/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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2c_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 05:10:00,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 05:10:00,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 05:10:00,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 05:10:00,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 05:10:00,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 05:10:00,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 05:10:00,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 05:10:00,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 05:10:00,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 05:10:00,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 05:10:00,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 05:10:00,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 05:10:00,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 05:10:00,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 05:10:00,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 05:10:00,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 05:10:00,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 05:10:00,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 05:10:00,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 05:10:00,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 05:10:00,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 05:10:00,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 05:10:00,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 05:10:00,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 05:10:00,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 05:10:00,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 05:10:00,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 05:10:00,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 05:10:00,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 05:10:00,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 05:10:00,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 05:10:00,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 05:10:00,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 05:10:00,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 05:10:00,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 05:10:00,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 05:10:00,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 05:10:00,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 05:10:00,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 05:10:00,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 05:10:00,973 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 05:10:01,014 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 05:10:01,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 05:10:01,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 05:10:01,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 05:10:01,018 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 05:10:01,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 05:10:01,019 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 05:10:01,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 05:10:01,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 05:10:01,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 05:10:01,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 05:10:01,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 05:10:01,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 05:10:01,021 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 05:10:01,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 05:10:01,022 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 05:10:01,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 05:10:01,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 05:10:01,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 05:10:01,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 05:10:01,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 05:10:01,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:10:01,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 05:10:01,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 05:10:01,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 05:10:01,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 05:10:01,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 05:10:01,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 05:10:01,024 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 05:10:01,025 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 05:10:01,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 05:10:01,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 05:10:01,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 05:10:01,349 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 05:10:01,350 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 05:10:01,350 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_update_all.i [2020-10-14 05:10:01,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09c62a848/ce925a35f48f4ae787aa3c66c3cc56f6/FLAGa6ae1f1f6 [2020-10-14 05:10:01,938 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 05:10:01,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2c_update_all.i [2020-10-14 05:10:01,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09c62a848/ce925a35f48f4ae787aa3c66c3cc56f6/FLAGa6ae1f1f6 [2020-10-14 05:10:02,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09c62a848/ce925a35f48f4ae787aa3c66c3cc56f6 [2020-10-14 05:10:02,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 05:10:02,275 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 05:10:02,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 05:10:02,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 05:10:02,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 05:10:02,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:10:02" (1/1) ... [2020-10-14 05:10:02,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e59d717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:02, skipping insertion in model container [2020-10-14 05:10:02,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:10:02" (1/1) ... [2020-10-14 05:10:02,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 05:10:02,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 05:10:02,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:10:02,741 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 05:10:02,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:10:02,886 INFO L208 MainTranslator]: Completed translation [2020-10-14 05:10:02,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:02 WrapperNode [2020-10-14 05:10:02,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 05:10:02,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 05:10:02,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 05:10:02,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 05:10:02,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:02" (1/1) ... [2020-10-14 05:10:02,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:02" (1/1) ... [2020-10-14 05:10:02,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:02" (1/1) ... [2020-10-14 05:10:02,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:02" (1/1) ... [2020-10-14 05:10:02,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:02" (1/1) ... [2020-10-14 05:10:02,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:02" (1/1) ... [2020-10-14 05:10:02,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:02" (1/1) ... [2020-10-14 05:10:02,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 05:10:02,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 05:10:02,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 05:10:02,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 05:10:02,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:10:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 05:10:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 05:10:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-14 05:10:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-14 05:10:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-14 05:10:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-14 05:10:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2020-10-14 05:10:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2020-10-14 05:10:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_get_data_at [2020-10-14 05:10:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_update_at [2020-10-14 05:10:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 05:10:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 05:10:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-14 05:10:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-14 05:10:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-14 05:10:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-14 05:10:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-14 05:10:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-14 05:10:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-14 05:10:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-14 05:10:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-14 05:10:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-14 05:10:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-14 05:10:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-14 05:10:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-14 05:10:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-14 05:10:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-14 05:10:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-14 05:10:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-14 05:10:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-14 05:10:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-14 05:10:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-14 05:10:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-14 05:10:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-14 05:10:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-14 05:10:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-14 05:10:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-14 05:10:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-14 05:10:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-14 05:10:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-14 05:10:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-14 05:10:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-14 05:10:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-14 05:10:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-14 05:10:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-14 05:10:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-14 05:10:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-14 05:10:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-14 05:10:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-14 05:10:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-14 05:10:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-14 05:10:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-14 05:10:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-14 05:10:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-14 05:10:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-14 05:10:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-14 05:10:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-14 05:10:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-14 05:10:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-14 05:10:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-14 05:10:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-14 05:10:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-14 05:10:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-14 05:10:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-14 05:10:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 05:10:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 05:10:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-14 05:10:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 05:10:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-14 05:10:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-14 05:10:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-14 05:10:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-14 05:10:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-14 05:10:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 05:10:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-14 05:10:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-14 05:10:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-14 05:10:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 05:10:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-14 05:10:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-14 05:10:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-14 05:10:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-14 05:10:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-14 05:10:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-14 05:10:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-14 05:10:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-14 05:10:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-14 05:10:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-14 05:10:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-14 05:10:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-14 05:10:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-14 05:10:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-14 05:10:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-14 05:10:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-14 05:10:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-14 05:10:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-14 05:10:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-14 05:10:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-14 05:10:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-14 05:10:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-14 05:10:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-14 05:10:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-14 05:10:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-14 05:10:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-14 05:10:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-14 05:10:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-14 05:10:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-14 05:10:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-14 05:10:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-14 05:10:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-14 05:10:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-14 05:10:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-14 05:10:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-14 05:10:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-14 05:10:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-14 05:10:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-14 05:10:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-14 05:10:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-14 05:10:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-14 05:10:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 05:10:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 05:10:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 05:10:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2020-10-14 05:10:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2020-10-14 05:10:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 05:10:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 05:10:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_get_data_at [2020-10-14 05:10:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 05:10:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_update_at [2020-10-14 05:10:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 05:10:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 05:10:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 05:10:03,390 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-14 05:10:03,617 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 05:10:03,617 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-14 05:10:03,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:10:03 BoogieIcfgContainer [2020-10-14 05:10:03,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 05:10:03,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 05:10:03,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 05:10:03,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 05:10:03,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:10:02" (1/3) ... [2020-10-14 05:10:03,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf74db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:10:03, skipping insertion in model container [2020-10-14 05:10:03,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:02" (2/3) ... [2020-10-14 05:10:03,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf74db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:10:03, skipping insertion in model container [2020-10-14 05:10:03,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:10:03" (3/3) ... [2020-10-14 05:10:03,631 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2c_update_all.i [2020-10-14 05:10:03,639 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 05:10:03,648 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 05:10:03,662 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 05:10:03,685 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 05:10:03,685 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 05:10:03,685 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 05:10:03,686 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 05:10:03,686 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 05:10:03,686 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 05:10:03,686 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 05:10:03,686 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 05:10:03,704 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2020-10-14 05:10:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-14 05:10:03,711 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:03,712 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:10:03,713 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:03,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:03,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1158667966, now seen corresponding path program 1 times [2020-10-14 05:10:03,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:03,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997823103] [2020-10-14 05:10:03,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:03,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:03,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:04,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:04,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:04,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 05:10:04,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 05:10:04,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 356 [2020-10-14 05:10:04,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:04,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:04,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:04,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 05:10:04,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:04,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 05:10:04,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:04,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:04,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:04,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:04,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:04,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:10:04,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:04,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:04,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:04,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:04,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:04,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:04,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:04,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:10:04,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:04,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 05:10:04,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:04,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:04,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:04,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:10:04,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:04,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:04,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:04,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:04,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:04,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:04,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:04,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 05:10:04,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:04,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:04,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:04,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:04,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:04,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:04,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:10:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:04,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:04,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:04,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:04,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:04,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:10:04,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:10:04,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:04,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:04,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:04,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:10:04,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:04,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:04,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:10:04,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [997823103] [2020-10-14 05:10:04,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:10:04,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 05:10:04,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301046613] [2020-10-14 05:10:04,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 05:10:04,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:04,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 05:10:04,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 05:10:04,446 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 4 states. [2020-10-14 05:10:04,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:04,661 INFO L93 Difference]: Finished difference Result 99 states and 130 transitions. [2020-10-14 05:10:04,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 05:10:04,663 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-14 05:10:04,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:04,673 INFO L225 Difference]: With dead ends: 99 [2020-10-14 05:10:04,673 INFO L226 Difference]: Without dead ends: 43 [2020-10-14 05:10:04,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 05:10:04,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-14 05:10:04,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-14 05:10:04,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-14 05:10:04,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2020-10-14 05:10:04,729 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 32 [2020-10-14 05:10:04,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:04,732 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2020-10-14 05:10:04,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 05:10:04,732 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2020-10-14 05:10:04,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-14 05:10:04,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:04,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:10:04,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 05:10:04,737 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:04,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:04,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1470117915, now seen corresponding path program 1 times [2020-10-14 05:10:04,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:04,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1809013331] [2020-10-14 05:10:04,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:04,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:04,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:04,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:05,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:05,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 05:10:05,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 05:10:05,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 718 [2020-10-14 05:10:05,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:05,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:10:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:10:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 05:10:05,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:05,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:05,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:05,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:05,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:05,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:05,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:10:05,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:05,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:05,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:05,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:05,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:05,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:05,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:05,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:05,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:05,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:05,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:10:05,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:10:05,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 05:10:05,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:05,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:05,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:05,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:05,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 05:10:05,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:05,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:05,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:05,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:05,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:05,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:05,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:10:05,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:05,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:05,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:05,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:05,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:05,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:05,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:10:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:05,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:05,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:05,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:05,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:05,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:10:05,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:05,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:05,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:05,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:10:05,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:05,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:10:05,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1809013331] [2020-10-14 05:10:05,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:10:05,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 05:10:05,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754876893] [2020-10-14 05:10:05,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 05:10:05,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:05,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 05:10:05,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-14 05:10:05,720 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 6 states. [2020-10-14 05:10:05,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:05,949 INFO L93 Difference]: Finished difference Result 66 states and 75 transitions. [2020-10-14 05:10:05,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 05:10:05,950 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-10-14 05:10:05,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:05,952 INFO L225 Difference]: With dead ends: 66 [2020-10-14 05:10:05,952 INFO L226 Difference]: Without dead ends: 53 [2020-10-14 05:10:05,953 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:10:05,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-14 05:10:05,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2020-10-14 05:10:05,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-14 05:10:05,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2020-10-14 05:10:05,966 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 32 [2020-10-14 05:10:05,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:05,967 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2020-10-14 05:10:05,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 05:10:05,967 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2020-10-14 05:10:05,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-14 05:10:05,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:05,969 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:10:05,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 05:10:05,969 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:05,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:05,970 INFO L82 PathProgramCache]: Analyzing trace with hash 758093029, now seen corresponding path program 1 times [2020-10-14 05:10:05,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:05,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1629278120] [2020-10-14 05:10:05,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:05,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:06,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:06,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:06,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:07,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:07,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:08,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 05:10:08,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:10:08,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2521 [2020-10-14 05:10:08,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:08,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:08,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:10:08,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:10:08,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 05:10:08,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:08,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:08,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:08,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:08,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:08,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:08,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:08,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:08,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:08,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:08,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:08,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:08,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:10:08,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:10:08,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 05:10:08,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:08,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 05:10:08,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:08,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:08,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:08,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:08,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:08,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:10:08,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:08,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:08,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:08,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:08,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:10:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:08,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:08,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:08,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:08,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:10:08,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:08,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:08,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:08,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:08,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:08,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 05:10:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:08,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:08,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:08,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:08,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:10:08,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:08,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:08,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:08,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:10:08,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:08,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:08,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:10:08,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1629278120] [2020-10-14 05:10:08,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:10:08,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 05:10:08,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701421887] [2020-10-14 05:10:08,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:10:08,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:08,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:10:08,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:10:08,851 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand 8 states. [2020-10-14 05:10:09,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:09,226 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2020-10-14 05:10:09,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 05:10:09,227 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-10-14 05:10:09,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:09,228 INFO L225 Difference]: With dead ends: 68 [2020-10-14 05:10:09,228 INFO L226 Difference]: Without dead ends: 55 [2020-10-14 05:10:09,229 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:10:09,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-14 05:10:09,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 47. [2020-10-14 05:10:09,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-14 05:10:09,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2020-10-14 05:10:09,241 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 40 [2020-10-14 05:10:09,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:09,241 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2020-10-14 05:10:09,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:10:09,242 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2020-10-14 05:10:09,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-14 05:10:09,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:09,244 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 05:10:09,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 05:10:09,245 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:09,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:09,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1717401681, now seen corresponding path program 2 times [2020-10-14 05:10:09,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:09,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754102395] [2020-10-14 05:10:09,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:09,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:09,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:09,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:09,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:10,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:10,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:12,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:12,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 05:10:12,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:10:12,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3479 [2020-10-14 05:10:12,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:12,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:10:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 05:10:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:10:12,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:12,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:12,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:12,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:12,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:12,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:12,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:10:12,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:12,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:12,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:12,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:12,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:12,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:12,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:12,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:12,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:12,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:10:12,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:12,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 05:10:12,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:12,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:12,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:12,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:12,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:12,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:12,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:12,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:12,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:12,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:12,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:12,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:10:12,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:12,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:12,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:12,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:12,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:12,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:12,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:10:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:12,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:12,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:12,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:12,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:12,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:10:12,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:12,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:12,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:12,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:12,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:12,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:12,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:10:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:12,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:12,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:12,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:12,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:12,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 05:10:12,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:12,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:12,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:10:12,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:10:12,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:12,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 05:10:12,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 05:10:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:12,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:12,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:12,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:12,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:12,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:10:12,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:12,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:12,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:12,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:10:12,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:12,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 05:10:12,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754102395] [2020-10-14 05:10:12,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:10:12,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:10:12,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616991148] [2020-10-14 05:10:12,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:10:12,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:12,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:10:12,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:10:12,962 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand 9 states. [2020-10-14 05:10:13,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:13,325 INFO L93 Difference]: Finished difference Result 79 states and 91 transitions. [2020-10-14 05:10:13,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:10:13,326 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 48 [2020-10-14 05:10:13,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:13,330 INFO L225 Difference]: With dead ends: 79 [2020-10-14 05:10:13,330 INFO L226 Difference]: Without dead ends: 58 [2020-10-14 05:10:13,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:10:13,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-14 05:10:13,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 51. [2020-10-14 05:10:13,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-14 05:10:13,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2020-10-14 05:10:13,351 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 48 [2020-10-14 05:10:13,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:13,351 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2020-10-14 05:10:13,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:10:13,352 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2020-10-14 05:10:13,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 05:10:13,358 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:13,358 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 05:10:13,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 05:10:13,359 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:13,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:13,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1417529522, now seen corresponding path program 1 times [2020-10-14 05:10:13,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:13,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815934109] [2020-10-14 05:10:13,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:13,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:13,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:13,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:13,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:14,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:14,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 05:10:14,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:10:14,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1234 [2020-10-14 05:10:14,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:14,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:14,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:10:14,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:10:14,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 05:10:14,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:14,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:14,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:14,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:14,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:14,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:14,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:14,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:14,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:14,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:14,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:14,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:14,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:14,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:14,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:14,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:14,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:10:14,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:14,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 05:10:14,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:14,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:14,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:10:14,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:10:14,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 05:10:14,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:14,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:14,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:14,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:14,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:14,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:14,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 05:10:14,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:14,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:14,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:14,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:10:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:14,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:14,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:14,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:14,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:14,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:10:14,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:14,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:14,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:14,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:10:14,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:14,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:14,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:10:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:14,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:14,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:14,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:14,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:14,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:10:14,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:14,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:14,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:14,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:10:14,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:14,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:14,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 05:10:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:14,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:14,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:14,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:14,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:14,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:14,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:14,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:14,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:14,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:10:14,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:14,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:14,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 05:10:14,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815934109] [2020-10-14 05:10:14,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:10:14,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 05:10:14,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903620827] [2020-10-14 05:10:14,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:10:14,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:14,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:10:14,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:10:14,824 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand 8 states. [2020-10-14 05:10:15,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:15,110 INFO L93 Difference]: Finished difference Result 87 states and 101 transitions. [2020-10-14 05:10:15,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:10:15,110 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2020-10-14 05:10:15,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:15,112 INFO L225 Difference]: With dead ends: 87 [2020-10-14 05:10:15,112 INFO L226 Difference]: Without dead ends: 54 [2020-10-14 05:10:15,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:10:15,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-14 05:10:15,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2020-10-14 05:10:15,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-14 05:10:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2020-10-14 05:10:15,130 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 49 [2020-10-14 05:10:15,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:15,132 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2020-10-14 05:10:15,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:10:15,132 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2020-10-14 05:10:15,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-14 05:10:15,134 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:15,135 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 05:10:15,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 05:10:15,135 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:15,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:15,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1048390054, now seen corresponding path program 1 times [2020-10-14 05:10:15,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:15,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009102055] [2020-10-14 05:10:15,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:15,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:16,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:16,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 05:10:16,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:16,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1397 [2020-10-14 05:10:16,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:16,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:16,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-14 05:10:16,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 05:10:16,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 05:10:16,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:16,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:16,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:16,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:16,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:16,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:16,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:10:16,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:16,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:16,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:16,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:16,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:16,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:17,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:17,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:17,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:10:17,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:17,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-14 05:10:17,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:17,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 05:10:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 05:10:17,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:17,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:17,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:17,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:17,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:17,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 05:10:17,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:17,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:17,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:10:17,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:17,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:10:17,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:17,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:10:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:17,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:17,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:17,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:17,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 05:10:17,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:17,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:17,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:10:17,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:10:17,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:10:17,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:17,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:10:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:17,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:17,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:17,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:17,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 05:10:17,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:17,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:17,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:10:17,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:10:17,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:10:17,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:17,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 05:10:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:17,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:17,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:17,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:17,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 05:10:17,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:17,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:17,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 05:10:17,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:10:17,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 05:10:17,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:18,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 05:10:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:18,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:18,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:18,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:18,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:18,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 05:10:18,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:18,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:18,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:10:18,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:18,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:10:18,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:18,256 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-14 05:10:18,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2009102055] [2020-10-14 05:10:18,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:10:18,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-14 05:10:18,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24680179] [2020-10-14 05:10:18,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-14 05:10:18,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:18,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-14 05:10:18,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=751, Unknown=0, NotChecked=0, Total=812 [2020-10-14 05:10:18,262 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand 29 states. [2020-10-14 05:10:20,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:20,185 INFO L93 Difference]: Finished difference Result 96 states and 121 transitions. [2020-10-14 05:10:20,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-14 05:10:20,185 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 57 [2020-10-14 05:10:20,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:20,190 INFO L225 Difference]: With dead ends: 96 [2020-10-14 05:10:20,190 INFO L226 Difference]: Without dead ends: 94 [2020-10-14 05:10:20,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=174, Invalid=1896, Unknown=0, NotChecked=0, Total=2070 [2020-10-14 05:10:20,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-14 05:10:20,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 79. [2020-10-14 05:10:20,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-14 05:10:20,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 99 transitions. [2020-10-14 05:10:20,224 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 99 transitions. Word has length 57 [2020-10-14 05:10:20,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:20,226 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 99 transitions. [2020-10-14 05:10:20,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-14 05:10:20,227 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 99 transitions. [2020-10-14 05:10:20,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-14 05:10:20,229 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:20,229 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:10:20,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 05:10:20,229 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:20,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:20,230 INFO L82 PathProgramCache]: Analyzing trace with hash -15626220, now seen corresponding path program 1 times [2020-10-14 05:10:20,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:20,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633545897] [2020-10-14 05:10:20,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:20,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:20,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:21,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:21,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:23,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:24,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:25,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:25,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 05:10:25,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:10:25,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 05:10:25,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:25,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:10:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-14 05:10:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:25,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:25,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:25,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:25,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:25,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:25,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:25,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:25,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:25,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:25,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:25,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:25,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:25,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:25,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:25,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:25,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:25,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:10:25,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:25,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 05:10:25,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:25,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:25,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:25,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:25,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:25,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:25,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:25,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:25,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:10:25,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:25,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:25,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:25,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:25,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:25,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:25,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:10:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:25,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:25,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:25,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:25,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:25,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:10:25,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:25,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:25,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:25,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:25,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:25,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:25,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:10:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:25,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:25,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:25,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:25,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:25,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:10:25,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:25,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:25,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:25,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:25,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:25,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:25,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 05:10:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:25,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:25,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:25,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:25,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:25,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:25,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:25,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:25,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:25,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:25,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:25,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:25,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 05:10:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:25,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:25,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:25,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:25,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:25,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:10:25,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:25,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:25,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:10:25,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:10:25,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:10:25,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:25,418 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-14 05:10:25,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633545897] [2020-10-14 05:10:25,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:10:25,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 05:10:25,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628318189] [2020-10-14 05:10:25,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:10:25,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:25,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:10:25,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:10:25,421 INFO L87 Difference]: Start difference. First operand 79 states and 99 transitions. Second operand 8 states. [2020-10-14 05:10:25,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:25,635 INFO L93 Difference]: Finished difference Result 102 states and 126 transitions. [2020-10-14 05:10:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 05:10:25,636 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-14 05:10:25,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:25,637 INFO L225 Difference]: With dead ends: 102 [2020-10-14 05:10:25,637 INFO L226 Difference]: Without dead ends: 86 [2020-10-14 05:10:25,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 05:10:25,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-14 05:10:25,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 81. [2020-10-14 05:10:25,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-14 05:10:25,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 101 transitions. [2020-10-14 05:10:25,652 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 101 transitions. Word has length 58 [2020-10-14 05:10:25,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:25,652 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 101 transitions. [2020-10-14 05:10:25,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:10:25,653 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 101 transitions. [2020-10-14 05:10:25,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-14 05:10:25,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:25,654 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 05:10:25,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 05:10:25,654 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:25,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:25,655 INFO L82 PathProgramCache]: Analyzing trace with hash 682053479, now seen corresponding path program 2 times [2020-10-14 05:10:25,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:25,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1396594371] [2020-10-14 05:10:25,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:25,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:25,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:25,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:25,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:27,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:27,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 05:10:27,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:10:27,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2247 [2020-10-14 05:10:27,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:27,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:27,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:10:27,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:10:27,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 05:10:27,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:27,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:27,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:27,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:27,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:27,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:27,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:27,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:27,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:27,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:27,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:27,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:27,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:27,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:27,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:28,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:28,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:28,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:10:28,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:10:28,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 05:10:28,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:28,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:28,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:28,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:28,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 05:10:28,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:28,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:28,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:28,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:28,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:28,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:28,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:10:28,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:28,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:28,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:28,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:28,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:28,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:28,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:10:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:28,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:28,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:28,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:28,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:28,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:28,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:28,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:28,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:28,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:28,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:28,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:28,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:10:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:28,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:28,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:28,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:28,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:28,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:10:28,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:28,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:28,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:28,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:28,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:28,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:28,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 05:10:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:28,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:28,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:28,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 05:10:28,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:28,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 05:10:28,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:28,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:28,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:10:28,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:10:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:10:28,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:28,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 05:10:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:28,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:28,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:28,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:28,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:28,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:10:28,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:28,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:10:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:28,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:28,172 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 05:10:28,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1396594371] [2020-10-14 05:10:28,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:10:28,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 05:10:28,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131439845] [2020-10-14 05:10:28,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:10:28,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:28,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:10:28,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:10:28,174 INFO L87 Difference]: Start difference. First operand 81 states and 101 transitions. Second operand 10 states. [2020-10-14 05:10:28,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:28,546 INFO L93 Difference]: Finished difference Result 118 states and 144 transitions. [2020-10-14 05:10:28,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:10:28,547 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-10-14 05:10:28,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:28,548 INFO L225 Difference]: With dead ends: 118 [2020-10-14 05:10:28,548 INFO L226 Difference]: Without dead ends: 77 [2020-10-14 05:10:28,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-10-14 05:10:28,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-14 05:10:28,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-10-14 05:10:28,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-14 05:10:28,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 92 transitions. [2020-10-14 05:10:28,560 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 92 transitions. Word has length 58 [2020-10-14 05:10:28,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:28,561 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 92 transitions. [2020-10-14 05:10:28,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:10:28,561 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 92 transitions. [2020-10-14 05:10:28,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-14 05:10:28,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:28,562 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 05:10:28,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 05:10:28,562 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:28,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:28,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1166259347, now seen corresponding path program 3 times [2020-10-14 05:10:28,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:28,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1398056435] [2020-10-14 05:10:28,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:28,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:28,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:28,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:28,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:29,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:29,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 05:10:29,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:10:29,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1298 [2020-10-14 05:10:29,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:29,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:29,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:10:29,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-14 05:10:29,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:29,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:29,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:29,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:29,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:29,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:29,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:29,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:29,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:29,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:29,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:29,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:29,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:29,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:29,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:29,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:29,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:29,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:10:29,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:29,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 05:10:29,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:29,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:29,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:29,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:29,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:29,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:29,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:29,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:29,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:29,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:29,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:29,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:29,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:29,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:29,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:10:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:29,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:29,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:29,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:29,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:29,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:29,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:29,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:29,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:29,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:10:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:30,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:30,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:30,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:30,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:30,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 05:10:30,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:30,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:10:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:10:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:10:30,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:30,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 05:10:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:30,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:30,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:30,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:30,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:30,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:30,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:30,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:10:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:30,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:30,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 05:10:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:30,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:30,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:30,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:30,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:30,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:10:30,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:30,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:30,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:30,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:10:30,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:30,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 05:10:30,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1398056435] [2020-10-14 05:10:30,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:10:30,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 05:10:30,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986276017] [2020-10-14 05:10:30,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:10:30,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:30,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:10:30,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:10:30,063 INFO L87 Difference]: Start difference. First operand 77 states and 92 transitions. Second operand 8 states. [2020-10-14 05:10:30,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:30,302 INFO L93 Difference]: Finished difference Result 115 states and 134 transitions. [2020-10-14 05:10:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 05:10:30,302 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-14 05:10:30,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:30,304 INFO L225 Difference]: With dead ends: 115 [2020-10-14 05:10:30,304 INFO L226 Difference]: Without dead ends: 82 [2020-10-14 05:10:30,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:10:30,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-10-14 05:10:30,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 77. [2020-10-14 05:10:30,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-14 05:10:30,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 90 transitions. [2020-10-14 05:10:30,325 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 90 transitions. Word has length 58 [2020-10-14 05:10:30,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:30,325 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 90 transitions. [2020-10-14 05:10:30,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:10:30,325 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2020-10-14 05:10:30,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-14 05:10:30,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:30,328 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-10-14 05:10:30,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 05:10:30,328 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:30,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:30,328 INFO L82 PathProgramCache]: Analyzing trace with hash 538164226, now seen corresponding path program 4 times [2020-10-14 05:10:30,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:30,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1842838336] [2020-10-14 05:10:30,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:30,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:30,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:30,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:30,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:31,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:35,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:35,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 05:10:35,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:10:35,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 05:10:35,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:35,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:35,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:10:35,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:10:35,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 05:10:35,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:35,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:35,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:35,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:35,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:35,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:35,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:35,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:35,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:35,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:35,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:35,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:35,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:35,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:35,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:35,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:35,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:10:35,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:35,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 05:10:35,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:35,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:35,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:10:35,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:10:35,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:10:35,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:35,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:35,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:35,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:35,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:35,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:35,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:10:35,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:35,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:35,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:35,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:35,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:35,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:35,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:10:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:35,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:35,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:35,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:35,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:35,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:10:35,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:35,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:35,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:35,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:35,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:35,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:35,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 05:10:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:35,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:35,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:35,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:35,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:35,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:10:35,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:35,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:35,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:35,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 05:10:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:35,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:35,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:35,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:35,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:35,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:10:35,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:35,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:35,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:35,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:10:35,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:35,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:35,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 05:10:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:35,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:35,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:35,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:35,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:35,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:35,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:35,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:35,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:35,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:10:35,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:35,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:35,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 05:10:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:35,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:35,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:35,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:35,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:35,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:35,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:35,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:10:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:35,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-14 05:10:35,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1842838336] [2020-10-14 05:10:35,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:10:35,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:10:35,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690304094] [2020-10-14 05:10:35,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:10:35,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:35,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:10:35,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:10:35,606 INFO L87 Difference]: Start difference. First operand 77 states and 90 transitions. Second operand 9 states. [2020-10-14 05:10:35,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:35,891 INFO L93 Difference]: Finished difference Result 108 states and 125 transitions. [2020-10-14 05:10:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 05:10:35,891 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-10-14 05:10:35,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:35,892 INFO L225 Difference]: With dead ends: 108 [2020-10-14 05:10:35,893 INFO L226 Difference]: Without dead ends: 66 [2020-10-14 05:10:35,896 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:10:35,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-14 05:10:35,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-10-14 05:10:35,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-14 05:10:35,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 75 transitions. [2020-10-14 05:10:35,908 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 75 transitions. Word has length 65 [2020-10-14 05:10:35,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:35,909 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 75 transitions. [2020-10-14 05:10:35,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:10:35,909 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2020-10-14 05:10:35,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-14 05:10:35,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:35,910 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 05:10:35,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 05:10:35,910 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:35,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:35,911 INFO L82 PathProgramCache]: Analyzing trace with hash 953440989, now seen corresponding path program 5 times [2020-10-14 05:10:35,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:35,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [935929120] [2020-10-14 05:10:35,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:35,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:35,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:35,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:36,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:36,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:36,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:38,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:40,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:40,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 05:10:40,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:10:40,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 05:10:40,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:40,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:10:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:10:40,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-14 05:10:40,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:40,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:40,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:40,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:40,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:40,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:40,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:10:40,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:40,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:40,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:41,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:41,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:41,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:41,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:41,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:10:41,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:10:41,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 05:10:41,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:41,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:41,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:41,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:41,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 05:10:41,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:41,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:41,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:41,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:41,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:41,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:41,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:41,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:41,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:41,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:41,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:41,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:41,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:41,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:10:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:41,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:41,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:41,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:41,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:41,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:10:41,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:41,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:41,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:41,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:41,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:41,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:41,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:10:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:41,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:41,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:41,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:41,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:41,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:10:41,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:41,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:41,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:41,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 05:10:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:41,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:41,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:41,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:41,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:41,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:10:41,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:41,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:41,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:10:41,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:41,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:10:41,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:41,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 05:10:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:41,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:41,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:41,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:41,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:41,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:41,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:41,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:10:41,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:41,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:41,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 05:10:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:41,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:41,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:41,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:41,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:41,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:41,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:41,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:41,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:41,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:10:41,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:41,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:41,164 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-14 05:10:41,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [935929120] [2020-10-14 05:10:41,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:10:41,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 05:10:41,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185309966] [2020-10-14 05:10:41,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:10:41,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:41,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:10:41,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:10:41,167 INFO L87 Difference]: Start difference. First operand 66 states and 75 transitions. Second operand 10 states. [2020-10-14 05:10:41,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:41,473 INFO L93 Difference]: Finished difference Result 91 states and 101 transitions. [2020-10-14 05:10:41,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:10:41,473 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-10-14 05:10:41,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:41,474 INFO L225 Difference]: With dead ends: 91 [2020-10-14 05:10:41,474 INFO L226 Difference]: Without dead ends: 60 [2020-10-14 05:10:41,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-10-14 05:10:41,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-14 05:10:41,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-10-14 05:10:41,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-14 05:10:41,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2020-10-14 05:10:41,487 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 66 [2020-10-14 05:10:41,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:41,488 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2020-10-14 05:10:41,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:10:41,488 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2020-10-14 05:10:41,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-14 05:10:41,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:41,491 INFO L422 BasicCegarLoop]: trace histogram [2, 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] [2020-10-14 05:10:41,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 05:10:41,491 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:41,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:41,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1770508517, now seen corresponding path program 1 times [2020-10-14 05:10:41,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:41,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578778902] [2020-10-14 05:10:41,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:41,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:41,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:41,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:41,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:42,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:42,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:42,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:43,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:43,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:43,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 05:10:43,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:10:43,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2318 [2020-10-14 05:10:43,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:43,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:43,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:10:43,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-14 05:10:43,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 05:10:43,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:43,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:43,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:43,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:43,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:43,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:43,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:43,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:43,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:43,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:43,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:43,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:43,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:43,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:43,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:43,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:43,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:10:43,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:43,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:10:43,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:43,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:43,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:43,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:43,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:43,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:43,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:43,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:43,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:43,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:43,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:43,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:43,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:43,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:43,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:43,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:10:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:43,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:43,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:43,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:43,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:43,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:10:43,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:43,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:43,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:43,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:43,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:10:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:43,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:43,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:43,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:43,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:43,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:10:43,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:43,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:43,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:43,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 05:10:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:43,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:43,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:43,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:43,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:43,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:43,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:43,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:43,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:43,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:43,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:43,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:43,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 05:10:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:43,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:43,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:43,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:43,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:43,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:10:43,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:43,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:43,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:43,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 05:10:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:43,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:43,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:43,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:43,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:43,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:43,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:43,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:43,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:10:43,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:10:43,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:43,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:43,956 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-14 05:10:43,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578778902] [2020-10-14 05:10:43,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:10:43,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:10:43,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350429190] [2020-10-14 05:10:43,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:10:43,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:43,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:10:43,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:10:43,958 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 9 states. [2020-10-14 05:10:44,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:44,199 INFO L93 Difference]: Finished difference Result 77 states and 84 transitions. [2020-10-14 05:10:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 05:10:44,200 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 67 [2020-10-14 05:10:44,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:44,201 INFO L225 Difference]: With dead ends: 77 [2020-10-14 05:10:44,201 INFO L226 Difference]: Without dead ends: 61 [2020-10-14 05:10:44,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:10:44,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-14 05:10:44,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2020-10-14 05:10:44,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-14 05:10:44,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2020-10-14 05:10:44,216 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 67 [2020-10-14 05:10:44,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:44,216 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2020-10-14 05:10:44,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:10:44,217 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2020-10-14 05:10:44,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-14 05:10:44,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:44,218 INFO L422 BasicCegarLoop]: trace histogram [2, 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] [2020-10-14 05:10:44,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 05:10:44,218 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:44,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:44,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1470883561, now seen corresponding path program 1 times [2020-10-14 05:10:44,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:44,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165952990] [2020-10-14 05:10:44,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:44,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:44,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:44,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:45,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:45,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:46,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:46,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:46,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:49,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:49,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:49,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 05:10:49,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:10:49,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5310 [2020-10-14 05:10:49,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:49,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:49,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 05:10:49,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:10:49,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 05:10:49,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:49,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:49,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:49,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:49,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:49,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:49,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:49,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:49,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:49,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:49,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:49,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:49,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:49,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:49,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:49,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:50,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:50,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:10:50,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:10:50,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-14 05:10:50,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:50,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 05:10:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 05:10:50,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:50,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:50,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:50,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:50,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:50,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:50,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 05:10:50,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:50,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:50,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:10:50,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:50,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:50,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:50,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:10:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:50,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:50,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:50,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:50,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:50,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 05:10:50,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:50,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:50,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:10:50,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:50,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:50,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:50,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:10:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:50,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:50,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:50,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:50,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:50,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 05:10:50,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:50,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:50,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:10:50,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:10:50,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:10:50,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:50,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 05:10:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:50,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:50,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:50,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:50,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:50,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 05:10:50,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:50,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 05:10:50,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:10:50,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 05:10:50,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:50,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 05:10:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:50,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:50,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:50,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:50,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:50,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:10:50,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:50,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:50,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:50,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:50,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 05:10:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:50,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:50,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:50,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:50,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:50,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:10:50,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:50,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:50,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:10:50,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:50,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:10:50,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:51,057 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 05:10:51,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165952990] [2020-10-14 05:10:51,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:10:51,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-14 05:10:51,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224871782] [2020-10-14 05:10:51,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-14 05:10:51,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:51,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-14 05:10:51,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2020-10-14 05:10:51,061 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 30 states. [2020-10-14 05:10:53,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:53,093 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2020-10-14 05:10:53,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-14 05:10:53,094 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 68 [2020-10-14 05:10:53,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:53,095 INFO L225 Difference]: With dead ends: 68 [2020-10-14 05:10:53,095 INFO L226 Difference]: Without dead ends: 66 [2020-10-14 05:10:53,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=204, Invalid=2148, Unknown=0, NotChecked=0, Total=2352 [2020-10-14 05:10:53,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-14 05:10:53,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2020-10-14 05:10:53,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-14 05:10:53,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2020-10-14 05:10:53,104 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 68 [2020-10-14 05:10:53,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:53,105 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2020-10-14 05:10:53,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-14 05:10:53,105 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2020-10-14 05:10:53,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-14 05:10:53,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:53,106 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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] [2020-10-14 05:10:53,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 05:10:53,106 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:53,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:53,107 INFO L82 PathProgramCache]: Analyzing trace with hash 772444517, now seen corresponding path program 2 times [2020-10-14 05:10:53,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:53,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470189729] [2020-10-14 05:10:53,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:53,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:53,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:53,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:53,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:53,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:53,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:53,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:56,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:56,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:56,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:57,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:58,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:58,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 05:10:58,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 05:10:58,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 05:10:58,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:58,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:58,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:10:58,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:10:58,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 05:10:58,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:58,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:58,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:58,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:58,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:58,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:58,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:58,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:58,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:58,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:58,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:58,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:58,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:58,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:58,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:58,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:58,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:58,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:10:58,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:10:58,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 05:10:58,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:58,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 05:10:58,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:58,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:58,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:58,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:58,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:58,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:58,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:10:58,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:58,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:58,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:58,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:58,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:58,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:58,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:10:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:58,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:58,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:58,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:58,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:58,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:58,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:58,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:58,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:58,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:58,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:58,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:58,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:10:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:58,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:58,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:58,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:58,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:58,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:10:58,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:58,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:58,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:58,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:58,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:58,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:58,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 05:10:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:58,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:58,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:58,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:58,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:58,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:10:58,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:58,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:58,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:58,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:58,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:10:58,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:58,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 05:10:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:58,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:58,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:58,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:58,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:58,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:58,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:58,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:58,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:58,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:58,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:58,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:58,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 05:10:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:58,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:58,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:58,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 05:10:58,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:58,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:10:58,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:58,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:58,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:10:58,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:10:58,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:10:58,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:58,364 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-14 05:10:58,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470189729] [2020-10-14 05:10:58,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:10:58,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 05:10:58,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642778077] [2020-10-14 05:10:58,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:10:58,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:58,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:10:58,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:10:58,367 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 10 states. [2020-10-14 05:10:58,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:58,707 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2020-10-14 05:10:58,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 05:10:58,710 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-10-14 05:10:58,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:58,710 INFO L225 Difference]: With dead ends: 82 [2020-10-14 05:10:58,711 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 05:10:58,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:10:58,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 05:10:58,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 05:10:58,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 05:10:58,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 05:10:58,716 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-10-14 05:10:58,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:58,716 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 05:10:58,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:10:58,718 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 05:10:58,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 05:10:58,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 05:10:58,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 05:10:59,285 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2020-10-14 05:10:59,432 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2020-10-14 05:10:59,733 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-10-14 05:10:59,780 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 05:10:59,780 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-14 05:10:59,781 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 05:10:59,781 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-10-14 05:10:59,781 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-10-14 05:10:59,781 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-10-14 05:10:59,781 INFO L268 CegarLoopResult]: For program point sll_circular_get_data_atEXIT(lines 595 601) no Hoare annotation was computed. [2020-10-14 05:10:59,781 INFO L271 CegarLoopResult]: At program point sll_circular_get_data_atENTRY(lines 595 601) the Hoare annotation is: true [2020-10-14 05:10:59,781 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (or (and (<= sll_circular_get_data_at_~index |sll_circular_get_data_at_#in~index|) (<= 2 |sll_circular_get_data_at_#in~index|)) (and (= (select (select |#memory_$Pointer$.offset| |sll_circular_get_data_at_#in~head.base|) |sll_circular_get_data_at_#in~head.offset|) sll_circular_get_data_at_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_circular_get_data_at_#in~head.base|) |sll_circular_get_data_at_#in~head.offset|) sll_circular_get_data_at_~head.base) (<= 1 |sll_circular_get_data_at_#in~index|) (= (+ sll_circular_get_data_at_~index 1) |sll_circular_get_data_at_#in~index|)) (and (= sll_circular_get_data_at_~head.offset |sll_circular_get_data_at_#in~head.offset|) (= sll_circular_get_data_at_~index |sll_circular_get_data_at_#in~index|) (= |sll_circular_get_data_at_#in~head.base| sll_circular_get_data_at_~head.base))) [2020-10-14 05:10:59,782 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-10-14 05:10:59,782 INFO L268 CegarLoopResult]: For program point sll_circular_get_data_atFINAL(lines 595 601) no Hoare annotation was computed. [2020-10-14 05:10:59,782 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-10-14 05:10:59,782 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-10-14 05:10:59,782 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-10-14 05:10:59,782 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-10-14 05:10:59,782 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-10-14 05:10:59,782 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-10-14 05:10:59,782 INFO L264 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: (or (and (= sll_circular_create_~head~0.base sll_circular_create_~last~0.base) (<= sll_circular_create_~len |sll_circular_create_#in~len|) (= sll_circular_create_~head~0.offset 0) (= sll_circular_create_~last~0.offset 0) (<= |sll_circular_create_#in~len| sll_circular_create_~len) (= (select |#valid| sll_circular_create_~last~0.base) 1)) (and (<= 3 |sll_circular_create_#in~len|) (<= (+ sll_circular_create_~len 1) |sll_circular_create_#in~len|))) [2020-10-14 05:10:59,783 INFO L268 CegarLoopResult]: For program point L576-1(line 576) no Hoare annotation was computed. [2020-10-14 05:10:59,783 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= |old(#valid)| |#valid|)) [2020-10-14 05:10:59,783 INFO L264 CegarLoopResult]: At program point L575-2(lines 575 580) the Hoare annotation is: (let ((.cse1 (+ sll_circular_create_~len 1))) (let ((.cse0 (= sll_circular_create_~head~0.base sll_circular_create_~last~0.base)) (.cse2 (<= .cse1 |sll_circular_create_#in~len|))) (or (and .cse0 (= sll_circular_create_~head~0.offset 0) (= sll_circular_create_~last~0.offset 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= (select |#valid| sll_circular_create_~last~0.base) 1)) (and (not (= (select (select |#memory_$Pointer$.base| sll_circular_create_~head~0.base) sll_circular_create_~head~0.offset) sll_circular_create_~head~0.base)) (<= |sll_circular_create_#in~len| .cse1) (= sll_circular_create_~head~0.offset (select (select |#memory_$Pointer$.offset| sll_circular_create_~head~0.base) sll_circular_create_~head~0.offset)) .cse2 (not .cse0) (= sll_circular_create_~head~0.offset sll_circular_create_~last~0.offset)) (and (<= 3 |sll_circular_create_#in~len|) .cse2)))) [2020-10-14 05:10:59,783 INFO L268 CegarLoopResult]: For program point L573-1(line 573) no Hoare annotation was computed. [2020-10-14 05:10:59,783 INFO L268 CegarLoopResult]: For program point L575-3(lines 575 580) no Hoare annotation was computed. [2020-10-14 05:10:59,784 INFO L264 CegarLoopResult]: At program point sll_circular_createENTRY(lines 572 583) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 05:10:59,784 INFO L268 CegarLoopResult]: For program point sll_circular_createFINAL(lines 572 583) no Hoare annotation was computed. [2020-10-14 05:10:59,784 INFO L268 CegarLoopResult]: For program point sll_circular_createEXIT(lines 572 583) no Hoare annotation was computed. [2020-10-14 05:10:59,784 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 05:10:59,784 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 05:10:59,784 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 05:10:59,784 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 05:10:59,784 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 609 628) no Hoare annotation was computed. [2020-10-14 05:10:59,784 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-10-14 05:10:59,785 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 609 628) no Hoare annotation was computed. [2020-10-14 05:10:59,785 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (let ((.cse5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset) 4)))) (let ((.cse1 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse3 (= (+ main_~len~0 1) .cse5)) (.cse4 (<= 0 main_~i~0))) (or (let ((.cse0 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4)))) (and (<= .cse0 main_~expected~0) .cse1 .cse2 .cse3 (<= main_~expected~0 .cse0) .cse4 (<= (+ main_~i~0 main_~len~0) .cse0) (<= .cse0 main_~len~0))) (and .cse1 .cse2 .cse3 (<= 1 main_~i~0) (= main_~expected~0 .cse5) .cse4 (<= main_~i~0 1))))) [2020-10-14 05:10:59,785 INFO L268 CegarLoopResult]: For program point L620-1(line 620) no Hoare annotation was computed. [2020-10-14 05:10:59,785 INFO L268 CegarLoopResult]: For program point L620-2(lines 620 622) no Hoare annotation was computed. [2020-10-14 05:10:59,785 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse3 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (let ((.cse0 (<= main_~len~0 2)) (.cse1 (= (+ main_~i~0 main_~len~0) main_~new_data~0)) (.cse2 (not (= .cse3 main_~s~0.base)))) (or (and .cse0 (<= (+ main_~i~0 2) main_~len~0) (<= 0 main_~i~0) .cse1 .cse2 (or (= main_~s~0.offset (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (= main_~s~0.offset (select (select |#memory_$Pointer$.offset| .cse3) main_~s~0.offset)))) (let ((.cse4 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4)))) (and .cse0 (<= 2 main_~len~0) (<= 1 main_~i~0) (<= main_~len~0 .cse4) .cse1 (<= .cse4 main_~len~0) .cse2 (<= main_~i~0 1)))))) [2020-10-14 05:10:59,785 INFO L268 CegarLoopResult]: For program point L618-2(lines 618 623) no Hoare annotation was computed. [2020-10-14 05:10:59,786 INFO L268 CegarLoopResult]: For program point L616-1(lines 614 617) no Hoare annotation was computed. [2020-10-14 05:10:59,786 INFO L264 CegarLoopResult]: At program point L618-3(lines 618 623) the Hoare annotation is: (let ((.cse0 (<= main_~len~0 2)) (.cse1 (<= 2 main_~len~0)) (.cse2 (= (+ main_~len~0 1) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset) 4))))) (or (let ((.cse3 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4)))) (and .cse0 .cse1 .cse2 (<= 0 main_~i~0) (<= (+ main_~i~0 main_~len~0) .cse3) (<= .cse3 main_~len~0))) (and .cse0 .cse1 .cse2 (<= 1 main_~i~0)))) [2020-10-14 05:10:59,786 INFO L271 CegarLoopResult]: At program point L618-4(lines 618 623) the Hoare annotation is: true [2020-10-14 05:10:59,786 INFO L264 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (<= 2 main_~len~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 05:10:59,786 INFO L264 CegarLoopResult]: At program point L614-2(lines 614 617) the Hoare annotation is: (let ((.cse6 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4))) (.cse5 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (let ((.cse3 (not (= .cse5 main_~s~0.base))) (.cse0 (<= main_~len~0 2)) (.cse4 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (.cse1 (<= main_~len~0 .cse6)) (.cse2 (<= .cse6 main_~len~0))) (or (and .cse0 (<= (+ main_~i~0 1) main_~len~0) (<= main_~len~0 main_~new_data~0) (<= 1 main_~i~0) .cse1 .cse2 (<= main_~new_data~0 main_~len~0) .cse3) (and .cse0 (<= (+ main_~i~0 2) main_~len~0) (<= 0 main_~i~0) .cse3 (or (= main_~s~0.offset .cse4) (= main_~s~0.offset (select (select |#memory_$Pointer$.offset| .cse5) main_~s~0.offset)))) (and .cse0 (<= 2 main_~len~0) (= (+ main_~len~0 1) (select (select |#memory_int| .cse5) (+ .cse4 4))) .cse1 (<= main_~len~0 main_~i~0) .cse2)))) [2020-10-14 05:10:59,787 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-10-14 05:10:59,787 INFO L268 CegarLoopResult]: For program point L614-3(lines 614 617) no Hoare annotation was computed. [2020-10-14 05:10:59,787 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 626) no Hoare annotation was computed. [2020-10-14 05:10:59,787 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 609 628) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 05:10:59,787 INFO L264 CegarLoopResult]: At program point L621(lines 609 628) the Hoare annotation is: false [2020-10-14 05:10:59,787 INFO L264 CegarLoopResult]: At program point sll_circular_destroyENTRY(lines 584 594) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-14 05:10:59,788 INFO L268 CegarLoopResult]: For program point sll_circular_destroyEXIT(lines 584 594) no Hoare annotation was computed. [2020-10-14 05:10:59,788 INFO L268 CegarLoopResult]: For program point L585(lines 585 593) no Hoare annotation was computed. [2020-10-14 05:10:59,788 INFO L271 CegarLoopResult]: At program point L587-2(lines 587 591) the Hoare annotation is: true [2020-10-14 05:10:59,788 INFO L268 CegarLoopResult]: For program point L587-3(lines 587 591) no Hoare annotation was computed. [2020-10-14 05:10:59,788 INFO L268 CegarLoopResult]: For program point L585-2(lines 584 594) no Hoare annotation was computed. [2020-10-14 05:10:59,788 INFO L268 CegarLoopResult]: For program point sll_circular_update_atEXIT(lines 602 608) no Hoare annotation was computed. [2020-10-14 05:10:59,788 INFO L264 CegarLoopResult]: At program point sll_circular_update_atENTRY(lines 602 608) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-14 05:10:59,788 INFO L268 CegarLoopResult]: For program point sll_circular_update_atFINAL(lines 602 608) no Hoare annotation was computed. [2020-10-14 05:10:59,788 INFO L264 CegarLoopResult]: At program point L603-2(lines 603 606) the Hoare annotation is: (let ((.cse1 (<= 2 |sll_circular_update_at_#in~index|)) (.cse0 (= |sll_circular_update_at_#in~index| sll_circular_update_at_~index)) (.cse2 (= |sll_circular_update_at_#in~data| sll_circular_update_at_~data))) (and (or .cse0 .cse1 (and (= sll_circular_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_circular_update_at_#in~head.base|) |sll_circular_update_at_#in~head.offset|)) .cse2)) (let ((.cse5 (<= (+ sll_circular_update_at_~index 1) |sll_circular_update_at_#in~index|)) (.cse3 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse4 (= |#memory_int| |old(#memory_int)|)) (.cse6 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (or (and .cse3 (= (select (select |old(#memory_$Pointer$.base)| |sll_circular_update_at_#in~head.base|) |sll_circular_update_at_#in~head.offset|) sll_circular_update_at_~head.base) .cse4 .cse5 (<= 1 |sll_circular_update_at_#in~index|) .cse6) (and .cse3 .cse4 .cse1 .cse5 .cse6) (and .cse3 .cse0 (= |sll_circular_update_at_#in~head.base| sll_circular_update_at_~head.base) .cse4 (= sll_circular_update_at_~head.offset |sll_circular_update_at_#in~head.offset|) .cse6 .cse2))))) [2020-10-14 05:10:59,789 INFO L268 CegarLoopResult]: For program point L603-3(lines 603 606) no Hoare annotation was computed. [2020-10-14 05:10:59,789 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 05:10:59,789 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-10-14 05:10:59,789 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-10-14 05:10:59,789 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-10-14 05:10:59,789 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-10-14 05:10:59,789 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-10-14 05:10:59,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,803 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,805 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,805 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,809 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,809 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,818 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,819 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,819 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,819 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,819 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,820 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,820 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,824 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,824 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,825 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,825 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,834 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,834 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,834 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,834 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,836 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,836 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,836 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,836 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,848 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,848 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,853 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:10:59 BoogieIcfgContainer [2020-10-14 05:10:59,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 05:10:59,858 INFO L168 Benchmark]: Toolchain (without parser) took 57582.64 ms. Allocated memory was 146.3 MB in the beginning and 907.5 MB in the end (delta: 761.3 MB). Free memory was 101.3 MB in the beginning and 779.4 MB in the end (delta: -678.1 MB). Peak memory consumption was 754.3 MB. Max. memory is 7.1 GB. [2020-10-14 05:10:59,858 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 05:10:59,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.70 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 101.3 MB in the beginning and 168.0 MB in the end (delta: -66.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-10-14 05:10:59,860 INFO L168 Benchmark]: Boogie Preprocessor took 72.72 ms. Allocated memory is still 203.4 MB. Free memory was 168.0 MB in the beginning and 165.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-14 05:10:59,861 INFO L168 Benchmark]: RCFGBuilder took 661.06 ms. Allocated memory is still 203.4 MB. Free memory was 165.2 MB in the beginning and 116.5 MB in the end (delta: 48.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 7.1 GB. [2020-10-14 05:10:59,861 INFO L168 Benchmark]: TraceAbstraction took 56232.45 ms. Allocated memory was 203.4 MB in the beginning and 907.5 MB in the end (delta: 704.1 MB). Free memory was 115.5 MB in the beginning and 779.4 MB in the end (delta: -663.9 MB). Peak memory consumption was 711.4 MB. Max. memory is 7.1 GB. [2020-10-14 05:10:59,865 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 611.70 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 101.3 MB in the beginning and 168.0 MB in the end (delta: -66.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.72 ms. Allocated memory is still 203.4 MB. Free memory was 168.0 MB in the beginning and 165.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 661.06 ms. Allocated memory is still 203.4 MB. Free memory was 165.2 MB in the beginning and 116.5 MB in the end (delta: 48.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 56232.45 ms. Allocated memory was 203.4 MB in the beginning and 907.5 MB in the end (delta: 704.1 MB). Free memory was 115.5 MB in the beginning and 779.4 MB in the end (delta: -663.9 MB). Peak memory consumption was 711.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 626]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 575]: Loop Invariant [2020-10-14 05:10:59,877 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,877 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,878 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,878 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((head == last && head == 0) && last == 0) && \old(len) == len) && \valid[last] == 1) || (((((!(#memory_$Pointer$[head][head] == head) && \old(len) <= len + 1) && head == #memory_$Pointer$[head][head]) && len + 1 <= \old(len)) && !(head == last)) && head == last)) || (3 <= \old(len) && len + 1 <= \old(len)) - InvariantResult [Line: 614]: Loop Invariant [2020-10-14 05:10:59,880 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,880 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,880 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,880 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,880 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,881 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,881 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,882 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,882 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,882 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,882 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,882 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,882 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,883 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,883 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,883 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,883 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,885 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,885 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,885 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,885 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,885 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((len <= 2 && i + 1 <= len) && len <= new_data) && 1 <= i) && len <= unknown-#memory_int-unknown[s][s + 4]) && unknown-#memory_int-unknown[s][s + 4] <= len) && new_data <= len) && !(#memory_$Pointer$[s][s] == s)) || ((((len <= 2 && i + 2 <= len) && 0 <= i) && !(#memory_$Pointer$[s][s] == s)) && (s == #memory_$Pointer$[s][s] || s == #memory_$Pointer$[#memory_$Pointer$[s][s]][s]))) || (((((len <= 2 && 2 <= len) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4]) && len <= unknown-#memory_int-unknown[s][s + 4]) && len <= i) && unknown-#memory_int-unknown[s][s + 4] <= len) - InvariantResult [Line: 596]: Loop Invariant [2020-10-14 05:10:59,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((index <= \old(index) && 2 <= \old(index)) || (((#memory_$Pointer$[head][head] == head && #memory_$Pointer$[head][head] == head) && 1 <= \old(index)) && index + 1 == \old(index))) || ((head == head && index == \old(index)) && head == head) - InvariantResult [Line: 609]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant [2020-10-14 05:10:59,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,900 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,900 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,900 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,900 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((\old(index) == index || 2 <= \old(index)) || (head == #memory_$Pointer$[head][head] && \old(data) == data)) && (((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(#memory_$Pointer$)[head][head] == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index + 1 <= \old(index)) && 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && 2 <= \old(index)) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(index) == index) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && head == head) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(data) == data)) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant [2020-10-14 05:10:59,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:59,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:59,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:59,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:59,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((len <= 2 && 2 <= len) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4]) && 0 <= i) && i + len <= unknown-#memory_int-unknown[s][s + 4]) && unknown-#memory_int-unknown[s][s + 4] <= len) || (((len <= 2 && 2 <= len) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4]) && 1 <= i) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 55.0s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 539 SDtfs, 666 SDslu, 1843 SDs, 0 SdLazy, 4089 SolverSat, 423 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 396 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 54 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 85 PreInvPairs, 119 NumberOfFragments, 758 HoareAnnotationTreeSize, 85 FomulaSimplifications, 1148 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 25 FomulaSimplificationsInter, 620 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 46.6s InterpolantComputationTime, 767 NumberOfCodeBlocks, 767 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 753 ConstructedInterpolants, 0 QuantifiedInterpolants, 220788 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 198/262 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...