/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=HIGHLEXORDER --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 [2020-09-24 22:44:35,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:44:35,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:44:35,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:44:35,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:44:35,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:44:35,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:44:35,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:44:35,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:44:35,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:44:35,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:44:35,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:44:35,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:44:35,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:44:35,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:44:35,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:44:35,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:44:35,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:44:35,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:44:35,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:44:35,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:44:35,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:44:35,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:44:35,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:44:35,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:44:35,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:44:35,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:44:35,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:44:35,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:44:35,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:44:35,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:44:35,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:44:35,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:44:35,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:44:35,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:44:35,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:44:35,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:44:35,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:44:35,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:44:35,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:44:35,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:44:35,218 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 [2020-09-24 22:44:35,258 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:44:35,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:44:35,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:44:35,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:44:35,261 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:44:35,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:44:35,261 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:44:35,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:44:35,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:44:35,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:44:35,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:44:35,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:44:35,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:44:35,263 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:44:35,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:44:35,263 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:44:35,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:44:35,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:44:35,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:44:35,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:44:35,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:44:35,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:44:35,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:44:35,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:44:35,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:44:35,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:44:35,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:44:35,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:44:35,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:44:35,266 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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:44:35,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:44:35,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:44:35,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:44:35,772 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:44:35,773 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:44:35,774 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-01-1.i [2020-09-24 22:44:35,865 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a754beec2/bac2b5e530f048e8a4a73fe7689ec700/FLAG62e9ebba0 [2020-09-24 22:44:36,484 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:44:36,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/forester-heap/dll-01-1.i [2020-09-24 22:44:36,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a754beec2/bac2b5e530f048e8a4a73fe7689ec700/FLAG62e9ebba0 [2020-09-24 22:44:36,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a754beec2/bac2b5e530f048e8a4a73fe7689ec700 [2020-09-24 22:44:36,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:44:36,758 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:44:36,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:44:36,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:44:36,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:44:36,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:44:36" (1/1) ... [2020-09-24 22:44:36,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7ca52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:36, skipping insertion in model container [2020-09-24 22:44:36,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:44:36" (1/1) ... [2020-09-24 22:44:36,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:44:36,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:44:37,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:44:37,407 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:44:37,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:44:37,526 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:44:37,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:37 WrapperNode [2020-09-24 22:44:37,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:44:37,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:44:37,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:44:37,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:44:37,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:37" (1/1) ... [2020-09-24 22:44:37,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:37" (1/1) ... [2020-09-24 22:44:37,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:37" (1/1) ... [2020-09-24 22:44:37,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:37" (1/1) ... [2020-09-24 22:44:37,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:37" (1/1) ... [2020-09-24 22:44:37,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:37" (1/1) ... [2020-09-24 22:44:37,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:37" (1/1) ... [2020-09-24 22:44:37,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:44:37,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:44:37,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:44:37,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:44:37,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:37" (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 [2020-09-24 22:44:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:44:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:44:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:44:37,699 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-24 22:44:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-24 22:44:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-24 22:44:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-24 22:44:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-24 22:44:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-24 22:44:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-24 22:44:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-24 22:44:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-24 22:44:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-24 22:44:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-24 22:44:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-24 22:44:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-24 22:44:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-24 22:44:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-24 22:44:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-24 22:44:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-24 22:44:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-24 22:44:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-24 22:44:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-24 22:44:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-24 22:44:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-24 22:44:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-24 22:44:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-24 22:44:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-24 22:44:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-24 22:44:37,705 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-24 22:44:37,705 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-24 22:44:37,705 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-24 22:44:37,705 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-24 22:44:37,705 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-24 22:44:37,705 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-24 22:44:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-24 22:44:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-24 22:44:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-24 22:44:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-24 22:44:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-24 22:44:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-24 22:44:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-24 22:44:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-24 22:44:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-24 22:44:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-24 22:44:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-24 22:44:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-24 22:44:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-24 22:44:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-24 22:44:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-24 22:44:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-24 22:44:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-24 22:44:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-24 22:44:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:44:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 22:44:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-24 22:44:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:44:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-24 22:44:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-24 22:44:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-24 22:44:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-24 22:44:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-24 22:44:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 22:44:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-24 22:44:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-24 22:44:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-24 22:44:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-24 22:44:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-24 22:44:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-24 22:44:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-24 22:44:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-24 22:44:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-24 22:44:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-24 22:44:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-24 22:44:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-24 22:44:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-24 22:44:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-24 22:44:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-24 22:44:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-24 22:44:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-24 22:44:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-24 22:44:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-24 22:44:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-24 22:44:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-24 22:44:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-24 22:44:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-24 22:44:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-24 22:44:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-24 22:44:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-24 22:44:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-24 22:44:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-24 22:44:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-24 22:44:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-24 22:44:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-24 22:44:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-24 22:44:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-24 22:44:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-24 22:44:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-24 22:44:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-24 22:44:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-24 22:44:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-24 22:44:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-24 22:44:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-24 22:44:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-24 22:44:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-24 22:44:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-24 22:44:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:44:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:44:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:44:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:44:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:44:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:44:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:44:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:44:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:44:38,475 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:44:38,475 INFO L295 CfgBuilder]: Removed 30 assume(true) statements. [2020-09-24 22:44:38,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:44:38 BoogieIcfgContainer [2020-09-24 22:44:38,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:44:38,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:44:38,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:44:38,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:44:38,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:44:36" (1/3) ... [2020-09-24 22:44:38,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465da551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:44:38, skipping insertion in model container [2020-09-24 22:44:38,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:37" (2/3) ... [2020-09-24 22:44:38,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465da551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:44:38, skipping insertion in model container [2020-09-24 22:44:38,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:44:38" (3/3) ... [2020-09-24 22:44:38,493 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-01-1.i [2020-09-24 22:44:38,506 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:44:38,517 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2020-09-24 22:44:38,541 INFO L251 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2020-09-24 22:44:38,575 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:44:38,575 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:44:38,575 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:44:38,576 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:44:38,576 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:44:38,576 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:44:38,576 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:44:38,576 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:44:38,605 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-09-24 22:44:38,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-24 22:44:38,614 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:44:38,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:44:38,616 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]=== [2020-09-24 22:44:38,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:44:38,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1409190174, now seen corresponding path program 1 times [2020-09-24 22:44:38,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:44:38,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1890834543] [2020-09-24 22:44:38,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:44:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:38,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:39,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:39,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 22:44:39,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:44:39,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 314 [2020-09-24 22:44:39,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:44:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 22:44:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:44:39,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 22:44:39,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:44:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:39,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:39,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:39,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:44:39,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:44:39,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 22:44:39,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:44:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:44:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:44:39,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:44:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:44:39,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1890834543] [2020-09-24 22:44:39,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:44:39,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 22:44:39,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594939221] [2020-09-24 22:44:39,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 22:44:39,288 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:44:39,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 22:44:39,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 22:44:39,310 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 5 states. [2020-09-24 22:44:39,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:44:39,764 INFO L93 Difference]: Finished difference Result 359 states and 475 transitions. [2020-09-24 22:44:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 22:44:39,766 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-09-24 22:44:39,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:44:39,791 INFO L225 Difference]: With dead ends: 359 [2020-09-24 22:44:39,791 INFO L226 Difference]: Without dead ends: 194 [2020-09-24 22:44:39,801 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 [2020-09-24 22:44:39,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-09-24 22:44:39,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 164. [2020-09-24 22:44:39,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-09-24 22:44:39,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 173 transitions. [2020-09-24 22:44:39,899 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 173 transitions. Word has length 13 [2020-09-24 22:44:39,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:44:39,900 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 173 transitions. [2020-09-24 22:44:39,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 22:44:39,900 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 173 transitions. [2020-09-24 22:44:39,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-09-24 22:44:39,901 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:44:39,901 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] [2020-09-24 22:44:39,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:44:39,902 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]=== [2020-09-24 22:44:39,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:44:39,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1469410252, now seen corresponding path program 1 times [2020-09-24 22:44:39,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:44:39,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335497598] [2020-09-24 22:44:39,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:44:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:39,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:40,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:40,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:40,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-24 22:44:40,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:44:40,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-09-24 22:44:40,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:40,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:44:40,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 22:44:40,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 22:44:40,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:44:40,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:44:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:40,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:40,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:40,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:44:40,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:44:40,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 22:44:40,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:40,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:44:40,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:44:40,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:44:40,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:44:40,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:44:40,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335497598] [2020-09-24 22:44:40,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:44:40,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 22:44:40,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329669061] [2020-09-24 22:44:40,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 22:44:40,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:44:40,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 22:44:40,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 22:44:40,310 INFO L87 Difference]: Start difference. First operand 164 states and 173 transitions. Second operand 4 states. [2020-09-24 22:44:40,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:44:40,601 INFO L93 Difference]: Finished difference Result 170 states and 179 transitions. [2020-09-24 22:44:40,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 22:44:40,601 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-09-24 22:44:40,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:44:40,604 INFO L225 Difference]: With dead ends: 170 [2020-09-24 22:44:40,604 INFO L226 Difference]: Without dead ends: 165 [2020-09-24 22:44:40,605 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 [2020-09-24 22:44:40,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-09-24 22:44:40,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2020-09-24 22:44:40,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-09-24 22:44:40,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 174 transitions. [2020-09-24 22:44:40,642 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 174 transitions. Word has length 25 [2020-09-24 22:44:40,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:44:40,646 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 174 transitions. [2020-09-24 22:44:40,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 22:44:40,647 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 174 transitions. [2020-09-24 22:44:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-24 22:44:40,648 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:44:40,648 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] [2020-09-24 22:44:40,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:44:40,648 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]=== [2020-09-24 22:44:40,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:44:40,649 INFO L82 PathProgramCache]: Analyzing trace with hash -155961871, now seen corresponding path program 1 times [2020-09-24 22:44:40,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:44:40,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1702913557] [2020-09-24 22:44:40,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:44:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:40,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:40,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:41,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:41,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 22:44:41,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:44:41,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 406 [2020-09-24 22:44:41,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:41,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:44:41,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 22:44:41,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 22:44:41,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:44:41,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:44:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:41,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:41,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:41,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:44:41,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:44:41,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:44:41,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:41,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:44:41,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:44:41,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:44:41,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:44:41,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:44:41,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1702913557] [2020-09-24 22:44:41,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:44:41,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 22:44:41,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272134190] [2020-09-24 22:44:41,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 22:44:41,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:44:41,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 22:44:41,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:44:41,243 INFO L87 Difference]: Start difference. First operand 165 states and 174 transitions. Second operand 8 states. [2020-09-24 22:44:41,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:44:41,771 INFO L93 Difference]: Finished difference Result 255 states and 270 transitions. [2020-09-24 22:44:41,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 22:44:41,771 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-09-24 22:44:41,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:44:41,774 INFO L225 Difference]: With dead ends: 255 [2020-09-24 22:44:41,774 INFO L226 Difference]: Without dead ends: 250 [2020-09-24 22:44:41,778 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-09-24 22:44:41,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-09-24 22:44:41,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 159. [2020-09-24 22:44:41,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-24 22:44:41,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 168 transitions. [2020-09-24 22:44:41,808 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 168 transitions. Word has length 27 [2020-09-24 22:44:41,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:44:41,808 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 168 transitions. [2020-09-24 22:44:41,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 22:44:41,808 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 168 transitions. [2020-09-24 22:44:41,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 22:44:41,810 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:44:41,811 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] [2020-09-24 22:44:41,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:44:41,812 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]=== [2020-09-24 22:44:41,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:44:41,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1500955686, now seen corresponding path program 1 times [2020-09-24 22:44:41,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:44:41,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035319274] [2020-09-24 22:44:41,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:44:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:41,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:41,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:41,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:41,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:42,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:42,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 22:44:42,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:44:42,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 616 [2020-09-24 22:44:42,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:42,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:44:42,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 22:44:42,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:44:42,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:44:42,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:44:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:42,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:42,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:42,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:44:42,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:44:42,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 22:44:42,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:42,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:44:42,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:44:42,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:44:42,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:44:42,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:44:42,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035319274] [2020-09-24 22:44:42,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:44:42,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:44:42,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347767442] [2020-09-24 22:44:42,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:44:42,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:44:42,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:44:42,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:44:42,535 INFO L87 Difference]: Start difference. First operand 159 states and 168 transitions. Second operand 6 states. [2020-09-24 22:44:43,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:44:43,025 INFO L93 Difference]: Finished difference Result 377 states and 399 transitions. [2020-09-24 22:44:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 22:44:43,026 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-09-24 22:44:43,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:44:43,028 INFO L225 Difference]: With dead ends: 377 [2020-09-24 22:44:43,029 INFO L226 Difference]: Without dead ends: 249 [2020-09-24 22:44:43,030 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 [2020-09-24 22:44:43,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-09-24 22:44:43,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 162. [2020-09-24 22:44:43,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-09-24 22:44:43,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 171 transitions. [2020-09-24 22:44:43,057 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 171 transitions. Word has length 33 [2020-09-24 22:44:43,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:44:43,058 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 171 transitions. [2020-09-24 22:44:43,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:44:43,058 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 171 transitions. [2020-09-24 22:44:43,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-24 22:44:43,063 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:44:43,064 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] [2020-09-24 22:44:43,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 22:44:43,064 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]=== [2020-09-24 22:44:43,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:44:43,065 INFO L82 PathProgramCache]: Analyzing trace with hash -820684573, now seen corresponding path program 1 times [2020-09-24 22:44:43,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:44:43,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1906231311] [2020-09-24 22:44:43,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:44:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:43,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:43,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:43,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:43,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-24 22:44:43,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:44:43,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-09-24 22:44:43,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:43,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:44:43,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 22:44:43,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 22:44:43,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:44:43,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:44:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:43,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:43,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:43,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:44:43,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:44:43,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:44:43,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:43,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:44:43,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:44:43,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:44:43,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:44:43,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:44:43,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1906231311] [2020-09-24 22:44:43,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:44:43,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 22:44:43,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114006563] [2020-09-24 22:44:43,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 22:44:43,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:44:43,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 22:44:43,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 22:44:43,443 INFO L87 Difference]: Start difference. First operand 162 states and 171 transitions. Second operand 5 states. [2020-09-24 22:44:43,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:44:43,789 INFO L93 Difference]: Finished difference Result 192 states and 204 transitions. [2020-09-24 22:44:43,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 22:44:43,790 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-09-24 22:44:43,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:44:43,791 INFO L225 Difference]: With dead ends: 192 [2020-09-24 22:44:43,791 INFO L226 Difference]: Without dead ends: 158 [2020-09-24 22:44:43,792 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 [2020-09-24 22:44:43,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-09-24 22:44:43,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2020-09-24 22:44:43,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-09-24 22:44:43,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 166 transitions. [2020-09-24 22:44:43,799 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 166 transitions. Word has length 35 [2020-09-24 22:44:43,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:44:43,800 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 166 transitions. [2020-09-24 22:44:43,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 22:44:43,800 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 166 transitions. [2020-09-24 22:44:43,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-09-24 22:44:43,801 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:44:43,802 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] [2020-09-24 22:44:43,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 22:44:43,802 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]=== [2020-09-24 22:44:43,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:44:43,802 INFO L82 PathProgramCache]: Analyzing trace with hash -2091807586, now seen corresponding path program 1 times [2020-09-24 22:44:43,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:44:43,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1733145477] [2020-09-24 22:44:43,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:44:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:43,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:43,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:44,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:45,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:45,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-24 22:44:45,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:44:45,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1538 [2020-09-24 22:44:45,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:45,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:44:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-09-24 22:44:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 22:44:45,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:44:45,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:44:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:45,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:45,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:45,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:44:45,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:44:45,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:44:45,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:45,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:44:45,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:44:45,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:44:45,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:44:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:44:45,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1733145477] [2020-09-24 22:44:45,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:44:45,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:44:45,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56876282] [2020-09-24 22:44:45,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:44:45,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:44:45,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:44:45,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:44:45,659 INFO L87 Difference]: Start difference. First operand 157 states and 166 transitions. Second operand 9 states. [2020-09-24 22:44:46,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:44:46,560 INFO L93 Difference]: Finished difference Result 238 states and 252 transitions. [2020-09-24 22:44:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 22:44:46,561 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2020-09-24 22:44:46,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:44:46,565 INFO L225 Difference]: With dead ends: 238 [2020-09-24 22:44:46,565 INFO L226 Difference]: Without dead ends: 236 [2020-09-24 22:44:46,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2020-09-24 22:44:46,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-09-24 22:44:46,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 155. [2020-09-24 22:44:46,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-09-24 22:44:46,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 164 transitions. [2020-09-24 22:44:46,573 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 164 transitions. Word has length 42 [2020-09-24 22:44:46,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:44:46,574 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 164 transitions. [2020-09-24 22:44:46,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:44:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 164 transitions. [2020-09-24 22:44:46,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 22:44:46,580 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:44:46,581 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] [2020-09-24 22:44:46,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 22:44:46,582 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]=== [2020-09-24 22:44:46,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:44:46,582 INFO L82 PathProgramCache]: Analyzing trace with hash 654436304, now seen corresponding path program 1 times [2020-09-24 22:44:46,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:44:46,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020285281] [2020-09-24 22:44:46,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:44:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:46,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:46,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:46,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 22:44:46,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:44:46,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-24 22:44:46,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:44:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 22:44:46,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 22:44:46,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:44:46,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:44:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:46,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:46,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:46,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:44:46,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:44:46,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:44:46,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:46,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:44:46,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:44:46,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:44:46,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:44:46,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:44:46,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020285281] [2020-09-24 22:44:46,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:44:46,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 22:44:46,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512713722] [2020-09-24 22:44:46,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 22:44:46,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:44:46,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 22:44:46,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 22:44:46,745 INFO L87 Difference]: Start difference. First operand 155 states and 164 transitions. Second operand 4 states. [2020-09-24 22:44:46,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:44:46,966 INFO L93 Difference]: Finished difference Result 195 states and 208 transitions. [2020-09-24 22:44:46,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 22:44:46,967 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2020-09-24 22:44:46,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:44:46,968 INFO L225 Difference]: With dead ends: 195 [2020-09-24 22:44:46,968 INFO L226 Difference]: Without dead ends: 193 [2020-09-24 22:44:46,969 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 [2020-09-24 22:44:46,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-09-24 22:44:46,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 157. [2020-09-24 22:44:46,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-09-24 22:44:46,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 167 transitions. [2020-09-24 22:44:46,977 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 167 transitions. Word has length 43 [2020-09-24 22:44:46,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:44:46,977 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 167 transitions. [2020-09-24 22:44:46,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 22:44:46,978 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2020-09-24 22:44:46,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-09-24 22:44:46,982 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:44:46,983 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] [2020-09-24 22:44:46,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 22:44:46,983 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]=== [2020-09-24 22:44:46,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:44:46,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1847672787, now seen corresponding path program 1 times [2020-09-24 22:44:46,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:44:46,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400489046] [2020-09-24 22:44:46,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:44:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:47,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:47,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:47,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:47,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:47,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:47,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-24 22:44:47,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:44:47,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 890 [2020-09-24 22:44:47,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:47,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:44:47,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-24 22:44:47,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:44:47,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:44:47,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:44:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:47,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:47,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:47,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:44:47,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:44:47,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:44:47,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:44:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:44:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:44:47,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:44:47,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:44:47,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400489046] [2020-09-24 22:44:47,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:44:47,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 22:44:47,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494747338] [2020-09-24 22:44:47,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 22:44:47,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:44:47,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 22:44:47,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 22:44:47,958 INFO L87 Difference]: Start difference. First operand 157 states and 167 transitions. Second operand 4 states. [2020-09-24 22:44:48,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:44:48,181 INFO L93 Difference]: Finished difference Result 157 states and 167 transitions. [2020-09-24 22:44:48,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 22:44:48,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2020-09-24 22:44:48,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:44:48,184 INFO L225 Difference]: With dead ends: 157 [2020-09-24 22:44:48,184 INFO L226 Difference]: Without dead ends: 155 [2020-09-24 22:44:48,186 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 [2020-09-24 22:44:48,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-09-24 22:44:48,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2020-09-24 22:44:48,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-09-24 22:44:48,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 165 transitions. [2020-09-24 22:44:48,195 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 165 transitions. Word has length 45 [2020-09-24 22:44:48,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:44:48,196 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 165 transitions. [2020-09-24 22:44:48,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 22:44:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2020-09-24 22:44:48,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-09-24 22:44:48,198 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:44:48,199 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] [2020-09-24 22:44:48,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 22:44:48,200 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]=== [2020-09-24 22:44:48,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:44:48,200 INFO L82 PathProgramCache]: Analyzing trace with hash 11890970, now seen corresponding path program 1 times [2020-09-24 22:44:48,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:44:48,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1677904071] [2020-09-24 22:44:48,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:44:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:48,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:48,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:48,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:48,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:48,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:48,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:50,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:50,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 22:44:50,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 22:44:50,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1843 [2020-09-24 22:44:50,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:44:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-24 22:44:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 22:44:50,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:44:50,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:44:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:50,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:50,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:50,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:44:50,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:44:50,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:44:50,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:50,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:44:50,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:44:50,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:44:50,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:44:50,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:44:50,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1677904071] [2020-09-24 22:44:50,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:44:50,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:44:50,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488738389] [2020-09-24 22:44:50,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:44:50,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:44:50,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:44:50,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:44:50,224 INFO L87 Difference]: Start difference. First operand 155 states and 165 transitions. Second operand 9 states. [2020-09-24 22:44:50,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:44:50,824 INFO L93 Difference]: Finished difference Result 341 states and 365 transitions. [2020-09-24 22:44:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 22:44:50,824 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2020-09-24 22:44:50,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:44:50,827 INFO L225 Difference]: With dead ends: 341 [2020-09-24 22:44:50,827 INFO L226 Difference]: Without dead ends: 276 [2020-09-24 22:44:50,828 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2020-09-24 22:44:50,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-24 22:44:50,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 174. [2020-09-24 22:44:50,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-09-24 22:44:50,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 185 transitions. [2020-09-24 22:44:50,839 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 185 transitions. Word has length 49 [2020-09-24 22:44:50,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:44:50,840 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 185 transitions. [2020-09-24 22:44:50,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:44:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 185 transitions. [2020-09-24 22:44:50,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-24 22:44:50,841 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:44:50,841 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] [2020-09-24 22:44:50,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 22:44:50,842 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]=== [2020-09-24 22:44:50,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:44:50,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1643041774, now seen corresponding path program 1 times [2020-09-24 22:44:50,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:44:50,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648300168] [2020-09-24 22:44:50,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:44:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:50,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:51,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:51,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:51,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:53,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:54,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:54,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-24 22:44:54,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:44:54,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3409 [2020-09-24 22:44:54,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:44:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 22:44:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 22:44:54,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:44:54,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:44:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:54,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:54,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:54,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:44:54,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:44:54,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:44:54,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:54,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:44:54,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:44:54,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:44:54,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:44:54,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:44:54,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648300168] [2020-09-24 22:44:54,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:44:54,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:44:54,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636858800] [2020-09-24 22:44:54,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:44:54,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:44:54,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:44:54,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:44:54,601 INFO L87 Difference]: Start difference. First operand 174 states and 185 transitions. Second operand 10 states. [2020-09-24 22:44:55,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:44:55,945 INFO L93 Difference]: Finished difference Result 331 states and 354 transitions. [2020-09-24 22:44:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 22:44:55,946 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-09-24 22:44:55,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:44:55,948 INFO L225 Difference]: With dead ends: 331 [2020-09-24 22:44:55,948 INFO L226 Difference]: Without dead ends: 328 [2020-09-24 22:44:55,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2020-09-24 22:44:55,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-09-24 22:44:55,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 194. [2020-09-24 22:44:55,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-09-24 22:44:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 208 transitions. [2020-09-24 22:44:55,961 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 208 transitions. Word has length 54 [2020-09-24 22:44:55,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:44:55,962 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 208 transitions. [2020-09-24 22:44:55,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:44:55,962 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 208 transitions. [2020-09-24 22:44:55,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-24 22:44:55,963 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:44:55,963 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] [2020-09-24 22:44:55,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 22:44:55,963 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]=== [2020-09-24 22:44:55,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:44:55,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1270543956, now seen corresponding path program 1 times [2020-09-24 22:44:55,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:44:55,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934664141] [2020-09-24 22:44:55,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:44:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:55,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:56,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:56,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:56,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-09-24 22:44:56,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:44:56,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-09-24 22:44:56,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:56,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:44:56,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-24 22:44:56,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 22:44:56,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:44:56,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:44:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:56,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:56,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:56,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:44:56,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:44:56,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:44:56,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:56,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:44:56,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:44:56,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:44:56,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:44:56,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:44:56,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934664141] [2020-09-24 22:44:56,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:44:56,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 22:44:56,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336425151] [2020-09-24 22:44:56,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 22:44:56,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:44:56,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 22:44:56,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 22:44:56,298 INFO L87 Difference]: Start difference. First operand 194 states and 208 transitions. Second operand 4 states. [2020-09-24 22:44:56,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:44:56,515 INFO L93 Difference]: Finished difference Result 200 states and 214 transitions. [2020-09-24 22:44:56,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 22:44:56,516 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2020-09-24 22:44:56,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:44:56,518 INFO L225 Difference]: With dead ends: 200 [2020-09-24 22:44:56,518 INFO L226 Difference]: Without dead ends: 195 [2020-09-24 22:44:56,519 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 [2020-09-24 22:44:56,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-09-24 22:44:56,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2020-09-24 22:44:56,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-09-24 22:44:56,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 209 transitions. [2020-09-24 22:44:56,530 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 209 transitions. Word has length 56 [2020-09-24 22:44:56,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:44:56,530 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 209 transitions. [2020-09-24 22:44:56,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 22:44:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 209 transitions. [2020-09-24 22:44:56,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 22:44:56,531 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:44:56,531 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] [2020-09-24 22:44:56,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 22:44:56,532 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]=== [2020-09-24 22:44:56,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:44:56,532 INFO L82 PathProgramCache]: Analyzing trace with hash 2002844954, now seen corresponding path program 1 times [2020-09-24 22:44:56,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:44:56,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1903282979] [2020-09-24 22:44:56,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:44:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 22:44:56,553 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 22:44:56,553 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 22:44:56,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 22:44:56,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 10:44:56 BoogieIcfgContainer [2020-09-24 22:44:56,581 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 22:44:56,585 INFO L168 Benchmark]: Toolchain (without parser) took 19830.63 ms. Allocated memory was 140.0 MB in the beginning and 391.1 MB in the end (delta: 251.1 MB). Free memory was 102.3 MB in the beginning and 122.8 MB in the end (delta: -20.6 MB). Peak memory consumption was 230.6 MB. Max. memory is 7.1 GB. [2020-09-24 22:44:56,586 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 22:44:56,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.74 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 169.9 MB in the end (delta: -68.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-09-24 22:44:56,587 INFO L168 Benchmark]: Boogie Preprocessor took 92.86 ms. Allocated memory is still 203.4 MB. Free memory was 169.9 MB in the beginning and 166.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-09-24 22:44:56,588 INFO L168 Benchmark]: RCFGBuilder took 861.72 ms. Allocated memory is still 203.4 MB. Free memory was 166.5 MB in the beginning and 103.3 MB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 7.1 GB. [2020-09-24 22:44:56,589 INFO L168 Benchmark]: TraceAbstraction took 18097.33 ms. Allocated memory was 203.4 MB in the beginning and 391.1 MB in the end (delta: 187.7 MB). Free memory was 102.6 MB in the beginning and 122.8 MB in the end (delta: -20.2 MB). Peak memory consumption was 167.5 MB. Max. memory is 7.1 GB. [2020-09-24 22:44:56,593 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 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 764.74 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 169.9 MB in the end (delta: -68.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.86 ms. Allocated memory is still 203.4 MB. Free memory was 169.9 MB in the beginning and 166.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 861.72 ms. Allocated memory is still 203.4 MB. Free memory was 166.5 MB in the beginning and 103.3 MB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18097.33 ms. Allocated memory was 203.4 MB in the beginning and 391.1 MB in the end (delta: 187.7 MB). Free memory was 102.6 MB in the beginning and 122.8 MB in the end (delta: -20.2 MB). Peak memory consumption was 167.5 MB. 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: 17.9s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1738 SDtfs, 1886 SDslu, 3858 SDs, 0 SdLazy, 3074 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred 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, 11 MinimizatonAttempts, 562 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 480 NumberOfCodeBlocks, 480 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 411 ConstructedInterpolants, 0 QuantifiedInterpolants, 162634 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 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...