/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:24:34,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:24:34,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:24:34,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:24:34,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:24:34,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:24:34,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:24:34,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:24:34,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:24:34,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:24:34,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:24:34,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:24:34,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:24:34,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:24:34,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:24:34,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:24:34,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:24:34,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:24:34,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:24:34,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:24:34,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:24:34,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:24:34,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:24:34,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:24:34,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:24:34,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:24:34,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:24:34,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:24:34,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:24:34,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:24:34,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:24:34,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:24:34,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:24:34,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:24:34,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:24:34,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:24:34,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:24:34,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:24:34,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:24:34,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:24:34,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:24:34,108 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:24:34,166 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:24:34,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:24:34,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:24:34,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:24:34,170 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:24:34,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:24:34,171 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:24:34,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:24:34,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:24:34,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:24:34,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:24:34,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:24:34,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:24:34,174 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:24:34,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:24:34,174 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:24:34,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:24:34,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:24:34,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:24:34,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:24:34,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:24:34,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:24:34,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:24:34,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:24:34,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:24:34,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:24:34,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:24:34,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:24:34,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:24:34,177 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.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:24:34,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:24:34,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:24:34,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:24:34,703 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:24:34,704 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:24:34,705 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-09-21 11:24:34,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/174962277/9f74a54f929e4955a736d004ad2444c5/FLAG64c647c1d [2020-09-21 11:24:35,410 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:24:35,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-09-21 11:24:35,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/174962277/9f74a54f929e4955a736d004ad2444c5/FLAG64c647c1d [2020-09-21 11:24:35,635 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/174962277/9f74a54f929e4955a736d004ad2444c5 [2020-09-21 11:24:35,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:24:35,656 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:24:35,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:24:35,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:24:35,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:24:35,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:24:35" (1/1) ... [2020-09-21 11:24:35,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b50498e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:35, skipping insertion in model container [2020-09-21 11:24:35,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:24:35" (1/1) ... [2020-09-21 11:24:35,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:24:35,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:24:36,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:24:36,304 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:24:36,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:24:36,416 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:24:36,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:36 WrapperNode [2020-09-21 11:24:36,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:24:36,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:24:36,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:24:36,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:24:36,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:36" (1/1) ... [2020-09-21 11:24:36,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:36" (1/1) ... [2020-09-21 11:24:36,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:36" (1/1) ... [2020-09-21 11:24:36,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:36" (1/1) ... [2020-09-21 11:24:36,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:36" (1/1) ... [2020-09-21 11:24:36,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:36" (1/1) ... [2020-09-21 11:24:36,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:36" (1/1) ... [2020-09-21 11:24:36,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:24:36,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:24:36,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:24:36,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:24:36,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:24:36,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:24:36,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:24:36,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-21 11:24:36,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-21 11:24:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-09-21 11:24:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-09-21 11:24:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-09-21 11:24:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-09-21 11:24:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-09-21 11:24:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-09-21 11:24:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:24:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:24:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-21 11:24:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-21 11:24:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-21 11:24:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-21 11:24:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-21 11:24:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-21 11:24:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-21 11:24:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-21 11:24:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-21 11:24:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-21 11:24:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-21 11:24:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-21 11:24:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-21 11:24:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-21 11:24:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-21 11:24:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-21 11:24:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-21 11:24:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-21 11:24:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-21 11:24:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-21 11:24:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-21 11:24:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-21 11:24:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-21 11:24:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-21 11:24:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-21 11:24:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-21 11:24:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-21 11:24:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-21 11:24:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-21 11:24:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-21 11:24:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-21 11:24:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-21 11:24:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-21 11:24:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-21 11:24:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-21 11:24:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-21 11:24:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-21 11:24:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-21 11:24:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-21 11:24:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-21 11:24:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-21 11:24:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-21 11:24:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-21 11:24:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-21 11:24:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-21 11:24:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-21 11:24:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-21 11:24:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-21 11:24:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-21 11:24:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-21 11:24:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-21 11:24:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-21 11:24:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:24:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-21 11:24:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-21 11:24:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:24:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-21 11:24:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-21 11:24:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-21 11:24:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-21 11:24:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-21 11:24:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 11:24:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-21 11:24:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-21 11:24:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-21 11:24:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:24:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-21 11:24:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-21 11:24:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-21 11:24:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-21 11:24:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-21 11:24:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-21 11:24:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-21 11:24:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-21 11:24:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-21 11:24:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-21 11:24:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-21 11:24:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-21 11:24:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-21 11:24:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-21 11:24:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-21 11:24:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-21 11:24:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-21 11:24:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-21 11:24:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-21 11:24:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-21 11:24:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-21 11:24:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-21 11:24:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-21 11:24:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-21 11:24:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-21 11:24:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-21 11:24:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-21 11:24:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-21 11:24:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-21 11:24:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-21 11:24:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-21 11:24:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-21 11:24:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-21 11:24:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-21 11:24:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-21 11:24:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-21 11:24:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-21 11:24:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-21 11:24:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-21 11:24:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-09-21 11:24:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-09-21 11:24:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:24:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:24:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:24:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-09-21 11:24:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-09-21 11:24:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:24:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:24:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-09-21 11:24:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:24:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-09-21 11:24:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:24:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:24:36,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:24:37,050 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-09-21 11:24:37,206 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:24:37,207 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-09-21 11:24:37,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:24:37 BoogieIcfgContainer [2020-09-21 11:24:37,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:24:37,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:24:37,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:24:37,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:24:37,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:24:35" (1/3) ... [2020-09-21 11:24:37,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195781cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:24:37, skipping insertion in model container [2020-09-21 11:24:37,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:36" (2/3) ... [2020-09-21 11:24:37,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195781cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:24:37, skipping insertion in model container [2020-09-21 11:24:37,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:24:37" (3/3) ... [2020-09-21 11:24:37,222 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-09-21 11:24:37,235 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:24:37,245 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:24:37,269 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:24:37,303 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:24:37,303 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:24:37,303 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:24:37,303 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:24:37,303 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:24:37,304 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:24:37,304 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:24:37,304 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:24:37,329 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-09-21 11:24:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-09-21 11:24:37,338 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:37,340 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:37,340 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:37,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:37,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1559034541, now seen corresponding path program 1 times [2020-09-21 11:24:37,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:37,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335741855] [2020-09-21 11:24:37,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:24:37,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:24:37,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:24:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:37,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:37,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:37,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:37,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:37,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:37,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,639 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:37,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:37,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:37,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:24:37,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:37,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:37,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:24:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:37,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:37,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:37,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:37,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:37,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:37,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:37,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:37,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:37,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:37,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:24:37,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:37,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:37,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:24:37,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335741855] [2020-09-21 11:24:37,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:37,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:24:37,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570371859] [2020-09-21 11:24:37,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:24:37,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:37,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:24:37,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:24:37,727 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 4 states. [2020-09-21 11:24:38,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:38,025 INFO L93 Difference]: Finished difference Result 128 states and 183 transitions. [2020-09-21 11:24:38,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:24:38,027 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-09-21 11:24:38,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:38,042 INFO L225 Difference]: With dead ends: 128 [2020-09-21 11:24:38,042 INFO L226 Difference]: Without dead ends: 69 [2020-09-21 11:24:38,047 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 [2020-09-21 11:24:38,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-09-21 11:24:38,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 42. [2020-09-21 11:24:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-21 11:24:38,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-09-21 11:24:38,110 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 25 [2020-09-21 11:24:38,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:38,110 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-09-21 11:24:38,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:24:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-09-21 11:24:38,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-09-21 11:24:38,112 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:38,112 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:38,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:24:38,113 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:38,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:38,114 INFO L82 PathProgramCache]: Analyzing trace with hash -404189262, now seen corresponding path program 1 times [2020-09-21 11:24:38,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:38,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1140501097] [2020-09-21 11:24:38,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:38,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:38,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:38,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:38,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:38,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:24:38,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:38,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:24:38,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:38,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:38,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:24:38,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:24:38,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:38,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:38,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:38,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:38,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:38,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:38,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:38,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:38,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:38,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:38,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:38,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:38,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:38,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:38,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:38,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:38,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:38,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:38,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:38,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:24:38,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:38,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:38,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:24:38,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:24:38,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:38,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:24:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:38,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:38,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:38,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:38,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:38,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:38,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:38,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:38,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:24:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:38,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:38,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:24:38,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1140501097] [2020-09-21 11:24:38,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:38,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:24:38,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440096564] [2020-09-21 11:24:38,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:24:38,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:38,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:24:38,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:24:38,339 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 7 states. [2020-09-21 11:24:38,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:38,638 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2020-09-21 11:24:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:24:38,640 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-09-21 11:24:38,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:38,642 INFO L225 Difference]: With dead ends: 71 [2020-09-21 11:24:38,642 INFO L226 Difference]: Without dead ends: 46 [2020-09-21 11:24:38,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:24:38,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-09-21 11:24:38,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2020-09-21 11:24:38,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-09-21 11:24:38,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2020-09-21 11:24:38,669 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 25 [2020-09-21 11:24:38,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:38,669 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2020-09-21 11:24:38,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:24:38,671 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-09-21 11:24:38,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-21 11:24:38,673 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:38,673 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:38,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:24:38,674 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:38,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:38,674 INFO L82 PathProgramCache]: Analyzing trace with hash 965527869, now seen corresponding path program 1 times [2020-09-21 11:24:38,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:38,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1000459027] [2020-09-21 11:24:38,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:38,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:38,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:38,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:38,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:38,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:24:38,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:38,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:24:38,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:38,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:24:38,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:24:38,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:24:38,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:38,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:38,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:38,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:38,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:38,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:38,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:38,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:38,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:38,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:38,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:38,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:38,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:38,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:38,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:38,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:38,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:38,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:24:38,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:38,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:24:38,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:24:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:24:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:24:38,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:38,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:24:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:38,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:38,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:38,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:38,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:38,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:38,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:38,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:38,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:24:38,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:38,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-21 11:24:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:38,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:38,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:38,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:38,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:38,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:38,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:38,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:38,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:24:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:38,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:38,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:24:38,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1000459027] [2020-09-21 11:24:38,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:38,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:24:38,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102157690] [2020-09-21 11:24:38,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:24:38,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:38,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:24:38,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:24:38,970 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 8 states. [2020-09-21 11:24:39,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:39,272 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2020-09-21 11:24:39,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:24:39,272 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2020-09-21 11:24:39,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:39,274 INFO L225 Difference]: With dead ends: 75 [2020-09-21 11:24:39,274 INFO L226 Difference]: Without dead ends: 50 [2020-09-21 11:24:39,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:24:39,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-09-21 11:24:39,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2020-09-21 11:24:39,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-09-21 11:24:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2020-09-21 11:24:39,285 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 34 [2020-09-21 11:24:39,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:39,285 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2020-09-21 11:24:39,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:24:39,285 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2020-09-21 11:24:39,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-21 11:24:39,288 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:39,288 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:24:39,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:24:39,289 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:39,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:39,289 INFO L82 PathProgramCache]: Analyzing trace with hash 2121866258, now seen corresponding path program 2 times [2020-09-21 11:24:39,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:39,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407840390] [2020-09-21 11:24:39,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:39,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:39,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:39,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:39,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:39,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:24:39,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:39,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:24:39,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:39,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:24:39,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:24:39,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:24:39,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:39,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:39,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:39,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:39,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:39,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:39,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:39,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:39,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:39,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:39,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:39,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:39,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:39,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:39,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:39,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:39,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:39,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:24:39,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:39,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:39,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:39,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:39,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:39,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:24:39,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:39,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:24:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:39,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:39,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:39,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:39,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:39,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:39,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:39,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:39,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:39,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:39,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:39,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:39,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:39,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:24:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:39,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:39,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:39,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:39,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:39,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:39,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:39,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:39,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:39,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:39,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:39,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:39,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:39,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:24:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:39,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:39,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:39,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:39,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:39,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:39,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:39,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:39,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:39,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:39,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:24:39,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:39,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:39,493 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-21 11:24:39,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407840390] [2020-09-21 11:24:39,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:39,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:24:39,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569443282] [2020-09-21 11:24:39,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:24:39,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:39,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:24:39,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:24:39,496 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand 6 states. [2020-09-21 11:24:39,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:39,701 INFO L93 Difference]: Finished difference Result 70 states and 79 transitions. [2020-09-21 11:24:39,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:24:39,702 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-09-21 11:24:39,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:39,704 INFO L225 Difference]: With dead ends: 70 [2020-09-21 11:24:39,704 INFO L226 Difference]: Without dead ends: 57 [2020-09-21 11:24:39,705 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:24:39,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-09-21 11:24:39,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 48. [2020-09-21 11:24:39,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-09-21 11:24:39,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2020-09-21 11:24:39,714 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 43 [2020-09-21 11:24:39,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:39,714 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2020-09-21 11:24:39,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:24:39,715 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2020-09-21 11:24:39,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:24:39,716 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:39,716 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:39,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:24:39,716 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:39,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:39,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1073302620, now seen corresponding path program 1 times [2020-09-21 11:24:39,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:39,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1129011387] [2020-09-21 11:24:39,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:39,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:39,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:39,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:39,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:39,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-21 11:24:39,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:39,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:24:39,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:24:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:24:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-21 11:24:39,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:39,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:39,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:39,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:39,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:39,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:39,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:39,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:39,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:39,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:39,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:39,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:39,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:39,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:39,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:39,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:39,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:24:39,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:39,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:39,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:39,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:39,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:39,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:24:39,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:39,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:24:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:39,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:39,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:39,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:39,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:39,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:39,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:39,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:39,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:39,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:39,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:39,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:39,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:39,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:24:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:39,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:39,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:39,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:39,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:39,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:39,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:39,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:39,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:39,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:39,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:39,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:39,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:39,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:24:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:39,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:39,955 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:39,955 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:39,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:39,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:39,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:39,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:24:39,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:39,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:39,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:24:39,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:24:39,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:39,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:24:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:39,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:39,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:39,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:39,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:39,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:39,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:39,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:39,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:39,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:39,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:24:39,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:39,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:39,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-21 11:24:39,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1129011387] [2020-09-21 11:24:39,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:39,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:24:39,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411317163] [2020-09-21 11:24:39,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:24:39,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:39,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:24:40,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:24:40,000 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand 9 states. [2020-09-21 11:24:40,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:40,333 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2020-09-21 11:24:40,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:24:40,333 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-09-21 11:24:40,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:40,335 INFO L225 Difference]: With dead ends: 82 [2020-09-21 11:24:40,335 INFO L226 Difference]: Without dead ends: 61 [2020-09-21 11:24:40,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:24:40,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-09-21 11:24:40,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 53. [2020-09-21 11:24:40,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-09-21 11:24:40,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2020-09-21 11:24:40,346 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 51 [2020-09-21 11:24:40,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:40,347 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2020-09-21 11:24:40,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:24:40,347 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2020-09-21 11:24:40,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:24:40,348 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:40,348 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:40,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:24:40,349 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:40,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:40,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1916727535, now seen corresponding path program 1 times [2020-09-21 11:24:40,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:40,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1484331506] [2020-09-21 11:24:40,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:40,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:40,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:40,388 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:40,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:40,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:24:40,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:40,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:24:40,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:40,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:40,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:24:40,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:24:40,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:40,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:40,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:40,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:40,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:40,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:40,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:40,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:40,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:40,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:40,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:40,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:40,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:40,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:40,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:40,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:40,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:40,480 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:40,480 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:40,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:24:40,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:40,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:40,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:40,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:40,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:40,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:24:40,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:40,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:24:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:40,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:40,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:40,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:40,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:40,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:40,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:40,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:40,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:40,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:40,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:40,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:40,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:40,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:24:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:40,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:40,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:40,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:40,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:40,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:40,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:40,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:40,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:40,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:40,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:40,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:40,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:40,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:24:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:40,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:40,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:40,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:40,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:40,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:40,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:40,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:40,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:24:40,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:40,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:24:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:40,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:40,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:40,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:40,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:40,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:40,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:40,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:40,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:40,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:40,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:24:40,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:40,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:40,553 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-21 11:24:40,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1484331506] [2020-09-21 11:24:40,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:40,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:24:40,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412594471] [2020-09-21 11:24:40,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:24:40,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:40,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:24:40,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:24:40,555 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 8 states. [2020-09-21 11:24:40,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:40,799 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2020-09-21 11:24:40,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:24:40,799 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-09-21 11:24:40,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:40,801 INFO L225 Difference]: With dead ends: 76 [2020-09-21 11:24:40,801 INFO L226 Difference]: Without dead ends: 63 [2020-09-21 11:24:40,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:24:40,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-09-21 11:24:40,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 55. [2020-09-21 11:24:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-09-21 11:24:40,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2020-09-21 11:24:40,822 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 52 [2020-09-21 11:24:40,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:40,822 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2020-09-21 11:24:40,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:24:40,822 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2020-09-21 11:24:40,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:24:40,827 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:40,827 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:40,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:24:40,829 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:40,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:40,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1237251129, now seen corresponding path program 2 times [2020-09-21 11:24:40,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:40,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112361911] [2020-09-21 11:24:40,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:40,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:40,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:40,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:40,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:40,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 11:24:40,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:40,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:24:40,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:40,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:24:40,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:24:40,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-21 11:24:40,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:40,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:40,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:40,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:40,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:40,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:40,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:40,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:40,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:40,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:40,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:40,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:40,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:40,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:40,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:41,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:41,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:41,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:41,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:41,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:24:41,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:41,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:41,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:24:41,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:41,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:24:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:41,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:41,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:41,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:41,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:41,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:41,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:41,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:41,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:41,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:41,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:41,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:41,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:41,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:24:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:41,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:41,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:41,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:41,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:41,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:41,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:41,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:41,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:41,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:41,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:24:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:41,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:41,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:41,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:41,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:41,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:41,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:41,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:41,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:41,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:41,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:41,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:24:41,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:41,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:24:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:41,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:41,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:41,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:41,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:41,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:41,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:41,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:41,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:24:41,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:41,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:24:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:41,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:41,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:41,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:41,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:41,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:41,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:41,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:24:41,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:41,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:41,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:24:41,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:24:41,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-21 11:24:41,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112361911] [2020-09-21 11:24:41,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:41,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:24:41,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333195211] [2020-09-21 11:24:41,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:24:41,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:41,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:24:41,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:24:41,138 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand 9 states. [2020-09-21 11:24:41,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:41,489 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2020-09-21 11:24:41,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:24:41,490 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2020-09-21 11:24:41,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:41,492 INFO L225 Difference]: With dead ends: 78 [2020-09-21 11:24:41,492 INFO L226 Difference]: Without dead ends: 66 [2020-09-21 11:24:41,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:24:41,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-09-21 11:24:41,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 61. [2020-09-21 11:24:41,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-09-21 11:24:41,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2020-09-21 11:24:41,513 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 60 [2020-09-21 11:24:41,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:41,514 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2020-09-21 11:24:41,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:24:41,514 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2020-09-21 11:24:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:24:41,515 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:41,516 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:41,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:24:41,516 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:41,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:41,516 INFO L82 PathProgramCache]: Analyzing trace with hash 2044789832, now seen corresponding path program 1 times [2020-09-21 11:24:41,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:41,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [82028083] [2020-09-21 11:24:41,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:42,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:42,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:42,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:42,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:42,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:24:42,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:42,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1068 [2020-09-21 11:24:42,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:42,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-21 11:24:42,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-21 11:24:42,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-21 11:24:42,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:43,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:43,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:43,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:43,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:43,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:43,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:43,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:43,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:43,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:43,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:43,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:43,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:43,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:43,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:43,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:43,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:43,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:43,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:24:43,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:43,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-21 11:24:43,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:43,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:24:43,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:43,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-21 11:24:43,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:43,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:24:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:43,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:43,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:43,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:43,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:43,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:43,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:43,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:24:43,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:24:43,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:43,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:24:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:43,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:43,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:43,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:43,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:43,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:43,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:43,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:24:43,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:43,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:24:43,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:24:43,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:24:43,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:43,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:24:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:43,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:43,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:43,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:43,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:43,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:43,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:43,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-21 11:24:43,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:43,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:24:43,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:24:43,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:24:43,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:44,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:24:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:44,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:44,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:44,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:44,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:44,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:44,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:44,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:24:44,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:44,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:24:44,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:24:44,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:24:44,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:44,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:24:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:44,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:44,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:44,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:44,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:44,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:44,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:44,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:24:44,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:44,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:24:44,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:44,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:24:44,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:44,428 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-21 11:24:44,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [82028083] [2020-09-21 11:24:44,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:44,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-09-21 11:24:44,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058509537] [2020-09-21 11:24:44,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-09-21 11:24:44,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:44,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-09-21 11:24:44,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=807, Unknown=0, NotChecked=0, Total=870 [2020-09-21 11:24:44,432 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand 30 states. [2020-09-21 11:24:47,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:47,161 INFO L93 Difference]: Finished difference Result 95 states and 118 transitions. [2020-09-21 11:24:47,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-21 11:24:47,161 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 61 [2020-09-21 11:24:47,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:47,163 INFO L225 Difference]: With dead ends: 95 [2020-09-21 11:24:47,163 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 11:24:47,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=202, Invalid=2248, Unknown=0, NotChecked=0, Total=2450 [2020-09-21 11:24:47,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 11:24:47,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 79. [2020-09-21 11:24:47,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-21 11:24:47,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 98 transitions. [2020-09-21 11:24:47,180 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 98 transitions. Word has length 61 [2020-09-21 11:24:47,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:47,180 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 98 transitions. [2020-09-21 11:24:47,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-09-21 11:24:47,180 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2020-09-21 11:24:47,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 11:24:47,182 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:47,182 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:47,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:24:47,183 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:47,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:47,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1308685849, now seen corresponding path program 2 times [2020-09-21 11:24:47,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:47,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [795191424] [2020-09-21 11:24:47,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:47,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:47,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:47,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:47,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:47,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:24:47,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:47,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:24:47,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:47,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:24:47,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:24:47,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-21 11:24:47,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:47,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:47,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:47,286 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:47,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:47,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:47,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:47,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:47,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:47,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:47,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:47,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:47,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:47,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:47,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:47,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:47,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:47,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:47,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:47,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:24:47,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:47,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:47,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:47,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:47,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:47,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:24:47,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:47,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:24:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:47,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:47,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:47,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:47,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:47,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:47,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:47,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:47,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:47,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:47,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:24:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:47,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:47,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:47,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:47,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:47,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:47,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:47,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:47,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:47,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:47,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:47,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:47,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:47,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:24:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:47,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:47,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:47,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:47,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:47,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:47,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:47,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:47,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:47,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:47,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:47,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:24:47,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:47,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:24:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:47,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:47,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:47,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:47,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:47,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:47,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:47,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:47,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:47,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:47,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:47,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:24:47,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:47,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:24:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:47,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:47,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:47,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:47,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:47,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:24:47,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:47,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:24:47,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:47,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:24:47,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:24:47,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:24:47,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:47,449 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-21 11:24:47,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [795191424] [2020-09-21 11:24:47,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:47,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 11:24:47,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940772825] [2020-09-21 11:24:47,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:24:47,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:47,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:24:47,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:24:47,451 INFO L87 Difference]: Start difference. First operand 79 states and 98 transitions. Second operand 10 states. [2020-09-21 11:24:47,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:47,832 INFO L93 Difference]: Finished difference Result 99 states and 121 transitions. [2020-09-21 11:24:47,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:24:47,833 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2020-09-21 11:24:47,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:47,835 INFO L225 Difference]: With dead ends: 99 [2020-09-21 11:24:47,836 INFO L226 Difference]: Without dead ends: 75 [2020-09-21 11:24:47,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:24:47,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-09-21 11:24:47,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-09-21 11:24:47,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-09-21 11:24:47,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 90 transitions. [2020-09-21 11:24:47,850 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 90 transitions. Word has length 62 [2020-09-21 11:24:47,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:47,851 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 90 transitions. [2020-09-21 11:24:47,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:24:47,851 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 90 transitions. [2020-09-21 11:24:47,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 11:24:47,852 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:47,852 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:47,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:24:47,853 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:47,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:47,853 INFO L82 PathProgramCache]: Analyzing trace with hash 274449135, now seen corresponding path program 3 times [2020-09-21 11:24:47,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:47,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328903315] [2020-09-21 11:24:47,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:47,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:47,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:47,904 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:47,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:47,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:24:47,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:47,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:24:47,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:24:47,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:24:47,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:24:47,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:47,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:47,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:47,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:47,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:47,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:47,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:47,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:47,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:47,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:47,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:47,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:47,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:47,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:48,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:24:48,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:48,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:48,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:48,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:24:48,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:48,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:24:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:48,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:48,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:48,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:48,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:24:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:48,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:48,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:48,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:48,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:48,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:48,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:24:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:48,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:48,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:24:48,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:48,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:24:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:48,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:24:48,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:48,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:24:48,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:24:48,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:48,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 11:24:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:48,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:48,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:48,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-21 11:24:48,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:48,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:48,137 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-21 11:24:48,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1328903315] [2020-09-21 11:24:48,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:48,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 11:24:48,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698234485] [2020-09-21 11:24:48,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:24:48,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:48,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:24:48,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:24:48,140 INFO L87 Difference]: Start difference. First operand 75 states and 90 transitions. Second operand 10 states. [2020-09-21 11:24:48,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:48,511 INFO L93 Difference]: Finished difference Result 115 states and 136 transitions. [2020-09-21 11:24:48,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:24:48,512 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2020-09-21 11:24:48,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:48,515 INFO L225 Difference]: With dead ends: 115 [2020-09-21 11:24:48,516 INFO L226 Difference]: Without dead ends: 80 [2020-09-21 11:24:48,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:24:48,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-09-21 11:24:48,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 75. [2020-09-21 11:24:48,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-09-21 11:24:48,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 86 transitions. [2020-09-21 11:24:48,533 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 86 transitions. Word has length 62 [2020-09-21 11:24:48,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:48,533 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 86 transitions. [2020-09-21 11:24:48,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:24:48,534 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2020-09-21 11:24:48,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 11:24:48,535 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:48,535 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:48,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:24:48,535 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:48,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:48,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1539067163, now seen corresponding path program 4 times [2020-09-21 11:24:48,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:48,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1160203926] [2020-09-21 11:24:48,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:24:48,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:24:48,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:24:48,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:24:48,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:24:48,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:48,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:48,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:48,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:48,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:48,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:48,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:48,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:24:48,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:48,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:24:48,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:48,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:24:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:48,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:48,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:48,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:48,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:48,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:48,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:24:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:48,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:48,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:48,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:48,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:24:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:24:48,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:24:48,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:24:48,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:24:48,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:24:48,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:48,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:24:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:48,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:48,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:48,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:24:48,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:48,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:48,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 11:24:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:48,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:48,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:48,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-21 11:24:48,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:48,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:48,798 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-21 11:24:48,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1160203926] [2020-09-21 11:24:48,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:48,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 11:24:48,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824604965] [2020-09-21 11:24:48,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:24:48,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:48,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:24:48,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:24:48,801 INFO L87 Difference]: Start difference. First operand 75 states and 86 transitions. Second operand 10 states. [2020-09-21 11:24:49,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:49,177 INFO L93 Difference]: Finished difference Result 104 states and 116 transitions. [2020-09-21 11:24:49,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:24:49,178 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2020-09-21 11:24:49,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:49,179 INFO L225 Difference]: With dead ends: 104 [2020-09-21 11:24:49,179 INFO L226 Difference]: Without dead ends: 63 [2020-09-21 11:24:49,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:24:49,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-09-21 11:24:49,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-09-21 11:24:49,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-09-21 11:24:49,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2020-09-21 11:24:49,195 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 62 [2020-09-21 11:24:49,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:49,195 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2020-09-21 11:24:49,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:24:49,196 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2020-09-21 11:24:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-21 11:24:49,196 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:49,197 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:24:49,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:24:49,197 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:49,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:49,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1890427347, now seen corresponding path program 1 times [2020-09-21 11:24:49,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:49,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [114568260] [2020-09-21 11:24:49,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:49,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:24:49,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -31 [2020-09-21 11:24:49,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 31 [2020-09-21 11:24:49,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:49,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 11:24:49,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:49,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 11:24:49,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:49,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:24:49,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:24:49,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:24:49,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:49,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:49,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:49,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:49,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:49,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:49,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:49,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:49,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:49,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:49,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:49,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:49,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:49,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:49,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:49,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:49,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:49,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:49,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:49,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:24:49,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:49,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:49,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:49,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:49,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:49,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:49,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:49,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:24:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:49,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:49,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:49,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:49,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:49,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:49,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:49,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:49,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:49,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:49,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:24:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:49,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:49,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:49,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:49,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:49,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:49,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:49,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:49,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:49,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:49,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:49,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:49,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:49,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:24:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:49,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:49,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:49,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:49,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:49,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:49,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:49,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:49,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:49,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:49,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:49,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:24:49,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:49,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:24:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:49,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:49,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:49,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:49,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:49,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:49,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:49,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:24:49,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:49,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:24:49,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:49,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:24:49,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:49,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:24:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:49,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:49,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:49,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:49,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:49,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:49,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:49,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:49,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:24:49,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:49,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-21 11:24:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:49,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:49,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:49,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:49,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:49,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:49,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:49,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:24:49,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:49,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:24:49,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:49,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:24:49,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:49,742 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-21 11:24:49,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [114568260] [2020-09-21 11:24:49,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:49,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-21 11:24:49,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492437037] [2020-09-21 11:24:49,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-21 11:24:49,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:49,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-21 11:24:49,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:24:49,744 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand 17 states. [2020-09-21 11:24:50,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:50,818 INFO L93 Difference]: Finished difference Result 100 states and 116 transitions. [2020-09-21 11:24:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-21 11:24:50,819 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 71 [2020-09-21 11:24:50,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:50,821 INFO L225 Difference]: With dead ends: 100 [2020-09-21 11:24:50,821 INFO L226 Difference]: Without dead ends: 98 [2020-09-21 11:24:50,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2020-09-21 11:24:50,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-09-21 11:24:50,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 74. [2020-09-21 11:24:50,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-09-21 11:24:50,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 85 transitions. [2020-09-21 11:24:50,838 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 85 transitions. Word has length 71 [2020-09-21 11:24:50,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:50,839 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 85 transitions. [2020-09-21 11:24:50,839 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-21 11:24:50,839 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2020-09-21 11:24:50,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-09-21 11:24:50,843 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:50,843 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:24:50,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 11:24:50,844 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:50,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:50,844 INFO L82 PathProgramCache]: Analyzing trace with hash 818416110, now seen corresponding path program 2 times [2020-09-21 11:24:50,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:50,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934334207] [2020-09-21 11:24:50,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:50,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:50,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:50,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:50,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:50,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-21 11:24:50,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:50,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:24:50,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:50,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:24:50,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:24:50,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 11:24:50,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:50,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:50,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:50,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:50,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:50,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:50,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:50,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:50,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:50,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:50,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:50,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:50,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:50,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:50,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:50,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:24:51,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:51,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:51,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:51,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:24:51,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:24:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:51,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:24:51,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:51,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:24:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:51,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:51,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:51,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:51,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:51,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:24:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:51,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:51,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:51,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:51,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:24:51,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:24:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:51,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:51,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:51,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:51,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:24:51,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:24:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:51,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:51,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:51,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:51,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:24:51,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-21 11:24:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:51,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:24:51,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:51,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:24:51,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:24:51,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,129 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-21 11:24:51,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934334207] [2020-09-21 11:24:51,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:51,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 11:24:51,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099635252] [2020-09-21 11:24:51,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:24:51,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:51,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:24:51,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:24:51,133 INFO L87 Difference]: Start difference. First operand 74 states and 85 transitions. Second operand 10 states. [2020-09-21 11:24:51,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:51,518 INFO L93 Difference]: Finished difference Result 93 states and 105 transitions. [2020-09-21 11:24:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:24:51,518 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 72 [2020-09-21 11:24:51,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:51,520 INFO L225 Difference]: With dead ends: 93 [2020-09-21 11:24:51,520 INFO L226 Difference]: Without dead ends: 77 [2020-09-21 11:24:51,521 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:24:51,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-09-21 11:24:51,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2020-09-21 11:24:51,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-09-21 11:24:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2020-09-21 11:24:51,531 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 72 [2020-09-21 11:24:51,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:51,532 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2020-09-21 11:24:51,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:24:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2020-09-21 11:24:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-09-21 11:24:51,533 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:51,533 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:51,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 11:24:51,534 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:51,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:51,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1131984457, now seen corresponding path program 3 times [2020-09-21 11:24:51,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:51,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [569021940] [2020-09-21 11:24:51,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-09-21 11:24:51,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:24:51,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:24:51,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:24:51,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-21 11:24:51,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:51,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:51,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:51,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:51,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:51,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:24:51,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:51,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:24:51,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:24:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:51,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:51,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:51,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:51,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:51,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:24:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,744 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:51,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:51,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:51,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:24:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:51,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:51,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:51,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:51,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:24:51,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:24:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,780 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:51,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:51,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:24:51,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:24:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:51,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:51,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:51,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:24:51,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:51,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 11:24:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:51,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:51,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:51,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-21 11:24:51,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:51,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 11:24:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:51,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:51,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:51,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:24:51,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:51,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-09-21 11:24:51,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [569021940] [2020-09-21 11:24:51,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:51,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:24:51,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364337768] [2020-09-21 11:24:51,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:24:51,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:51,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:24:51,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:24:51,819 INFO L87 Difference]: Start difference. First operand 74 states and 83 transitions. Second operand 9 states. [2020-09-21 11:24:52,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:52,083 INFO L93 Difference]: Finished difference Result 96 states and 103 transitions. [2020-09-21 11:24:52,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:24:52,084 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-09-21 11:24:52,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:52,084 INFO L225 Difference]: With dead ends: 96 [2020-09-21 11:24:52,084 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:24:52,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:24:52,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:24:52,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:24:52,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:24:52,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:24:52,087 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2020-09-21 11:24:52,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:52,088 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:24:52,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:24:52,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:24:52,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:24:52,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-21 11:24:52,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:24:52,225 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 54 [2020-09-21 11:24:52,687 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-09-21 11:24:52,884 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-09-21 11:24:53,205 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2020-09-21 11:24:53,338 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2020-09-21 11:24:53,531 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-09-21 11:24:53,537 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:24:53,537 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|)) [2020-09-21 11:24:53,537 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:24:53,538 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-09-21 11:24:53,538 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-09-21 11:24:53,538 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-09-21 11:24:53,538 INFO L268 CegarLoopResult]: For program point sll_destroyEXIT(lines 581 587) no Hoare annotation was computed. [2020-09-21 11:24:53,538 INFO L271 CegarLoopResult]: At program point L582-2(lines 582 586) the Hoare annotation is: true [2020-09-21 11:24:53,538 INFO L264 CegarLoopResult]: At program point sll_destroyENTRY(lines 581 587) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-21 11:24:53,538 INFO L268 CegarLoopResult]: For program point L582-3(lines 581 587) no Hoare annotation was computed. [2020-09-21 11:24:53,538 INFO L268 CegarLoopResult]: For program point sll_update_atFINAL(lines 595 601) no Hoare annotation was computed. [2020-09-21 11:24:53,539 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (let ((.cse2 (= sll_update_at_~data |sll_update_at_#in~data|)) (.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse1 (= |#memory_int| |old(#memory_int)|)) (.cse6 (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|)) (.cse3 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (or (and .cse0 (= |sll_update_at_#in~head.base| sll_update_at_~head.base) .cse1 (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |sll_update_at_#in~index| sll_update_at_~index) .cse2 .cse3) (let ((.cse4 (+ |sll_update_at_#in~head.offset| 4))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) .cse4))) (and .cse0 (or (and (= (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) .cse4) sll_update_at_~head.offset) .cse2) (= .cse5 |sll_update_at_#in~head.base|)) .cse1 (<= 1 |sll_update_at_#in~index|) .cse6 .cse3 (= .cse5 sll_update_at_~head.base)))) (and .cse0 .cse1 .cse6 .cse3 (<= 2 |sll_update_at_#in~index|)))) [2020-09-21 11:24:53,539 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-09-21 11:24:53,539 INFO L268 CegarLoopResult]: For program point sll_update_atEXIT(lines 595 601) no Hoare annotation was computed. [2020-09-21 11:24:53,540 INFO L264 CegarLoopResult]: At program point sll_update_atENTRY(lines 595 601) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-09-21 11:24:53,540 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-09-21 11:24:53,540 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-09-21 11:24:53,540 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-09-21 11:24:53,541 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (= (select |#valid| sll_create_~head~0.base) 1) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-09-21 11:24:53,541 INFO L268 CegarLoopResult]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2020-09-21 11:24:53,541 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-09-21 11:24:53,541 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2020-09-21 11:24:53,541 INFO L264 CegarLoopResult]: At program point L574-3(lines 574 578) the Hoare annotation is: (let ((.cse0 (= (select |#valid| sll_create_~head~0.base) 1))) (or (and (= |sll_create_#in~len| (+ sll_create_~len 1)) .cse0) (and .cse0 (= sll_create_~head~0.offset 0) (not (= sll_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4))))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)))) [2020-09-21 11:24:53,541 INFO L268 CegarLoopResult]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2020-09-21 11:24:53,542 INFO L264 CegarLoopResult]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-21 11:24:53,542 INFO L268 CegarLoopResult]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2020-09-21 11:24:53,542 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-09-21 11:24:53,542 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-09-21 11:24:53,542 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-09-21 11:24:53,542 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:24:53,542 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-21 11:24:53,542 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:24:53,543 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:24:53,543 INFO L271 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 588 594) the Hoare annotation is: true [2020-09-21 11:24:53,543 INFO L268 CegarLoopResult]: For program point sll_get_data_atFINAL(lines 588 594) no Hoare annotation was computed. [2020-09-21 11:24:53,543 INFO L264 CegarLoopResult]: At program point L589-2(lines 589 592) the Hoare annotation is: (let ((.cse0 (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|))) (or (and .cse0 (<= 2 |sll_get_data_at_#in~index|)) (and (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|)) (let ((.cse1 (+ |sll_get_data_at_#in~head.offset| 4))) (and (= (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) .cse1) sll_get_data_at_~head.offset) .cse0 (<= 1 |sll_get_data_at_#in~index|) (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) .cse1)))))) [2020-09-21 11:24:53,543 INFO L268 CegarLoopResult]: For program point L589-3(lines 589 592) no Hoare annotation was computed. [2020-09-21 11:24:53,543 INFO L268 CegarLoopResult]: For program point sll_get_data_atEXIT(lines 588 594) no Hoare annotation was computed. [2020-09-21 11:24:53,543 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse4 (+ main_~s~0.offset 4))) (let ((.cse3 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse4))) (let ((.cse0 (not (= .cse3 main_~s~0.base))) (.cse2 (* 2 main_~len~0)) (.cse5 (= main_~s~0.offset 0))) (or (let ((.cse1 (+ main_~new_data~0 2))) (and (= main_~len~0 2) .cse0 (<= (+ main_~i~0 2) main_~len~0) (<= .cse1 .cse2) (<= 0 main_~i~0) (= (* main_~len~0 2) (+ (select (select |#memory_int| .cse3) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse4)) 1)) (<= .cse2 .cse1) .cse5)) (let ((.cse6 (+ main_~new_data~0 1))) (and .cse0 (<= 2 main_~len~0) (<= .cse6 .cse2) (<= main_~len~0 (+ main_~i~0 1)) (<= .cse2 .cse6) .cse5 (<= main_~i~0 1))))))) [2020-09-21 11:24:53,543 INFO L268 CegarLoopResult]: For program point L611-2(lines 611 616) no Hoare annotation was computed. [2020-09-21 11:24:53,544 INFO L268 CegarLoopResult]: For program point L609-1(lines 607 610) no Hoare annotation was computed. [2020-09-21 11:24:53,544 INFO L264 CegarLoopResult]: At program point L611-3(lines 611 616) the Hoare annotation is: (let ((.cse10 (+ main_~new_data~0 2)) (.cse9 (* 2 main_~len~0))) (let ((.cse1 (<= main_~len~0 2)) (.cse0 (<= 2 main_~len~0)) (.cse5 (+ main_~i~0 1)) (.cse2 (<= .cse10 .cse9)) (.cse3 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse4 (<= .cse9 .cse10))) (or (and .cse0 .cse1 (<= (+ main_~i~0 2) main_~len~0) .cse2 (= (+ main_~i~0 main_~len~0) .cse3) .cse4) (and .cse0 .cse1 (<= .cse5 0)) (let ((.cse8 (+ main_~s~0.offset 4))) (let ((.cse6 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse8)) (.cse7 (* main_~len~0 2))) (and .cse0 (not (= .cse6 main_~s~0.base)) (<= main_~len~0 .cse5) .cse2 (= .cse7 (+ (select (select |#memory_int| .cse6) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse8)) 1)) (= .cse7 (+ .cse3 2)) .cse4 (= main_~s~0.offset 0) (<= main_~i~0 1))))))) [2020-09-21 11:24:53,544 INFO L271 CegarLoopResult]: At program point L611-4(lines 611 616) the Hoare annotation is: true [2020-09-21 11:24:53,544 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (<= 2 main_~len~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-21 11:24:53,544 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse10 (+ main_~s~0.offset 4))) (let ((.cse5 (* main_~len~0 2)) (.cse9 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse10))) (let ((.cse3 (+ main_~i~0 1)) (.cse0 (not (= .cse9 main_~s~0.base))) (.cse4 (= .cse5 (+ (select (select |#memory_int| .cse9) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse10)) 1))) (.cse2 (* 2 main_~len~0)) (.cse6 (= main_~s~0.offset 0)) (.cse7 (<= main_~i~0 1))) (or (let ((.cse1 (+ main_~new_data~0 2))) (and .cse0 (<= main_~len~0 2) (<= 2 main_~len~0) (<= .cse1 .cse2) (<= .cse3 0) .cse4 (= .cse5 (+ (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2)) (<= .cse2 .cse1) .cse6)) (and .cse0 (<= .cse3 main_~len~0) (<= 1 main_~i~0) (<= main_~len~0 .cse3) .cse6 .cse7) (let ((.cse8 (+ main_~new_data~0 1))) (and (= main_~len~0 2) .cse0 (<= .cse8 .cse2) (<= 0 main_~i~0) .cse4 (<= .cse2 .cse8) .cse6 .cse7)))))) [2020-09-21 11:24:53,544 INFO L268 CegarLoopResult]: For program point L605-1(line 605) no Hoare annotation was computed. [2020-09-21 11:24:53,544 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-09-21 11:24:53,544 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 602 621) no Hoare annotation was computed. [2020-09-21 11:24:53,545 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 602 621) no Hoare annotation was computed. [2020-09-21 11:24:53,545 INFO L264 CegarLoopResult]: At program point L614(lines 602 621) the Hoare annotation is: false [2020-09-21 11:24:53,545 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2020-09-21 11:24:53,545 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 602 621) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-21 11:24:53,545 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-09-21 11:24:53,545 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse10 (+ main_~new_data~0 2)) (.cse9 (* 2 main_~len~0))) (let ((.cse0 (= main_~len~0 2)) (.cse2 (<= .cse10 .cse9)) (.cse3 (<= 0 main_~i~0)) (.cse1 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse4 (<= .cse9 .cse10))) (or (and .cse0 (= .cse1 main_~expected~0) (<= (+ main_~i~0 2) main_~len~0) .cse2 .cse3 (= (+ main_~i~0 main_~len~0) .cse1) .cse4) (let ((.cse8 (+ main_~s~0.offset 4))) (let ((.cse5 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse8))) (let ((.cse6 (select (select |#memory_int| .cse5) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse8))) (.cse7 (* main_~len~0 2))) (and .cse0 (not (= .cse5 main_~s~0.base)) (= .cse6 main_~expected~0) (<= main_~len~0 (+ main_~i~0 1)) .cse2 .cse3 (= .cse7 (+ .cse6 1)) (= .cse7 (+ .cse1 2)) .cse4 (= main_~s~0.offset 0) (<= main_~i~0 1)))))))) [2020-09-21 11:24:53,546 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-09-21 11:24:53,546 INFO L268 CegarLoopResult]: For program point L613-2(lines 613 615) no Hoare annotation was computed. [2020-09-21 11:24:53,546 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-21 11:24:53,546 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-09-21 11:24:53,546 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-09-21 11:24:53,546 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-09-21 11:24:53,546 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-09-21 11:24:53,546 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-09-21 11:24:53,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,576 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,579 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,579 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,579 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,582 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,603 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,603 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,603 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,620 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,620 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-21 11:24:53,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-21 11:24:53,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,626 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,626 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,626 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,626 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,626 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,629 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,629 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,629 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,629 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-21 11:24:53,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-21 11:24:53,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:24:53 BoogieIcfgContainer [2020-09-21 11:24:53,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:24:53,637 INFO L168 Benchmark]: Toolchain (without parser) took 17983.97 ms. Allocated memory was 144.7 MB in the beginning and 416.8 MB in the end (delta: 272.1 MB). Free memory was 102.5 MB in the beginning and 369.7 MB in the end (delta: -267.1 MB). Peak memory consumption was 253.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:24:53,638 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:24:53,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.81 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 101.9 MB in the beginning and 169.1 MB in the end (delta: -67.2 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:24:53,643 INFO L168 Benchmark]: Boogie Preprocessor took 74.92 ms. Allocated memory is still 203.9 MB. Free memory was 169.1 MB in the beginning and 166.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:24:53,646 INFO L168 Benchmark]: RCFGBuilder took 717.39 ms. Allocated memory is still 203.9 MB. Free memory was 166.5 MB in the beginning and 118.9 MB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:24:53,648 INFO L168 Benchmark]: TraceAbstraction took 16420.55 ms. Allocated memory was 203.9 MB in the beginning and 416.8 MB in the end (delta: 212.9 MB). Free memory was 118.2 MB in the beginning and 369.7 MB in the end (delta: -251.5 MB). Peak memory consumption was 209.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:24:53,653 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 761.81 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 101.9 MB in the beginning and 169.1 MB in the end (delta: -67.2 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 74.92 ms. Allocated memory is still 203.9 MB. Free memory was 169.1 MB in the beginning and 166.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 717.39 ms. Allocated memory is still 203.9 MB. Free memory was 166.5 MB in the beginning and 118.9 MB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16420.55 ms. Allocated memory was 203.9 MB in the beginning and 416.8 MB in the end (delta: 212.9 MB). Free memory was 118.2 MB in the beginning and 369.7 MB in the end (delta: -251.5 MB). Peak memory consumption was 209.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 619]: 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: 589]: Loop Invariant [2020-09-21 11:24:53,686 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,686 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,687 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,688 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((index + 1 <= \old(index) && 2 <= \old(index)) || ((\old(index) == index && head == head) && head == head)) || (((#memory_$Pointer$[head][head + 4] == head && index + 1 <= \old(index)) && 1 <= \old(index)) && head == #memory_$Pointer$[head][head + 4]) - InvariantResult [Line: 611]: Loop Invariant [2020-09-21 11:24:53,692 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,692 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,692 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((2 <= len && len <= 2) && i + 2 <= len) && new_data + 2 <= 2 * len) && i + len == unknown-#memory_int-unknown[s][s]) && 2 * len <= new_data + 2) || ((2 <= len && len <= 2) && i + 1 <= 0)) || ((((((((2 <= len && !(#memory_$Pointer$[s][s + 4] == s)) && len <= i + 1) && new_data + 2 <= 2 * len) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && 2 * len <= new_data + 2) && s == 0) && i <= 1) - InvariantResult [Line: 596]: Loop Invariant [2020-09-21 11:24:53,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,701 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,710 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,710 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,710 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,710 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,710 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,711 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && head == head) && \old(index) == index) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && ((#memory_$Pointer$[head][head + 4] == head && data == \old(data)) || #memory_$Pointer$[head][head + 4] == head)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && 1 <= \old(index)) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$[head][head + 4] == head)) || ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && 2 <= \old(index)) - InvariantResult [Line: 607]: Loop Invariant [2020-09-21 11:24:53,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,729 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,729 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,729 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,733 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,733 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,734 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,738 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,738 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,739 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,739 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((!(#memory_$Pointer$[s][s + 4] == s) && len <= 2) && 2 <= len) && new_data + 2 <= 2 * len) && i + 1 <= 0) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && 2 * len <= new_data + 2) && s == 0) || (((((!(#memory_$Pointer$[s][s + 4] == s) && i + 1 <= len) && 1 <= i) && len <= i + 1) && s == 0) && i <= 1)) || (((((((len == 2 && !(#memory_$Pointer$[s][s + 4] == s)) && new_data + 1 <= 2 * len) && 0 <= i) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && 2 * len <= new_data + 1) && s == 0) && i <= 1) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant [2020-09-21 11:24:53,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-21 11:24:53,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-21 11:24:53,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,745 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,746 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,746 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 11:24:53,746 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,746 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 11:24:53,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,747 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,747 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-21 11:24:53,747 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-21 11:24:53,747 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,747 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:24:53,747 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 11:24:53,748 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((\old(len) == len + 1 && \valid[head] == 1) || ((\valid[head] == 1 && head == 0) && !(head == #memory_$Pointer$[head][head + 4]))) || (((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && \old(len) == len) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.7s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 526 SDtfs, 844 SDslu, 1901 SDs, 0 SdLazy, 4034 SolverSat, 506 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 379 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 109 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 80 PreInvPairs, 123 NumberOfFragments, 840 HoareAnnotationTreeSize, 80 FomulaSimplifications, 3911 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 24 FomulaSimplificationsInter, 577 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 745 ConstructedInterpolants, 0 QuantifiedInterpolants, 178519 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 243/287 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...