/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:40:54,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:40:54,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:40:54,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:40:54,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:40:54,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:40:54,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:40:54,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:40:54,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:40:54,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:40:54,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:40:54,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:40:54,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:40:54,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:40:54,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:40:54,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:40:54,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:40:54,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:40:54,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:40:54,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:40:54,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:40:54,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:40:54,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:40:54,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:40:54,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:40:54,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:40:54,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:40:54,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:40:54,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:40:54,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:40:54,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:40:54,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:40:54,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:40:54,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:40:54,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:40:54,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:40:54,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:40:54,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:40:54,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:40:54,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:40:54,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:40:54,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 06:40:54,177 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:40:54,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:40:54,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:40:54,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:40:54,181 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:40:54,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:40:54,182 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:40:54,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:40:54,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:40:54,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:40:54,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:40:54,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:40:54,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:40:54,184 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:40:54,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:40:54,186 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:40:54,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:40:54,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:40:54,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:40:54,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:40:54,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:40:54,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:40:54,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:40:54,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:40:54,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:40:54,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:40:54,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:40:54,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:40:54,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:40:54,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-09-25 06:40:54,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:40:54,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:40:54,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:40:54,730 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:40:54,731 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:40:54,732 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-01-1.i [2020-09-25 06:40:54,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1232969de/20915af8d73c4507b703d9562d4604e1/FLAG65be7218e [2020-09-25 06:40:55,434 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:40:55,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/forester-heap/dll-01-1.i [2020-09-25 06:40:55,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1232969de/20915af8d73c4507b703d9562d4604e1/FLAG65be7218e [2020-09-25 06:40:55,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1232969de/20915af8d73c4507b703d9562d4604e1 [2020-09-25 06:40:55,715 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:40:55,720 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:40:55,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:40:55,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:40:55,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:40:55,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:40:55" (1/1) ... [2020-09-25 06:40:55,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a7ca91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:55, skipping insertion in model container [2020-09-25 06:40:55,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:40:55" (1/1) ... [2020-09-25 06:40:55,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:40:55,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:40:56,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:40:56,337 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:40:56,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:40:56,458 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:40:56,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:56 WrapperNode [2020-09-25 06:40:56,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:40:56,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:40:56,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:40:56,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:40:56,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:56" (1/1) ... [2020-09-25 06:40:56,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:56" (1/1) ... [2020-09-25 06:40:56,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:56" (1/1) ... [2020-09-25 06:40:56,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:56" (1/1) ... [2020-09-25 06:40:56,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:56" (1/1) ... [2020-09-25 06:40:56,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:56" (1/1) ... [2020-09-25 06:40:56,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:56" (1/1) ... [2020-09-25 06:40:56,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:40:56,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:40:56,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:40:56,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:40:56,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:40:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:40:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:40:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:40:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 06:40:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 06:40:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 06:40:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 06:40:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 06:40:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 06:40:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 06:40:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 06:40:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 06:40:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 06:40:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 06:40:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 06:40:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 06:40:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 06:40:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 06:40:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 06:40:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 06:40:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 06:40:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 06:40:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 06:40:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 06:40:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 06:40:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 06:40:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 06:40:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 06:40:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 06:40:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 06:40:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 06:40:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 06:40:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 06:40:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 06:40:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 06:40:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 06:40:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 06:40:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 06:40:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 06:40:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 06:40:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 06:40:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 06:40:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 06:40:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 06:40:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 06:40:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 06:40:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 06:40:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 06:40:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 06:40:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 06:40:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 06:40:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 06:40:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 06:40:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:40:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 06:40:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 06:40:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:40:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 06:40:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 06:40:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 06:40:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 06:40:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-25 06:40:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 06:40:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 06:40:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-25 06:40:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 06:40:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 06:40:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-25 06:40:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 06:40:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 06:40:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 06:40:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 06:40:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 06:40:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 06:40:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 06:40:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 06:40:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 06:40:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 06:40:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 06:40:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 06:40:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 06:40:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 06:40:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 06:40:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 06:40:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 06:40:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 06:40:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 06:40:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 06:40:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 06:40:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 06:40:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 06:40:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 06:40:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 06:40:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 06:40:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 06:40:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 06:40:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 06:40:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 06:40:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 06:40:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 06:40:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 06:40:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 06:40:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 06:40:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 06:40:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 06:40:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 06:40:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:40:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:40:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:40:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:40:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:40:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:40:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:40:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:40:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:40:57,410 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:40:57,410 INFO L295 CfgBuilder]: Removed 30 assume(true) statements. [2020-09-25 06:40:57,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:40:57 BoogieIcfgContainer [2020-09-25 06:40:57,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:40:57,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:40:57,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:40:57,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:40:57,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:40:55" (1/3) ... [2020-09-25 06:40:57,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1743fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:40:57, skipping insertion in model container [2020-09-25 06:40:57,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:40:56" (2/3) ... [2020-09-25 06:40:57,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1743fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:40:57, skipping insertion in model container [2020-09-25 06:40:57,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:40:57" (3/3) ... [2020-09-25 06:40:57,428 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-01-1.i [2020-09-25 06:40:57,442 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:40:57,453 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2020-09-25 06:40:57,479 INFO L251 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2020-09-25 06:40:57,513 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:40:57,514 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:40:57,514 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:40:57,514 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:40:57,514 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:40:57,515 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:40:57,515 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:40:57,515 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:40:57,548 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-09-25 06:40:57,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-25 06:40:57,556 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:40:57,558 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:40:57,559 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:40:57,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:40:57,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1409190174, now seen corresponding path program 1 times [2020-09-25 06:40:57,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:40:57,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643551703] [2020-09-25 06:40:57,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:40:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:57,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:57,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:57,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 06:40:57,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:57,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-09-25 06:40:57,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:57,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 06:40:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 06:40:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 06:40:57,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 06:40:58,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:40:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:58,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:58,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:58,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:40:58,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:58,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 06:40:58,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:58,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:58,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:58,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:58,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:58,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:58,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:40:58,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643551703] [2020-09-25 06:40:58,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:40:58,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:40:58,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548823827] [2020-09-25 06:40:58,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:40:58,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:40:58,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:40:58,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:40:58,214 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 5 states. [2020-09-25 06:40:58,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:40:58,611 INFO L93 Difference]: Finished difference Result 359 states and 475 transitions. [2020-09-25 06:40:58,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 06:40:58,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-09-25 06:40:58,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:40:58,630 INFO L225 Difference]: With dead ends: 359 [2020-09-25 06:40:58,630 INFO L226 Difference]: Without dead ends: 194 [2020-09-25 06:40:58,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 06:40:58,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-09-25 06:40:58,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 164. [2020-09-25 06:40:58,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-09-25 06:40:58,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 173 transitions. [2020-09-25 06:40:58,708 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 173 transitions. Word has length 13 [2020-09-25 06:40:58,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:40:58,708 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 173 transitions. [2020-09-25 06:40:58,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:40:58,709 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 173 transitions. [2020-09-25 06:40:58,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-09-25 06:40:58,710 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:40:58,710 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:40:58,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:40:58,711 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:40:58,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:40:58,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1469410252, now seen corresponding path program 1 times [2020-09-25 06:40:58,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:40:58,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [797107669] [2020-09-25 06:40:58,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:40:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:58,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:58,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:59,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:59,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 06:40:59,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:40:59,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-09-25 06:40:59,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:59,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:59,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:40:59,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 06:40:59,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:40:59,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:40:59,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:40:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:59,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:59,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:59,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:40:59,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:59,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 06:40:59,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:59,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:59,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:59,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:59,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:59,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:40:59,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [797107669] [2020-09-25 06:40:59,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:40:59,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:40:59,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86737935] [2020-09-25 06:40:59,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:40:59,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:40:59,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:40:59,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:40:59,166 INFO L87 Difference]: Start difference. First operand 164 states and 173 transitions. Second operand 4 states. [2020-09-25 06:40:59,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:40:59,450 INFO L93 Difference]: Finished difference Result 170 states and 179 transitions. [2020-09-25 06:40:59,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 06:40:59,450 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-09-25 06:40:59,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:40:59,453 INFO L225 Difference]: With dead ends: 170 [2020-09-25 06:40:59,453 INFO L226 Difference]: Without dead ends: 165 [2020-09-25 06:40:59,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:40:59,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-09-25 06:40:59,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2020-09-25 06:40:59,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-09-25 06:40:59,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 174 transitions. [2020-09-25 06:40:59,469 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 174 transitions. Word has length 25 [2020-09-25 06:40:59,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:40:59,470 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 174 transitions. [2020-09-25 06:40:59,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:40:59,470 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 174 transitions. [2020-09-25 06:40:59,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-25 06:40:59,471 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:40:59,472 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] [2020-09-25 06:40:59,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:40:59,472 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:40:59,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:40:59,473 INFO L82 PathProgramCache]: Analyzing trace with hash -155961871, now seen corresponding path program 1 times [2020-09-25 06:40:59,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:40:59,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1689262843] [2020-09-25 06:40:59,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:40:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:59,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:59,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:59,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:59,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 06:40:59,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:40:59,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 360 [2020-09-25 06:40:59,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:59,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:59,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 06:40:59,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 06:40:59,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:40:59,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:59,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:40:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:40:59,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:40:59,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:40:59,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:40:59,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:40:59,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:40:59,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:40:59,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:40:59,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:40:59,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:40:59,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:40:59,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:40:59,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:40:59,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1689262843] [2020-09-25 06:40:59,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:40:59,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 06:40:59,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96657404] [2020-09-25 06:40:59,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 06:40:59,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:40:59,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 06:40:59,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 06:40:59,930 INFO L87 Difference]: Start difference. First operand 165 states and 174 transitions. Second operand 6 states. [2020-09-25 06:41:00,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:41:00,346 INFO L93 Difference]: Finished difference Result 262 states and 277 transitions. [2020-09-25 06:41:00,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 06:41:00,347 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-09-25 06:41:00,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:41:00,350 INFO L225 Difference]: With dead ends: 262 [2020-09-25 06:41:00,350 INFO L226 Difference]: Without dead ends: 257 [2020-09-25 06:41:00,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-09-25 06:41:00,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-09-25 06:41:00,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 170. [2020-09-25 06:41:00,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-09-25 06:41:00,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 180 transitions. [2020-09-25 06:41:00,366 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 180 transitions. Word has length 27 [2020-09-25 06:41:00,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:41:00,367 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 180 transitions. [2020-09-25 06:41:00,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 06:41:00,367 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 180 transitions. [2020-09-25 06:41:00,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 06:41:00,369 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:00,369 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] [2020-09-25 06:41:00,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:41:00,370 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:00,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:00,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1500955686, now seen corresponding path program 1 times [2020-09-25 06:41:00,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:00,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [208561461] [2020-09-25 06:41:00,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:00,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:00,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:00,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:00,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:01,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:01,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 06:41:01,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:41:01,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 629 [2020-09-25 06:41:01,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:01,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 06:41:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 06:41:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 06:41:01,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:01,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:41:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:01,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:01,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:01,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:41:01,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:01,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 06:41:01,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:01,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:01,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:41:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:41:01,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:01,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:41:01,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [208561461] [2020-09-25 06:41:01,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:41:01,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 06:41:01,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814486607] [2020-09-25 06:41:01,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 06:41:01,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:41:01,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 06:41:01,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 06:41:01,097 INFO L87 Difference]: Start difference. First operand 170 states and 180 transitions. Second operand 6 states. [2020-09-25 06:41:01,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:41:01,414 INFO L93 Difference]: Finished difference Result 278 states and 294 transitions. [2020-09-25 06:41:01,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 06:41:01,414 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-09-25 06:41:01,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:41:01,417 INFO L225 Difference]: With dead ends: 278 [2020-09-25 06:41:01,417 INFO L226 Difference]: Without dead ends: 246 [2020-09-25 06:41:01,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 06:41:01,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-09-25 06:41:01,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 169. [2020-09-25 06:41:01,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-09-25 06:41:01,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 179 transitions. [2020-09-25 06:41:01,449 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 179 transitions. Word has length 33 [2020-09-25 06:41:01,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:41:01,449 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 179 transitions. [2020-09-25 06:41:01,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 06:41:01,450 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 179 transitions. [2020-09-25 06:41:01,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-25 06:41:01,452 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:01,452 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:41:01,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:41:01,453 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:01,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:01,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1216115010, now seen corresponding path program 1 times [2020-09-25 06:41:01,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:01,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [220371255] [2020-09-25 06:41:01,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:01,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:01,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:02,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:02,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 06:41:02,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:41:02,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1502 [2020-09-25 06:41:02,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:02,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:02,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:41:02,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-25 06:41:02,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:41:02,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:03,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:41:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:03,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:03,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:03,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:41:03,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:03,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:41:03,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:03,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:03,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:41:03,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:03,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:41:03,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:03,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:41:03,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [220371255] [2020-09-25 06:41:03,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:41:03,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 06:41:03,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47009710] [2020-09-25 06:41:03,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 06:41:03,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:41:03,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 06:41:03,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-25 06:41:03,132 INFO L87 Difference]: Start difference. First operand 169 states and 179 transitions. Second operand 8 states. [2020-09-25 06:41:03,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:41:03,807 INFO L93 Difference]: Finished difference Result 255 states and 270 transitions. [2020-09-25 06:41:03,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 06:41:03,807 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2020-09-25 06:41:03,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:41:03,809 INFO L225 Difference]: With dead ends: 255 [2020-09-25 06:41:03,809 INFO L226 Difference]: Without dead ends: 250 [2020-09-25 06:41:03,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-09-25 06:41:03,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-09-25 06:41:03,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 158. [2020-09-25 06:41:03,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-09-25 06:41:03,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 167 transitions. [2020-09-25 06:41:03,819 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 167 transitions. Word has length 34 [2020-09-25 06:41:03,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:41:03,820 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 167 transitions. [2020-09-25 06:41:03,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 06:41:03,820 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 167 transitions. [2020-09-25 06:41:03,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-25 06:41:03,822 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:03,822 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:41:03,823 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 06:41:03,823 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:03,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:03,824 INFO L82 PathProgramCache]: Analyzing trace with hash 125861883, now seen corresponding path program 1 times [2020-09-25 06:41:03,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:03,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [842179535] [2020-09-25 06:41:03,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:03,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:03,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:03,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:04,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:04,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:06,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:06,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-25 06:41:06,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:41:06,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2324 [2020-09-25 06:41:06,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:06,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:06,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 06:41:06,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 06:41:06,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 06:41:06,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:41:06,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:41:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:06,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:06,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:06,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:41:06,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:06,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:41:06,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:06,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:06,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:41:06,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:06,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:41:06,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:06,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:41:06,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [842179535] [2020-09-25 06:41:06,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:41:06,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 06:41:06,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533493808] [2020-09-25 06:41:06,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 06:41:06,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:41:06,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 06:41:06,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 06:41:06,251 INFO L87 Difference]: Start difference. First operand 158 states and 167 transitions. Second operand 6 states. [2020-09-25 06:41:06,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:41:06,630 INFO L93 Difference]: Finished difference Result 374 states and 396 transitions. [2020-09-25 06:41:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:41:06,631 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-09-25 06:41:06,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:41:06,634 INFO L225 Difference]: With dead ends: 374 [2020-09-25 06:41:06,634 INFO L226 Difference]: Without dead ends: 247 [2020-09-25 06:41:06,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 06:41:06,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-09-25 06:41:06,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 161. [2020-09-25 06:41:06,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-09-25 06:41:06,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 170 transitions. [2020-09-25 06:41:06,646 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 170 transitions. Word has length 40 [2020-09-25 06:41:06,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:41:06,648 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 170 transitions. [2020-09-25 06:41:06,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 06:41:06,649 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 170 transitions. [2020-09-25 06:41:06,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-09-25 06:41:06,655 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:06,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:41:06,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 06:41:06,656 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:06,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:06,657 INFO L82 PathProgramCache]: Analyzing trace with hash -2091807586, now seen corresponding path program 1 times [2020-09-25 06:41:06,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:06,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [259401742] [2020-09-25 06:41:06,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:06,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:06,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:06,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:07,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:07,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-25 06:41:07,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:41:07,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1252 [2020-09-25 06:41:07,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:07,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:07,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 06:41:07,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 06:41:07,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-25 06:41:07,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:08,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:41:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:08,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:08,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:08,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:41:08,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:08,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:41:08,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:08,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:41:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:41:08,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:41:08,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [259401742] [2020-09-25 06:41:08,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:41:08,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 06:41:08,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16575095] [2020-09-25 06:41:08,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 06:41:08,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:41:08,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 06:41:08,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 06:41:08,056 INFO L87 Difference]: Start difference. First operand 161 states and 170 transitions. Second operand 10 states. [2020-09-25 06:41:08,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:41:08,496 INFO L93 Difference]: Finished difference Result 232 states and 245 transitions. [2020-09-25 06:41:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 06:41:08,497 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 42 [2020-09-25 06:41:08,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:41:08,498 INFO L225 Difference]: With dead ends: 232 [2020-09-25 06:41:08,499 INFO L226 Difference]: Without dead ends: 228 [2020-09-25 06:41:08,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-09-25 06:41:08,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-09-25 06:41:08,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 157. [2020-09-25 06:41:08,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-09-25 06:41:08,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 166 transitions. [2020-09-25 06:41:08,507 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 166 transitions. Word has length 42 [2020-09-25 06:41:08,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:41:08,508 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 166 transitions. [2020-09-25 06:41:08,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 06:41:08,508 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 166 transitions. [2020-09-25 06:41:08,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-25 06:41:08,509 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:08,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:41:08,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 06:41:08,510 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:08,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:08,511 INFO L82 PathProgramCache]: Analyzing trace with hash 654436304, now seen corresponding path program 1 times [2020-09-25 06:41:08,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:08,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118130680] [2020-09-25 06:41:08,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:08,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:08,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:08,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 06:41:08,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:08,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 06:41:08,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:08,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:08,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:41:08,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 06:41:08,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:41:08,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:08,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:41:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:08,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:08,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:08,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:41:08,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:08,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:41:08,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:08,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:41:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:08,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:41:08,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:41:08,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [118130680] [2020-09-25 06:41:08,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:41:08,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:41:08,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256197952] [2020-09-25 06:41:08,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:41:08,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:41:08,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:41:08,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:41:08,675 INFO L87 Difference]: Start difference. First operand 157 states and 166 transitions. Second operand 4 states. [2020-09-25 06:41:08,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:41:08,914 INFO L93 Difference]: Finished difference Result 199 states and 212 transitions. [2020-09-25 06:41:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 06:41:08,914 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2020-09-25 06:41:08,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:41:08,918 INFO L225 Difference]: With dead ends: 199 [2020-09-25 06:41:08,918 INFO L226 Difference]: Without dead ends: 197 [2020-09-25 06:41:08,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:41:08,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-09-25 06:41:08,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 159. [2020-09-25 06:41:08,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-25 06:41:08,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 169 transitions. [2020-09-25 06:41:08,929 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 169 transitions. Word has length 43 [2020-09-25 06:41:08,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:41:08,930 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 169 transitions. [2020-09-25 06:41:08,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:41:08,930 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2020-09-25 06:41:08,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-09-25 06:41:08,935 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:08,936 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:41:08,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 06:41:08,937 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:08,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:08,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1847672787, now seen corresponding path program 1 times [2020-09-25 06:41:08,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:08,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425702792] [2020-09-25 06:41:08,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:08,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:09,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:09,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:09,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:09,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:09,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-25 06:41:09,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:41:09,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 829 [2020-09-25 06:41:09,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:09,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:09,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:41:09,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-25 06:41:09,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:41:09,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:09,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:41:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:09,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:09,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:09,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:41:09,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:09,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:41:09,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:09,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:09,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:41:09,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:09,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:41:09,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:09,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:41:09,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [425702792] [2020-09-25 06:41:09,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:41:09,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:41:09,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107502315] [2020-09-25 06:41:09,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:41:09,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:41:09,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:41:09,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:41:09,841 INFO L87 Difference]: Start difference. First operand 159 states and 169 transitions. Second operand 4 states. [2020-09-25 06:41:10,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:41:10,048 INFO L93 Difference]: Finished difference Result 159 states and 169 transitions. [2020-09-25 06:41:10,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 06:41:10,048 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2020-09-25 06:41:10,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:41:10,050 INFO L225 Difference]: With dead ends: 159 [2020-09-25 06:41:10,050 INFO L226 Difference]: Without dead ends: 157 [2020-09-25 06:41:10,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:41:10,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-09-25 06:41:10,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2020-09-25 06:41:10,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-09-25 06:41:10,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 167 transitions. [2020-09-25 06:41:10,056 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 167 transitions. Word has length 45 [2020-09-25 06:41:10,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:41:10,057 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 167 transitions. [2020-09-25 06:41:10,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:41:10,057 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2020-09-25 06:41:10,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-09-25 06:41:10,058 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:10,058 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:41:10,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-25 06:41:10,058 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:10,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:10,059 INFO L82 PathProgramCache]: Analyzing trace with hash 11890970, now seen corresponding path program 1 times [2020-09-25 06:41:10,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:10,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448910018] [2020-09-25 06:41:10,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:10,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:10,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:10,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:10,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:10,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:10,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:11,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:11,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 06:41:11,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 06:41:11,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1756 [2020-09-25 06:41:11,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:11,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:11,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:41:11,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 06:41:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 06:41:11,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:11,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:41:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:11,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:11,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:11,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:41:11,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:11,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:41:11,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:11,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:11,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:41:11,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:11,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:41:11,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:41:11,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448910018] [2020-09-25 06:41:11,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:41:11,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 06:41:11,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728177097] [2020-09-25 06:41:11,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 06:41:11,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:41:11,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 06:41:11,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:41:11,927 INFO L87 Difference]: Start difference. First operand 157 states and 167 transitions. Second operand 7 states. [2020-09-25 06:41:12,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:41:12,407 INFO L93 Difference]: Finished difference Result 346 states and 370 transitions. [2020-09-25 06:41:12,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 06:41:12,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2020-09-25 06:41:12,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:41:12,409 INFO L225 Difference]: With dead ends: 346 [2020-09-25 06:41:12,409 INFO L226 Difference]: Without dead ends: 279 [2020-09-25 06:41:12,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-09-25 06:41:12,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-09-25 06:41:12,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 178. [2020-09-25 06:41:12,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-09-25 06:41:12,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 189 transitions. [2020-09-25 06:41:12,421 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 189 transitions. Word has length 49 [2020-09-25 06:41:12,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:41:12,422 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 189 transitions. [2020-09-25 06:41:12,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 06:41:12,422 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 189 transitions. [2020-09-25 06:41:12,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-25 06:41:12,424 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:12,425 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:41:12,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-25 06:41:12,425 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:12,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:12,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1643041774, now seen corresponding path program 1 times [2020-09-25 06:41:12,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:12,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1640378015] [2020-09-25 06:41:12,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:12,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:12,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:13,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:13,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:15,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:15,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:15,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-25 06:41:15,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:41:15,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3259 [2020-09-25 06:41:15,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:15,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:15,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 06:41:15,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 06:41:15,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 06:41:15,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:16,157 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-09-25 06:41:16,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:41:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:16,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:16,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:16,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:41:16,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:16,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:41:16,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:16,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:16,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:41:16,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:16,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:41:16,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:16,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:41:16,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1640378015] [2020-09-25 06:41:16,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:41:16,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 06:41:16,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208615651] [2020-09-25 06:41:16,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 06:41:16,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:41:16,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 06:41:16,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2020-09-25 06:41:16,410 INFO L87 Difference]: Start difference. First operand 178 states and 189 transitions. Second operand 14 states. [2020-09-25 06:41:18,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:41:18,941 INFO L93 Difference]: Finished difference Result 611 states and 649 transitions. [2020-09-25 06:41:18,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-25 06:41:18,941 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2020-09-25 06:41:18,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:41:18,949 INFO L225 Difference]: With dead ends: 611 [2020-09-25 06:41:18,950 INFO L226 Difference]: Without dead ends: 608 [2020-09-25 06:41:18,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=287, Invalid=835, Unknown=0, NotChecked=0, Total=1122 [2020-09-25 06:41:18,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-09-25 06:41:18,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 198. [2020-09-25 06:41:18,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-09-25 06:41:18,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 212 transitions. [2020-09-25 06:41:18,974 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 212 transitions. Word has length 54 [2020-09-25 06:41:18,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:41:18,974 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 212 transitions. [2020-09-25 06:41:18,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 06:41:18,974 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 212 transitions. [2020-09-25 06:41:18,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-25 06:41:18,975 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:18,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:41:18,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-25 06:41:18,976 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:18,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:18,976 INFO L82 PathProgramCache]: Analyzing trace with hash 358720869, now seen corresponding path program 1 times [2020-09-25 06:41:18,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:18,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734353830] [2020-09-25 06:41:18,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:19,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:19,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:19,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:19,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:19,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:21,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:21,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-25 06:41:21,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:41:21,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2360 [2020-09-25 06:41:21,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:21,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:21,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:41:21,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-09-25 06:41:21,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:41:21,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:21,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:41:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:21,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:21,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:21,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:41:21,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:21,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:41:21,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:21,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:21,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:41:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:41:21,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:21,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-25 06:41:21,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734353830] [2020-09-25 06:41:21,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:41:21,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:41:21,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152185227] [2020-09-25 06:41:21,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:41:21,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:41:21,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:41:21,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:41:21,447 INFO L87 Difference]: Start difference. First operand 198 states and 212 transitions. Second operand 4 states. [2020-09-25 06:41:21,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:41:21,759 INFO L93 Difference]: Finished difference Result 206 states and 220 transitions. [2020-09-25 06:41:21,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 06:41:21,759 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-09-25 06:41:21,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:41:21,761 INFO L225 Difference]: With dead ends: 206 [2020-09-25 06:41:21,761 INFO L226 Difference]: Without dead ends: 204 [2020-09-25 06:41:21,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:41:21,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-09-25 06:41:21,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 196. [2020-09-25 06:41:21,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-09-25 06:41:21,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 210 transitions. [2020-09-25 06:41:21,775 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 210 transitions. Word has length 54 [2020-09-25 06:41:21,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:41:21,776 INFO L479 AbstractCegarLoop]: Abstraction has 196 states and 210 transitions. [2020-09-25 06:41:21,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:41:21,776 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 210 transitions. [2020-09-25 06:41:21,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-25 06:41:21,777 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:21,777 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:41:21,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-25 06:41:21,777 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:21,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:21,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1270543956, now seen corresponding path program 1 times [2020-09-25 06:41:21,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:21,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1732284766] [2020-09-25 06:41:21,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:21,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:21,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:22,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:22,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-09-25 06:41:22,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:41:22,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-09-25 06:41:22,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:22,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:22,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:41:22,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-25 06:41:22,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:41:22,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:41:22,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:41:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:41:22,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:41:22,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:41:22,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:41:22,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:41:22,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:41:22,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:41:22,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:41:22,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:41:22,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:41:22,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:41:22,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:41:22,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:41:22,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1732284766] [2020-09-25 06:41:22,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:41:22,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:41:22,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75800840] [2020-09-25 06:41:22,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:41:22,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:41:22,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:41:22,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:41:22,087 INFO L87 Difference]: Start difference. First operand 196 states and 210 transitions. Second operand 4 states. [2020-09-25 06:41:22,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:41:22,346 INFO L93 Difference]: Finished difference Result 202 states and 216 transitions. [2020-09-25 06:41:22,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 06:41:22,346 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2020-09-25 06:41:22,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:41:22,348 INFO L225 Difference]: With dead ends: 202 [2020-09-25 06:41:22,349 INFO L226 Difference]: Without dead ends: 197 [2020-09-25 06:41:22,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:41:22,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-09-25 06:41:22,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2020-09-25 06:41:22,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-09-25 06:41:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 211 transitions. [2020-09-25 06:41:22,359 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 211 transitions. Word has length 56 [2020-09-25 06:41:22,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:41:22,359 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 211 transitions. [2020-09-25 06:41:22,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:41:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 211 transitions. [2020-09-25 06:41:22,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 06:41:22,360 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:41:22,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:41:22,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-25 06:41:22,361 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:41:22,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:41:22,361 INFO L82 PathProgramCache]: Analyzing trace with hash 2002844954, now seen corresponding path program 1 times [2020-09-25 06:41:22,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:41:22,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1509709968] [2020-09-25 06:41:22,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:41:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 06:41:22,382 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 06:41:22,382 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 06:41:22,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-25 06:41:22,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 06:41:22 BoogieIcfgContainer [2020-09-25 06:41:22,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 06:41:22,415 INFO L168 Benchmark]: Toolchain (without parser) took 26697.47 ms. Allocated memory was 136.3 MB in the beginning and 503.8 MB in the end (delta: 367.5 MB). Free memory was 98.7 MB in the beginning and 448.9 MB in the end (delta: -350.1 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2020-09-25 06:41:22,416 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 06:41:22,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.38 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 98.1 MB in the beginning and 167.3 MB in the end (delta: -69.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-09-25 06:41:22,417 INFO L168 Benchmark]: Boogie Preprocessor took 88.45 ms. Allocated memory is still 200.3 MB. Free memory was 167.3 MB in the beginning and 164.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-09-25 06:41:22,418 INFO L168 Benchmark]: RCFGBuilder took 868.55 ms. Allocated memory is still 200.3 MB. Free memory was 164.4 MB in the beginning and 100.9 MB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 7.1 GB. [2020-09-25 06:41:22,419 INFO L168 Benchmark]: TraceAbstraction took 24993.40 ms. Allocated memory was 200.3 MB in the beginning and 503.8 MB in the end (delta: 303.6 MB). Free memory was 100.2 MB in the beginning and 448.9 MB in the end (delta: -348.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 06:41:22,422 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 738.38 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 98.1 MB in the beginning and 167.3 MB in the end (delta: -69.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.45 ms. Allocated memory is still 200.3 MB. Free memory was 167.3 MB in the beginning and 164.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 868.55 ms. Allocated memory is still 200.3 MB. Free memory was 164.4 MB in the beginning and 100.9 MB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24993.40 ms. Allocated memory was 200.3 MB in the beginning and 503.8 MB in the end (delta: 303.6 MB). Free memory was 100.2 MB in the beginning and 448.9 MB in the end (delta: -348.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1029]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L992] SLL* list = malloc(sizeof(SLL)); [L993] list->next = ((void*)0) [L994] list->prev = ((void*)0) [L995] COND FALSE !(!(list != ((void*)0))) [L995] COND FALSE !(__VERIFIER_nondet_int()) [L995] list->inner = malloc(sizeof(SLL)) [L995] EXPR list->inner [L995] list->inner->next = ((void*)0) [L995] EXPR list->inner [L995] list->inner->inner = ((void*)0) [L995] EXPR list->inner [L995] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) [L995] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L997] SLL* end = list; [L1000] COND FALSE !(__VERIFIER_nondet_int()) [L1011] end = ((void*)0) [L1012] end = list [L1015] COND FALSE !(!(((void*)0) != end)) [L1017] COND TRUE ((void*)0) != end [L1019] int len = 0; [L1020] EXPR end->inner [L1020] SLL* inner = end->inner; [L1021] COND TRUE ((void*)0) != inner [L1023] COND TRUE len == 0 [L1024] len = 1 [L1027] COND FALSE !(!(((void*)0) != inner)) [L1028] EXPR inner->inner [L1028] COND FALSE !(!(((void*)0) == inner->inner)) [L1029] EXPR inner->next [L1029] COND TRUE !(((void*)0) != inner->next) [L1029] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 171 locations, 13 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 24.8s, OverallIterations: 14, TraceHistogramMax: 1, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2069 SDtfs, 3303 SDslu, 5212 SDs, 0 SdLazy, 3908 SolverSat, 95 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred 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, 13 MinimizatonAttempts, 1000 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.9s InterpolantComputationTime, 573 NumberOfCodeBlocks, 573 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 502 ConstructedInterpolants, 0 QuantifiedInterpolants, 129706 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 1/1 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 incorrect! Received shutdown request...