/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:39:48,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:39:48,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:39:48,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:39:48,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:39:48,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:39:48,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:39:48,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:39:48,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:39:48,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:39:48,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:39:48,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:39:48,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:39:48,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:39:48,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:39:48,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:39:48,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:39:48,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:39:48,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:39:48,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:39:48,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:39:48,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:39:48,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:39:48,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:39:48,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:39:48,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:39:48,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:39:48,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:39:48,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:39:48,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:39:48,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:39:48,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:39:48,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:39:48,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:39:48,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:39:48,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:39:48,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:39:48,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:39:48,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:39:48,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:39:48,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:39:48,855 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-24 16:39:48,899 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:39:48,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:39:48,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:39:48,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:39:48,902 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:39:48,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:39:48,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:39:48,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:39:48,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:39:48,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:39:48,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:39:48,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:39:48,905 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:39:48,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:39:48,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:39:48,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:39:48,906 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:39:48,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:39:48,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:39:48,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:39:48,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:39:48,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:39:48,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:39:48,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:39:48,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:39:48,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:39:48,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 16:39:48,908 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 16:39:49,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:39:49,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:39:49,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:39:49,386 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:39:49,387 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:39:49,388 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-24 16:39:49,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dcb4f4434/e29c9445a75240388d12a815fa053a28/FLAGb9ba04109 [2020-09-24 16:39:50,249 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:39:50,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-24 16:39:50,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dcb4f4434/e29c9445a75240388d12a815fa053a28/FLAGb9ba04109 [2020-09-24 16:39:50,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dcb4f4434/e29c9445a75240388d12a815fa053a28 [2020-09-24 16:39:50,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:39:50,393 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:39:50,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:39:50,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:39:50,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:39:50,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:39:50" (1/1) ... [2020-09-24 16:39:50,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@461dafa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:50, skipping insertion in model container [2020-09-24 16:39:50,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:39:50" (1/1) ... [2020-09-24 16:39:50,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:39:50,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:39:50,993 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-09-24 16:39:50,994 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2020-09-24 16:39:51,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:39:51,388 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:39:51,505 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-09-24 16:39:51,506 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2020-09-24 16:39:51,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:39:51,675 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:39:51,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:51 WrapperNode [2020-09-24 16:39:51,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:39:51,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:39:51,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:39:51,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:39:51,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:51" (1/1) ... [2020-09-24 16:39:51,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:51" (1/1) ... [2020-09-24 16:39:51,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:51" (1/1) ... [2020-09-24 16:39:51,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:51" (1/1) ... [2020-09-24 16:39:51,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:51" (1/1) ... [2020-09-24 16:39:51,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:51" (1/1) ... [2020-09-24 16:39:51,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:51" (1/1) ... [2020-09-24 16:39:51,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:39:51,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:39:51,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:39:51,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:39:51,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:51" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:39:51,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:39:51,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:39:51,927 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-24 16:39:51,928 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-24 16:39:51,928 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-09-24 16:39:51,928 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-09-24 16:39:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-24 16:39:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-24 16:39:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-09-24 16:39:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 16:39:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 16:39:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 16:39:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 16:39:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 16:39:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 16:39:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 16:39:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 16:39:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 16:39:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-09-24 16:39:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2020-09-24 16:39:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2020-09-24 16:39:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2020-09-24 16:39:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2020-09-24 16:39:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2020-09-24 16:39:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2020-09-24 16:39:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2020-09-24 16:39:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2020-09-24 16:39:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2020-09-24 16:39:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2020-09-24 16:39:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2020-09-24 16:39:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2020-09-24 16:39:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:39:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 16:39:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-24 16:39:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 16:39:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-24 16:39:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-24 16:39:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-24 16:39:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-24 16:39:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2020-09-24 16:39:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-24 16:39:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-24 16:39:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-24 16:39:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2020-09-24 16:39:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2020-09-24 16:39:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-24 16:39:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 16:39:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 16:39:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-09-24 16:39:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-24 16:39:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-09-24 16:39:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2020-09-24 16:39:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2020-09-24 16:39:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2020-09-24 16:39:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 16:39:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-09-24 16:39:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 16:39:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 16:39:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:39:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 16:39:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 16:39:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-24 16:39:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-24 16:39:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 16:39:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-24 16:39:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-09-24 16:39:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-09-24 16:39:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-09-24 16:39:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 16:39:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-24 16:39:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-24 16:39:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-24 16:39:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-24 16:39:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-09-24 16:39:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 16:39:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-24 16:39:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 16:39:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-24 16:39:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 16:39:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 16:39:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:39:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 16:39:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 16:39:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 16:39:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 16:39:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 16:39:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 16:39:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 16:39:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 16:39:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 16:39:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 16:39:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 16:39:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 16:39:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-09-24 16:39:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-09-24 16:39:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2020-09-24 16:39:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2020-09-24 16:39:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2020-09-24 16:39:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2020-09-24 16:39:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2020-09-24 16:39:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2020-09-24 16:39:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2020-09-24 16:39:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2020-09-24 16:39:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2020-09-24 16:39:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2020-09-24 16:39:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2020-09-24 16:39:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2020-09-24 16:39:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2020-09-24 16:39:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2020-09-24 16:39:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2020-09-24 16:39:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 16:39:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 16:39:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 16:39:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2020-09-24 16:39:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2020-09-24 16:39:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2020-09-24 16:39:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 16:39:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 16:39:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-09-24 16:39:51,959 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:39:51,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-24 16:39:51,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 16:39:51,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-24 16:39:51,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-24 16:39:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-24 16:39:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-24 16:39:51,962 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 16:39:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:39:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:39:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 16:39:51,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 16:39:51,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:39:52,692 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 16:39:53,535 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:39:53,536 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 16:39:53,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:39:53 BoogieIcfgContainer [2020-09-24 16:39:53,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:39:53,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:39:53,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:39:53,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:39:53,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:39:50" (1/3) ... [2020-09-24 16:39:53,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d4b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:39:53, skipping insertion in model container [2020-09-24 16:39:53,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:51" (2/3) ... [2020-09-24 16:39:53,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d4b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:39:53, skipping insertion in model container [2020-09-24 16:39:53,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:39:53" (3/3) ... [2020-09-24 16:39:53,557 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-24 16:39:53,569 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:39:53,580 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:39:53,640 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:39:53,676 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:39:53,676 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:39:53,676 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:39:53,677 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:39:53,677 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:39:53,677 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:39:53,677 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:39:53,677 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:39:53,719 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states. [2020-09-24 16:39:53,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-09-24 16:39:53,754 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:39:53,756 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:39:53,756 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:39:53,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:39:53,767 INFO L82 PathProgramCache]: Analyzing trace with hash 965266846, now seen corresponding path program 1 times [2020-09-24 16:39:53,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:39:53,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1324113815] [2020-09-24 16:39:53,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:39:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:54,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:54,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:54,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:54,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:54,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 509 [2020-09-24 16:39:54,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:54,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 16:39:54,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:54,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:54,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 470 [2020-09-24 16:39:54,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 16:39:54,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:54,845 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 16:39:54,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:54,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:54,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:54,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:54,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:54,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 16:39:54,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:54,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:54,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:54,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:55,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 16:39:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:55,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:55,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:55,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:55,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:55,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:39:55,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:55,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:55,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:55,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:55,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:55,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:55,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:55,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 16:39:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:55,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:55,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:55,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:55,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:55,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:39:55,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:55,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:55,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:55,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:55,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:55,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:55,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:55,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 16:39:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:55,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:55,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:55,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:55,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:55,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:39:55,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:55,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:55,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:55,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:55,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:55,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:55,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:55,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2020-09-24 16:39:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:55,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:55,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:55,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:55,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:55,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:39:55,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:55,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:55,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:55,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:55,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:55,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2020-09-24 16:39:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:55,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:55,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:55,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:55,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:55,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 16:39:55,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:55,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:55,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:55,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:55,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:55,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:55,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:55,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 16:39:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:55,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:55,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:55,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:55,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:55,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:39:55,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:55,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:55,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:55,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:55,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:55,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:55,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:55,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-24 16:39:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:55,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:55,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:55,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:55,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:55,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:39:55,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:55,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:55,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:55,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:55,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:55,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:55,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:55,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-24 16:39:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:55,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:55,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:55,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:55,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:55,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:39:55,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:55,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:55,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:55,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:55,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:55,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:55,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:55,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-24 16:39:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:55,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:55,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:55,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:55,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:55,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:39:55,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:55,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:55,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:55,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:55,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:55,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:55,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:55,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-09-24 16:39:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:55,324 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:55,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:55,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:55,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:55,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:39:55,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:55,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:55,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:55,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:55,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 16:39:55,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:55,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:55,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-24 16:39:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:55,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:55,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:55,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:55,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:55,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:39:55,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:55,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:55,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:55,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:55,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:39:55,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:55,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:55,526 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 16:39:55,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1324113815] [2020-09-24 16:39:55,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:39:55,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 16:39:55,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339209557] [2020-09-24 16:39:55,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 16:39:55,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:39:55,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 16:39:55,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 16:39:55,558 INFO L87 Difference]: Start difference. First operand 921 states. Second operand 6 states. [2020-09-24 16:39:55,729 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-24 16:39:59,493 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 16:40:02,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:40:02,409 INFO L93 Difference]: Finished difference Result 1928 states and 2306 transitions. [2020-09-24 16:40:02,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 16:40:02,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 470 [2020-09-24 16:40:02,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:40:02,446 INFO L225 Difference]: With dead ends: 1928 [2020-09-24 16:40:02,446 INFO L226 Difference]: Without dead ends: 1237 [2020-09-24 16:40:02,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:40:02,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2020-09-24 16:40:02,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 847. [2020-09-24 16:40:02,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2020-09-24 16:40:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 923 transitions. [2020-09-24 16:40:02,649 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 923 transitions. Word has length 470 [2020-09-24 16:40:02,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:40:02,654 INFO L479 AbstractCegarLoop]: Abstraction has 847 states and 923 transitions. [2020-09-24 16:40:02,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 16:40:02,654 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 923 transitions. [2020-09-24 16:40:02,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2020-09-24 16:40:02,670 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:40:02,670 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:40:02,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:40:02,671 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:40:02,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:40:02,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1931197204, now seen corresponding path program 1 times [2020-09-24 16:40:02,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:40:02,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1563131733] [2020-09-24 16:40:02,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:40:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:02,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:02,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:02,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:02,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:02,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 535 [2020-09-24 16:40:02,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:02,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 16:40:02,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:02,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 16:40:02,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 470 [2020-09-24 16:40:02,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 16:40:02,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-24 16:40:03,209 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 16:40:03,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:03,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:03,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:03,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:03,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:03,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 16:40:03,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:03,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:03,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:03,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:03,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 16:40:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:03,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:03,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:03,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:03,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:03,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:03,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:03,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:03,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:03,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:03,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:03,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:03,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:03,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 16:40:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:03,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:03,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:03,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:03,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:03,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:03,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:03,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:03,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:03,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:03,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:03,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:03,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:03,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 16:40:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:03,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:03,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:03,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:03,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:03,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:40:03,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:03,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:03,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:03,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:03,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:03,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:03,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:03,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2020-09-24 16:40:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:03,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:03,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:03,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:03,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:03,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:40:03,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:03,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:03,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:03,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:03,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:03,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:03,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:03,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2020-09-24 16:40:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:03,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:03,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:03,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:03,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:03,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 16:40:03,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:03,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:03,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:03,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:03,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:03,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:03,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:03,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 16:40:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:03,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:03,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:03,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:03,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:03,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:03,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:03,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:03,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:03,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:03,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:03,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-24 16:40:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:03,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:03,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:03,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:03,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:03,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:03,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:03,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:03,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:03,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:03,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:03,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:03,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-24 16:40:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:03,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:03,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:03,611 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:03,611 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:03,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:03,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:03,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:03,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:03,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:03,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:03,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:03,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 16:40:03,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-24 16:40:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:03,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:03,622 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:03,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:03,623 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:03,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:03,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:03,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:03,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:03,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:03,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:03,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:03,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:03,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-09-24 16:40:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:03,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:03,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:03,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:03,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:03,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:03,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:03,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:03,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:40:03,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:03,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-09-24 16:40:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:03,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:03,646 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:03,646 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:03,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:03,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:40:03,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:03,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:03,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 16:40:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:03,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:03,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-09-24 16:40:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:03,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:03,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:03,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:03,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:03,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:03,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:03,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:03,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:03,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:03,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:40:03,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:03,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:03,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2020-09-24 16:40:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:03,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:03,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:03,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:03,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:03,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:03,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:03,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:03,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:03,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:03,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:40:03,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:03,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:04,096 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-09-24 16:40:04,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1563131733] [2020-09-24 16:40:04,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:40:04,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 16:40:04,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692539021] [2020-09-24 16:40:04,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:40:04,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:40:04,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:40:04,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:40:04,105 INFO L87 Difference]: Start difference. First operand 847 states and 923 transitions. Second operand 7 states. [2020-09-24 16:40:04,300 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-24 16:40:07,371 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 16:40:07,730 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 16:40:10,802 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-24 16:40:11,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:40:11,636 INFO L93 Difference]: Finished difference Result 1886 states and 2254 transitions. [2020-09-24 16:40:11,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 16:40:11,637 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 492 [2020-09-24 16:40:11,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:40:11,648 INFO L225 Difference]: With dead ends: 1886 [2020-09-24 16:40:11,648 INFO L226 Difference]: Without dead ends: 1373 [2020-09-24 16:40:11,651 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:40:11,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2020-09-24 16:40:11,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 883. [2020-09-24 16:40:11,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2020-09-24 16:40:11,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 973 transitions. [2020-09-24 16:40:11,727 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 973 transitions. Word has length 492 [2020-09-24 16:40:11,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:40:11,728 INFO L479 AbstractCegarLoop]: Abstraction has 883 states and 973 transitions. [2020-09-24 16:40:11,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:40:11,729 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 973 transitions. [2020-09-24 16:40:11,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2020-09-24 16:40:11,745 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:40:11,746 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:40:11,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:40:11,746 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:40:11,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:40:11,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1164133881, now seen corresponding path program 1 times [2020-09-24 16:40:11,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:40:11,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1888551990] [2020-09-24 16:40:11,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:40:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:11,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:11,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:11,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:11,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:11,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 577 [2020-09-24 16:40:11,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:11,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:40:11,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:11,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:11,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 346 [2020-09-24 16:40:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 16:40:11,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,134 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 16:40:12,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 16:40:12,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 16:40:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:12,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 16:40:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:12,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 16:40:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:40:12,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-24 16:40:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 16:40:12,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-24 16:40:12,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 16:40:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:12,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:40:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:12,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 16:40:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:12,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-24 16:40:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 16:40:12,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:40:12,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-09-24 16:40:12,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 16:40:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:12,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:12,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:40:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:12,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 16:40:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,519 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:12,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-09-24 16:40:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-24 16:40:12,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:40:12,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-09-24 16:40:12,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 16:40:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:12,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:40:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:12,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:40:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,586 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,586 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:12,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2020-09-24 16:40:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 16:40:12,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 16:40:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 16:40:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:12,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:40:12,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,934 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-09-24 16:40:12,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1888551990] [2020-09-24 16:40:12,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:40:12,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 16:40:12,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464370571] [2020-09-24 16:40:12,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 16:40:12,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:40:12,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 16:40:12,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 16:40:12,939 INFO L87 Difference]: Start difference. First operand 883 states and 973 transitions. Second operand 6 states. [2020-09-24 16:40:13,115 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-24 16:40:14,273 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-09-24 16:40:14,449 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-24 16:40:20,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:40:20,685 INFO L93 Difference]: Finished difference Result 2409 states and 2886 transitions. [2020-09-24 16:40:20,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 16:40:20,686 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 528 [2020-09-24 16:40:20,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:40:20,699 INFO L225 Difference]: With dead ends: 2409 [2020-09-24 16:40:20,699 INFO L226 Difference]: Without dead ends: 1860 [2020-09-24 16:40:20,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:40:20,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2020-09-24 16:40:20,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1212. [2020-09-24 16:40:20,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1212 states. [2020-09-24 16:40:20,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1362 transitions. [2020-09-24 16:40:20,797 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1362 transitions. Word has length 528 [2020-09-24 16:40:20,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:40:20,798 INFO L479 AbstractCegarLoop]: Abstraction has 1212 states and 1362 transitions. [2020-09-24 16:40:20,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 16:40:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1362 transitions. [2020-09-24 16:40:20,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2020-09-24 16:40:20,812 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:40:20,812 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:40:20,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 16:40:20,813 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:40:20,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:40:20,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1340064900, now seen corresponding path program 1 times [2020-09-24 16:40:20,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:40:20,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [496178360] [2020-09-24 16:40:20,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:40:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:20,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:20,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:20,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:20,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:20,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 624 [2020-09-24 16:40:20,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:20,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 16:40:20,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:20,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 16:40:20,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 447 [2020-09-24 16:40:20,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 16:40:20,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:21,283 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 16:40:21,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 16:40:21,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:21,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:21,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:21,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:21,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:21,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:21,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:21,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 16:40:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:21,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:21,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:21,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:21,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:21,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:21,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:21,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:21,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 16:40:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:21,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:21,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:21,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:21,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:21,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:21,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 16:40:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:40:21,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:21,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:21,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:21,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:21,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:21,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:21,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:21,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-09-24 16:40:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:21,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:21,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:21,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:21,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:21,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:21,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:21,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:21,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 16:40:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,484 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:40:21,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:21,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:21,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:21,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:21,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:21,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:21,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:21,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-24 16:40:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 16:40:21,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:21,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 16:40:21,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 16:40:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 16:40:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 16:40:21,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:21,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 16:40:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:21,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:21,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:40:21,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:21,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:40:21,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:21,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 16:40:21,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:21,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:40:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:21,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:21,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:40:21,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:21,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 16:40:21,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:21,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 16:40:21,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:21,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 16:40:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:21,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:21,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-24 16:40:21,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:21,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:40:21,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 16:40:21,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:40:21,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:21,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-09-24 16:40:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 16:40:21,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:21,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:21,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:21,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:21,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-09-24 16:40:21,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:21,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:21,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 16:40:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:21,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:21,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:21,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:21,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:21,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:21,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:21,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:21,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:40:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:21,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:21,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:21,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:21,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:21,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:21,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:21,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:21,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 16:40:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:21,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:21,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:21,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:21,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:21,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:21,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:21,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:21,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-09-24 16:40:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-24 16:40:21,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:21,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:21,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-09-24 16:40:21,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:21,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:21,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 16:40:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:21,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:21,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:21,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:21,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:21,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:21,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:21,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:21,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:40:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:21,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:21,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:21,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:21,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:21,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:21,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:22,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:22,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:22,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:22,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:22,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:22,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:22,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:40:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:22,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:22,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:22,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:22,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:22,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:22,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:22,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:22,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:22,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:22,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:22,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:22,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-09-24 16:40:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:22,020 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:22,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:22,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:22,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:22,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 16:40:22,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:22,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:22,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 16:40:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:22,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:22,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 16:40:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:22,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:22,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:22,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:22,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:22,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:22,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:22,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:22,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:22,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:22,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:22,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:22,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:22,192 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-09-24 16:40:22,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [496178360] [2020-09-24 16:40:22,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:40:22,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 16:40:22,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618985765] [2020-09-24 16:40:22,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 16:40:22,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:40:22,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 16:40:22,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-09-24 16:40:22,194 INFO L87 Difference]: Start difference. First operand 1212 states and 1362 transitions. Second operand 13 states. [2020-09-24 16:40:22,393 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-24 16:40:24,060 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-09-24 16:40:24,568 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-09-24 16:40:24,801 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-09-24 16:40:25,035 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-09-24 16:40:25,277 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-09-24 16:40:25,509 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-09-24 16:40:25,736 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-09-24 16:40:25,979 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-09-24 16:40:26,200 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-09-24 16:40:30,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:40:30,419 INFO L93 Difference]: Finished difference Result 2731 states and 3275 transitions. [2020-09-24 16:40:30,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 16:40:30,420 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 571 [2020-09-24 16:40:30,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:40:30,431 INFO L225 Difference]: With dead ends: 2731 [2020-09-24 16:40:30,431 INFO L226 Difference]: Without dead ends: 1853 [2020-09-24 16:40:30,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2020-09-24 16:40:30,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1853 states. [2020-09-24 16:40:30,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1853 to 1223. [2020-09-24 16:40:30,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2020-09-24 16:40:30,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1379 transitions. [2020-09-24 16:40:30,550 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1379 transitions. Word has length 571 [2020-09-24 16:40:30,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:40:30,551 INFO L479 AbstractCegarLoop]: Abstraction has 1223 states and 1379 transitions. [2020-09-24 16:40:30,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 16:40:30,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1379 transitions. [2020-09-24 16:40:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2020-09-24 16:40:30,572 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:40:30,573 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:40:30,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 16:40:30,573 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:40:30,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:40:30,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1628244164, now seen corresponding path program 1 times [2020-09-24 16:40:30,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:40:30,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643612695] [2020-09-24 16:40:30,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:40:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:30,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:30,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:30,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:30,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:30,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 644 [2020-09-24 16:40:30,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:30,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:40:30,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:30,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:40:30,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 461 [2020-09-24 16:40:30,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 16:40:30,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:30,996 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 16:40:30,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,012 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,012 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 16:40:31,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:31,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 16:40:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:31,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:31,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 16:40:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:31,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:31,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 16:40:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:40:31,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:31,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-09-24 16:40:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:31,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:31,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 16:40:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:40:31,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:31,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:31,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-24 16:40:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 16:40:31,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:40:31,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:40:31,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 16:40:31,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:31,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 16:40:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:31,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:31,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:40:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:31,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:31,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 16:40:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:31,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:40:31,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 16:40:31,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:40:31,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:31,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-09-24 16:40:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-09-24 16:40:31,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-09-24 16:40:31,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:31,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 16:40:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,388 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 16:40:31,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:31,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:40:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:31,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:31,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 16:40:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:31,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:31,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 16:40:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:31,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:31,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2020-09-24 16:40:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-09-24 16:40:31,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-09-24 16:40:31,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:31,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 16:40:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 16:40:31,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:31,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:31,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:40:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:31,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:31,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 16:40:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:31,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:31,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 16:40:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:31,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:31,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2020-09-24 16:40:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 16:40:31,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 16:40:31,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:31,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 16:40:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:31,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:31,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:31,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:31,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:31,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:31,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:31,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:31,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:31,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:31,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:31,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:31,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:31,897 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2020-09-24 16:40:31,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643612695] [2020-09-24 16:40:31,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:40:31,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 16:40:31,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327482055] [2020-09-24 16:40:31,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 16:40:31,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:40:31,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 16:40:31,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-24 16:40:31,904 INFO L87 Difference]: Start difference. First operand 1223 states and 1379 transitions. Second operand 12 states. [2020-09-24 16:40:32,092 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-24 16:40:35,366 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-09-24 16:40:35,656 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-09-24 16:40:35,948 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-09-24 16:40:36,213 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-09-24 16:40:36,476 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-09-24 16:40:36,755 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-09-24 16:40:37,015 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-09-24 16:40:37,261 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-09-24 16:40:41,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:40:41,774 INFO L93 Difference]: Finished difference Result 2716 states and 3250 transitions. [2020-09-24 16:40:41,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 16:40:41,775 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 587 [2020-09-24 16:40:41,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:40:41,785 INFO L225 Difference]: With dead ends: 2716 [2020-09-24 16:40:41,785 INFO L226 Difference]: Without dead ends: 1827 [2020-09-24 16:40:41,788 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2020-09-24 16:40:41,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2020-09-24 16:40:41,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1233. [2020-09-24 16:40:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1233 states. [2020-09-24 16:40:41,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1389 transitions. [2020-09-24 16:40:41,883 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1389 transitions. Word has length 587 [2020-09-24 16:40:41,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:40:41,884 INFO L479 AbstractCegarLoop]: Abstraction has 1233 states and 1389 transitions. [2020-09-24 16:40:41,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 16:40:41,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1389 transitions. [2020-09-24 16:40:41,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2020-09-24 16:40:41,892 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:40:41,893 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:40:41,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 16:40:41,893 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:40:41,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:40:41,894 INFO L82 PathProgramCache]: Analyzing trace with hash -635240572, now seen corresponding path program 1 times [2020-09-24 16:40:41,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:40:41,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [941676003] [2020-09-24 16:40:41,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:40:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 16:40:42,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -176 [2020-09-24 16:40:42,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 176 [2020-09-24 16:40:42,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 634 [2020-09-24 16:40:42,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:40:42,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:40:42,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 524 [2020-09-24 16:40:42,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:40:42,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:42,354 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 16:40:42,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 16:40:42,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 16:40:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:42,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 16:40:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:42,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:42,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 16:40:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:40:42,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-09-24 16:40:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:42,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 16:40:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:40:42,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-24 16:40:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 16:40:42,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 16:40:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 16:40:42,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:42,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:40:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:42,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 16:40:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:42,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-24 16:40:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,622 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,622 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:42,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-09-24 16:40:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 16:40:42,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:40:42,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:40:42,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-24 16:40:42,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:40:42,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 16:40:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:42,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:42,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:40:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:42,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 16:40:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:42,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:42,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 16:40:42,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:40:42,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:42,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2020-09-24 16:40:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-24 16:40:42,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-09-24 16:40:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 16:40:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:42,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:40:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:42,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:42,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 16:40:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:42,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:42,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2020-09-24 16:40:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 16:40:42,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 16:40:42,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 16:40:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:42,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:43,146 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-09-24 16:40:43,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [941676003] [2020-09-24 16:40:43,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:40:43,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 16:40:43,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061528890] [2020-09-24 16:40:43,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 16:40:43,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:40:43,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 16:40:43,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:40:43,149 INFO L87 Difference]: Start difference. First operand 1233 states and 1389 transitions. Second operand 9 states. [2020-09-24 16:40:43,299 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 145