/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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:28:16,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:28:16,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:28:16,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:28:16,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:28:16,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:28:16,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:28:16,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:28:16,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:28:16,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:28:16,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:28:16,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:28:16,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:28:16,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:28:16,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:28:16,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:28:16,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:28:16,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:28:16,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:28:16,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:28:16,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:28:16,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:28:16,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:28:16,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:28:16,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:28:16,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:28:16,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:28:16,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:28:16,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:28:16,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:28:16,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:28:16,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:28:16,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:28:16,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:28:16,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:28:16,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:28:16,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:28:16,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:28:16,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:28:16,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:28:16,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:28:16,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 20:28:16,780 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:28:16,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:28:16,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:28:16,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:28:16,782 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:28:16,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:28:16,783 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:28:16,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:28:16,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:28:16,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:28:16,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:28:16,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:28:16,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:28:16,784 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:28:16,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:28:16,784 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:28:16,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:28:16,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:28:16,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:28:16,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:28:16,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:28:16,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:28:16,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:28:16,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:28:16,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:28:16,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:28:16,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:28:16,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:28:16,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:28:16,787 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true; [2020-09-24 20:28:17,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:28:17,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:28:17,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:28:17,274 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:28:17,274 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:28:17,276 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i [2020-09-24 20:28:17,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7865e53e/2e4ef5e33f514260a97b6763e47d9ba6/FLAGe5e4267da [2020-09-24 20:28:18,070 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:28:18,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i [2020-09-24 20:28:18,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7865e53e/2e4ef5e33f514260a97b6763e47d9ba6/FLAGe5e4267da [2020-09-24 20:28:18,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7865e53e/2e4ef5e33f514260a97b6763e47d9ba6 [2020-09-24 20:28:18,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:28:18,279 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:28:18,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:28:18,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:28:18,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:28:18,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:28:18" (1/1) ... [2020-09-24 20:28:18,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dceca50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:18, skipping insertion in model container [2020-09-24 20:28:18,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:28:18" (1/1) ... [2020-09-24 20:28:18,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:28:18,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:28:18,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:28:18,928 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:28:19,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:28:19,093 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:28:19,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:19 WrapperNode [2020-09-24 20:28:19,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:28:19,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:28:19,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:28:19,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:28:19,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:19" (1/1) ... [2020-09-24 20:28:19,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:19" (1/1) ... [2020-09-24 20:28:19,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:19" (1/1) ... [2020-09-24 20:28:19,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:19" (1/1) ... [2020-09-24 20:28:19,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:19" (1/1) ... [2020-09-24 20:28:19,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:19" (1/1) ... [2020-09-24 20:28:19,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:19" (1/1) ... [2020-09-24 20:28:19,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:28:19,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:28:19,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:28:19,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:28:19,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:28:19,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:28:19,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:28:19,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 20:28:19,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-24 20:28:19,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-24 20:28:19,271 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2020-09-24 20:28:19,271 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2020-09-24 20:28:19,272 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2020-09-24 20:28:19,273 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2020-09-24 20:28:19,273 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2020-09-24 20:28:19,273 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2020-09-24 20:28:19,274 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2020-09-24 20:28:19,274 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2020-09-24 20:28:19,274 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2020-09-24 20:28:19,274 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2020-09-24 20:28:19,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2020-09-24 20:28:19,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2020-09-24 20:28:19,276 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2020-09-24 20:28:19,276 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2020-09-24 20:28:19,277 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2020-09-24 20:28:19,278 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2020-09-24 20:28:19,278 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:28:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:28:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-24 20:28:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-24 20:28:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-24 20:28:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-24 20:28:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-24 20:28:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-24 20:28:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-24 20:28:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-24 20:28:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-24 20:28:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-24 20:28:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-24 20:28:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-24 20:28:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-24 20:28:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-24 20:28:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-24 20:28:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-24 20:28:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-24 20:28:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-24 20:28:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-24 20:28:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-24 20:28:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-24 20:28:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-24 20:28:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-24 20:28:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-24 20:28:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-24 20:28:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-24 20:28:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-24 20:28:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-24 20:28:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-24 20:28:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-24 20:28:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-24 20:28:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-24 20:28:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-24 20:28:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-24 20:28:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-24 20:28:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-24 20:28:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-24 20:28:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-24 20:28:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-24 20:28:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-24 20:28:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-24 20:28:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-24 20:28:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-24 20:28:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-24 20:28:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-24 20:28:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-24 20:28:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-24 20:28:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-24 20:28:19,292 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-24 20:28:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-24 20:28:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-24 20:28:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-24 20:28:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:28:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 20:28:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-24 20:28:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:28:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-24 20:28:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-24 20:28:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-24 20:28:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-24 20:28:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-24 20:28:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 20:28:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-24 20:28:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-24 20:28:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-24 20:28:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-24 20:28:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-24 20:28:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-24 20:28:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-24 20:28:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-24 20:28:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-24 20:28:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-24 20:28:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-24 20:28:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-24 20:28:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-24 20:28:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-24 20:28:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-24 20:28:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-24 20:28:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-24 20:28:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-24 20:28:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-24 20:28:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-24 20:28:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-24 20:28:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-24 20:28:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-24 20:28:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-24 20:28:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-24 20:28:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-24 20:28:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-24 20:28:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-24 20:28:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-24 20:28:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-24 20:28:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-24 20:28:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-24 20:28:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-24 20:28:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-24 20:28:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-24 20:28:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-24 20:28:19,301 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-24 20:28:19,301 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-24 20:28:19,301 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-24 20:28:19,301 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-24 20:28:19,301 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-24 20:28:19,301 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-24 20:28:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-24 20:28:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:28:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2020-09-24 20:28:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2020-09-24 20:28:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:28:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:28:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2020-09-24 20:28:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2020-09-24 20:28:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:28:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2020-09-24 20:28:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:28:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 20:28:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 20:28:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:28:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2020-09-24 20:28:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2020-09-24 20:28:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2020-09-24 20:28:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2020-09-24 20:28:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2020-09-24 20:28:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2020-09-24 20:28:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2020-09-24 20:28:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2020-09-24 20:28:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2020-09-24 20:28:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2020-09-24 20:28:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2020-09-24 20:28:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:28:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:28:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:28:20,218 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:28:20,219 INFO L295 CfgBuilder]: Removed 38 assume(true) statements. [2020-09-24 20:28:20,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:28:20 BoogieIcfgContainer [2020-09-24 20:28:20,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:28:20,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:28:20,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:28:20,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:28:20,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:28:18" (1/3) ... [2020-09-24 20:28:20,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2890b6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:28:20, skipping insertion in model container [2020-09-24 20:28:20,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:28:19" (2/3) ... [2020-09-24 20:28:20,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2890b6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:28:20, skipping insertion in model container [2020-09-24 20:28:20,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:28:20" (3/3) ... [2020-09-24 20:28:20,236 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-2.i [2020-09-24 20:28:20,248 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:28:20,260 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:28:20,283 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:28:20,317 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:28:20,317 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:28:20,317 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:28:20,317 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:28:20,317 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:28:20,318 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:28:20,318 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:28:20,318 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:28:20,347 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states. [2020-09-24 20:28:20,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-24 20:28:20,360 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:28:20,362 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:28:20,362 INFO L427 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:28:20,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:28:20,370 INFO L82 PathProgramCache]: Analyzing trace with hash 575468621, now seen corresponding path program 1 times [2020-09-24 20:28:20,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:28:20,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [432693998] [2020-09-24 20:28:20,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:28:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:20,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:20,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:21,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:22,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:25,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:25,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-24 20:28:25,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:28:25,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-24 20:28:25,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 20:28:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 20:28:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 20:28:25,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 20:28:25,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:28:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:25,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:25,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:25,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:28:25,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:25,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:28:25,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:25,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:28:25,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:25,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:28:25,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:28:25,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 20:28:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:25,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:25,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:25,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:26,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:26,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:30,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:30,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-24 20:28:30,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:28:30,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-24 20:28:30,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:30,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 20:28:30,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 20:28:30,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 20:28:30,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 20:28:30,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:28:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:30,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:30,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:31,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:34,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:34,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:35,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:35,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 20:28:35,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:28:35,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-24 20:28:35,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:35,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 20:28:35,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 20:28:35,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 20:28:35,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:28:35,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:28:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:35,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:36,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:36,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 20:28:36,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:36,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 364 [2020-09-24 20:28:36,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:36,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 20:28:36,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:36,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 20:28:36,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 20:28:36,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:28:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:36,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:36,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:36,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 20:28:36,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:36,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-09-24 20:28:36,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:36,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 20:28:36,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:36,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 20:28:36,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:28:36,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:28:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:36,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:36,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:36,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:28:36,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:36,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-24 20:28:36,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:28:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 20:28:36,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:28:36,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 20:28:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:36,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:37,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:37,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 20:28:37,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:37,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 568 [2020-09-24 20:28:37,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 20:28:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:28:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-24 20:28:37,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:28:37,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:28:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:37,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:38,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:38,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 20:28:38,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:38,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 385 [2020-09-24 20:28:38,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:38,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 20:28:38,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:28:38,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 20:28:38,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:28:38,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:28:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:38,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:38,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:38,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:28:38,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:38,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-24 20:28:38,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:38,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 20:28:38,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:28:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 20:28:38,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:28:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-24 20:28:38,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [432693998] [2020-09-24 20:28:38,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:28:38,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-09-24 20:28:38,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794715130] [2020-09-24 20:28:38,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-09-24 20:28:38,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:28:38,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-09-24 20:28:38,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2020-09-24 20:28:38,727 INFO L87 Difference]: Start difference. First operand 276 states. Second operand 26 states. [2020-09-24 20:28:44,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:28:44,236 INFO L93 Difference]: Finished difference Result 591 states and 812 transitions. [2020-09-24 20:28:44,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-24 20:28:44,238 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 85 [2020-09-24 20:28:44,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:28:44,263 INFO L225 Difference]: With dead ends: 591 [2020-09-24 20:28:44,263 INFO L226 Difference]: Without dead ends: 299 [2020-09-24 20:28:44,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=244, Invalid=2206, Unknown=0, NotChecked=0, Total=2450 [2020-09-24 20:28:44,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-09-24 20:28:44,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 270. [2020-09-24 20:28:44,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-09-24 20:28:44,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 310 transitions. [2020-09-24 20:28:44,366 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 310 transitions. Word has length 85 [2020-09-24 20:28:44,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:28:44,367 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 310 transitions. [2020-09-24 20:28:44,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-09-24 20:28:44,367 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 310 transitions. [2020-09-24 20:28:44,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-24 20:28:44,372 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:28:44,372 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:28:44,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:28:44,372 INFO L427 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:28:44,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:28:44,373 INFO L82 PathProgramCache]: Analyzing trace with hash -860291591, now seen corresponding path program 1 times [2020-09-24 20:28:44,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:28:44,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1792890047] [2020-09-24 20:28:44,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:28:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:44,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:44,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:44,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:45,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:46,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:47,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:48,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:49,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:49,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-24 20:28:49,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-24 20:28:49,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5181 [2020-09-24 20:28:49,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:49,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-09-24 20:28:49,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 20:28:49,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 20:28:49,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:28:49,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:28:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:49,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:49,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:49,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:28:49,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:28:49,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:28:49,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:28:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:49,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:28:49,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 20:28:49,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 20:28:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:49,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:49,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:50,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:51,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:51,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:54,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:54,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 20:28:54,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:28:54,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-24 20:28:54,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:54,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 20:28:54,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:54,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 20:28:54,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:28:54,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:28:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:28:54,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:54,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:55,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:56,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:28:59,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:28:59,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 20:28:59,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:28:59,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-24 20:28:59,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:28:59,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 20:28:59,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:28:59,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-24 20:28:59,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:29:00,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:29:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:29:00,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:29:00,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:29:00,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-24 20:29:00,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:29:00,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-09-24 20:29:00,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:29:00,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 20:29:00,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:29:00,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 20:29:00,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:29:00,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:29:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:29:00,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:29:00,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:29:00,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 20:29:00,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:29:00,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-09-24 20:29:00,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:29:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 20:29:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:29:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 20:29:00,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:29:00,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:29:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:29:00,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:29:00,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:29:00,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:29:00,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:29:00,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-24 20:29:00,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:29:00,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:29:00,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:29:00,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 20:29:00,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:29:00,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 20:29:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:29:00,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:29:01,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:29:02,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:29:02,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 20:29:02,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:29:02,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1434 [2020-09-24 20:29:02,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:29:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 20:29:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:29:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 20:29:02,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0