905-1(line 905) no Hoare annotation was computed. [2020-09-25 14:35:15,541 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-09-25 14:35:15,541 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-09-25 14:35:15,541 INFO L268 CegarLoopResult]: For program point L905-2(line 905) no Hoare annotation was computed. [2020-09-25 14:35:15,542 INFO L268 CegarLoopResult]: For program point L904-2(line 904) no Hoare annotation was computed. [2020-09-25 14:35:15,542 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 14:35:15,542 INFO L268 CegarLoopResult]: For program point __getMemoryEXIT(lines 869 876) no Hoare annotation was computed. [2020-09-25 14:35:15,542 INFO L268 CegarLoopResult]: For program point __getMemoryFINAL(lines 869 876) no Hoare annotation was computed. [2020-09-25 14:35:15,542 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-09-25 14:35:15,542 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-09-25 14:35:15,542 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-09-25 14:35:15,542 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-09-25 14:35:15,543 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 874) no Hoare annotation was computed. [2020-09-25 14:35:15,543 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-09-25 14:35:15,543 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-09-25 14:35:15,543 INFO L268 CegarLoopResult]: For program point L873-2(line 873) no Hoare annotation was computed. [2020-09-25 14:35:15,543 INFO L268 CegarLoopResult]: For program point L873-3(line 873) no Hoare annotation was computed. [2020-09-25 14:35:15,543 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 14:35:15,543 INFO L268 CegarLoopResult]: For program point L871-3(line 871) no Hoare annotation was computed. [2020-09-25 14:35:15,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:35:15 BoogieIcfgContainer [2020-09-25 14:35:15,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 14:35:15,558 INFO L168 Benchmark]: Toolchain (without parser) took 39004.83 ms. Allocated memory was 139.5 MB in the beginning and 493.4 MB in the end (delta: 353.9 MB). Free memory was 99.2 MB in the beginning and 264.1 MB in the end (delta: -165.0 MB). Peak memory consumption was 188.9 MB. Max. memory is 7.1 GB. [2020-09-25 14:35:15,560 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.3 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-09-25 14:35:15,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.28 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 98.3 MB in the beginning and 166.4 MB in the end (delta: -68.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-09-25 14:35:15,565 INFO L168 Benchmark]: Boogie Preprocessor took 63.14 ms. Allocated memory is still 202.4 MB. Free memory was 166.4 MB in the beginning and 163.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2020-09-25 14:35:15,570 INFO L168 Benchmark]: RCFGBuilder took 653.95 ms. Allocated memory is still 202.4 MB. Free memory was 162.3 MB in the beginning and 115.4 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. [2020-09-25 14:35:15,571 INFO L168 Benchmark]: TraceAbstraction took 37608.26 ms. Allocated memory was 202.4 MB in the beginning and 493.4 MB in the end (delta: 291.0 MB). Free memory was 115.4 MB in the beginning and 264.1 MB in the end (delta: -148.7 MB). Peak memory consumption was 142.2 MB. Max. memory is 7.1 GB. [2020-09-25 14:35:15,582 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.3 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 670.28 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 98.3 MB in the beginning and 166.4 MB in the end (delta: -68.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.14 ms. Allocated memory is still 202.4 MB. Free memory was 166.4 MB in the beginning and 163.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 653.95 ms. Allocated memory is still 202.4 MB. Free memory was 162.3 MB in the beginning and 115.4 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37608.26 ms. Allocated memory was 202.4 MB in the beginning and 493.4 MB in the end (delta: 291.0 MB). Free memory was 115.4 MB in the beginning and 264.1 MB in the end (delta: -148.7 MB). Peak memory consumption was 142.2 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: 36.2s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 522 SDtfs, 873 SDslu, 1549 SDs, 0 SdLazy, 3955 SolverSat, 291 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 306 GetRequests, 107 SyntacticMatches, 5 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 655 ImplicationChecksByTransitivity, 5.0s 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, 9 MinimizatonAttempts, 38 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 73 PreInvPairs, 83 NumberOfFragments, 465 HoareAnnotationTreeSize, 73 FomulaSimplifications, 267 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 18 FomulaSimplificationsInter, 1093 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 27.5s InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 602 ConstructedInterpolants, 0 QuantifiedInterpolants, 178406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 136/180 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...