/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 14:39:57,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 14:39:57,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 14:39:57,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 14:39:57,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 14:39:57,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 14:39:57,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 14:39:57,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 14:39:57,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 14:39:57,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 14:39:57,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 14:39:57,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 14:39:57,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 14:39:57,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 14:39:57,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 14:39:57,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 14:39:57,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 14:39:57,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 14:39:57,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 14:39:57,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 14:39:57,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 14:39:57,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 14:39:57,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 14:39:57,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 14:39:57,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 14:39:57,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 14:39:58,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 14:39:58,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 14:39:58,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 14:39:58,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 14:39:58,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 14:39:58,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 14:39:58,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 14:39:58,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 14:39:58,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 14:39:58,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 14:39:58,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 14:39:58,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 14:39:58,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 14:39:58,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 14:39:58,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 14:39:58,033 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 [2020-10-28 14:39:58,083 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 14:39:58,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 14:39:58,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 14:39:58,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 14:39:58,089 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 14:39:58,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 14:39:58,090 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 14:39:58,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 14:39:58,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 14:39:58,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 14:39:58,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 14:39:58,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 14:39:58,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 14:39:58,093 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 14:39:58,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 14:39:58,093 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 14:39:58,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 14:39:58,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 14:39:58,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 14:39:58,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 14:39:58,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 14:39:58,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:39:58,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 14:39:58,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 14:39:58,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 14:39:58,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 14:39:58,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 14:39:58,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 14:39:58,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 14:39:58,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 14:39:58,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 14:39:58,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 14:39:58,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 14:39:58,553 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 14:39:58,554 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 14:39:58,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-10-28 14:39:58,642 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46a8d7cbd/67f6673cc4da4689bf16b57257452e44/FLAG9ab462662 [2020-10-28 14:39:59,423 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 14:39:59,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-10-28 14:39:59,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46a8d7cbd/67f6673cc4da4689bf16b57257452e44/FLAG9ab462662 [2020-10-28 14:39:59,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46a8d7cbd/67f6673cc4da4689bf16b57257452e44 [2020-10-28 14:39:59,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 14:39:59,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 14:39:59,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 14:39:59,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 14:39:59,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 14:39:59,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:39:59" (1/1) ... [2020-10-28 14:39:59,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a59c40f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:39:59, skipping insertion in model container [2020-10-28 14:39:59,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:39:59" (1/1) ... [2020-10-28 14:39:59,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 14:39:59,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 14:40:00,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:40:00,310 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 14:40:00,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:40:00,523 INFO L208 MainTranslator]: Completed translation [2020-10-28 14:40:00,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00 WrapperNode [2020-10-28 14:40:00,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 14:40:00,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 14:40:00,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 14:40:00,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 14:40:00,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (1/1) ... [2020-10-28 14:40:00,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (1/1) ... [2020-10-28 14:40:00,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (1/1) ... [2020-10-28 14:40:00,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (1/1) ... [2020-10-28 14:40:00,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (1/1) ... [2020-10-28 14:40:00,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (1/1) ... [2020-10-28 14:40:00,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (1/1) ... [2020-10-28 14:40:00,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 14:40:00,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 14:40:00,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 14:40:00,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 14:40:00,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (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 [2020-10-28 14:40:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 14:40:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 14:40:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-28 14:40:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-28 14:40:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 14:40:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 14:40:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 14:40:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-10-28 14:40:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-28 14:40:00,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-28 14:40:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-28 14:40:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-28 14:40:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-28 14:40:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-28 14:40:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-10-28 14:40:00,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-10-28 14:40:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-28 14:40:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-10-28 14:40:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-10-28 14:40:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-10-28 14:40:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 14:40:00,721 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-28 14:40:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 14:40:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 14:40:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-28 14:40:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 14:40:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-28 14:40:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-28 14:40:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-28 14:40:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-28 14:40:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-28 14:40:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-28 14:40:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-28 14:40:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-28 14:40:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-28 14:40:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-28 14:40:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-28 14:40:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-28 14:40:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-28 14:40:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-28 14:40:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-28 14:40:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-28 14:40:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-28 14:40:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-28 14:40:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-28 14:40:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-28 14:40:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-28 14:40:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-28 14:40:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-28 14:40:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-28 14:40:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-28 14:40:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-28 14:40:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-28 14:40:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-28 14:40:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-28 14:40:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-28 14:40:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-28 14:40:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-28 14:40:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-28 14:40:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-28 14:40:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-28 14:40:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-28 14:40:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-28 14:40:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-28 14:40:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-28 14:40:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-28 14:40:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-28 14:40:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-28 14:40:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-28 14:40:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-28 14:40:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-28 14:40:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-28 14:40:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-28 14:40:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-28 14:40:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-28 14:40:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-28 14:40:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-28 14:40:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-28 14:40:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 14:40:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 14:40:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-28 14:40:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 14:40:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-28 14:40:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-28 14:40:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-28 14:40:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-28 14:40:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 14:40:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-28 14:40:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-28 14:40:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 14:40:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-28 14:40:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-28 14:40:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-28 14:40:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-28 14:40:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-28 14:40:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-28 14:40:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-28 14:40:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-28 14:40:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-28 14:40:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-28 14:40:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-28 14:40:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-28 14:40:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-28 14:40:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-28 14:40:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-28 14:40:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-28 14:40:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-28 14:40:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-28 14:40:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-28 14:40:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-28 14:40:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-28 14:40:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-28 14:40:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-28 14:40:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-28 14:40:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-28 14:40:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-28 14:40:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-28 14:40:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-28 14:40:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-28 14:40:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-28 14:40:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-28 14:40:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-28 14:40:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-28 14:40:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-28 14:40:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-28 14:40:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-28 14:40:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-28 14:40:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-28 14:40:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 14:40:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 14:40:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 14:40:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 14:40:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 14:40:00,738 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 14:40:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 14:40:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 14:40:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 14:40:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-10-28 14:40:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-28 14:40:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 14:40:00,739 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-28 14:40:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-28 14:40:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-28 14:40:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 14:40:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-28 14:40:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-28 14:40:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-10-28 14:40:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-10-28 14:40:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-28 14:40:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-10-28 14:40:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-10-28 14:40:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-10-28 14:40:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 14:40:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 14:40:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-28 14:40:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 14:40:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 14:40:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-28 14:40:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 14:40:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 14:40:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 14:40:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 14:40:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 14:40:00,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 14:40:00,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 14:40:01,766 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 14:40:01,766 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-28 14:40:01,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:40:01 BoogieIcfgContainer [2020-10-28 14:40:01,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 14:40:01,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 14:40:01,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 14:40:01,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 14:40:01,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:39:59" (1/3) ... [2020-10-28 14:40:01,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644092a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:40:01, skipping insertion in model container [2020-10-28 14:40:01,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (2/3) ... [2020-10-28 14:40:01,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644092a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:40:01, skipping insertion in model container [2020-10-28 14:40:01,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:40:01" (3/3) ... [2020-10-28 14:40:01,778 INFO L111 eAbstractionObserver]: Analyzing ICFG test_mutex_double_lock.i [2020-10-28 14:40:01,791 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 14:40:01,797 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 14:40:01,811 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 14:40:01,842 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 14:40:01,842 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 14:40:01,842 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 14:40:01,843 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 14:40:01,843 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 14:40:01,843 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 14:40:01,843 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 14:40:01,843 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 14:40:01,866 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-10-28 14:40:01,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-28 14:40:01,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:01,875 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 14:40:01,876 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:01,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:01,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1326439761, now seen corresponding path program 1 times [2020-10-28 14:40:01,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:01,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [566549191] [2020-10-28 14:40:01,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:02,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:02,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 14:40:02,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 14:40:02,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 544 [2020-10-28 14:40:02,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:02,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 14:40:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:02,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 14:40:02,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:02,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:02,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:02,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:02,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 14:40:02,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:02,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:02,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:02,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:02,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:02,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:02,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:02,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:02,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:02,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:02,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:02,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:02,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:02,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:02,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:02,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:02,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:02,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:02,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:02,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:02,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:02,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 14:40:02,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:02,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:02,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:02,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:40:02,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:02,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:02,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:02,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:02,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:02,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:02,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:40:02,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:02,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:02,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:02,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 14:40:02,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:02,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:02,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:02,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:02,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:02,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:02,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 14:40:02,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:02,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:02,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:02,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:40:02,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:02,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:02,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:02,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:02,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:02,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:02,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:40:02,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:02,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:02,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:02,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 14:40:02,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:02,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:02,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 14:40:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:02,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:02,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:02,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:02,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 14:40:02,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:02,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:02,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:02,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 14:40:02,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:02,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:02,890 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 14:40:02,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [566549191] [2020-10-28 14:40:02,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:40:02,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 14:40:02,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925661512] [2020-10-28 14:40:02,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 14:40:02,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:40:02,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 14:40:02,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 14:40:02,919 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 4 states. [2020-10-28 14:40:03,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:40:03,472 INFO L93 Difference]: Finished difference Result 222 states and 280 transitions. [2020-10-28 14:40:03,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 14:40:03,474 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-10-28 14:40:03,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:40:03,487 INFO L225 Difference]: With dead ends: 222 [2020-10-28 14:40:03,487 INFO L226 Difference]: Without dead ends: 111 [2020-10-28 14:40:03,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 14:40:03,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-28 14:40:03,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2020-10-28 14:40:03,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-28 14:40:03,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2020-10-28 14:40:03,561 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 44 [2020-10-28 14:40:03,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:40:03,562 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2020-10-28 14:40:03,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 14:40:03,562 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2020-10-28 14:40:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-28 14:40:03,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:03,565 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 14:40:03,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 14:40:03,566 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:03,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:03,567 INFO L82 PathProgramCache]: Analyzing trace with hash -547812891, now seen corresponding path program 1 times [2020-10-28 14:40:03,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:03,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1777750906] [2020-10-28 14:40:03,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:03,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:03,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:03,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 14:40:03,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:03,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-28 14:40:03,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:03,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:03,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-28 14:40:03,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:40:03,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 14:40:03,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:03,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:03,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:03,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:03,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:03,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 14:40:03,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:03,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:03,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:03,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:03,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:03,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:03,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:03,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:03,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:40:03,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:03,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:03,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:03,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:03,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:03,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:04,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:04,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:04,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:04,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:04,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:04,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 14:40:04,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:04,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:04,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:04,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:04,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:04,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 14:40:04,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:04,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:04,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:04,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:04,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:04,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:40:04,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:04,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:04,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:04,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:04,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:04,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 14:40:04,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:04,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:04,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:04,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:04,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:04,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:40:04,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:04,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:04,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:04,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:04,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:04,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:04,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:04,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:04,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:04,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:04,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:04,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:04,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:04,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:04,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:04,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:04,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:04,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:04,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 14:40:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:04,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:04,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:04,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:04,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:04,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 14:40:04,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:04,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:04,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:04,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:04,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:40:04,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:04,132 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 14:40:04,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1777750906] [2020-10-28 14:40:04,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:40:04,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 14:40:04,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389600796] [2020-10-28 14:40:04,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 14:40:04,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:40:04,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 14:40:04,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-28 14:40:04,137 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 6 states. [2020-10-28 14:40:05,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:40:05,057 INFO L93 Difference]: Finished difference Result 119 states and 138 transitions. [2020-10-28 14:40:05,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 14:40:05,058 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-10-28 14:40:05,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:40:05,062 INFO L225 Difference]: With dead ends: 119 [2020-10-28 14:40:05,062 INFO L226 Difference]: Without dead ends: 115 [2020-10-28 14:40:05,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 14:40:05,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-28 14:40:05,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 102. [2020-10-28 14:40:05,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-28 14:40:05,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 116 transitions. [2020-10-28 14:40:05,091 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 116 transitions. Word has length 44 [2020-10-28 14:40:05,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:40:05,096 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 116 transitions. [2020-10-28 14:40:05,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 14:40:05,096 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2020-10-28 14:40:05,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-28 14:40:05,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:05,099 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 14:40:05,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 14:40:05,099 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:05,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:05,100 INFO L82 PathProgramCache]: Analyzing trace with hash 817475022, now seen corresponding path program 1 times [2020-10-28 14:40:05,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:05,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105548253] [2020-10-28 14:40:05,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:05,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:05,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:05,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 14:40:05,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:05,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-10-28 14:40:05,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:05,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:05,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 14:40:05,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 14:40:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 14:40:05,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:05,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:05,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:05,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:05,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:05,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:05,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 14:40:05,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:05,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 14:40:05,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:05,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:05,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:05,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:05,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:05,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:05,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:05,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:05,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:05,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:05,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:05,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 14:40:05,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:05,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:05,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:05,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:05,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:05,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:05,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 14:40:05,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:05,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:05,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:05,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:05,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 14:40:05,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:05,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:05,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:05,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:05,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:05,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:05,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:40:05,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:05,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:05,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:05,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:05,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:05,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 14:40:05,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:05,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:05,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:05,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:05,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:05,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 14:40:05,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:05,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:05,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:05,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:05,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 14:40:05,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:05,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:05,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:05,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:05,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:05,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:05,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:05,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:05,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:05,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:05,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:05,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 14:40:05,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 14:40:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:05,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:05,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:05,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:05,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:05,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 14:40:05,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:05,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:05,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:40:05,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:40:05,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:40:05,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:05,824 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 14:40:05,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [105548253] [2020-10-28 14:40:05,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:40:05,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 14:40:05,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176127789] [2020-10-28 14:40:05,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 14:40:05,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:40:05,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 14:40:05,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 14:40:05,829 INFO L87 Difference]: Start difference. First operand 102 states and 116 transitions. Second operand 7 states. [2020-10-28 14:40:08,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:40:08,454 INFO L93 Difference]: Finished difference Result 289 states and 352 transitions. [2020-10-28 14:40:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 14:40:08,456 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2020-10-28 14:40:08,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:40:08,461 INFO L225 Difference]: With dead ends: 289 [2020-10-28 14:40:08,461 INFO L226 Difference]: Without dead ends: 201 [2020-10-28 14:40:08,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-10-28 14:40:08,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-10-28 14:40:08,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 163. [2020-10-28 14:40:08,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-28 14:40:08,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 196 transitions. [2020-10-28 14:40:08,496 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 196 transitions. Word has length 44 [2020-10-28 14:40:08,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:40:08,496 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 196 transitions. [2020-10-28 14:40:08,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 14:40:08,497 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 196 transitions. [2020-10-28 14:40:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-28 14:40:08,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:08,500 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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] [2020-10-28 14:40:08,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 14:40:08,500 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:08,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:08,501 INFO L82 PathProgramCache]: Analyzing trace with hash -847406493, now seen corresponding path program 1 times [2020-10-28 14:40:08,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:08,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [483372606] [2020-10-28 14:40:08,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:08,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:08,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 14:40:09,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:09,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 521 [2020-10-28 14:40:09,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:09,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-28 14:40:09,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:40:09,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:09,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:40:09,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:09,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:09,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:09,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:09,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:40:09,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:09,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:09,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:09,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:09,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:40:09,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:09,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:09,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:09,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:09,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:09,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:09,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:09,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:09,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:09,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:40:09,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:09,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:09,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:09,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:09,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:09,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:09,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:09,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:40:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 14:40:09,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 14:40:09,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:09,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 14:40:09,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:40:09,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:09,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:40:09,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:09,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 14:40:09,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 14:40:09,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 14:40:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:40:09,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:09,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 14:40:09,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:09,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:40:09,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:09,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:40:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 14:40:09,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:09,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 14:40:09,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:09,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-28 14:40:09,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:09,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:09,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:09,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:09,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:09,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 14:40:09,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:09,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 14:40:09,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:09,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:09,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:09,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:09,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:40:09,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:09,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:09,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 14:40:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:09,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:40:09,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:40:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:09,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,645 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-10-28 14:40:09,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [483372606] [2020-10-28 14:40:09,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:40:09,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 14:40:09,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262913224] [2020-10-28 14:40:09,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 14:40:09,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:40:09,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 14:40:09,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-28 14:40:09,648 INFO L87 Difference]: Start difference. First operand 163 states and 196 transitions. Second operand 7 states. [2020-10-28 14:40:10,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:40:10,925 INFO L93 Difference]: Finished difference Result 297 states and 357 transitions. [2020-10-28 14:40:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 14:40:10,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-10-28 14:40:10,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:40:10,932 INFO L225 Difference]: With dead ends: 297 [2020-10-28 14:40:10,932 INFO L226 Difference]: Without dead ends: 171 [2020-10-28 14:40:10,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:40:10,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-28 14:40:10,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-10-28 14:40:10,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-28 14:40:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 202 transitions. [2020-10-28 14:40:10,975 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 202 transitions. Word has length 92 [2020-10-28 14:40:10,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:40:10,976 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 202 transitions. [2020-10-28 14:40:10,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 14:40:10,976 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 202 transitions. [2020-10-28 14:40:10,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-28 14:40:10,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:10,979 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:40:10,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 14:40:10,980 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:10,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:10,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1930944587, now seen corresponding path program 1 times [2020-10-28 14:40:10,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:10,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151190449] [2020-10-28 14:40:10,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:11,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:11,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:11,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:11,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:16,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 14:40:16,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 14:40:16,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 14:40:16,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:16,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:16,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-28 14:40:16,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 14:40:16,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 14:40:16,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:16,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:16,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:16,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:16,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:16,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:40:16,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:16,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:16,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:16,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:16,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:16,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:16,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:16,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:40:16,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:16,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:16,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:16,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:16,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:16,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:16,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:16,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:16,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:16,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:40:16,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:16,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:16,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:16,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:16,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:16,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:16,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:16,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:16,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:16,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:16,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:40:16,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:16,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:16,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:16,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:16,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:16,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:16,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:16,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:16,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:16,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:40:16,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:16,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:16,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:16,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:16,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:16,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:16,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:16,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:40:16,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:16,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:16,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:16,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:16,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:16,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:16,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:40:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:16,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:16,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 14:40:16,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:16,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-28 14:40:16,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:16,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:16,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:40:16,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:16,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 14:40:16,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:16,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:16,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:16,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:16,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:16,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 14:40:16,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:16,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:16,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:40:16,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:16,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:40:16,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:16,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:16,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:16,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 14:40:16,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:16,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 14:40:16,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:16,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:16,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:40:16,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:40:16,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 14:40:16,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:16,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:16,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:16,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:16,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:16,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 14:40:16,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:16,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:16,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:16,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:16,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:40:16,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:16,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:40:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:16,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:16,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 14:40:16,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:16,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-28 14:40:16,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:16,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:16,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 14:40:16,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:40:16,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 14:40:16,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:16,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:16,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:16,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:16,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:16,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:40:16,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:16,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:16,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:16,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:16,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:40:16,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:16,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:16,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:16,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:16,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 14:40:16,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:16,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 14:40:16,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:16,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:16,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 14:40:16,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:40:16,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 14:40:16,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:17,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:17,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:17,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:17,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:17,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:17,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 14:40:17,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:17,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:17,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:40:17,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:17,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:40:17,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:17,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 14:40:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:17,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:17,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:17,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:17,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:17,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:40:17,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:17,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:40:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:17,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:17,194 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-28 14:40:17,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151190449] [2020-10-28 14:40:17,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:40:17,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 14:40:17,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114152148] [2020-10-28 14:40:17,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 14:40:17,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:40:17,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 14:40:17,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-28 14:40:17,200 INFO L87 Difference]: Start difference. First operand 169 states and 202 transitions. Second operand 13 states. [2020-10-28 14:40:18,035 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-28 14:40:18,384 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-10-28 14:40:18,548 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-28 14:40:18,878 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-28 14:40:19,825 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-10-28 14:40:19,963 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-28 14:40:20,935 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-28 14:40:23,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:40:23,243 INFO L93 Difference]: Finished difference Result 448 states and 540 transitions. [2020-10-28 14:40:23,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-28 14:40:23,244 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 92 [2020-10-28 14:40:23,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:40:23,247 INFO L225 Difference]: With dead ends: 448 [2020-10-28 14:40:23,247 INFO L226 Difference]: Without dead ends: 251 [2020-10-28 14:40:23,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=282, Invalid=1124, Unknown=0, NotChecked=0, Total=1406 [2020-10-28 14:40:23,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-10-28 14:40:23,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 205. [2020-10-28 14:40:23,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-28 14:40:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 237 transitions. [2020-10-28 14:40:23,289 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 237 transitions. Word has length 92 [2020-10-28 14:40:23,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:40:23,290 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 237 transitions. [2020-10-28 14:40:23,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 14:40:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 237 transitions. [2020-10-28 14:40:23,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-28 14:40:23,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:23,292 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2020-10-28 14:40:23,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 14:40:23,292 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:23,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:23,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1290820386, now seen corresponding path program 1 times [2020-10-28 14:40:23,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:23,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [156768251] [2020-10-28 14:40:23,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 14:40:23,338 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 14:40:23,338 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 14:40:23,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 14:40:23,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 02:40:23 BoogieIcfgContainer [2020-10-28 14:40:23,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 14:40:23,374 INFO L168 Benchmark]: Toolchain (without parser) took 23715.46 ms. Allocated memory was 169.9 MB in the beginning and 361.8 MB in the end (delta: 191.9 MB). Free memory was 143.7 MB in the beginning and 233.5 MB in the end (delta: -89.8 MB). Peak memory consumption was 103.6 MB. Max. memory is 8.0 GB. [2020-10-28 14:40:23,374 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory is still 98.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 14:40:23,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 859.68 ms. Allocated memory is still 169.9 MB. Free memory was 143.1 MB in the beginning and 147.9 MB in the end (delta: -4.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 8.0 GB. [2020-10-28 14:40:23,376 INFO L168 Benchmark]: Boogie Preprocessor took 97.82 ms. Allocated memory is still 169.9 MB. Free memory was 147.9 MB in the beginning and 144.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 14:40:23,377 INFO L168 Benchmark]: RCFGBuilder took 1144.34 ms. Allocated memory is still 169.9 MB. Free memory was 144.4 MB in the beginning and 127.2 MB in the end (delta: 17.1 MB). Peak memory consumption was 40.6 MB. Max. memory is 8.0 GB. [2020-10-28 14:40:23,378 INFO L168 Benchmark]: TraceAbstraction took 21601.21 ms. Allocated memory was 169.9 MB in the beginning and 361.8 MB in the end (delta: 191.9 MB). Free memory was 126.7 MB in the beginning and 233.5 MB in the end (delta: -106.8 MB). Peak memory consumption was 85.1 MB. Max. memory is 8.0 GB. [2020-10-28 14:40:23,381 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory is still 98.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 859.68 ms. Allocated memory is still 169.9 MB. Free memory was 143.1 MB in the beginning and 147.9 MB in the end (delta: -4.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 97.82 ms. Allocated memory is still 169.9 MB. Free memory was 147.9 MB in the beginning and 144.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1144.34 ms. Allocated memory is still 169.9 MB. Free memory was 144.4 MB in the beginning and 127.2 MB in the end (delta: 17.1 MB). Peak memory consumption was 40.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21601.21 ms. Allocated memory was 169.9 MB in the beginning and 361.8 MB in the end (delta: 191.9 MB). Free memory was 126.7 MB in the beginning and 233.5 MB in the end (delta: -106.8 MB). Peak memory consumption was 85.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 562]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L665] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; [L692] CALL foo() [L681] FCALL ldv_initialize() [L682] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L576] void *ptr = malloc(size); [L577] CALL assume_abort_if_not(ptr!=0) [L565] COND FALSE !(!cond) [L577] RET assume_abort_if_not(ptr!=0) [L578] return ptr; [L682] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L682] struct mutex *m1 = ldv_successful_malloc(sizeof(struct mutex)); [L683] CALL, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L576] void *ptr = malloc(size); [L577] CALL assume_abort_if_not(ptr!=0) [L565] COND FALSE !(!cond) [L577] RET assume_abort_if_not(ptr!=0) [L578] return ptr; [L683] RET, EXPR ldv_successful_malloc(sizeof(struct mutex)) [L683] struct mutex *m2 = ldv_successful_malloc(sizeof(struct mutex)); [L684] CALL mutex_lock(m1) [L669] CALL ldv_is_in_set(m, &mutexes) [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L655] COND FALSE !(&m->list != (s)) [L660] return 0; [L669] RET ldv_is_in_set(m, &mutexes) [L669] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L670] CALL ldv_set_add(m, &mutexes) [L636] CALL, EXPR ldv_is_in_set(new, s) [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L655] COND FALSE !(&m->list != (s)) [L660] return 0; [L636] RET, EXPR ldv_is_in_set(new, s) [L636] COND TRUE !ldv_is_in_set(new, s) [L637] struct ldv_list_element *le; [L638] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L576] void *ptr = malloc(size); [L577] CALL assume_abort_if_not(ptr!=0) [L565] COND FALSE !(!cond) [L577] RET assume_abort_if_not(ptr!=0) [L578] return ptr; [L638] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L638] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L639] le->e = new [L640] CALL ldv_list_add(&le->list, s) [L608] EXPR head->next [L608] CALL __ldv_list_add(new, head, head->next) [L596] next->prev = new [L597] new->next = next [L598] new->prev = prev [L599] prev->next = new [L608] RET __ldv_list_add(new, head, head->next) [L640] RET ldv_list_add(&le->list, s) [L670] RET ldv_set_add(m, &mutexes) [L684] RET mutex_lock(m1) [L685] CALL mutex_lock(m1) [L669] CALL ldv_is_in_set(m, &mutexes) [L654] struct ldv_list_element *m; [L655] EXPR (s)->next [L655] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L655] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) [L655] COND TRUE &m->list != (s) [L656] EXPR m->e [L656] COND TRUE m->e == e [L657] return 1; [L669] RET ldv_is_in_set(m, &mutexes) [L669] COND TRUE ldv_is_in_set(m, &mutexes) [L669] CALL reach_error() [L562] COND FALSE !(0) [L562] __assert_fail ("0", "model/ldv.h", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 134 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 21.5s, OverallIterations: 6, TraceHistogramMax: 5, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 554 SDtfs, 792 SDslu, 447 SDs, 0 SdLazy, 2360 SolverSat, 496 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=205occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 112 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 404 NumberOfCodeBlocks, 404 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 311 ConstructedInterpolants, 0 QuantifiedInterpolants, 94121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 128/165 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...