/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:10:56,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:10:56,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:10:56,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:10:56,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:10:56,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:10:56,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:10:56,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:10:56,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:10:56,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:10:56,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:10:56,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:10:56,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:10:56,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:10:56,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:10:56,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:10:56,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:10:56,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:10:56,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:10:56,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:10:56,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:10:56,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:10:56,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:10:56,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:10:56,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:10:56,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:10:56,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:10:56,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:10:56,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:10:56,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:10:56,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:10:56,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:10:56,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:10:56,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:10:56,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:10:56,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:10:56,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:10:56,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:10:56,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:10:56,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:10:56,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:10:56,514 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 11:10:56,540 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:10:56,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:10:56,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:10:56,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:10:56,542 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:10:56,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:10:56,543 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:10:56,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:10:56,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:10:56,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:10:56,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:10:56,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:10:56,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:10:56,544 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:10:56,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:10:56,544 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:10:56,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:10:56,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:10:56,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:10:56,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:10:56,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:10:56,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:10:56,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:10:56,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:10:56,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:10:56,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:10:56,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:10:56,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:10:56,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:10:56,547 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 11:10:57,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:10:57,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:10:57,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:10:57,069 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:10:57,071 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:10:57,072 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2020-09-25 11:10:57,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b1e9b695/ef84ce206a304cfd8f04a7381a2ba4df/FLAGbbc926b0b [2020-09-25 11:10:57,815 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:10:57,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2020-09-25 11:10:57,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b1e9b695/ef84ce206a304cfd8f04a7381a2ba4df/FLAGbbc926b0b [2020-09-25 11:10:58,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b1e9b695/ef84ce206a304cfd8f04a7381a2ba4df [2020-09-25 11:10:58,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:10:58,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:10:58,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:10:58,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:10:58,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:10:58,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:10:58" (1/1) ... [2020-09-25 11:10:58,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fcb8091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:58, skipping insertion in model container [2020-09-25 11:10:58,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:10:58" (1/1) ... [2020-09-25 11:10:58,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:10:58,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:10:58,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:10:58,710 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:10:58,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:10:58,874 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:10:58,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:58 WrapperNode [2020-09-25 11:10:58,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:10:58,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:10:58,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:10:58,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:10:58,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:58" (1/1) ... [2020-09-25 11:10:58,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:58" (1/1) ... [2020-09-25 11:10:58,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:58" (1/1) ... [2020-09-25 11:10:58,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:58" (1/1) ... [2020-09-25 11:10:58,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:58" (1/1) ... [2020-09-25 11:10:58,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:58" (1/1) ... [2020-09-25 11:10:58,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:58" (1/1) ... [2020-09-25 11:10:58,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:10:58,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:10:58,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:10:58,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:10:59,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:58" (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 11:10:59,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:10:59,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:10:59,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 11:10:59,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 11:10:59,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 11:10:59,086 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2020-09-25 11:10:59,086 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2020-09-25 11:10:59,086 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2020-09-25 11:10:59,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2020-09-25 11:10:59,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2020-09-25 11:10:59,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2020-09-25 11:10:59,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2020-09-25 11:10:59,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2020-09-25 11:10:59,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2020-09-25 11:10:59,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2020-09-25 11:10:59,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2020-09-25 11:10:59,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2020-09-25 11:10:59,088 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2020-09-25 11:10:59,088 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2020-09-25 11:10:59,089 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2020-09-25 11:10:59,089 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2020-09-25 11:10:59,089 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:10:59,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:10:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 11:10:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 11:10:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 11:10:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 11:10:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 11:10:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 11:10:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 11:10:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 11:10:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 11:10:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 11:10:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 11:10:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 11:10:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 11:10:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 11:10:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 11:10:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 11:10:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 11:10:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 11:10:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 11:10:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 11:10:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 11:10:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 11:10:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 11:10:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 11:10:59,094 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 11:10:59,094 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 11:10:59,094 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 11:10:59,094 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 11:10:59,094 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 11:10:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 11:10:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 11:10:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 11:10:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 11:10:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 11:10:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 11:10:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 11:10:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 11:10:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 11:10:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 11:10:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 11:10:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 11:10:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 11:10:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 11:10:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 11:10:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 11:10:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 11:10:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 11:10:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 11:10:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 11:10:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 11:10:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 11:10:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 11:10:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:10:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 11:10:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 11:10:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:10:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 11:10:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 11:10:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 11:10:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 11:10:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-25 11:10:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 11:10:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 11:10:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-25 11:10:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 11:10:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 11:10:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-25 11:10:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 11:10:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 11:10:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 11:10:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 11:10:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 11:10:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 11:10:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 11:10:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 11:10:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 11:10:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 11:10:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 11:10:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 11:10:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 11:10:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 11:10:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 11:10:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 11:10:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 11:10:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 11:10:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 11:10:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 11:10:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 11:10:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 11:10:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 11:10:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 11:10:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 11:10:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 11:10:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 11:10:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 11:10:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 11:10:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 11:10:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 11:10:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 11:10:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 11:10:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 11:10:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 11:10:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 11:10:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 11:10:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 11:10:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:10:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2020-09-25 11:10:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2020-09-25 11:10:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:10:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:10:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2020-09-25 11:10:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2020-09-25 11:10:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:10:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2020-09-25 11:10:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:10:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 11:10:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 11:10:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:10:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2020-09-25 11:10:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2020-09-25 11:10:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2020-09-25 11:10:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2020-09-25 11:10:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2020-09-25 11:10:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2020-09-25 11:10:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2020-09-25 11:10:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2020-09-25 11:10:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2020-09-25 11:10:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2020-09-25 11:10:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2020-09-25 11:10:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:10:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:10:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:11:00,084 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:11:00,085 INFO L295 CfgBuilder]: Removed 38 assume(true) statements. [2020-09-25 11:11:00,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:11:00 BoogieIcfgContainer [2020-09-25 11:11:00,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:11:00,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:11:00,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:11:00,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:11:00,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:10:58" (1/3) ... [2020-09-25 11:11:00,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b162b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:11:00, skipping insertion in model container [2020-09-25 11:11:00,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:58" (2/3) ... [2020-09-25 11:11:00,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b162b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:11:00, skipping insertion in model container [2020-09-25 11:11:00,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:11:00" (3/3) ... [2020-09-25 11:11:00,102 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-1.i [2020-09-25 11:11:00,115 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:11:00,128 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:11:00,149 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:11:00,178 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:11:00,179 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:11:00,179 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:11:00,179 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:11:00,179 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:11:00,179 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:11:00,179 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:11:00,179 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:11:00,208 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states. [2020-09-25 11:11:00,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-25 11:11:00,221 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:11:00,223 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] [2020-09-25 11:11:00,224 INFO L427 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:11:00,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:11:00,232 INFO L82 PathProgramCache]: Analyzing trace with hash 575468621, now seen corresponding path program 1 times [2020-09-25 11:11:00,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:11:00,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789386174] [2020-09-25 11:11:00,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:11:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:00,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:00,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:00,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:01,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:05,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:05,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-25 11:11:05,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:11:05,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 11:11:05,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:05,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-25 11:11:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 11:11:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-25 11:11:05,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 11:11:05,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:11:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:05,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:05,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:05,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:11:05,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:05,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 11:11:05,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:05,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:05,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:11:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:11:05,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:11:05,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 11:11:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:05,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:05,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:05,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:06,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:06,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:10,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:10,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-25 11:11:10,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:11:10,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 11:11:10,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:10,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-25 11:11:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 11:11:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-25 11:11:10,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:10,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:11:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:10,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:10,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:11,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:15,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:15,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:15,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:15,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-25 11:11:15,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:11:15,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 11:11:15,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:15,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:15,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:11:15,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 11:11:15,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:11:15,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:11:15,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:11:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:15,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:16,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:16,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-25 11:11:16,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:16,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 11:11:16,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:16,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:16,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:11:16,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:16,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 11:11:16,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 11:11:16,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:11:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:16,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:16,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:16,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 11:11:16,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:16,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 11:11:16,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:16,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:16,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:11:16,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:16,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:11:16,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:16,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:11:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:16,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:16,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:16,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:11:16,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:16,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:11:16,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:16,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:11:16,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:16,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:11:16,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:16,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-25 11:11:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:16,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:16,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:16,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-25 11:11:16,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:16,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-25 11:11:16,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:16,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:16,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:11:16,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:16,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 11:11:16,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:16,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:11:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:16,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:16,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:16,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 11:11:16,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:16,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 11:11:16,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:16,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:16,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:11:16,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:16,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 11:11:16,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:16,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:11:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:16,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:16,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:16,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:11:16,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:16,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:11:16,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:16,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:16,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:11:16,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:16,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:11:16,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:16,482 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-25 11:11:16,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789386174] [2020-09-25 11:11:16,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:11:16,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 11:11:16,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362409064] [2020-09-25 11:11:16,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 11:11:16,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:11:16,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 11:11:16,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:11:16,520 INFO L87 Difference]: Start difference. First operand 276 states. Second operand 7 states. [2020-09-25 11:11:17,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:11:17,968 INFO L93 Difference]: Finished difference Result 589 states and 799 transitions. [2020-09-25 11:11:17,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 11:11:17,971 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2020-09-25 11:11:17,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:11:18,003 INFO L225 Difference]: With dead ends: 589 [2020-09-25 11:11:18,004 INFO L226 Difference]: Without dead ends: 296 [2020-09-25 11:11:18,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-09-25 11:11:18,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-09-25 11:11:18,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 276. [2020-09-25 11:11:18,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-09-25 11:11:18,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 307 transitions. [2020-09-25 11:11:18,161 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 307 transitions. Word has length 85 [2020-09-25 11:11:18,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:11:18,162 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 307 transitions. [2020-09-25 11:11:18,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 11:11:18,162 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 307 transitions. [2020-09-25 11:11:18,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 11:11:18,170 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:11:18,171 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-25 11:11:18,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:11:18,171 INFO L427 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:11:18,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:11:18,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1671014528, now seen corresponding path program 1 times [2020-09-25 11:11:18,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:11:18,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1131092698] [2020-09-25 11:11:18,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:11:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:18,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:18,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:19,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:19,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:21,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:23,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:23,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-25 11:11:23,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:11:23,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-09-25 11:11:23,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:23,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-25 11:11:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 11:11:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-25 11:11:23,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:23,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:11:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:23,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:23,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:23,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:11:23,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:23,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:11:23,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:23,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:23,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:11:23,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:23,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:11:23,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:23,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 11:11:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:23,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:24,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:24,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:27,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:27,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:28,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:28,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-09-25 11:11:28,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:11:28,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5074 [2020-09-25 11:11:28,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:28,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:28,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-25 11:11:28,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 11:11:28,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-25 11:11:28,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:28,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:11:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:29,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:29,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:29,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:30,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:33,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:33,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-09-25 11:11:33,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:11:33,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 11:11:33,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:33,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:33,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-25 11:11:33,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 11:11:33,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-25 11:11:33,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:11:34,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:11:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:34,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:34,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:35,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:38,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:39,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:39,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-25 11:11:39,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:11:39,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 11:11:39,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:39,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 11:11:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-25 11:11:39,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:11:39,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:11:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:39,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:39,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:40,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:40,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:44,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:44,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-25 11:11:44,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:11:44,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 11:11:44,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:44,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:44,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 11:11:44,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:44,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 11:11:44,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:44,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:11:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:44,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:44,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:44,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:44,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:11:44,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:11:44,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 11:11:44,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:44,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:44,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:11:44,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:44,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 11:11:44,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:44,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 11:11:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:44,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:44,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:45,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking...