/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=NARROWEST --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/dll2c_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 10:36:58,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 10:36:58,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 10:36:58,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 10:36:58,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 10:36:58,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 10:36:58,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 10:36:58,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 10:36:58,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 10:36:58,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 10:36:58,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 10:36:58,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 10:36:58,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 10:36:59,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 10:36:59,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 10:36:59,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 10:36:59,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 10:36:59,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 10:36:59,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 10:36:59,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 10:36:59,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 10:36:59,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 10:36:59,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 10:36:59,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 10:36:59,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 10:36:59,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 10:36:59,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 10:36:59,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 10:36:59,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 10:36:59,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 10:36:59,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 10:36:59,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 10:36:59,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 10:36:59,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 10:36:59,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 10:36:59,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 10:36:59,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 10:36:59,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 10:36:59,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 10:36:59,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 10:36:59,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 10:36:59,060 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 [2020-10-13 10:36:59,100 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 10:36:59,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 10:36:59,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 10:36:59,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 10:36:59,103 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 10:36:59,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 10:36:59,103 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 10:36:59,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 10:36:59,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 10:36:59,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 10:36:59,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 10:36:59,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 10:36:59,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 10:36:59,106 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 10:36:59,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 10:36:59,106 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 10:36:59,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 10:36:59,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 10:36:59,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 10:36:59,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 10:36:59,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 10:36:59,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:36:59,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 10:36:59,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 10:36:59,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 10:36:59,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 10:36:59,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 10:36:59,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 10:36:59,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 10:36:59,109 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 10:36:59,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 10:36:59,447 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 10:36:59,450 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 10:36:59,452 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 10:36:59,452 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 10:36:59,453 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_remove_all_reverse.i [2020-10-13 10:36:59,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3924222b4/807523086ca04e9c8950907c9c46da36/FLAG9437c6ee3 [2020-10-13 10:37:00,057 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 10:37:00,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2c_remove_all_reverse.i [2020-10-13 10:37:00,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3924222b4/807523086ca04e9c8950907c9c46da36/FLAG9437c6ee3 [2020-10-13 10:37:00,393 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3924222b4/807523086ca04e9c8950907c9c46da36 [2020-10-13 10:37:00,402 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 10:37:00,403 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 10:37:00,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 10:37:00,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 10:37:00,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 10:37:00,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:37:00" (1/1) ... [2020-10-13 10:37:00,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cad35ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:00, skipping insertion in model container [2020-10-13 10:37:00,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:37:00" (1/1) ... [2020-10-13 10:37:00,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 10:37:00,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 10:37:00,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:37:00,897 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 10:37:00,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:37:01,011 INFO L208 MainTranslator]: Completed translation [2020-10-13 10:37:01,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:01 WrapperNode [2020-10-13 10:37:01,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 10:37:01,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 10:37:01,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 10:37:01,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 10:37:01,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:01" (1/1) ... [2020-10-13 10:37:01,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:01" (1/1) ... [2020-10-13 10:37:01,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:01" (1/1) ... [2020-10-13 10:37:01,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:01" (1/1) ... [2020-10-13 10:37:01,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:01" (1/1) ... [2020-10-13 10:37:01,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:01" (1/1) ... [2020-10-13 10:37:01,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:01" (1/1) ... [2020-10-13 10:37:01,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 10:37:01,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 10:37:01,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 10:37:01,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 10:37:01,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:01" (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 [2020-10-13 10:37:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 10:37:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 10:37:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-13 10:37:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-13 10:37:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-13 10:37:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-13 10:37:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2020-10-13 10:37:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_remove_last [2020-10-13 10:37:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 10:37:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 10:37:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-13 10:37:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-13 10:37:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-13 10:37:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-13 10:37:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-13 10:37:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-13 10:37:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-13 10:37:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-13 10:37:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-13 10:37:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-13 10:37:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-13 10:37:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-13 10:37:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-13 10:37:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-13 10:37:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-13 10:37:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-13 10:37:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-13 10:37:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-13 10:37:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-13 10:37:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-13 10:37:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-13 10:37:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-13 10:37:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-13 10:37:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-13 10:37:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-13 10:37:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-13 10:37:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-13 10:37:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-13 10:37:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-13 10:37:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-13 10:37:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-13 10:37:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-13 10:37:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-13 10:37:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-13 10:37:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-13 10:37:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-13 10:37:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-13 10:37:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-13 10:37:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-13 10:37:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-13 10:37:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-13 10:37:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-13 10:37:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-13 10:37:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-13 10:37:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-13 10:37:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-13 10:37:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-13 10:37:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-13 10:37:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-13 10:37:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-13 10:37:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-13 10:37:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-13 10:37:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 10:37:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 10:37:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-13 10:37:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 10:37:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-13 10:37:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-13 10:37:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-13 10:37:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-13 10:37:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-13 10:37:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 10:37:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-13 10:37:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-13 10:37:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-13 10:37:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 10:37:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-13 10:37:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-13 10:37:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-13 10:37:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-13 10:37:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-13 10:37:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-13 10:37:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-13 10:37:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-13 10:37:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-13 10:37:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-13 10:37:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-13 10:37:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-13 10:37:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-13 10:37:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-13 10:37:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-13 10:37:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-13 10:37:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-13 10:37:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-13 10:37:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-13 10:37:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-13 10:37:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-13 10:37:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-13 10:37:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-13 10:37:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-13 10:37:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-13 10:37:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-13 10:37:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-13 10:37:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-13 10:37:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-13 10:37:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-13 10:37:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-13 10:37:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-13 10:37:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-13 10:37:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-13 10:37:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-13 10:37:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-13 10:37:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-13 10:37:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-13 10:37:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-13 10:37:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-13 10:37:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-13 10:37:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 10:37:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 10:37:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 10:37:01,164 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2020-10-13 10:37:01,164 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_remove_last [2020-10-13 10:37:01,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 10:37:01,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 10:37:01,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 10:37:01,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 10:37:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 10:37:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 10:37:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 10:37:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 10:37:01,621 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-13 10:37:01,740 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 10:37:01,740 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-13 10:37:01,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:37:01 BoogieIcfgContainer [2020-10-13 10:37:01,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 10:37:01,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 10:37:01,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 10:37:01,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 10:37:01,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:37:00" (1/3) ... [2020-10-13 10:37:01,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1915f9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:37:01, skipping insertion in model container [2020-10-13 10:37:01,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:01" (2/3) ... [2020-10-13 10:37:01,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1915f9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:37:01, skipping insertion in model container [2020-10-13 10:37:01,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:37:01" (3/3) ... [2020-10-13 10:37:01,753 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2c_remove_all_reverse.i [2020-10-13 10:37:01,764 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 10:37:01,773 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 10:37:01,787 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 10:37:01,812 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 10:37:01,813 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 10:37:01,813 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 10:37:01,813 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 10:37:01,814 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 10:37:01,814 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 10:37:01,814 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 10:37:01,814 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 10:37:01,834 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-10-13 10:37:01,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-13 10:37:01,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:37:01,842 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] [2020-10-13 10:37:01,843 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:37:01,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:37:01,849 INFO L82 PathProgramCache]: Analyzing trace with hash -2117582365, now seen corresponding path program 1 times [2020-10-13 10:37:01,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:37:01,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [87298842] [2020-10-13 10:37:01,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:37:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:02,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:02,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:02,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:02,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 10:37:02,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:37:02,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 455 [2020-10-13 10:37:02,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:02,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:02,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 10:37:02,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:02,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 10:37:02,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:37:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:02,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:02,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:02,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:37:02,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:02,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:37:02,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:02,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:02,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:02,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:02,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:02,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:37:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:02,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:02,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:02,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:37:02,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:02,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 10:37:02,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:02,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:02,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 10:37:02,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:02,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:02,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:37:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:02,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:02,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:02,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:02,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:02,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 10:37:02,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:02,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:02,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:02,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:02,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:37:02,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [87298842] [2020-10-13 10:37:02,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:37:02,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 10:37:02,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13711244] [2020-10-13 10:37:02,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 10:37:02,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:37:02,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 10:37:02,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 10:37:02,739 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 4 states. [2020-10-13 10:37:02,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:37:02,910 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2020-10-13 10:37:02,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 10:37:02,912 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-10-13 10:37:02,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:37:02,921 INFO L225 Difference]: With dead ends: 61 [2020-10-13 10:37:02,922 INFO L226 Difference]: Without dead ends: 35 [2020-10-13 10:37:02,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 10:37:02,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-13 10:37:02,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-13 10:37:02,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-13 10:37:02,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2020-10-13 10:37:02,972 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 24 [2020-10-13 10:37:02,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:37:02,975 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2020-10-13 10:37:02,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 10:37:02,975 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2020-10-13 10:37:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-13 10:37:02,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:37:02,977 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] [2020-10-13 10:37:02,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 10:37:02,978 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:37:02,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:37:02,978 INFO L82 PathProgramCache]: Analyzing trace with hash -95510826, now seen corresponding path program 1 times [2020-10-13 10:37:02,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:37:02,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567926596] [2020-10-13 10:37:02,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:37:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:03,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:03,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:03,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:03,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 10:37:03,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:37:03,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-10-13 10:37:03,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:03,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:37:03,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 10:37:03,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 10:37:03,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:03,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:37:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:03,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:03,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:03,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:37:03,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:03,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:37:03,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:03,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:03,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:03,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-13 10:37:03,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:37:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:03,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:03,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:03,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:37:03,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:03,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-13 10:37:03,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:03,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:37:03,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:37:03,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 10:37:03,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:03,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:37:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:03,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:03,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:03,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:03,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:03,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 10:37:03,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:03,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:37:03,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:03,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:37:03,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:03,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:37:03,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567926596] [2020-10-13 10:37:03,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:37:03,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 10:37:03,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986754923] [2020-10-13 10:37:03,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 10:37:03,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:37:03,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 10:37:03,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 10:37:03,716 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 7 states. [2020-10-13 10:37:03,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:37:03,970 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2020-10-13 10:37:03,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 10:37:03,971 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-13 10:37:03,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:37:03,973 INFO L225 Difference]: With dead ends: 55 [2020-10-13 10:37:03,973 INFO L226 Difference]: Without dead ends: 40 [2020-10-13 10:37:03,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-13 10:37:03,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-13 10:37:03,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 36. [2020-10-13 10:37:03,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-13 10:37:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2020-10-13 10:37:03,995 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 24 [2020-10-13 10:37:03,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:37:03,995 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2020-10-13 10:37:03,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 10:37:03,996 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2020-10-13 10:37:03,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-13 10:37:03,999 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:37:03,999 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 10:37:03,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 10:37:03,999 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:37:04,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:37:04,000 INFO L82 PathProgramCache]: Analyzing trace with hash -152003766, now seen corresponding path program 1 times [2020-10-13 10:37:04,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:37:04,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [828516197] [2020-10-13 10:37:04,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:37:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:04,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:04,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:04,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:04,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 10:37:04,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:37:04,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 429 [2020-10-13 10:37:04,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:04,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:37:04,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 10:37:04,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 10:37:04,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:04,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:37:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:04,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:04,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:04,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:37:04,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:04,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:37:04,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:04,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:04,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:04,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:04,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:37:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:04,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:04,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:04,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:37:04,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:04,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-13 10:37:04,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:04,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:37:04,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 10:37:04,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:04,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:37:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:04,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:04,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:04,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:04,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:04,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 10:37:04,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:04,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:37:04,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:04,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:37:04,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:04,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:37:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:04,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:04,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:04,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:04,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:04,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 10:37:04,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:04,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:37:04,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:04,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:37:04,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:04,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 10:37:04,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [828516197] [2020-10-13 10:37:04,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:37:04,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 10:37:04,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252229432] [2020-10-13 10:37:04,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 10:37:04,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:37:04,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 10:37:04,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-13 10:37:04,905 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand 8 states. [2020-10-13 10:37:05,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:37:05,258 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2020-10-13 10:37:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 10:37:05,259 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2020-10-13 10:37:05,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:37:05,260 INFO L225 Difference]: With dead ends: 47 [2020-10-13 10:37:05,260 INFO L226 Difference]: Without dead ends: 43 [2020-10-13 10:37:05,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2020-10-13 10:37:05,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-13 10:37:05,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 37. [2020-10-13 10:37:05,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-13 10:37:05,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2020-10-13 10:37:05,270 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 34 [2020-10-13 10:37:05,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:37:05,271 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2020-10-13 10:37:05,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 10:37:05,272 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2020-10-13 10:37:05,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-13 10:37:05,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:37:05,273 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 10:37:05,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 10:37:05,274 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:37:05,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:37:05,274 INFO L82 PathProgramCache]: Analyzing trace with hash 733701937, now seen corresponding path program 1 times [2020-10-13 10:37:05,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:37:05,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11745119] [2020-10-13 10:37:05,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:37:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:05,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:05,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:05,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:07,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:10,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:10,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 10:37:10,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 10:37:10,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 10:37:10,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:10,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:37:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-13 10:37:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:37:10,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:10,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:37:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:10,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:10,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:10,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:37:10,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:10,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:37:10,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:10,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:10,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:10,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:10,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:10,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:37:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:10,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:10,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:10,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:37:10,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:10,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 10:37:10,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:10,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:10,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:10,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:10,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:10,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:37:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:10,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:10,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:10,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:10,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:10,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:37:10,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:10,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:10,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:10,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:10,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:10,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:37:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:10,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:10,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:10,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:10,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:10,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:37:10,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:10,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:10,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:10,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:10,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:10,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:37:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:10,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:10,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:10,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:37:10,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:10,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 10:37:10,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:10,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:37:10,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:10,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:37:10,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:10,640 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-13 10:37:10,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11745119] [2020-10-13 10:37:10,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:37:10,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 10:37:10,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518990036] [2020-10-13 10:37:10,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 10:37:10,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:37:10,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 10:37:10,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:37:10,647 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 9 states. [2020-10-13 10:37:11,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:37:11,110 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2020-10-13 10:37:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 10:37:11,110 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2020-10-13 10:37:11,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:37:11,114 INFO L225 Difference]: With dead ends: 48 [2020-10-13 10:37:11,114 INFO L226 Difference]: Without dead ends: 44 [2020-10-13 10:37:11,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-10-13 10:37:11,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-13 10:37:11,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2020-10-13 10:37:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-13 10:37:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2020-10-13 10:37:11,133 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 41 [2020-10-13 10:37:11,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:37:11,133 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2020-10-13 10:37:11,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 10:37:11,134 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2020-10-13 10:37:11,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-13 10:37:11,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:37:11,136 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 10:37:11,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 10:37:11,137 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:37:11,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:37:11,137 INFO L82 PathProgramCache]: Analyzing trace with hash -75644689, now seen corresponding path program 1 times [2020-10-13 10:37:11,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:37:11,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [885323048] [2020-10-13 10:37:11,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:37:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:11,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:11,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:11,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:11,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 10:37:11,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:37:11,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 508 [2020-10-13 10:37:11,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:11,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:37:11,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 10:37:11,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-13 10:37:11,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:11,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:37:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:11,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:11,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:11,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:37:11,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:11,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:37:11,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:11,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:11,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:11,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:11,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:11,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:37:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:11,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:11,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:11,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:37:11,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:11,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-13 10:37:11,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:11,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:37:11,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:11,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 10:37:11,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:11,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:37:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:11,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:11,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:11,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:11,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:11,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:37:11,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:11,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:37:11,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:11,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:37:11,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:11,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:37:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:11,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:11,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:11,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:11,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:11,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:37:11,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:11,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:37:11,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:11,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:37:11,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:11,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:37:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:11,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:11,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:11,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:37:11,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:11,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:37:11,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:11,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:37:11,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:11,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:37:11,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 10:37:11,970 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 10:37:11,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [885323048] [2020-10-13 10:37:11,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:37:11,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 10:37:11,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383861917] [2020-10-13 10:37:11,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 10:37:11,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:37:11,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 10:37:11,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-13 10:37:11,974 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 10 states. [2020-10-13 10:37:12,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:37:12,246 INFO L93 Difference]: Finished difference Result 54 states and 62 transitions. [2020-10-13 10:37:12,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 10:37:12,247 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2020-10-13 10:37:12,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:37:12,249 INFO L225 Difference]: With dead ends: 54 [2020-10-13 10:37:12,249 INFO L226 Difference]: Without dead ends: 50 [2020-10-13 10:37:12,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-13 10:37:12,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-13 10:37:12,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2020-10-13 10:37:12,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-13 10:37:12,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2020-10-13 10:37:12,258 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 41 [2020-10-13 10:37:12,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:37:12,259 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2020-10-13 10:37:12,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 10:37:12,259 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2020-10-13 10:37:12,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-13 10:37:12,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:37:12,260 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 10:37:12,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 10:37:12,261 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:37:12,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:37:12,261 INFO L82 PathProgramCache]: Analyzing trace with hash -96988376, now seen corresponding path program 1 times [2020-10-13 10:37:12,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:37:12,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [815499812] [2020-10-13 10:37:12,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:37:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:12,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:12,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:17,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:17,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-13 10:37:17,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:37:17,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 10:37:17,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:17,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 10:37:17,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-13 10:37:17,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 10:37:17,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:17,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:37:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:17,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:17,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:17,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:37:17,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:17,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:37:17,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:17,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:17,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:17,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:17,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:17,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:37:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:17,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:17,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:17,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:37:17,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:17,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 10:37:17,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:17,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:17,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:17,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:17,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:17,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:37:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:17,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:17,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:17,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:17,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:17,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:37:17,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:17,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:17,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:17,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:17,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:17,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:37:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:17,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:17,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:17,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:17,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:17,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:37:17,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:17,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:17,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:17,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:17,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:17,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:37:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:17,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:17,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:17,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:37:17,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:17,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 10:37:17,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:37:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:37:17,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:17,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 10:37:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:17,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:17,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:17,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:37:17,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:17,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 10:37:17,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:17,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:37:17,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:37:17,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:37:17,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:17,767 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2020-10-13 10:37:17,804 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-13 10:37:17,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [815499812] [2020-10-13 10:37:17,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:37:17,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 10:37:17,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147669497] [2020-10-13 10:37:17,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 10:37:17,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:37:17,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 10:37:17,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-13 10:37:17,807 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 11 states. [2020-10-13 10:37:18,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:37:18,338 INFO L93 Difference]: Finished difference Result 57 states and 64 transitions. [2020-10-13 10:37:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 10:37:18,338 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 48 [2020-10-13 10:37:18,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:37:18,340 INFO L225 Difference]: With dead ends: 57 [2020-10-13 10:37:18,340 INFO L226 Difference]: Without dead ends: 40 [2020-10-13 10:37:18,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2020-10-13 10:37:18,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-13 10:37:18,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-13 10:37:18,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-13 10:37:18,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2020-10-13 10:37:18,355 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 48 [2020-10-13 10:37:18,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:37:18,355 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2020-10-13 10:37:18,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 10:37:18,356 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2020-10-13 10:37:18,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-13 10:37:18,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:37:18,359 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 10:37:18,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 10:37:18,360 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:37:18,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:37:18,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1376852054, now seen corresponding path program 2 times [2020-10-13 10:37:18,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:37:18,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1228978664] [2020-10-13 10:37:18,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:37:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:18,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:19,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:19,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-13 10:37:19,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:19,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1561 [2020-10-13 10:37:19,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:19,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 10:37:19,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-13 10:37:19,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 10:37:19,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:20,236 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 18 [2020-10-13 10:37:20,359 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 22 [2020-10-13 10:37:20,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:37:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:20,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:20,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:20,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:37:20,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:20,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:37:20,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:20,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:20,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:20,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:20,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:20,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:37:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:20,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:20,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:20,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:37:20,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:20,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-13 10:37:20,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:20,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:37:20,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:20,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 10:37:20,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:20,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:37:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:20,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:20,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:20,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:20,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:20,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:37:20,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:20,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:20,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:20,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:20,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:20,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:37:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:20,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:20,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:20,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:20,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:20,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:37:20,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:37:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:20,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:37:20,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:20,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:37:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:20,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:20,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:20,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:37:20,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:20,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 10:37:20,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:20,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:37:20,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:37:20,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:37:20,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:21,051 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-13 10:37:21,294 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2020-10-13 10:37:21,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 10:37:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:21,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:21,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:21,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:37:21,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:21,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 10:37:21,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:37:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:37:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:37:21,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:21,459 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-13 10:37:21,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1228978664] [2020-10-13 10:37:21,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:37:21,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-13 10:37:21,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714558972] [2020-10-13 10:37:21,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-13 10:37:21,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:37:21,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-13 10:37:21,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2020-10-13 10:37:21,465 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 16 states. [2020-10-13 10:37:22,429 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2020-10-13 10:37:22,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:37:22,488 INFO L93 Difference]: Finished difference Result 69 states and 79 transitions. [2020-10-13 10:37:22,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 10:37:22,494 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 48 [2020-10-13 10:37:22,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:37:22,496 INFO L225 Difference]: With dead ends: 69 [2020-10-13 10:37:22,496 INFO L226 Difference]: Without dead ends: 47 [2020-10-13 10:37:22,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2020-10-13 10:37:22,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-13 10:37:22,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2020-10-13 10:37:22,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-13 10:37:22,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2020-10-13 10:37:22,508 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 48 [2020-10-13 10:37:22,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:37:22,511 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2020-10-13 10:37:22,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-13 10:37:22,512 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2020-10-13 10:37:22,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-13 10:37:22,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:37:22,513 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 10:37:22,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 10:37:22,513 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:37:22,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:37:22,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1236303444, now seen corresponding path program 1 times [2020-10-13 10:37:22,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:37:22,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1750959181] [2020-10-13 10:37:22,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:37:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:22,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:22,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:22,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:22,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-13 10:37:22,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:37:22,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-10-13 10:37:22,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:22,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:37:22,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 10:37:22,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 10:37:22,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:22,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:37:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:22,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:22,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:22,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:37:22,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:22,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:37:22,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:22,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:22,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:37:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:22,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:22,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:23,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:23,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:37:23,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:37:23,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-13 10:37:23,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:37:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:37:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 10:37:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:23,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:37:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:23,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:23,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:23,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:23,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:23,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:37:23,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 10:37:23,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:23,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:37:23,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:23,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:37:23,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:23,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:37:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:23,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:23,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:23,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:23,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:23,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:37:23,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:23,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:37:23,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:23,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:37:23,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:23,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:37:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:23,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:23,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:23,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:37:23,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:23,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:37:23,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 10:37:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:23,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:23,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 10:37:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:23,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:23,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:23,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:37:23,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:23,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:37:23,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:23,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:23,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 10:37:23,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:23,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:23,271 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-13 10:37:23,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1750959181] [2020-10-13 10:37:23,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:37:23,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 10:37:23,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050454636] [2020-10-13 10:37:23,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 10:37:23,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:37:23,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 10:37:23,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:37:23,274 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. Second operand 9 states. [2020-10-13 10:37:23,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:37:23,474 INFO L93 Difference]: Finished difference Result 75 states and 84 transitions. [2020-10-13 10:37:23,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 10:37:23,475 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 48 [2020-10-13 10:37:23,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:37:23,478 INFO L225 Difference]: With dead ends: 75 [2020-10-13 10:37:23,478 INFO L226 Difference]: Without dead ends: 46 [2020-10-13 10:37:23,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-13 10:37:23,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-13 10:37:23,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2020-10-13 10:37:23,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-13 10:37:23,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2020-10-13 10:37:23,492 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 48 [2020-10-13 10:37:23,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:37:23,492 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2020-10-13 10:37:23,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 10:37:23,492 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2020-10-13 10:37:23,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-13 10:37:23,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:37:23,497 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-10-13 10:37:23,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 10:37:23,498 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:37:23,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:37:23,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1992308706, now seen corresponding path program 3 times [2020-10-13 10:37:23,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:37:23,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872447636] [2020-10-13 10:37:23,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:37:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:23,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:23,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:25,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:25,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 10:37:25,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:37:25,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1505 [2020-10-13 10:37:25,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:25,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:37:25,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 10:37:25,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 10:37:25,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:25,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:37:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:25,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:25,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:25,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:37:25,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:25,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:37:25,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:25,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:25,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:25,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:25,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:25,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:37:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:25,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:25,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:25,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 10:37:25,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:25,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-13 10:37:25,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:25,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:37:25,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:37:25,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-13 10:37:25,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:25,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:37:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:25,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:25,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:25,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:25,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:25,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 10:37:25,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:25,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:37:25,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:25,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:37:25,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:25,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:37:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:25,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:25,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:25,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:25,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:25,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:37:25,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:25,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:37:25,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:25,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:37:25,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:25,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:37:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:25,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:25,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:25,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:25,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:25,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:37:25,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:37:25,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:25,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:37:25,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:25,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 10:37:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:25,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:25,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:25,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:37:25,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:25,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:37:25,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:25,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:25,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 10:37:25,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:25,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:25,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 10:37:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:25,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:25,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:25,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:37:25,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:25,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:37:25,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:25,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:25,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 10:37:25,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:25,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:25,394 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-13 10:37:25,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872447636] [2020-10-13 10:37:25,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:37:25,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 10:37:25,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844322873] [2020-10-13 10:37:25,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 10:37:25,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:37:25,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 10:37:25,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:37:25,397 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand 9 states. [2020-10-13 10:37:25,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:37:25,556 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2020-10-13 10:37:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 10:37:25,557 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-10-13 10:37:25,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:37:25,557 INFO L225 Difference]: With dead ends: 49 [2020-10-13 10:37:25,557 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 10:37:25,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:37:25,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 10:37:25,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 10:37:25,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 10:37:25,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 10:37:25,559 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-10-13 10:37:25,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:37:25,559 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 10:37:25,559 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 10:37:25,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 10:37:25,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 10:37:25,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 10:37:25,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 10:37:26,017 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-10-13 10:37:26,107 INFO L268 CegarLoopResult]: For program point L592(lines 592 600) no Hoare annotation was computed. [2020-10-13 10:37:26,108 INFO L268 CegarLoopResult]: For program point L592-2(lines 590 601) no Hoare annotation was computed. [2020-10-13 10:37:26,108 INFO L268 CegarLoopResult]: For program point dll_circular_remove_lastEXIT(lines 590 601) no Hoare annotation was computed. [2020-10-13 10:37:26,108 INFO L264 CegarLoopResult]: At program point dll_circular_remove_lastENTRY(lines 590 601) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-13 10:37:26,108 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 10:37:26,109 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|)) [2020-10-13 10:37:26,109 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 10:37:26,109 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2020-10-13 10:37:26,109 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2020-10-13 10:37:26,109 INFO L271 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: true [2020-10-13 10:37:26,109 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-10-13 10:37:26,109 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-10-13 10:37:26,110 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-10-13 10:37:26,110 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-10-13 10:37:26,110 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-10-13 10:37:26,110 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-10-13 10:37:26,110 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 10:37:26,110 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-13 10:37:26,110 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 10:37:26,110 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 10:37:26,111 INFO L264 CegarLoopResult]: At program point L608(line 608) the Hoare annotation is: (let ((.cse1 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (.cse7 (+ .cse1 4))) (let ((.cse3 (<= (+ main_~i~0 1) main_~len~0)) (.cse0 (= main_~len~0 2)) (.cse4 (select (select |#memory_$Pointer$.base| .cse5) .cse7)) (.cse2 (select (select |#memory_$Pointer$.offset| .cse5) .cse7))) (or (and .cse0 (= .cse1 .cse2) .cse3 (= .cse4 .cse5)) (and .cse0 (= .cse5 0) .cse3 (= .cse1 0)) (let ((.cse6 (+ .cse2 4))) (and .cse0 (= .cse1 (select (select |#memory_$Pointer$.offset| .cse4) .cse6)) (<= (+ main_~i~0 2) main_~len~0) (= .cse5 (select (select |#memory_$Pointer$.base| .cse4) .cse6)))))))) [2020-10-13 10:37:26,111 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 614) no Hoare annotation was computed. [2020-10-13 10:37:26,111 INFO L268 CegarLoopResult]: For program point L608-1(lines 607 609) no Hoare annotation was computed. [2020-10-13 10:37:26,111 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 602 616) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-13 10:37:26,111 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (and (<= main_~len~0 2) (<= 2 main_~len~0) (= (select (select |#memory_$Pointer$.base| |dll_circular_remove_last_#in~head.base|) |dll_circular_remove_last_#in~head.offset|) (select (select |old(#memory_$Pointer$.base)| |dll_circular_remove_last_#in~head.base|) |dll_circular_remove_last_#in~head.offset|)) (= (select (select |old(#memory_$Pointer$.offset)| |dll_circular_remove_last_#in~head.base|) |dll_circular_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |dll_circular_remove_last_#in~head.base|) |dll_circular_remove_last_#in~head.offset|))) [2020-10-13 10:37:26,112 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 609) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (.cse3 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse7 (= .cse3 0)) (.cse8 (= .cse0 0)) (.cse5 (= main_~len~0 2)) (.cse9 (+ .cse0 4))) (let ((.cse2 (select (select |#memory_$Pointer$.base| .cse3) .cse9)) (.cse1 (select (select |#memory_$Pointer$.offset| .cse3) .cse9)) (.cse4 (or (and .cse5 .cse7 .cse8) (and .cse5 (<= (+ main_~i~0 1) main_~len~0))))) (or (and (= .cse0 .cse1) (= .cse2 .cse3) .cse4) (let ((.cse6 (+ .cse1 4))) (and .cse5 (= .cse0 (select (select |#memory_$Pointer$.offset| .cse2) .cse6)) (<= (+ main_~i~0 2) main_~len~0) (= .cse3 (select (select |#memory_$Pointer$.base| .cse2) .cse6)))) (and .cse7 .cse8 .cse4))))) [2020-10-13 10:37:26,112 INFO L268 CegarLoopResult]: For program point L605-1(line 605) no Hoare annotation was computed. [2020-10-13 10:37:26,112 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 609) no Hoare annotation was computed. [2020-10-13 10:37:26,112 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 602 616) no Hoare annotation was computed. [2020-10-13 10:37:26,112 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 602 616) no Hoare annotation was computed. [2020-10-13 10:37:26,112 INFO L264 CegarLoopResult]: At program point L611(lines 602 616) the Hoare annotation is: false [2020-10-13 10:37:26,113 INFO L268 CegarLoopResult]: For program point L610(lines 610 612) no Hoare annotation was computed. [2020-10-13 10:37:26,113 INFO L268 CegarLoopResult]: For program point L578-1(line 578) no Hoare annotation was computed. [2020-10-13 10:37:26,113 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= dll_circular_create_~len |dll_circular_create_#in~len|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= 2 |dll_circular_create_#in~len|))) [2020-10-13 10:37:26,113 INFO L264 CegarLoopResult]: At program point L577-2(lines 577 585) the Hoare annotation is: (or (let ((.cse0 (select |#memory_$Pointer$.base| dll_circular_create_~last~0.base)) (.cse2 (select |#memory_$Pointer$.offset| dll_circular_create_~last~0.base)) (.cse1 (+ dll_circular_create_~last~0.offset 4))) (and (= dll_circular_create_~head~0.base (select (store .cse0 dll_circular_create_~last~0.offset dll_circular_create_~head~0.base) .cse1)) (= (+ dll_circular_create_~len 1) |dll_circular_create_#in~len|) (= dll_circular_create_~new_head~0.base (select .cse0 .cse1)) (= (select (store .cse2 dll_circular_create_~last~0.offset dll_circular_create_~head~0.offset) .cse1) dll_circular_create_~head~0.offset) (= dll_circular_create_~new_head~0.offset (select .cse2 .cse1)))) (not (<= 2 |dll_circular_create_#in~len|)) (and (= dll_circular_create_~len |dll_circular_create_#in~len|) (= dll_circular_create_~head~0.offset dll_circular_create_~last~0.offset) (or (not (= dll_circular_create_~head~0.base 0)) (<= (+ dll_circular_create_~head~0.offset 1) 0) (<= 1 dll_circular_create_~head~0.offset)) (= dll_circular_create_~head~0.base dll_circular_create_~last~0.base)) (<= 3 |dll_circular_create_#in~len|)) [2020-10-13 10:37:26,113 INFO L268 CegarLoopResult]: For program point dll_circular_createEXIT(lines 574 589) no Hoare annotation was computed. [2020-10-13 10:37:26,113 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-10-13 10:37:26,114 INFO L268 CegarLoopResult]: For program point L577-3(lines 577 585) no Hoare annotation was computed. [2020-10-13 10:37:26,114 INFO L268 CegarLoopResult]: For program point dll_circular_createFINAL(lines 574 589) no Hoare annotation was computed. [2020-10-13 10:37:26,114 INFO L268 CegarLoopResult]: For program point L580(lines 580 582) no Hoare annotation was computed. [2020-10-13 10:37:26,114 INFO L264 CegarLoopResult]: At program point dll_circular_createENTRY(lines 574 589) the Hoare annotation is: (or (not (<= 2 |dll_circular_create_#in~len|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-10-13 10:37:26,114 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (or (not (<= 2 |dll_circular_create_#in~len|)) (and (= dll_circular_create_~len |dll_circular_create_#in~len|) (= dll_circular_create_~head~0.offset dll_circular_create_~last~0.offset) (or (not (= dll_circular_create_~head~0.base 0)) (<= (+ dll_circular_create_~head~0.offset 1) 0) (<= 1 dll_circular_create_~head~0.offset)) (= dll_circular_create_~head~0.base dll_circular_create_~last~0.base)) (<= 3 |dll_circular_create_#in~len|)) [2020-10-13 10:37:26,114 INFO L268 CegarLoopResult]: For program point L580-2(lines 580 582) no Hoare annotation was computed. [2020-10-13 10:37:26,114 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 564 573) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-13 10:37:26,115 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 564 573) no Hoare annotation was computed. [2020-10-13 10:37:26,115 INFO L271 CegarLoopResult]: At program point L567(line 567) the Hoare annotation is: true [2020-10-13 10:37:26,115 INFO L268 CegarLoopResult]: For program point L566(lines 566 568) no Hoare annotation was computed. [2020-10-13 10:37:26,115 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2020-10-13 10:37:26,115 INFO L268 CegarLoopResult]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2020-10-13 10:37:26,127 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,129 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,129 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,129 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,143 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,143 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,143 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,144 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,144 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,144 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,144 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,152 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:37:26 BoogieIcfgContainer [2020-10-13 10:37:26,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 10:37:26,171 INFO L168 Benchmark]: Toolchain (without parser) took 25767.53 ms. Allocated memory was 141.0 MB in the beginning and 605.6 MB in the end (delta: 464.5 MB). Free memory was 102.8 MB in the beginning and 117.1 MB in the end (delta: -14.3 MB). Peak memory consumption was 450.2 MB. Max. memory is 7.1 GB. [2020-10-13 10:37:26,172 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.2 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-13 10:37:26,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.31 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.8 MB in the beginning and 169.0 MB in the end (delta: -66.3 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-10-13 10:37:26,173 INFO L168 Benchmark]: Boogie Preprocessor took 65.00 ms. Allocated memory is still 204.5 MB. Free memory was 169.0 MB in the beginning and 166.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-13 10:37:26,174 INFO L168 Benchmark]: RCFGBuilder took 666.63 ms. Allocated memory is still 204.5 MB. Free memory was 166.2 MB in the beginning and 118.3 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 7.1 GB. [2020-10-13 10:37:26,175 INFO L168 Benchmark]: TraceAbstraction took 24422.79 ms. Allocated memory was 204.5 MB in the beginning and 605.6 MB in the end (delta: 401.1 MB). Free memory was 117.4 MB in the beginning and 117.1 MB in the end (delta: 341.5 kB). Peak memory consumption was 401.4 MB. Max. memory is 7.1 GB. [2020-10-13 10:37:26,178 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.2 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 608.31 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.8 MB in the beginning and 169.0 MB in the end (delta: -66.3 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.00 ms. Allocated memory is still 204.5 MB. Free memory was 169.0 MB in the beginning and 166.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 666.63 ms. Allocated memory is still 204.5 MB. Free memory was 166.2 MB in the beginning and 118.3 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24422.79 ms. Allocated memory was 204.5 MB in the beginning and 605.6 MB in the end (delta: 401.1 MB). Free memory was 117.4 MB in the beginning and 117.1 MB in the end (delta: 341.5 kB). Peak memory consumption was 401.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 614]: 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: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant [2020-10-13 10:37:26,201 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,202 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((head == #memory_$Pointer$[last][last := head][last + 4] && len + 1 == \old(len)) && new_head == #memory_$Pointer$[last][last + 4]) && #memory_$Pointer$[last][last := head][last + 4] == head) && new_head == #memory_$Pointer$[last][last + 4]) || !(2 <= \old(len))) || (((len == \old(len) && head == last) && ((!(head == 0) || head + 1 <= 0) || 1 <= head)) && head == last)) || 3 <= \old(len) - InvariantResult [Line: 607]: Loop Invariant [2020-10-13 10:37:26,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,220 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,220 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,220 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,220 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,220 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:37:26,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:37:26,224 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:37:26,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((#memory_$Pointer$[s][s] == #memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] && #memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] == #memory_$Pointer$[s][s]) && (((len == 2 && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == 0) || (len == 2 && i + 1 <= len))) || (((len == 2 && #memory_$Pointer$[s][s] == #memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4]][#memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] + 4]) && i + 2 <= len) && #memory_$Pointer$[s][s] == #memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4]][#memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] + 4])) || ((#memory_$Pointer$[s][s] == 0 && #memory_$Pointer$[s][s] == 0) && (((len == 2 && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == 0) || (len == 2 && i + 1 <= len))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.7s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 280 SDtfs, 127 SDslu, 1081 SDs, 0 SdLazy, 1140 SolverSat, 163 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 25 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 34 PreInvPairs, 47 NumberOfFragments, 617 HoareAnnotationTreeSize, 34 FomulaSimplifications, 734 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 760 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.5s InterpolantComputationTime, 366 NumberOfCodeBlocks, 366 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 357 ConstructedInterpolants, 0 QuantifiedInterpolants, 154228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 77/96 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...