/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=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:07:22,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:07:22,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:07:22,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:07:22,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:07:22,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:07:22,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:07:22,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:07:22,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:07:22,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:07:22,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:07:22,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:07:22,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:07:22,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:07:22,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:07:22,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:07:22,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:07:22,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:07:22,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:07:22,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:07:22,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:07:22,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:07:22,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:07:22,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:07:22,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 02:07:22,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 02:07:22,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 02:07:22,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 02:07:22,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 02:07:22,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 02:07:22,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 02:07:22,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 02:07:22,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 02:07:22,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 02:07:22,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 02:07:22,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 02:07:22,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 02:07:22,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 02:07:22,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 02:07:22,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 02:07:22,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 02:07:22,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 02:07:22,306 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:07:22,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:07:22,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:07:22,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:07:22,308 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:07:22,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:07:22,310 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 02:07:22,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:07:22,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 02:07:22,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:07:22,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:07:22,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:07:22,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:07:22,312 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 02:07:22,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:07:22,312 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:07:22,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:07:22,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:07:22,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:07:22,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:07:22,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:07:22,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:07:22,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:07:22,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:07:22,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:07:22,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:07:22,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:07:22,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:07:22,316 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:07:22,316 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true; [2020-09-25 02:07:22,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:07:22,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:07:22,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:07:22,842 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:07:22,842 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:07:22,844 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-01-1.i [2020-09-25 02:07:22,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3cfa54351/52ca3d460dab46399ac606da61d23cc6/FLAGdcf4ac149 [2020-09-25 02:07:23,651 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:07:23,652 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/forester-heap/dll-01-1.i [2020-09-25 02:07:23,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3cfa54351/52ca3d460dab46399ac606da61d23cc6/FLAGdcf4ac149 [2020-09-25 02:07:23,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3cfa54351/52ca3d460dab46399ac606da61d23cc6 [2020-09-25 02:07:23,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:07:23,903 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:07:23,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:07:23,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:07:23,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:07:23,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:07:23" (1/1) ... [2020-09-25 02:07:23,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:23, skipping insertion in model container [2020-09-25 02:07:23,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:07:23" (1/1) ... [2020-09-25 02:07:23,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:07:23,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:07:24,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:07:24,533 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 02:07:24,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:07:24,689 INFO L208 MainTranslator]: Completed translation [2020-09-25 02:07:24,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:24 WrapperNode [2020-09-25 02:07:24,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:07:24,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 02:07:24,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 02:07:24,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 02:07:24,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:24" (1/1) ... [2020-09-25 02:07:24,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:24" (1/1) ... [2020-09-25 02:07:24,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:24" (1/1) ... [2020-09-25 02:07:24,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:24" (1/1) ... [2020-09-25 02:07:24,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:24" (1/1) ... [2020-09-25 02:07:24,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:24" (1/1) ... [2020-09-25 02:07:24,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:24" (1/1) ... [2020-09-25 02:07:24,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 02:07:24,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 02:07:24,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 02:07:24,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 02:07:24,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:07:24,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 02:07:24,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 02:07:24,875 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 02:07:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 02:07:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 02:07:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 02:07:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 02:07:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 02:07:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 02:07:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 02:07:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 02:07:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 02:07:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 02:07:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 02:07:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 02:07:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 02:07:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 02:07:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 02:07:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 02:07:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 02:07:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 02:07:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 02:07:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 02:07:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 02:07:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 02:07:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 02:07:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 02:07:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 02:07:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 02:07:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 02:07:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 02:07:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 02:07:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 02:07:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 02:07:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 02:07:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 02:07:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 02:07:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 02:07:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 02:07:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 02:07:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 02:07:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 02:07:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 02:07:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 02:07:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 02:07:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 02:07:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 02:07:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 02:07:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 02:07:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 02:07:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 02:07:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 02:07:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 02:07:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 02:07:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 02:07:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 02:07:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 02:07:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 02:07:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 02:07:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 02:07:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 02:07:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-25 02:07:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 02:07:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 02:07:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-25 02:07:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 02:07:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 02:07:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-25 02:07:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 02:07:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 02:07:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 02:07:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 02:07:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 02:07:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 02:07:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 02:07:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 02:07:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 02:07:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 02:07:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 02:07:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 02:07:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 02:07:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 02:07:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 02:07:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 02:07:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 02:07:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 02:07:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 02:07:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 02:07:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 02:07:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 02:07:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 02:07:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 02:07:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 02:07:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 02:07:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 02:07:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 02:07:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 02:07:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 02:07:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 02:07:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 02:07:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 02:07:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 02:07:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 02:07:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 02:07:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 02:07:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 02:07:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 02:07:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 02:07:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 02:07:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 02:07:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 02:07:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 02:07:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 02:07:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 02:07:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 02:07:25,734 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 02:07:25,734 INFO L295 CfgBuilder]: Removed 30 assume(true) statements. [2020-09-25 02:07:25,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:07:25 BoogieIcfgContainer [2020-09-25 02:07:25,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 02:07:25,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 02:07:25,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 02:07:25,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 02:07:25,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:07:23" (1/3) ... [2020-09-25 02:07:25,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b2d976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:07:25, skipping insertion in model container [2020-09-25 02:07:25,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:07:24" (2/3) ... [2020-09-25 02:07:25,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b2d976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:07:25, skipping insertion in model container [2020-09-25 02:07:25,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:07:25" (3/3) ... [2020-09-25 02:07:25,762 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-01-1.i [2020-09-25 02:07:25,774 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 02:07:25,783 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2020-09-25 02:07:25,806 INFO L251 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2020-09-25 02:07:25,837 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 02:07:25,837 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 02:07:25,838 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 02:07:25,838 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 02:07:25,838 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 02:07:25,838 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 02:07:25,838 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 02:07:25,838 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 02:07:25,872 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-09-25 02:07:25,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-25 02:07:25,881 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:07:25,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:07:25,883 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:07:25,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:07:25,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1409190174, now seen corresponding path program 1 times [2020-09-25 02:07:25,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:07:25,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [995997201] [2020-09-25 02:07:25,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:07:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:26,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:26,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:26,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 02:07:26,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:26,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-25 02:07:26,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:26,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 02:07:26,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 02:07:26,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:07:26,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 02:07:26,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:07:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:26,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:26,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:26,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:07:26,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:26,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 02:07:26,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:26,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:26,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:07:26,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:26,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:26,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:07:26,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [995997201] [2020-09-25 02:07:26,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:07:26,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 02:07:26,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205111725] [2020-09-25 02:07:26,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 02:07:26,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:07:26,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 02:07:26,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 02:07:26,512 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 5 states. [2020-09-25 02:07:26,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:07:26,918 INFO L93 Difference]: Finished difference Result 359 states and 475 transitions. [2020-09-25 02:07:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 02:07:26,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-09-25 02:07:26,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:07:26,936 INFO L225 Difference]: With dead ends: 359 [2020-09-25 02:07:26,936 INFO L226 Difference]: Without dead ends: 194 [2020-09-25 02:07:26,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 02:07:26,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-09-25 02:07:27,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 164. [2020-09-25 02:07:27,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-09-25 02:07:27,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 173 transitions. [2020-09-25 02:07:27,010 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 173 transitions. Word has length 13 [2020-09-25 02:07:27,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:07:27,010 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 173 transitions. [2020-09-25 02:07:27,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 02:07:27,011 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 173 transitions. [2020-09-25 02:07:27,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-09-25 02:07:27,012 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:07:27,012 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:07:27,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 02:07:27,013 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:07:27,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:07:27,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1469410252, now seen corresponding path program 1 times [2020-09-25 02:07:27,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:07:27,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1826320518] [2020-09-25 02:07:27,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:07:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:27,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:27,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:27,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:27,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 02:07:27,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:07:27,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-09-25 02:07:27,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:27,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:07:27,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 02:07:27,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 02:07:27,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:07:27,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:07:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:27,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:27,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:27,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:07:27,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:27,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 02:07:27,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:07:27,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:27,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:07:27,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:07:27,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1826320518] [2020-09-25 02:07:27,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:07:27,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 02:07:27,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625989760] [2020-09-25 02:07:27,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 02:07:27,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:07:27,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 02:07:27,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 02:07:27,347 INFO L87 Difference]: Start difference. First operand 164 states and 173 transitions. Second operand 4 states. [2020-09-25 02:07:27,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:07:27,659 INFO L93 Difference]: Finished difference Result 170 states and 179 transitions. [2020-09-25 02:07:27,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 02:07:27,661 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-09-25 02:07:27,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:07:27,663 INFO L225 Difference]: With dead ends: 170 [2020-09-25 02:07:27,666 INFO L226 Difference]: Without dead ends: 165 [2020-09-25 02:07:27,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 02:07:27,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-09-25 02:07:27,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2020-09-25 02:07:27,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-09-25 02:07:27,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 174 transitions. [2020-09-25 02:07:27,693 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 174 transitions. Word has length 25 [2020-09-25 02:07:27,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:07:27,694 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 174 transitions. [2020-09-25 02:07:27,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 02:07:27,695 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 174 transitions. [2020-09-25 02:07:27,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-25 02:07:27,697 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:07:27,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:07:27,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 02:07:27,698 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:07:27,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:07:27,699 INFO L82 PathProgramCache]: Analyzing trace with hash -155961871, now seen corresponding path program 1 times [2020-09-25 02:07:27,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:07:27,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1846735572] [2020-09-25 02:07:27,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:07:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:27,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:27,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:28,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:28,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 02:07:28,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:07:28,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-09-25 02:07:28,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:28,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:07:28,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 02:07:28,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:07:28,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:28,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:07:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:28,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:28,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:28,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:07:28,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:28,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:07:28,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:28,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:28,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:07:28,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:28,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:28,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:07:28,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1846735572] [2020-09-25 02:07:28,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:07:28,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 02:07:28,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6909469] [2020-09-25 02:07:28,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 02:07:28,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:07:28,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 02:07:28,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 02:07:28,167 INFO L87 Difference]: Start difference. First operand 165 states and 174 transitions. Second operand 8 states. [2020-09-25 02:07:28,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:07:28,645 INFO L93 Difference]: Finished difference Result 254 states and 269 transitions. [2020-09-25 02:07:28,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 02:07:28,646 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-09-25 02:07:28,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:07:28,648 INFO L225 Difference]: With dead ends: 254 [2020-09-25 02:07:28,648 INFO L226 Difference]: Without dead ends: 249 [2020-09-25 02:07:28,652 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 [2020-09-25 02:07:28,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-09-25 02:07:28,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 159. [2020-09-25 02:07:28,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-25 02:07:28,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 168 transitions. [2020-09-25 02:07:28,676 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 168 transitions. Word has length 27 [2020-09-25 02:07:28,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:07:28,677 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 168 transitions. [2020-09-25 02:07:28,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 02:07:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 168 transitions. [2020-09-25 02:07:28,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 02:07:28,684 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:07:28,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:07:28,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 02:07:28,685 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:07:28,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:07:28,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1500955686, now seen corresponding path program 1 times [2020-09-25 02:07:28,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:07:28,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082163455] [2020-09-25 02:07:28,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:07:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:28,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:28,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:28,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:28,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:29,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:29,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 02:07:29,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 02:07:29,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 538 [2020-09-25 02:07:29,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:29,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:07:29,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 02:07:29,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:07:29,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:29,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:07:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:29,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:29,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:29,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:07:29,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:29,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:07:29,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:29,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:07:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:29,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:07:29,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082163455] [2020-09-25 02:07:29,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:07:29,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 02:07:29,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358394399] [2020-09-25 02:07:29,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 02:07:29,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:07:29,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 02:07:29,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 02:07:29,305 INFO L87 Difference]: Start difference. First operand 159 states and 168 transitions. Second operand 6 states. [2020-09-25 02:07:29,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:07:29,664 INFO L93 Difference]: Finished difference Result 377 states and 399 transitions. [2020-09-25 02:07:29,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 02:07:29,665 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-09-25 02:07:29,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:07:29,667 INFO L225 Difference]: With dead ends: 377 [2020-09-25 02:07:29,667 INFO L226 Difference]: Without dead ends: 249 [2020-09-25 02:07:29,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 02:07:29,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-09-25 02:07:29,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 162. [2020-09-25 02:07:29,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-09-25 02:07:29,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 171 transitions. [2020-09-25 02:07:29,679 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 171 transitions. Word has length 33 [2020-09-25 02:07:29,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:07:29,680 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 171 transitions. [2020-09-25 02:07:29,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 02:07:29,680 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 171 transitions. [2020-09-25 02:07:29,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-25 02:07:29,681 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:07:29,681 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] [2020-09-25 02:07:29,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 02:07:29,682 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:07:29,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:07:29,682 INFO L82 PathProgramCache]: Analyzing trace with hash -820684573, now seen corresponding path program 1 times [2020-09-25 02:07:29,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:07:29,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [355196293] [2020-09-25 02:07:29,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:07:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:29,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:29,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:29,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:29,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 02:07:29,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:07:29,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-09-25 02:07:29,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:29,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 02:07:29,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 02:07:29,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 02:07:29,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:30,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:07:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:30,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:30,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:30,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:07:30,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:30,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 02:07:30,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:30,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:30,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:07:30,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:30,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:07:30,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:07:30,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [355196293] [2020-09-25 02:07:30,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:07:30,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 02:07:30,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884244183] [2020-09-25 02:07:30,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 02:07:30,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:07:30,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 02:07:30,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 02:07:30,084 INFO L87 Difference]: Start difference. First operand 162 states and 171 transitions. Second operand 5 states. [2020-09-25 02:07:30,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:07:30,413 INFO L93 Difference]: Finished difference Result 192 states and 204 transitions. [2020-09-25 02:07:30,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 02:07:30,413 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-09-25 02:07:30,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:07:30,415 INFO L225 Difference]: With dead ends: 192 [2020-09-25 02:07:30,415 INFO L226 Difference]: Without dead ends: 158 [2020-09-25 02:07:30,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 02:07:30,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-09-25 02:07:30,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2020-09-25 02:07:30,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-09-25 02:07:30,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 166 transitions. [2020-09-25 02:07:30,423 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 166 transitions. Word has length 35 [2020-09-25 02:07:30,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:07:30,423 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 166 transitions. [2020-09-25 02:07:30,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 02:07:30,424 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 166 transitions. [2020-09-25 02:07:30,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-09-25 02:07:30,425 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:07:30,425 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:07:30,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 02:07:30,426 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:07:30,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:07:30,426 INFO L82 PathProgramCache]: Analyzing trace with hash -2091807586, now seen corresponding path program 1 times [2020-09-25 02:07:30,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:07:30,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1370592046] [2020-09-25 02:07:30,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:07:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:30,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:30,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:30,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:31,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:31,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-25 02:07:31,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:07:31,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1340 [2020-09-25 02:07:31,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:31,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 02:07:31,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-09-25 02:07:31,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 02:07:31,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:07:31,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:07:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:31,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:31,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:31,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:07:31,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:31,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:07:31,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:31,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:31,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:07:31,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:31,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:07:32,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:07:32,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1370592046] [2020-09-25 02:07:32,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:07:32,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 02:07:32,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061339222] [2020-09-25 02:07:32,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 02:07:32,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:07:32,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 02:07:32,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 02:07:32,002 INFO L87 Difference]: Start difference. First operand 157 states and 166 transitions. Second operand 9 states. [2020-09-25 02:07:32,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:07:32,971 INFO L93 Difference]: Finished difference Result 238 states and 252 transitions. [2020-09-25 02:07:32,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 02:07:32,972 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2020-09-25 02:07:32,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:07:32,974 INFO L225 Difference]: With dead ends: 238 [2020-09-25 02:07:32,974 INFO L226 Difference]: Without dead ends: 236 [2020-09-25 02:07:32,975 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 [2020-09-25 02:07:32,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-09-25 02:07:32,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 155. [2020-09-25 02:07:32,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-09-25 02:07:32,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 164 transitions. [2020-09-25 02:07:32,982 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 164 transitions. Word has length 42 [2020-09-25 02:07:32,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:07:32,982 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 164 transitions. [2020-09-25 02:07:32,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 02:07:32,983 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 164 transitions. [2020-09-25 02:07:32,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-25 02:07:32,984 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:07:32,984 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:07:32,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 02:07:32,985 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:07:32,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:07:32,985 INFO L82 PathProgramCache]: Analyzing trace with hash 654436304, now seen corresponding path program 1 times [2020-09-25 02:07:32,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:07:32,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243873758] [2020-09-25 02:07:32,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:07:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:33,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:33,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:33,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 02:07:33,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:33,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 02:07:33,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:33,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:07:33,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 02:07:33,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:07:33,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:33,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:07:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:33,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:33,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:33,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:07:33,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:33,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:07:33,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:33,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:33,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:07:33,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:33,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:33,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:07:33,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243873758] [2020-09-25 02:07:33,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:07:33,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 02:07:33,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607036168] [2020-09-25 02:07:33,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 02:07:33,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:07:33,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 02:07:33,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 02:07:33,111 INFO L87 Difference]: Start difference. First operand 155 states and 164 transitions. Second operand 4 states. [2020-09-25 02:07:33,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:07:33,357 INFO L93 Difference]: Finished difference Result 195 states and 208 transitions. [2020-09-25 02:07:33,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 02:07:33,358 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2020-09-25 02:07:33,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:07:33,359 INFO L225 Difference]: With dead ends: 195 [2020-09-25 02:07:33,359 INFO L226 Difference]: Without dead ends: 193 [2020-09-25 02:07:33,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 02:07:33,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-09-25 02:07:33,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 157. [2020-09-25 02:07:33,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-09-25 02:07:33,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 167 transitions. [2020-09-25 02:07:33,367 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 167 transitions. Word has length 43 [2020-09-25 02:07:33,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:07:33,368 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 167 transitions. [2020-09-25 02:07:33,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 02:07:33,368 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2020-09-25 02:07:33,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-09-25 02:07:33,369 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:07:33,370 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:07:33,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 02:07:33,370 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:07:33,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:07:33,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1847672787, now seen corresponding path program 1 times [2020-09-25 02:07:33,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:07:33,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [355786138] [2020-09-25 02:07:33,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:07:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:33,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:33,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:33,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:33,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:34,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:34,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-25 02:07:34,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 02:07:34,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 798 [2020-09-25 02:07:34,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:34,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:07:34,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-25 02:07:34,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:07:34,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:34,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:07:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:34,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:34,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:34,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:07:34,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:34,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:07:34,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:34,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:34,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:07:34,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:34,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:34,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:07:34,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [355786138] [2020-09-25 02:07:34,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:07:34,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 02:07:34,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011586944] [2020-09-25 02:07:34,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 02:07:34,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:07:34,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 02:07:34,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 02:07:34,239 INFO L87 Difference]: Start difference. First operand 157 states and 167 transitions. Second operand 4 states. [2020-09-25 02:07:34,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:07:34,460 INFO L93 Difference]: Finished difference Result 157 states and 167 transitions. [2020-09-25 02:07:34,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 02:07:34,461 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2020-09-25 02:07:34,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:07:34,462 INFO L225 Difference]: With dead ends: 157 [2020-09-25 02:07:34,463 INFO L226 Difference]: Without dead ends: 155 [2020-09-25 02:07:34,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 02:07:34,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-09-25 02:07:34,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2020-09-25 02:07:34,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-09-25 02:07:34,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 165 transitions. [2020-09-25 02:07:34,475 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 165 transitions. Word has length 45 [2020-09-25 02:07:34,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:07:34,499 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 165 transitions. [2020-09-25 02:07:34,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 02:07:34,499 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2020-09-25 02:07:34,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-09-25 02:07:34,500 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:07:34,501 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:07:34,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 02:07:34,501 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:07:34,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:07:34,502 INFO L82 PathProgramCache]: Analyzing trace with hash 11890970, now seen corresponding path program 1 times [2020-09-25 02:07:34,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:07:34,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [577271967] [2020-09-25 02:07:34,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:07:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:34,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:34,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:34,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:34,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:34,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:35,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:36,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:36,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 02:07:36,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 02:07:36,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1900 [2020-09-25 02:07:36,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:36,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 02:07:36,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 02:07:36,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 02:07:36,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:36,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:07:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:36,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:36,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:36,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:07:36,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:36,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:07:36,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:36,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:36,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:07:36,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:36,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:36,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:07:36,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [577271967] [2020-09-25 02:07:36,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:07:36,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 02:07:36,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054273403] [2020-09-25 02:07:36,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 02:07:36,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:07:36,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 02:07:36,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 02:07:36,688 INFO L87 Difference]: Start difference. First operand 155 states and 165 transitions. Second operand 9 states. [2020-09-25 02:07:37,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:07:37,651 INFO L93 Difference]: Finished difference Result 341 states and 365 transitions. [2020-09-25 02:07:37,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 02:07:37,653 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2020-09-25 02:07:37,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:07:37,657 INFO L225 Difference]: With dead ends: 341 [2020-09-25 02:07:37,658 INFO L226 Difference]: Without dead ends: 276 [2020-09-25 02:07:37,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2020-09-25 02:07:37,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-25 02:07:37,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 174. [2020-09-25 02:07:37,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-09-25 02:07:37,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 185 transitions. [2020-09-25 02:07:37,674 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 185 transitions. Word has length 49 [2020-09-25 02:07:37,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:07:37,674 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 185 transitions. [2020-09-25 02:07:37,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 02:07:37,674 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 185 transitions. [2020-09-25 02:07:37,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-25 02:07:37,676 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:07:37,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:07:37,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-25 02:07:37,677 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:07:37,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:07:37,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1643041774, now seen corresponding path program 1 times [2020-09-25 02:07:37,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:07:37,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1705063894] [2020-09-25 02:07:37,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:07:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:37,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:38,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:38,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:38,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:40,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:41,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:41,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-25 02:07:41,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 02:07:41,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3358 [2020-09-25 02:07:41,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:41,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 02:07:41,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-25 02:07:41,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 02:07:41,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:07:41,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:07:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:41,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:41,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:41,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:07:41,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:41,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:07:41,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:41,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:41,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:07:41,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:41,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:41,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:07:41,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1705063894] [2020-09-25 02:07:41,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:07:41,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 02:07:41,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160689605] [2020-09-25 02:07:41,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 02:07:41,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:07:41,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 02:07:41,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-25 02:07:41,366 INFO L87 Difference]: Start difference. First operand 174 states and 185 transitions. Second operand 12 states. [2020-09-25 02:07:42,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:07:42,662 INFO L93 Difference]: Finished difference Result 438 states and 467 transitions. [2020-09-25 02:07:42,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 02:07:42,663 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 54 [2020-09-25 02:07:42,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:07:42,668 INFO L225 Difference]: With dead ends: 438 [2020-09-25 02:07:42,668 INFO L226 Difference]: Without dead ends: 435 [2020-09-25 02:07:42,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2020-09-25 02:07:42,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-09-25 02:07:42,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 194. [2020-09-25 02:07:42,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-09-25 02:07:42,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 208 transitions. [2020-09-25 02:07:42,683 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 208 transitions. Word has length 54 [2020-09-25 02:07:42,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:07:42,684 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 208 transitions. [2020-09-25 02:07:42,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 02:07:42,684 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 208 transitions. [2020-09-25 02:07:42,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-25 02:07:42,685 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:07:42,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:07:42,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-25 02:07:42,686 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:07:42,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:07:42,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1270543956, now seen corresponding path program 1 times [2020-09-25 02:07:42,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:07:42,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102361128] [2020-09-25 02:07:42,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:07:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:42,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:42,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:42,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:42,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-09-25 02:07:42,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:07:42,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-09-25 02:07:42,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:42,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:07:42,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-25 02:07:42,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 02:07:42,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:42,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:07:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:07:42,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:07:42,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:07:42,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:07:42,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:07:42,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:07:42,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:07:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:07:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:07:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:07:42,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:07:43,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:07:43,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2102361128] [2020-09-25 02:07:43,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:07:43,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 02:07:43,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523105836] [2020-09-25 02:07:43,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 02:07:43,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:07:43,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 02:07:43,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 02:07:43,007 INFO L87 Difference]: Start difference. First operand 194 states and 208 transitions. Second operand 4 states. [2020-09-25 02:07:43,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:07:43,234 INFO L93 Difference]: Finished difference Result 200 states and 214 transitions. [2020-09-25 02:07:43,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 02:07:43,235 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2020-09-25 02:07:43,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:07:43,236 INFO L225 Difference]: With dead ends: 200 [2020-09-25 02:07:43,237 INFO L226 Difference]: Without dead ends: 195 [2020-09-25 02:07:43,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 02:07:43,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-09-25 02:07:43,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2020-09-25 02:07:43,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-09-25 02:07:43,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 209 transitions. [2020-09-25 02:07:43,249 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 209 transitions. Word has length 56 [2020-09-25 02:07:43,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:07:43,249 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 209 transitions. [2020-09-25 02:07:43,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 02:07:43,249 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 209 transitions. [2020-09-25 02:07:43,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 02:07:43,250 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:07:43,251 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:07:43,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-25 02:07:43,251 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:07:43,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:07:43,252 INFO L82 PathProgramCache]: Analyzing trace with hash 2002844954, now seen corresponding path program 1 times [2020-09-25 02:07:43,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:07:43,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1862521276] [2020-09-25 02:07:43,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:07:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 02:07:43,279 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 02:07:43,279 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 02:07:43,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-25 02:07:43,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:07:43 BoogieIcfgContainer [2020-09-25 02:07:43,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 02:07:43,343 INFO L168 Benchmark]: Toolchain (without parser) took 19441.49 ms. Allocated memory was 146.8 MB in the beginning and 391.1 MB in the end (delta: 244.3 MB). Free memory was 101.6 MB in the beginning and 100.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 245.9 MB. Max. memory is 7.1 GB. [2020-09-25 02:07:43,345 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 02:07:43,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.17 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 101.0 MB in the beginning and 170.2 MB in the end (delta: -69.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-09-25 02:07:43,349 INFO L168 Benchmark]: Boogie Preprocessor took 98.52 ms. Allocated memory is still 202.9 MB. Free memory was 170.2 MB in the beginning and 166.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-09-25 02:07:43,350 INFO L168 Benchmark]: RCFGBuilder took 955.40 ms. Allocated memory is still 202.9 MB. Free memory was 166.8 MB in the beginning and 103.7 MB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 7.1 GB. [2020-09-25 02:07:43,351 INFO L168 Benchmark]: TraceAbstraction took 17588.79 ms. Allocated memory was 202.9 MB in the beginning and 391.1 MB in the end (delta: 188.2 MB). Free memory was 103.0 MB in the beginning and 100.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 191.2 MB. Max. memory is 7.1 GB. [2020-09-25 02:07:43,356 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 787.17 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 101.0 MB in the beginning and 170.2 MB in the end (delta: -69.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.52 ms. Allocated memory is still 202.9 MB. Free memory was 170.2 MB in the beginning and 166.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 955.40 ms. Allocated memory is still 202.9 MB. Free memory was 166.8 MB in the beginning and 103.7 MB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17588.79 ms. Allocated memory was 202.9 MB in the beginning and 391.1 MB in the end (delta: 188.2 MB). Free memory was 103.0 MB in the beginning and 100.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 191.2 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: 17.4s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1786 SDtfs, 2277 SDslu, 4388 SDs, 0 SdLazy, 3350 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.7s 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: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 668 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 480 NumberOfCodeBlocks, 480 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 411 ConstructedInterpolants, 0 QuantifiedInterpolants, 130748 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...