/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 10:39:19,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 10:39:19,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 10:39:19,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 10:39:19,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 10:39:19,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 10:39:19,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 10:39:19,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 10:39:19,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 10:39:19,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 10:39:19,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 10:39:19,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 10:39:19,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 10:39:19,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 10:39:19,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 10:39:19,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 10:39:19,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 10:39:19,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 10:39:19,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 10:39:19,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 10:39:19,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 10:39:19,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 10:39:19,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 10:39:19,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 10:39:19,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 10:39:19,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 10:39:19,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 10:39:19,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 10:39:19,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 10:39:19,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 10:39:19,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 10:39:19,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 10:39:19,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 10:39:19,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 10:39:19,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 10:39:19,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 10:39:19,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 10:39:19,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 10:39:19,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 10:39:19,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 10:39:19,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 10:39:19,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 10:39:19,799 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 10:39:19,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 10:39:19,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 10:39:19,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 10:39:19,802 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 10:39:19,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 10:39:19,803 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 10:39:19,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 10:39:19,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 10:39:19,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 10:39:19,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 10:39:19,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 10:39:19,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 10:39:19,805 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 10:39:19,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 10:39:19,806 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 10:39:19,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 10:39:19,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 10:39:19,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 10:39:19,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 10:39:19,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 10:39:19,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:39:19,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 10:39:19,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 10:39:19,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 10:39:19,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 10:39:19,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 10:39:19,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 10:39:19,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 10:39:19,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 10:39:20,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 10:39:20,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 10:39:20,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 10:39:20,127 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 10:39:20,127 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 10:39:20,128 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i [2020-10-13 10:39:20,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f094e6db4/36c82dceb0c04b65a50ebbb3a71d5669/FLAG3ad1cc07f [2020-10-13 10:39:20,782 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 10:39:20,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2n_update_all.i [2020-10-13 10:39:20,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f094e6db4/36c82dceb0c04b65a50ebbb3a71d5669/FLAG3ad1cc07f [2020-10-13 10:39:21,197 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f094e6db4/36c82dceb0c04b65a50ebbb3a71d5669 [2020-10-13 10:39:21,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 10:39:21,210 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 10:39:21,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 10:39:21,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 10:39:21,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 10:39:21,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:39:21" (1/1) ... [2020-10-13 10:39:21,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cafb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:39:21, skipping insertion in model container [2020-10-13 10:39:21,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:39:21" (1/1) ... [2020-10-13 10:39:21,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 10:39:21,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 10:39:21,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:39:21,746 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 10:39:21,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:39:21,847 INFO L208 MainTranslator]: Completed translation [2020-10-13 10:39:21,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:39:21 WrapperNode [2020-10-13 10:39:21,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 10:39:21,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 10:39:21,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 10:39:21,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 10:39:21,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:39:21" (1/1) ... [2020-10-13 10:39:21,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:39:21" (1/1) ... [2020-10-13 10:39:21,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:39:21" (1/1) ... [2020-10-13 10:39:21,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:39:21" (1/1) ... [2020-10-13 10:39:21,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:39:21" (1/1) ... [2020-10-13 10:39:21,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:39:21" (1/1) ... [2020-10-13 10:39:21,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:39:21" (1/1) ... [2020-10-13 10:39:21,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 10:39:21,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 10:39:21,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 10:39:21,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 10:39:21,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:39:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:39:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 10:39:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 10:39:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-13 10:39:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-13 10:39:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-13 10:39:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-13 10:39:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2020-10-13 10:39:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2020-10-13 10:39:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2020-10-13 10:39:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2020-10-13 10:39:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 10:39:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 10:39:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-13 10:39:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-13 10:39:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-13 10:39:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-13 10:39:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-13 10:39:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-13 10:39:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-13 10:39:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-13 10:39:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-13 10:39:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-13 10:39:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-13 10:39:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-13 10:39:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-13 10:39:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-13 10:39:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-13 10:39:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-13 10:39:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-13 10:39:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-13 10:39:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-13 10:39:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-13 10:39:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-13 10:39:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-13 10:39:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-13 10:39:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-13 10:39:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-13 10:39:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-13 10:39:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-13 10:39:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-13 10:39:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-13 10:39:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-13 10:39:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-13 10:39:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-13 10:39:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-13 10:39:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-13 10:39:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-13 10:39:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-13 10:39:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-13 10:39:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-13 10:39:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-13 10:39:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-13 10:39:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-13 10:39:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-13 10:39:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-13 10:39:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-13 10:39:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-13 10:39:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-13 10:39:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-13 10:39:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-13 10:39:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-13 10:39:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-13 10:39:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-13 10:39:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-13 10:39:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 10:39:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 10:39:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-13 10:39:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 10:39:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-13 10:39:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-13 10:39:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-13 10:39:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-13 10:39:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-13 10:39:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 10:39:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-13 10:39:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-13 10:39:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-13 10:39:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 10:39:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-13 10:39:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-13 10:39:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-13 10:39:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-13 10:39:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-13 10:39:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-13 10:39:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-13 10:39:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-13 10:39:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-13 10:39:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-13 10:39:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-13 10:39:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-13 10:39:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-13 10:39:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-13 10:39:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-13 10:39:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-13 10:39:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-13 10:39:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-13 10:39:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-13 10:39:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-13 10:39:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-13 10:39:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-13 10:39:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-13 10:39:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-13 10:39:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-13 10:39:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-13 10:39:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-13 10:39:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-13 10:39:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-13 10:39:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-13 10:39:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-13 10:39:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-13 10:39:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-13 10:39:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-13 10:39:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-13 10:39:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-13 10:39:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-13 10:39:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-13 10:39:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-13 10:39:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-13 10:39:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-13 10:39:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 10:39:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 10:39:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 10:39:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2020-10-13 10:39:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2020-10-13 10:39:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 10:39:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 10:39:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2020-10-13 10:39:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 10:39:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2020-10-13 10:39:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 10:39:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 10:39:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 10:39:22,426 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-13 10:39:22,586 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 10:39:22,586 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-13 10:39:22,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:39:22 BoogieIcfgContainer [2020-10-13 10:39:22,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 10:39:22,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 10:39:22,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 10:39:22,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 10:39:22,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:39:21" (1/3) ... [2020-10-13 10:39:22,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a8b94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:39:22, skipping insertion in model container [2020-10-13 10:39:22,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:39:21" (2/3) ... [2020-10-13 10:39:22,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a8b94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:39:22, skipping insertion in model container [2020-10-13 10:39:22,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:39:22" (3/3) ... [2020-10-13 10:39:22,605 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_update_all.i [2020-10-13 10:39:22,614 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 10:39:22,622 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 10:39:22,636 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 10:39:22,661 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 10:39:22,662 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 10:39:22,662 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 10:39:22,662 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 10:39:22,662 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 10:39:22,662 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 10:39:22,663 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 10:39:22,663 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 10:39:22,682 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2020-10-13 10:39:22,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-13 10:39:22,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:39:22,691 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] [2020-10-13 10:39:22,692 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:39:22,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:39:22,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1303429635, now seen corresponding path program 1 times [2020-10-13 10:39:22,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:39:22,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [778695868] [2020-10-13 10:39:22,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:39:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:22,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:22,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:22,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:23,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:23,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:23,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:23,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 10:39:23,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 10:39:23,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 774 [2020-10-13 10:39:23,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:23,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:23,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 10:39:23,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:23,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 10:39:23,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:39:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:23,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:23,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:23,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:39:23,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:23,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:39:23,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:23,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:23,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:23,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:23,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:23,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:39:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:23,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:23,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:23,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:23,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:23,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:39:23,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:23,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:23,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:23,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:23,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:23,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 10:39:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:23,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:23,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:23,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:23,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:23,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:39:23,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 10:39:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:23,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:23,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:39:23,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [778695868] [2020-10-13 10:39:23,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:39:23,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 10:39:23,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365823303] [2020-10-13 10:39:23,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 10:39:23,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:39:23,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 10:39:23,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 10:39:23,752 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 4 states. [2020-10-13 10:39:24,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:39:24,037 INFO L93 Difference]: Finished difference Result 123 states and 178 transitions. [2020-10-13 10:39:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 10:39:24,039 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-10-13 10:39:24,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:39:24,052 INFO L225 Difference]: With dead ends: 123 [2020-10-13 10:39:24,052 INFO L226 Difference]: Without dead ends: 64 [2020-10-13 10:39:24,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 10:39:24,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-13 10:39:24,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 38. [2020-10-13 10:39:24,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-13 10:39:24,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2020-10-13 10:39:24,111 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 25 [2020-10-13 10:39:24,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:39:24,112 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2020-10-13 10:39:24,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 10:39:24,112 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2020-10-13 10:39:24,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-13 10:39:24,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:39:24,114 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] [2020-10-13 10:39:24,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 10:39:24,114 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:39:24,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:39:24,115 INFO L82 PathProgramCache]: Analyzing trace with hash 2048382207, now seen corresponding path program 1 times [2020-10-13 10:39:24,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:39:24,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2087821908] [2020-10-13 10:39:24,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:39:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:24,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:24,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:24,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:24,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:24,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:24,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 10:39:24,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 10:39:24,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357 [2020-10-13 10:39:24,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:24,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:39:24,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 10:39:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 10:39:24,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:24,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:39:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:24,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:24,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:24,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:39:24,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:24,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 10:39:24,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:24,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:24,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:24,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:24,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:24,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:39:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:24,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:24,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:24,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:24,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:24,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:39:24,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:24,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:24,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:24,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 10:39:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:24,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:24,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:24,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:24,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:24,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:39:24,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:24,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:24,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:39:24,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:24,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:24,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:39:24,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2087821908] [2020-10-13 10:39:24,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:39:24,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 10:39:24,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015450900] [2020-10-13 10:39:24,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 10:39:24,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:39:24,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 10:39:24,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 10:39:24,622 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 7 states. [2020-10-13 10:39:25,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:39:25,022 INFO L93 Difference]: Finished difference Result 90 states and 106 transitions. [2020-10-13 10:39:25,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 10:39:25,022 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-10-13 10:39:25,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:39:25,024 INFO L225 Difference]: With dead ends: 90 [2020-10-13 10:39:25,024 INFO L226 Difference]: Without dead ends: 74 [2020-10-13 10:39:25,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-13 10:39:25,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-13 10:39:25,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 39. [2020-10-13 10:39:25,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-13 10:39:25,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2020-10-13 10:39:25,036 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 25 [2020-10-13 10:39:25,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:39:25,036 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2020-10-13 10:39:25,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 10:39:25,037 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2020-10-13 10:39:25,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-13 10:39:25,038 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:39:25,038 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] [2020-10-13 10:39:25,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 10:39:25,038 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:39:25,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:39:25,039 INFO L82 PathProgramCache]: Analyzing trace with hash -749556279, now seen corresponding path program 1 times [2020-10-13 10:39:25,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:39:25,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [941537248] [2020-10-13 10:39:25,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:39:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:25,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:25,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:25,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:25,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:25,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:25,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:26,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:26,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:26,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 10:39:26,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 10:39:26,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1864 [2020-10-13 10:39:26,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:39:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 10:39:26,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:39:26,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:26,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:39:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:26,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:26,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:26,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:39:26,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:26,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:39:26,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:26,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:26,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:26,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:39:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:26,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:26,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:26,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:26,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:26,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 10:39:26,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:26,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:39:26,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:39:26,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:39:26,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:27,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 10:39:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:27,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:27,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:27,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:27,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:27,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:39:27,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:27,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:27,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:39:27,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:27,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:27,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:39:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:27,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:27,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:27,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:27,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:27,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:39:27,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:27,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:27,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:39:27,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:27,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:27,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 10:39:27,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [941537248] [2020-10-13 10:39:27,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:39:27,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 10:39:27,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336714715] [2020-10-13 10:39:27,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 10:39:27,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:39:27,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 10:39:27,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 10:39:27,067 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 8 states. [2020-10-13 10:39:27,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:39:27,340 INFO L93 Difference]: Finished difference Result 70 states and 80 transitions. [2020-10-13 10:39:27,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 10:39:27,341 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-10-13 10:39:27,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:39:27,342 INFO L225 Difference]: With dead ends: 70 [2020-10-13 10:39:27,342 INFO L226 Difference]: Without dead ends: 44 [2020-10-13 10:39:27,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-13 10:39:27,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-13 10:39:27,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2020-10-13 10:39:27,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-13 10:39:27,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2020-10-13 10:39:27,350 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 33 [2020-10-13 10:39:27,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:39:27,351 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2020-10-13 10:39:27,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 10:39:27,351 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2020-10-13 10:39:27,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-13 10:39:27,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:39:27,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:39:27,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 10:39:27,353 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:39:27,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:39:27,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1144927442, now seen corresponding path program 1 times [2020-10-13 10:39:27,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:39:27,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [302484091] [2020-10-13 10:39:27,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:39:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:27,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:27,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:27,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:27,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:28,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:29,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:29,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:30,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:30,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 10:39:30,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 10:39:30,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3301 [2020-10-13 10:39:30,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:30,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:39:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 10:39:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:39:30,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:30,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:39:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:30,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:30,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:30,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:39:30,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:30,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:39:30,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:30,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:30,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:30,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:30,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:30,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:39:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:30,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:30,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:30,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:39:30,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:30,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 10:39:30,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:30,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:39:30,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:39:30,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:39:30,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:30,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:39:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:30,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:30,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:30,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:30,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:30,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:39:30,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:30,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:30,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:39:30,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:30,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:30,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:39:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:30,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:30,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:30,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:30,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:30,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:39:30,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:30,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:30,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:39:30,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:30,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 10:39:30,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [302484091] [2020-10-13 10:39:30,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:39:30,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 10:39:30,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569615339] [2020-10-13 10:39:30,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 10:39:30,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:39:30,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 10:39:30,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 10:39:30,800 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand 6 states. [2020-10-13 10:39:30,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:39:30,964 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2020-10-13 10:39:30,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 10:39:30,964 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-10-13 10:39:30,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:39:30,965 INFO L225 Difference]: With dead ends: 75 [2020-10-13 10:39:30,965 INFO L226 Difference]: Without dead ends: 44 [2020-10-13 10:39:30,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:39:30,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-13 10:39:30,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2020-10-13 10:39:30,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-13 10:39:30,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2020-10-13 10:39:30,973 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 38 [2020-10-13 10:39:30,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:39:30,973 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2020-10-13 10:39:30,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 10:39:30,974 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2020-10-13 10:39:30,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-13 10:39:30,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:39:30,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:39:30,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 10:39:30,975 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:39:30,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:39:30,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1226811820, now seen corresponding path program 1 times [2020-10-13 10:39:30,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:39:30,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1900593651] [2020-10-13 10:39:30,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:39:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:30,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:31,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:31,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:31,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:31,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:31,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:32,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:32,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 10:39:32,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:39:32,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1920 [2020-10-13 10:39:32,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:39:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 10:39:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 10:39:32,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:32,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:39:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:32,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:32,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:32,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:39:32,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:32,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:39:32,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:32,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:32,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:32,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:32,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:32,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:39:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:32,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:33,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:33,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 10:39:33,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:33,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 10:39:33,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:33,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:39:33,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:39:33,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 10:39:33,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:33,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:39:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:33,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:33,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:33,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:33,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:33,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:39:33,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:33,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:33,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:39:33,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:33,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:33,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:39:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:33,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:33,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:33,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:33,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:33,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:39:33,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:33,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:33,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:39:33,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:33,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:33,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 10:39:33,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1900593651] [2020-10-13 10:39:33,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:39:33,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 10:39:33,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765622298] [2020-10-13 10:39:33,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 10:39:33,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:39:33,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 10:39:33,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:39:33,082 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 9 states. [2020-10-13 10:39:33,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:39:33,378 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2020-10-13 10:39:33,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 10:39:33,379 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2020-10-13 10:39:33,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:39:33,380 INFO L225 Difference]: With dead ends: 75 [2020-10-13 10:39:33,380 INFO L226 Difference]: Without dead ends: 49 [2020-10-13 10:39:33,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2020-10-13 10:39:33,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-13 10:39:33,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2020-10-13 10:39:33,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-13 10:39:33,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2020-10-13 10:39:33,389 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 38 [2020-10-13 10:39:33,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:39:33,389 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2020-10-13 10:39:33,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 10:39:33,390 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2020-10-13 10:39:33,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-13 10:39:33,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:39:33,391 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:39:33,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 10:39:33,392 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:39:33,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:39:33,392 INFO L82 PathProgramCache]: Analyzing trace with hash 741026599, now seen corresponding path program 1 times [2020-10-13 10:39:33,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:39:33,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253706748] [2020-10-13 10:39:33,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:39:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:33,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:33,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:33,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:33,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:33,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:34,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:34,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:34,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 10:39:34,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:39:34,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1359 [2020-10-13 10:39:34,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 10:39:34,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 10:39:34,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 10:39:34,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:34,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:39:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:34,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:34,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:34,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:39:34,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:34,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:39:34,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:34,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:34,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:34,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:34,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:34,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:39:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:34,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:34,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:34,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 10:39:34,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:34,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 10:39:34,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:34,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:34,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:34,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:34,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:34,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:39:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:34,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:35,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:35,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:35,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:35,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 10:39:35,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:35,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:39:35,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:35,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:39:35,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:35,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 10:39:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:35,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:35,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:35,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:35,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:35,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:39:35,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:35,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:39:35,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:35,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:39:35,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-13 10:39:35,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253706748] [2020-10-13 10:39:35,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:39:35,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-13 10:39:35,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247655985] [2020-10-13 10:39:35,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-13 10:39:35,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:39:35,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-13 10:39:35,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2020-10-13 10:39:35,183 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand 17 states. [2020-10-13 10:39:36,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:39:36,367 INFO L93 Difference]: Finished difference Result 83 states and 99 transitions. [2020-10-13 10:39:36,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 10:39:36,368 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 43 [2020-10-13 10:39:36,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:39:36,370 INFO L225 Difference]: With dead ends: 83 [2020-10-13 10:39:36,370 INFO L226 Difference]: Without dead ends: 81 [2020-10-13 10:39:36,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=126, Invalid=744, Unknown=0, NotChecked=0, Total=870 [2020-10-13 10:39:36,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-13 10:39:36,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 60. [2020-10-13 10:39:36,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-13 10:39:36,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 70 transitions. [2020-10-13 10:39:36,385 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 70 transitions. Word has length 43 [2020-10-13 10:39:36,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:39:36,386 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 70 transitions. [2020-10-13 10:39:36,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-13 10:39:36,386 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2020-10-13 10:39:36,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-13 10:39:36,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:39:36,389 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:39:36,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 10:39:36,390 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:39:36,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:39:36,390 INFO L82 PathProgramCache]: Analyzing trace with hash -473675563, now seen corresponding path program 1 times [2020-10-13 10:39:36,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:39:36,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210359629] [2020-10-13 10:39:36,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:39:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:36,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:36,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:36,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:36,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:36,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:37,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:37,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:39,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:39,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 10:39:39,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 10:39:39,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3313 [2020-10-13 10:39:39,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:39,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:39:39,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 10:39:39,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:39:39,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:39,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:39:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:39,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:39,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:39,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:39:39,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:39,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:39:39,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:39,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:39,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:39,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:39,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:39,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:39:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:39,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:39,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:39,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 10:39:39,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:39,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 10:39:39,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:39,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:39,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:39,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:39,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:39:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:39,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:39,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:39,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:39,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:39,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:39:39,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:39,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:39,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:39,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:39,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:39,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 10:39:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:39,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:39,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:39,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:39:39,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:39,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:39:39,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:39:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:39:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:39:39,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:39,905 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-13 10:39:39,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210359629] [2020-10-13 10:39:39,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:39:39,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 10:39:39,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147186644] [2020-10-13 10:39:39,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 10:39:39,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:39:39,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 10:39:39,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 10:39:39,910 INFO L87 Difference]: Start difference. First operand 60 states and 70 transitions. Second operand 8 states. [2020-10-13 10:39:40,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:39:40,259 INFO L93 Difference]: Finished difference Result 86 states and 102 transitions. [2020-10-13 10:39:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 10:39:40,260 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2020-10-13 10:39:40,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:39:40,262 INFO L225 Difference]: With dead ends: 86 [2020-10-13 10:39:40,262 INFO L226 Difference]: Without dead ends: 70 [2020-10-13 10:39:40,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 10:39:40,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-13 10:39:40,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 62. [2020-10-13 10:39:40,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-13 10:39:40,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2020-10-13 10:39:40,291 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 44 [2020-10-13 10:39:40,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:39:40,291 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2020-10-13 10:39:40,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 10:39:40,291 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2020-10-13 10:39:40,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-13 10:39:40,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:39:40,298 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:39:40,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 10:39:40,298 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:39:40,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:39:40,299 INFO L82 PathProgramCache]: Analyzing trace with hash -62119558, now seen corresponding path program 1 times [2020-10-13 10:39:40,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:39:40,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450424805] [2020-10-13 10:39:40,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:39:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:40,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:40,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:40,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:41,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:41,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 10:39:41,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:39:41,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 864 [2020-10-13 10:39:41,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:39:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 10:39:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:39:41,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:41,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:39:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:41,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:41,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:41,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:39:41,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:41,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:39:41,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:41,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:41,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:41,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:41,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:41,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:39:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:41,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:41,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:41,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 10:39:41,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:41,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 10:39:41,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:41,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:41,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:41,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:41,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:41,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:39:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:41,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:41,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:41,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:39:41,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:41,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 10:39:41,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:41,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:39:41,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:39:41,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:39:41,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:41,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 10:39:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:41,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:41,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:41,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:41,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:41,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:39:41,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:41,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:41,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:39:41,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:41,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:41,317 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-13 10:39:41,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450424805] [2020-10-13 10:39:41,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:39:41,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 10:39:41,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680155215] [2020-10-13 10:39:41,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 10:39:41,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:39:41,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 10:39:41,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 10:39:41,321 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand 8 states. [2020-10-13 10:39:41,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:39:41,606 INFO L93 Difference]: Finished difference Result 107 states and 127 transitions. [2020-10-13 10:39:41,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 10:39:41,606 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2020-10-13 10:39:41,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:39:41,607 INFO L225 Difference]: With dead ends: 107 [2020-10-13 10:39:41,608 INFO L226 Difference]: Without dead ends: 69 [2020-10-13 10:39:41,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-13 10:39:41,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-13 10:39:41,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 63. [2020-10-13 10:39:41,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-13 10:39:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2020-10-13 10:39:41,630 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 74 transitions. Word has length 44 [2020-10-13 10:39:41,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:39:41,631 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 74 transitions. [2020-10-13 10:39:41,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 10:39:41,631 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2020-10-13 10:39:41,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 10:39:41,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:39:41,635 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:39:41,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 10:39:41,635 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:39:41,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:39:41,636 INFO L82 PathProgramCache]: Analyzing trace with hash 81529328, now seen corresponding path program 2 times [2020-10-13 10:39:41,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:39:41,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1786758979] [2020-10-13 10:39:41,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:39:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:41,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:42,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:42,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-13 10:39:42,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:42,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 857 [2020-10-13 10:39:42,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:42,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-13 10:39:42,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 10:39:42,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 10:39:42,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:42,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:39:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:42,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:42,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:42,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:39:42,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:42,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:39:42,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:42,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:42,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:42,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:42,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:42,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:39:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:42,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:42,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:42,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 10:39:42,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:42,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-13 10:39:42,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:42,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 10:39:42,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:42,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 10:39:42,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:43,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:39:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:43,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:43,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:43,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:43,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:43,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 10:39:43,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:43,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:39:43,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:39:43,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:39:43,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:43,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 10:39:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:43,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:43,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:43,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:39:43,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:43,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 10:39:43,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:43,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:39:43,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:39:43,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 10:39:43,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:43,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 10:39:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:43,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:43,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:43,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:43,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:43,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:39:43,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:43,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:39:43,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:43,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:39:43,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:43,651 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 10:39:43,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1786758979] [2020-10-13 10:39:43,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:39:43,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-13 10:39:43,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120208406] [2020-10-13 10:39:43,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-13 10:39:43,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:39:43,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-13 10:39:43,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=642, Unknown=0, NotChecked=0, Total=702 [2020-10-13 10:39:43,656 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. Second operand 27 states. [2020-10-13 10:39:45,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:39:45,904 INFO L93 Difference]: Finished difference Result 107 states and 134 transitions. [2020-10-13 10:39:45,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-13 10:39:45,908 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 52 [2020-10-13 10:39:45,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:39:45,909 INFO L225 Difference]: With dead ends: 107 [2020-10-13 10:39:45,910 INFO L226 Difference]: Without dead ends: 105 [2020-10-13 10:39:45,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=250, Invalid=2300, Unknown=0, NotChecked=0, Total=2550 [2020-10-13 10:39:45,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-13 10:39:45,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 70. [2020-10-13 10:39:45,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-13 10:39:45,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2020-10-13 10:39:45,931 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 86 transitions. Word has length 52 [2020-10-13 10:39:45,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:39:45,931 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 86 transitions. [2020-10-13 10:39:45,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-13 10:39:45,932 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2020-10-13 10:39:45,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-13 10:39:45,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:39:45,934 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:39:45,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 10:39:45,934 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:39:45,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:39:45,935 INFO L82 PathProgramCache]: Analyzing trace with hash -2068305294, now seen corresponding path program 1 times [2020-10-13 10:39:45,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:39:45,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [959517093] [2020-10-13 10:39:45,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:39:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:45,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:45,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:46,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:46,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:46,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:46,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:46,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:47,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:47,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:47,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:47,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:48,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:48,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:49,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:50,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:50,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:50,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:50,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 10:39:50,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-13 10:39:50,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 10:39:50,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:50,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:39:50,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 10:39:50,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 10:39:50,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:50,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:39:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:50,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:51,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:51,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:39:51,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:51,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:39:51,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:51,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:51,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:51,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:51,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:51,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:39:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:51,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:51,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:51,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 10:39:51,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:51,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 10:39:51,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:51,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:51,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:51,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:51,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:51,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:39:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:51,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:51,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:51,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:51,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:51,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:39:51,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:51,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:51,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 10:39:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:51,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:51,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:51,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:51,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:51,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:39:51,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:51,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:39:51,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:51,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:39:51,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:39:51,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 10:39:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:51,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:51,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:51,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:51,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:51,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:39:51,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:51,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:39:51,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:39:51,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:39:51,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-13 10:39:51,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [959517093] [2020-10-13 10:39:51,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:39:51,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 10:39:51,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277968478] [2020-10-13 10:39:51,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 10:39:51,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:39:51,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 10:39:51,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:39:51,138 INFO L87 Difference]: Start difference. First operand 70 states and 86 transitions. Second operand 9 states. [2020-10-13 10:39:51,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:39:51,392 INFO L93 Difference]: Finished difference Result 91 states and 109 transitions. [2020-10-13 10:39:51,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 10:39:51,393 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-10-13 10:39:51,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:39:51,394 INFO L225 Difference]: With dead ends: 91 [2020-10-13 10:39:51,394 INFO L226 Difference]: Without dead ends: 75 [2020-10-13 10:39:51,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:39:51,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-13 10:39:51,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 70. [2020-10-13 10:39:51,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-13 10:39:51,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 85 transitions. [2020-10-13 10:39:51,411 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 85 transitions. Word has length 53 [2020-10-13 10:39:51,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:39:51,411 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 85 transitions. [2020-10-13 10:39:51,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 10:39:51,411 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 85 transitions. [2020-10-13 10:39:51,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-13 10:39:51,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:39:51,413 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:39:51,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 10:39:51,413 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:39:51,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:39:51,414 INFO L82 PathProgramCache]: Analyzing trace with hash 968301521, now seen corresponding path program 3 times [2020-10-13 10:39:51,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:39:51,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1679040461] [2020-10-13 10:39:51,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:39:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:51,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:51,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:51,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:51,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:52,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:52,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:55,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:55,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 10:39:55,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:39:55,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4300 [2020-10-13 10:39:55,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:39:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 10:39:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 10:39:55,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:55,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:39:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:55,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:55,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:55,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:39:55,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:55,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:39:55,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:55,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:55,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:55,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:55,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:55,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:39:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:55,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:55,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:55,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 10:39:55,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:55,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:39:55,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:55,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:55,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:55,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:55,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:55,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:39:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:55,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:55,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:55,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:55,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:55,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:39:55,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:55,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:39:55,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:39:55,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:39:55,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:55,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 10:39:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:55,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:55,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:55,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 10:39:55,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:55,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:39:55,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:55,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:39:55,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:39:55,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:39:55,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:55,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 10:39:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:55,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:55,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:39:55,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:39:55,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:39:55,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:39:55,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:39:55,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:39:55,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:39:55,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:39:55,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:39:55,896 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-13 10:39:55,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1679040461] [2020-10-13 10:39:55,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:39:55,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 10:39:55,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725551386] [2020-10-13 10:39:55,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 10:39:55,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:39:55,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 10:39:55,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-13 10:39:55,898 INFO L87 Difference]: Start difference. First operand 70 states and 85 transitions. Second operand 11 states. [2020-10-13 10:39:56,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:39:56,410 INFO L93 Difference]: Finished difference Result 131 states and 160 transitions. [2020-10-13 10:39:56,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 10:39:56,411 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 53 [2020-10-13 10:39:56,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:39:56,412 INFO L225 Difference]: With dead ends: 131 [2020-10-13 10:39:56,412 INFO L226 Difference]: Without dead ends: 89 [2020-10-13 10:39:56,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2020-10-13 10:39:56,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-13 10:39:56,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 75. [2020-10-13 10:39:56,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-13 10:39:56,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 92 transitions. [2020-10-13 10:39:56,432 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 92 transitions. Word has length 53 [2020-10-13 10:39:56,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:39:56,433 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 92 transitions. [2020-10-13 10:39:56,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 10:39:56,434 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2020-10-13 10:39:56,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-13 10:39:56,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:39:56,434 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:39:56,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 10:39:56,435 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:39:56,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:39:56,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1663618326, now seen corresponding path program 1 times [2020-10-13 10:39:56,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:39:56,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [809882927] [2020-10-13 10:39:56,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:39:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:39:56,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:56,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:56,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:56,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:56,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:56,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:56,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:57,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:57,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:57,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:57,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:57,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:57,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:57,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:57,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:58,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:39:58,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:01,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:01,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-13 10:40:01,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-13 10:40:01,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4601 [2020-10-13 10:40:01,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:01,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:40:01,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 10:40:01,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 10:40:01,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:01,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:01,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:01,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:01,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:01,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:01,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:01,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:01,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:01,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:01,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:01,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:01,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:01,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:01,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 10:40:01,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:01,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:40:01,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:01,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:01,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:01,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:01,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:01,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:40:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:01,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:01,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:01,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:01,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:40:01,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:40:01,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:01,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 10:40:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:01,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:01,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:01,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:01,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:01,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:01,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:01,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:40:01,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:01,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:01,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:01,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 10:40:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:01,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:01,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:01,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:01,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:01,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:40:01,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:01,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:01,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 10:40:01,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:01,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:01,221 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-13 10:40:01,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [809882927] [2020-10-13 10:40:01,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:40:01,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 10:40:01,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415838213] [2020-10-13 10:40:01,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 10:40:01,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:01,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 10:40:01,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:40:01,223 INFO L87 Difference]: Start difference. First operand 75 states and 92 transitions. Second operand 12 states. [2020-10-13 10:40:01,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:01,641 INFO L93 Difference]: Finished difference Result 111 states and 131 transitions. [2020-10-13 10:40:01,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 10:40:01,645 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 54 [2020-10-13 10:40:01,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:01,646 INFO L225 Difference]: With dead ends: 111 [2020-10-13 10:40:01,646 INFO L226 Difference]: Without dead ends: 88 [2020-10-13 10:40:01,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2020-10-13 10:40:01,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-13 10:40:01,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 75. [2020-10-13 10:40:01,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-13 10:40:01,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 90 transitions. [2020-10-13 10:40:01,657 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 90 transitions. Word has length 54 [2020-10-13 10:40:01,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:01,657 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 90 transitions. [2020-10-13 10:40:01,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 10:40:01,657 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 90 transitions. [2020-10-13 10:40:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 10:40:01,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:01,658 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:40:01,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 10:40:01,659 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:01,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:01,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1787763814, now seen corresponding path program 4 times [2020-10-13 10:40:01,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:01,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2073851270] [2020-10-13 10:40:01,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:01,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:01,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:01,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:01,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:02,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:03,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:03,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:03,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:06,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:06,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 10:40:06,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 10:40:06,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4595 [2020-10-13 10:40:06,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:06,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:40:06,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 10:40:06,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 10:40:06,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:06,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:06,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:06,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:06,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:06,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:06,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:06,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:06,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:06,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:06,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:06,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:06,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:06,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:06,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:06,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 10:40:06,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:06,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:40:06,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:06,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:06,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:06,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:40:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:06,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:06,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:06,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:06,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:06,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:06,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:06,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:40:06,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:06,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:06,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:06,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 10:40:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:06,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:06,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:06,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:06,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:06,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:40:06,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:06,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:06,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:40:06,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:06,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:06,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 10:40:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:06,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:06,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:06,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:06,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:06,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:06,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:06,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:06,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 10:40:06,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:06,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:06,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 10:40:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:06,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:06,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:06,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:06,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:06,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:06,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:40:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:06,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:06,394 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 10:40:06,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2073851270] [2020-10-13 10:40:06,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:40:06,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 10:40:06,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317202892] [2020-10-13 10:40:06,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 10:40:06,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:06,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 10:40:06,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:40:06,396 INFO L87 Difference]: Start difference. First operand 75 states and 90 transitions. Second operand 9 states. [2020-10-13 10:40:06,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:06,660 INFO L93 Difference]: Finished difference Result 115 states and 136 transitions. [2020-10-13 10:40:06,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 10:40:06,660 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2020-10-13 10:40:06,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:06,661 INFO L225 Difference]: With dead ends: 115 [2020-10-13 10:40:06,662 INFO L226 Difference]: Without dead ends: 77 [2020-10-13 10:40:06,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-13 10:40:06,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-13 10:40:06,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 72. [2020-10-13 10:40:06,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-13 10:40:06,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 83 transitions. [2020-10-13 10:40:06,671 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 83 transitions. Word has length 60 [2020-10-13 10:40:06,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:06,671 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 83 transitions. [2020-10-13 10:40:06,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 10:40:06,671 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2020-10-13 10:40:06,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-13 10:40:06,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:06,672 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:40:06,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 10:40:06,673 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:06,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:06,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1877916999, now seen corresponding path program 5 times [2020-10-13 10:40:06,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:06,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1614957053] [2020-10-13 10:40:06,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:06,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:06,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:06,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:06,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:06,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:07,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:08,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:11,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:11,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 10:40:11,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 10:40:11,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 10:40:11,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:11,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:40:11,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-13 10:40:11,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 10:40:11,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:11,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:11,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:11,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:11,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:11,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:11,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:11,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:11,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:11,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:11,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:11,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:11,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:11,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:11,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:11,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 10:40:11,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:11,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:40:11,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:11,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:11,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:11,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:11,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:11,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:40:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:11,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:11,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:11,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:11,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:11,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:11,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:11,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:11,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:11,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:11,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:11,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 10:40:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:11,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:11,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:11,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:11,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:11,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:40:11,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:11,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:40:11,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:11,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 10:40:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:11,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:11,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:11,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:11,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:11,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:40:11,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:11,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:40:11,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:40:11,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:40:11,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:11,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 10:40:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:11,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:11,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:11,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:11,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:11,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:11,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:40:11,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:11,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:11,838 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-13 10:40:11,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1614957053] [2020-10-13 10:40:11,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:40:11,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 10:40:11,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458729157] [2020-10-13 10:40:11,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 10:40:11,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:11,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 10:40:11,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-13 10:40:11,841 INFO L87 Difference]: Start difference. First operand 72 states and 83 transitions. Second operand 11 states. [2020-10-13 10:40:12,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:12,256 INFO L93 Difference]: Finished difference Result 109 states and 126 transitions. [2020-10-13 10:40:12,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 10:40:12,258 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2020-10-13 10:40:12,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:12,259 INFO L225 Difference]: With dead ends: 109 [2020-10-13 10:40:12,259 INFO L226 Difference]: Without dead ends: 74 [2020-10-13 10:40:12,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2020-10-13 10:40:12,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-13 10:40:12,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-13 10:40:12,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-13 10:40:12,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 84 transitions. [2020-10-13 10:40:12,269 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 84 transitions. Word has length 61 [2020-10-13 10:40:12,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:12,269 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 84 transitions. [2020-10-13 10:40:12,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 10:40:12,269 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2020-10-13 10:40:12,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-13 10:40:12,270 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:12,270 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:40:12,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 10:40:12,271 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:12,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:12,271 INFO L82 PathProgramCache]: Analyzing trace with hash 821744474, now seen corresponding path program 6 times [2020-10-13 10:40:12,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:12,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [158345548] [2020-10-13 10:40:12,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:12,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:12,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:12,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:12,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:12,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:12,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:14,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:15,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:17,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:17,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 10:40:17,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 10:40:17,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 10:40:17,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:17,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 10:40:17,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 10:40:17,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-13 10:40:17,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:17,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:17,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:17,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:17,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:17,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:17,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:17,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:17,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:17,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:17,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:17,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:17,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 10:40:17,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:17,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 10:40:17,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:17,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:40:17,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:17,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 10:40:17,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:17,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:40:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:17,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:17,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:17,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:17,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:17,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:17,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:17,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:40:17,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:17,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:17,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:17,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 10:40:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:17,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:17,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:17,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:17,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:17,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:40:17,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:17,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:40:17,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:17,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:40:17,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:17,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 10:40:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:17,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:17,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:17,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 10:40:17,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:17,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:17,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 10:40:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:17,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:17,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 10:40:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:17,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:17,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:17,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:17,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:17,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:17,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:17,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:17,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:40:17,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:17,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-13 10:40:17,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [158345548] [2020-10-13 10:40:17,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:40:17,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 10:40:17,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485112829] [2020-10-13 10:40:17,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 10:40:17,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:17,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 10:40:17,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-13 10:40:17,507 INFO L87 Difference]: Start difference. First operand 74 states and 84 transitions. Second operand 14 states. [2020-10-13 10:40:18,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:18,064 INFO L93 Difference]: Finished difference Result 106 states and 119 transitions. [2020-10-13 10:40:18,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 10:40:18,065 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 62 [2020-10-13 10:40:18,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:18,066 INFO L225 Difference]: With dead ends: 106 [2020-10-13 10:40:18,066 INFO L226 Difference]: Without dead ends: 70 [2020-10-13 10:40:18,067 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2020-10-13 10:40:18,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-13 10:40:18,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 62. [2020-10-13 10:40:18,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-13 10:40:18,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2020-10-13 10:40:18,073 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 62 [2020-10-13 10:40:18,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:18,074 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2020-10-13 10:40:18,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 10:40:18,074 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2020-10-13 10:40:18,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-13 10:40:18,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:18,075 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:40:18,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 10:40:18,075 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:18,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:18,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1911919487, now seen corresponding path program 1 times [2020-10-13 10:40:18,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:18,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [128291964] [2020-10-13 10:40:18,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:18,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:18,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:18,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:18,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:18,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:19,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:19,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:19,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:20,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:20,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:21,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:21,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:23,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:23,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 10:40:23,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 10:40:23,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 10:40:23,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-13 10:40:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 10:40:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-13 10:40:23,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:23,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:23,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:23,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:23,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:23,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:23,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:23,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:23,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:23,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:23,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:23,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:23,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:23,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:23,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:23,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 10:40:23,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:23,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-13 10:40:23,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:23,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 10:40:23,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:23,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 10:40:23,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:23,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:40:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:23,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:23,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:23,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:23,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:23,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 10:40:23,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:40:23,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:40:23,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:40:23,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:23,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 10:40:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:23,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:23,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:23,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:23,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:23,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 10:40:23,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:23,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 10:40:23,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:40:23,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 10:40:23,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:24,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 10:40:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:24,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:24,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:24,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:24,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:24,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:40:24,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:24,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:40:24,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:24,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:24,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 10:40:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:24,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:24,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:24,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:24,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:24,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:40:24,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:24,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:40:24,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:24,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:40:24,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:24,302 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 10:40:24,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [128291964] [2020-10-13 10:40:24,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:40:24,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-13 10:40:24,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934461130] [2020-10-13 10:40:24,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-13 10:40:24,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:24,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-13 10:40:24,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2020-10-13 10:40:24,308 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 29 states. [2020-10-13 10:40:26,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:26,488 INFO L93 Difference]: Finished difference Result 89 states and 100 transitions. [2020-10-13 10:40:26,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-13 10:40:26,488 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 63 [2020-10-13 10:40:26,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:26,489 INFO L225 Difference]: With dead ends: 89 [2020-10-13 10:40:26,489 INFO L226 Difference]: Without dead ends: 87 [2020-10-13 10:40:26,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=254, Invalid=2502, Unknown=0, NotChecked=0, Total=2756 [2020-10-13 10:40:26,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-13 10:40:26,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 71. [2020-10-13 10:40:26,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-13 10:40:26,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2020-10-13 10:40:26,501 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 63 [2020-10-13 10:40:26,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:26,501 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2020-10-13 10:40:26,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-13 10:40:26,502 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2020-10-13 10:40:26,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-13 10:40:26,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:26,502 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:40:26,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 10:40:26,503 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:26,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:26,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1110625605, now seen corresponding path program 2 times [2020-10-13 10:40:26,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:26,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [620968592] [2020-10-13 10:40:26,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:26,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:26,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:26,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:26,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:26,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:26,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:30,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:31,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:31,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:31,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 10:40:31,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 10:40:31,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 10:40:31,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:31,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:40:31,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 10:40:31,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 10:40:31,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:31,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:31,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:31,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:31,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:31,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:31,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:31,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:31,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:31,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:31,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:31,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:31,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:31,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:31,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:31,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 10:40:31,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:31,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:40:31,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:31,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:31,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:31,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:31,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:31,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:40:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:31,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:31,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:31,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:31,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:31,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:31,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:31,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:31,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 10:40:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:31,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:31,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:31,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:31,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:31,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:31,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:31,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:31,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:31,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:31,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:31,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 10:40:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:31,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:31,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:31,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:31,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:31,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:40:31,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:31,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:31,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:31,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:40:31,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:31,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 10:40:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:31,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:31,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:31,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 10:40:31,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:31,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 10:40:31,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:31,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:40:31,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:40:31,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:40:31,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-13 10:40:31,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [620968592] [2020-10-13 10:40:31,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:40:31,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 10:40:31,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507734242] [2020-10-13 10:40:31,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 10:40:31,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:31,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 10:40:31,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:40:31,744 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand 12 states. [2020-10-13 10:40:32,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:32,193 INFO L93 Difference]: Finished difference Result 94 states and 105 transitions. [2020-10-13 10:40:32,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 10:40:32,194 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2020-10-13 10:40:32,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:32,195 INFO L225 Difference]: With dead ends: 94 [2020-10-13 10:40:32,195 INFO L226 Difference]: Without dead ends: 74 [2020-10-13 10:40:32,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2020-10-13 10:40:32,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-13 10:40:32,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2020-10-13 10:40:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-13 10:40:32,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 80 transitions. [2020-10-13 10:40:32,206 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 80 transitions. Word has length 64 [2020-10-13 10:40:32,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:32,207 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 80 transitions. [2020-10-13 10:40:32,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 10:40:32,207 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2020-10-13 10:40:32,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-13 10:40:32,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:32,208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:40:32,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 10:40:32,208 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:32,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:32,209 INFO L82 PathProgramCache]: Analyzing trace with hash 2030662992, now seen corresponding path program 3 times [2020-10-13 10:40:32,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:32,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652267663] [2020-10-13 10:40:32,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:32,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:32,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:32,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:32,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:32,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:32,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:32,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:32,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:32,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:32,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:33,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:33,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:33,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:33,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:33,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:33,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:33,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:33,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:33,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:34,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:37,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:37,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 10:40:37,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-13 10:40:37,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 10:40:37,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:37,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 10:40:37,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-13 10:40:37,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 10:40:37,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:37,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:37,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:37,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:37,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:37,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:37,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:37,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:37,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:37,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:37,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:37,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:37,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:37,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:37,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:37,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 10:40:37,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:37,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:40:37,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:37,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:37,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:40:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:37,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:37,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:37,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:37,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:37,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:40:37,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:37,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:37,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:37,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:37,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:37,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 10:40:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:37,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:37,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:37,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:37,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:37,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 10:40:37,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:40:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:40:37,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:37,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 10:40:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:37,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:37,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:37,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:37,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:37,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:37,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:37,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:40:37,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:37,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:37,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:37,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 10:40:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:37,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:37,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:37,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:37,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:37,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:40:37,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:40:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:40:37,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:37,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 10:40:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:37,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:37,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:37,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:37,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:37,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:40:37,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:37,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:37,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 10:40:37,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:37,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:37,515 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 10:40:37,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652267663] [2020-10-13 10:40:37,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:40:37,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-13 10:40:37,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333659871] [2020-10-13 10:40:37,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 10:40:37,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:37,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 10:40:37,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-10-13 10:40:37,528 INFO L87 Difference]: Start difference. First operand 73 states and 80 transitions. Second operand 15 states. [2020-10-13 10:40:38,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:38,241 INFO L93 Difference]: Finished difference Result 88 states and 95 transitions. [2020-10-13 10:40:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 10:40:38,242 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 74 [2020-10-13 10:40:38,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:38,243 INFO L225 Difference]: With dead ends: 88 [2020-10-13 10:40:38,243 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 10:40:38,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=632, Unknown=0, NotChecked=0, Total=756 [2020-10-13 10:40:38,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 10:40:38,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 10:40:38,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 10:40:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 10:40:38,250 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-10-13 10:40:38,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:38,250 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 10:40:38,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 10:40:38,250 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 10:40:38,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 10:40:38,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 10:40:38,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 10:40:38,725 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2020-10-13 10:40:38,991 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2020-10-13 10:40:39,300 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 52 [2020-10-13 10:40:39,405 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2020-10-13 10:40:39,722 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 41 [2020-10-13 10:40:39,729 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse6 (= dll_update_at_~index |dll_update_at_#in~index|))) (and (let ((.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse3 (= dll_update_at_~data |dll_update_at_#in~data|)) (.cse1 (= |#memory_int| |old(#memory_int)|)) (.cse5 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (or (and .cse0 (or (<= 1 |dll_update_at_#in~head.offset|) (= (select (select |old(#memory_$Pointer$.base)| |dll_update_at_#in~head.base|) 4) dll_update_at_~head.base) (<= (+ |dll_update_at_#in~head.offset| 1) 0)) .cse1 (= (+ dll_update_at_~index 1) |dll_update_at_#in~index|) (let ((.cse2 (+ |dll_update_at_#in~head.offset| 4))) (let ((.cse4 (select (select |#memory_$Pointer$.base| |dll_update_at_#in~head.base|) .cse2))) (or (and (= dll_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_update_at_#in~head.base|) .cse2)) .cse3 (= dll_update_at_~head.base .cse4) .cse5) (and .cse5 (= |dll_update_at_#in~head.base| .cse4)))))) (not (<= |dll_update_at_#in~index| 1)) (and .cse0 (= dll_update_at_~head.offset |dll_update_at_#in~head.offset|) .cse3 .cse1 .cse6 .cse5 (= |dll_update_at_#in~head.base| dll_update_at_~head.base)))) (or .cse6 (<= 1 |dll_update_at_#in~index|)))) [2020-10-13 10:40:39,729 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-10-13 10:40:39,729 INFO L264 CegarLoopResult]: At program point dll_update_atENTRY(lines 606 612) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (<= |dll_update_at_#in~index| 1))) [2020-10-13 10:40:39,729 INFO L268 CegarLoopResult]: For program point dll_update_atEXIT(lines 606 612) no Hoare annotation was computed. [2020-10-13 10:40:39,729 INFO L268 CegarLoopResult]: For program point dll_update_atFINAL(lines 606 612) no Hoare annotation was computed. [2020-10-13 10:40:39,730 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 10:40:39,730 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-13 10:40:39,730 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 10:40:39,730 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2020-10-13 10:40:39,730 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2020-10-13 10:40:39,730 INFO L271 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: true [2020-10-13 10:40:39,731 INFO L268 CegarLoopResult]: For program point L578-1(lines 578 580) no Hoare annotation was computed. [2020-10-13 10:40:39,731 INFO L264 CegarLoopResult]: At program point dll_createENTRY(lines 574 591) the Hoare annotation is: (or (not (<= |dll_create_#in~len| 2)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-10-13 10:40:39,731 INFO L264 CegarLoopResult]: At program point L576-2(lines 576 589) the Hoare annotation is: (let ((.cse0 (= dll_create_~head~0.offset 0)) (.cse1 (= (select |#valid| dll_create_~new_head~0.base) 1)) (.cse2 (= (select |#valid| dll_create_~head~0.base) 1))) (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= dll_create_~len |dll_create_#in~len|) .cse0 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= 0 dll_create_~head~0.base)) (and .cse1 .cse0 (not (= (select (select |#memory_$Pointer$.base| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 4)) dll_create_~new_head~0.base)) (= dll_create_~new_head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| dll_create_~head~0.base) (+ dll_create_~head~0.offset 4)) dll_create_~head~0.base)) .cse2) (not (<= |dll_create_#in~len| 2)) (and .cse1 (= (+ dll_create_~len 1) |dll_create_#in~len|) .cse2))) [2020-10-13 10:40:39,731 INFO L268 CegarLoopResult]: For program point L576-3(lines 576 589) no Hoare annotation was computed. [2020-10-13 10:40:39,731 INFO L268 CegarLoopResult]: For program point dll_createFINAL(lines 574 591) no Hoare annotation was computed. [2020-10-13 10:40:39,731 INFO L271 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: true [2020-10-13 10:40:39,732 INFO L268 CegarLoopResult]: For program point dll_createEXIT(lines 574 591) no Hoare annotation was computed. [2020-10-13 10:40:39,732 INFO L268 CegarLoopResult]: For program point L584(lines 584 586) no Hoare annotation was computed. [2020-10-13 10:40:39,732 INFO L268 CegarLoopResult]: For program point L584-2(lines 584 586) no Hoare annotation was computed. [2020-10-13 10:40:39,732 INFO L268 CegarLoopResult]: For program point L578(lines 578 580) no Hoare annotation was computed. [2020-10-13 10:40:39,732 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-10-13 10:40:39,732 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-10-13 10:40:39,732 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-10-13 10:40:39,733 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-10-13 10:40:39,733 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-10-13 10:40:39,733 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-10-13 10:40:39,733 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 10:40:39,733 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-13 10:40:39,733 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 10:40:39,733 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 10:40:39,734 INFO L264 CegarLoopResult]: At program point L600-2(lines 600 603) the Hoare annotation is: (let ((.cse0 (= |dll_get_data_at_#in~index| dll_get_data_at_~index))) (and (or .cse0 (not (<= |dll_get_data_at_#in~index| 0))) (let ((.cse1 (<= (+ dll_get_data_at_~index 1) |dll_get_data_at_#in~index|))) (or (and .cse1 (<= 2 |dll_get_data_at_#in~index|)) (and .cse0 (= |dll_get_data_at_#in~head.base| dll_get_data_at_~head.base) (= dll_get_data_at_~head.offset |dll_get_data_at_#in~head.offset|)) (let ((.cse2 (+ |dll_get_data_at_#in~head.offset| 4))) (and (= dll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_get_data_at_#in~head.base|) .cse2)) (= (select (select |#memory_$Pointer$.base| |dll_get_data_at_#in~head.base|) .cse2) dll_get_data_at_~head.base) .cse1)))))) [2020-10-13 10:40:39,734 INFO L268 CegarLoopResult]: For program point L600-3(lines 600 603) no Hoare annotation was computed. [2020-10-13 10:40:39,734 INFO L268 CegarLoopResult]: For program point dll_get_data_atFINAL(lines 599 605) no Hoare annotation was computed. [2020-10-13 10:40:39,734 INFO L271 CegarLoopResult]: At program point dll_get_data_atENTRY(lines 599 605) the Hoare annotation is: true [2020-10-13 10:40:39,734 INFO L268 CegarLoopResult]: For program point dll_get_data_atEXIT(lines 599 605) no Hoare annotation was computed. [2020-10-13 10:40:39,734 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 613 632) no Hoare annotation was computed. [2020-10-13 10:40:39,734 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-10-13 10:40:39,735 INFO L264 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: (let ((.cse10 (+ main_~s~0.offset 4))) (let ((.cse9 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse10))) (let ((.cse8 (+ main_~len~0 1)) (.cse6 (select (select |#memory_int| .cse9) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse10)))) (let ((.cse0 (= main_~len~0 2)) (.cse1 (<= .cse8 .cse6)) (.cse2 (not (= .cse9 main_~s~0.base))) (.cse3 (<= .cse6 .cse8))) (or (let ((.cse5 (+ main_~i~0 .cse6)) (.cse4 (+ main_~expected~0 1))) (and .cse0 .cse1 .cse2 .cse3 (< 0 main_~i~0) (<= .cse4 .cse5) (<= main_~i~0 1) (<= .cse5 .cse4))) (let ((.cse7 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and .cse0 .cse1 (= main_~i~0 0) .cse2 (= .cse7 main_~expected~0) .cse3 (= main_~len~0 .cse7)))))))) [2020-10-13 10:40:39,735 INFO L268 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-10-13 10:40:39,735 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 626) no Hoare annotation was computed. [2020-10-13 10:40:39,735 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 613 632) no Hoare annotation was computed. [2020-10-13 10:40:39,735 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (let ((.cse0 (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4)) main_~s~0.base))) (.cse1 (= (+ main_~i~0 main_~len~0) main_~new_data~0)) (.cse2 (= main_~s~0.offset 0))) (or (and (= main_~len~0 2) .cse0 (<= 0 main_~i~0) .cse1 (<= main_~new_data~0 main_~len~0) .cse2) (and (<= 2 main_~len~0) .cse0 (<= main_~len~0 2) (<= 1 main_~i~0) .cse1 (= main_~len~0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) .cse2 (<= main_~i~0 1)))) [2020-10-13 10:40:39,736 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 627) no Hoare annotation was computed. [2020-10-13 10:40:39,736 INFO L268 CegarLoopResult]: For program point L620-1(lines 618 621) no Hoare annotation was computed. [2020-10-13 10:40:39,736 INFO L264 CegarLoopResult]: At program point L622-3(lines 622 627) the Hoare annotation is: (let ((.cse6 (+ main_~s~0.offset 4))) (let ((.cse5 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse6))) (let ((.cse4 (+ main_~len~0 1)) (.cse3 (select (select |#memory_int| .cse5) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse6)))) (let ((.cse0 (<= .cse4 .cse3)) (.cse1 (not (= .cse5 main_~s~0.base))) (.cse2 (<= .cse3 .cse4))) (or (and .cse0 .cse1 (<= main_~len~0 2) (<= 2 main_~len~0) (<= 0 main_~i~0) .cse2 (= main_~len~0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (<= main_~i~0 1)) (and (= main_~len~0 2) .cse0 .cse1 (<= 1 main_~i~0) .cse2 (<= main_~i~0 2)) (and (<= main_~i~0 0) (<= main_~len~0 main_~i~0))))))) [2020-10-13 10:40:39,736 INFO L271 CegarLoopResult]: At program point L622-4(lines 622 627) the Hoare annotation is: true [2020-10-13 10:40:39,736 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (<= 2 main_~len~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-13 10:40:39,737 INFO L264 CegarLoopResult]: At program point L618-2(lines 618 621) the Hoare annotation is: (let ((.cse8 (+ main_~s~0.offset 4))) (let ((.cse7 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse8))) (let ((.cse0 (<= main_~len~0 2)) (.cse1 (not (= .cse7 main_~s~0.base))) (.cse2 (<= 2 main_~len~0)) (.cse6 (= main_~len~0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (.cse3 (= main_~s~0.offset 0))) (or (and .cse0 .cse1 .cse2 (= main_~i~0 0) .cse3) (let ((.cse5 (select (select |#memory_int| .cse7) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse8))) (.cse4 (+ main_~len~0 1))) (and (<= .cse4 .cse5) .cse1 .cse2 (<= .cse5 .cse4) (<= main_~len~0 main_~i~0) (<= main_~i~0 2) .cse6)) (and .cse0 .cse1 .cse2 (<= main_~len~0 main_~new_data~0) (<= 1 main_~i~0) .cse6 (<= main_~new_data~0 main_~len~0) .cse3 (<= main_~i~0 1)))))) [2020-10-13 10:40:39,737 INFO L268 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-13 10:40:39,737 INFO L268 CegarLoopResult]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2020-10-13 10:40:39,737 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2020-10-13 10:40:39,737 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 613 632) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-13 10:40:39,737 INFO L264 CegarLoopResult]: At program point L625(lines 613 632) the Hoare annotation is: false [2020-10-13 10:40:39,738 INFO L268 CegarLoopResult]: For program point dll_destroyEXIT(lines 592 598) no Hoare annotation was computed. [2020-10-13 10:40:39,738 INFO L264 CegarLoopResult]: At program point dll_destroyENTRY(lines 592 598) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-13 10:40:39,738 INFO L271 CegarLoopResult]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2020-10-13 10:40:39,738 INFO L268 CegarLoopResult]: For program point L593-3(lines 592 598) no Hoare annotation was computed. [2020-10-13 10:40:39,738 INFO L268 CegarLoopResult]: For program point node_createENTRY(lines 564 573) no Hoare annotation was computed. [2020-10-13 10:40:39,738 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 564 573) no Hoare annotation was computed. [2020-10-13 10:40:39,738 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-13 10:40:39,738 INFO L268 CegarLoopResult]: For program point L566(lines 566 568) no Hoare annotation was computed. [2020-10-13 10:40:39,739 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2020-10-13 10:40:39,739 INFO L268 CegarLoopResult]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2020-10-13 10:40:39,754 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,757 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,757 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,759 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,761 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,761 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,761 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,768 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,769 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,769 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,769 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,790 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,790 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,790 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,790 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,790 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,791 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,791 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,791 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,791 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,791 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,796 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,796 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,797 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,797 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,798 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,798 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,798 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,798 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,802 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,802 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,802 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,805 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,805 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,807 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,807 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,807 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,807 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,807 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,809 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,810 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,821 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,821 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-13 10:40:39,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-13 10:40:39,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,825 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,825 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-13 10:40:39,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-13 10:40:39,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,833 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,833 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,836 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,836 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,839 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,839 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,839 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,843 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,847 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:40:39 BoogieIcfgContainer [2020-10-13 10:40:39,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 10:40:39,855 INFO L168 Benchmark]: Toolchain (without parser) took 78645.71 ms. Allocated memory was 148.9 MB in the beginning and 1.0 GB in the end (delta: 866.6 MB). Free memory was 103.1 MB in the beginning and 747.1 MB in the end (delta: -644.1 MB). Peak memory consumption was 886.6 MB. Max. memory is 7.1 GB. [2020-10-13 10:40:39,862 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 10:40:39,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.96 ms. Allocated memory was 148.9 MB in the beginning and 204.5 MB in the end (delta: 55.6 MB). Free memory was 102.9 MB in the beginning and 169.1 MB in the end (delta: -66.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2020-10-13 10:40:39,864 INFO L168 Benchmark]: Boogie Preprocessor took 80.14 ms. Allocated memory is still 204.5 MB. Free memory was 169.1 MB in the beginning and 166.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2020-10-13 10:40:39,866 INFO L168 Benchmark]: RCFGBuilder took 665.33 ms. Allocated memory is still 204.5 MB. Free memory was 166.0 MB in the beginning and 117.1 MB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 7.1 GB. [2020-10-13 10:40:39,867 INFO L168 Benchmark]: TraceAbstraction took 77256.25 ms. Allocated memory was 204.5 MB in the beginning and 1.0 GB in the end (delta: 811.1 MB). Free memory was 116.5 MB in the beginning and 747.1 MB in the end (delta: -630.7 MB). Peak memory consumption was 844.4 MB. Max. memory is 7.1 GB. [2020-10-13 10:40:39,874 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 636.96 ms. Allocated memory was 148.9 MB in the beginning and 204.5 MB in the end (delta: 55.6 MB). Free memory was 102.9 MB in the beginning and 169.1 MB in the end (delta: -66.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.14 ms. Allocated memory is still 204.5 MB. Free memory was 169.1 MB in the beginning and 166.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 665.33 ms. Allocated memory is still 204.5 MB. Free memory was 166.0 MB in the beginning and 117.1 MB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 77256.25 ms. Allocated memory was 204.5 MB in the beginning and 1.0 GB in the end (delta: 811.1 MB). Free memory was 116.5 MB in the beginning and 747.1 MB in the end (delta: -630.7 MB). Peak memory consumption was 844.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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 * 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_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_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_$Pointer$ - 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_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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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 #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_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_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_$Pointer$ - 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_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: 630]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant [2020-10-13 10:40:39,886 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,886 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,886 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,896 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,896 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,896 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((len <= 2 && !(#memory_$Pointer$[s][s + 4] == s)) && 2 <= len) && i == 0) && s == 0) || ((((((len + 1 <= unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] && !(#memory_$Pointer$[s][s + 4] == s)) && 2 <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] <= len + 1) && len <= i) && i <= 2) && len == unknown-#memory_int-unknown[s][s])) || ((((((((len <= 2 && !(#memory_$Pointer$[s][s + 4] == s)) && 2 <= len) && len <= new_data) && 1 <= i) && len == unknown-#memory_int-unknown[s][s]) && new_data <= len) && s == 0) && i <= 1) - InvariantResult [Line: 607]: Loop Invariant [2020-10-13 10:40:39,901 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,901 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,901 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,903 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,912 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,914 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,914 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,914 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,914 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && ((1 <= head || \old(#memory_$Pointer$)[head][4] == head) || head + 1 <= 0)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index + 1 == \old(index)) && ((((head == #memory_$Pointer$[head][head + 4] && data == \old(data)) && head == #memory_$Pointer$[head][head + 4]) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || (#memory_$Pointer$ == \old(#memory_$Pointer$) && head == #memory_$Pointer$[head][head + 4]))) || !(\old(index) <= 1)) || ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && head == head) && data == \old(data)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index == \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && head == head)) && (index == \old(index) || 1 <= \old(index)) - InvariantResult [Line: 600]: Loop Invariant [2020-10-13 10:40:39,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (\old(index) == index || !(\old(index) <= 0)) && (((index + 1 <= \old(index) && 2 <= \old(index)) || ((\old(index) == index && head == head) && head == head)) || ((head == #memory_$Pointer$[head][head + 4] && #memory_$Pointer$[head][head + 4] == head) && index + 1 <= \old(index))) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant [2020-10-13 10:40:39,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-13 10:40:39,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-13 10:40:39,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,927 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-13 10:40:39,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-13 10:40:39,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && len == \old(len)) && head == 0) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid) && 0 == head) || (((((\valid[new_head] == 1 && head == 0) && !(#memory_$Pointer$[new_head][new_head + 4] == new_head)) && new_head == 0) && !(#memory_$Pointer$[head][head + 4] == head)) && \valid[head] == 1)) || !(\old(len) <= 2)) || ((\valid[new_head] == 1 && len + 1 == \old(len)) && \valid[head] == 1) - InvariantResult [Line: 622]: Loop Invariant [2020-10-13 10:40:39,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:40:39,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:40:39,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:40:39,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:40:39,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((len + 1 <= unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] && !(#memory_$Pointer$[s][s + 4] == s)) && len <= 2) && 2 <= len) && 0 <= i) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] <= len + 1) && len == unknown-#memory_int-unknown[s][s]) && i <= 1) || (((((len == 2 && len + 1 <= unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]]) && !(#memory_$Pointer$[s][s + 4] == s)) && 1 <= i) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] <= len + 1) && i <= 2)) || (i <= 0 && len <= i) - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 75.5s, OverallIterations: 18, TraceHistogramMax: 3, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 595 SDtfs, 1025 SDslu, 2302 SDs, 0 SdLazy, 5848 SolverSat, 599 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 495 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 335 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1398 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=11, 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, 18 MinimizatonAttempts, 202 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 98 PreInvPairs, 141 NumberOfFragments, 857 HoareAnnotationTreeSize, 98 FomulaSimplifications, 8118 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 22 FomulaSimplificationsInter, 1601 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 63.2s InterpolantComputationTime, 886 NumberOfCodeBlocks, 886 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 868 ConstructedInterpolants, 0 QuantifiedInterpolants, 196010 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 7 PerfectInterpolantSequences, 249/349 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...