/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --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 [2020-09-25 05:04:48,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:04:48,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:04:48,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:04:48,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:04:48,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:04:48,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:04:48,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:04:48,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:04:48,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:04:48,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:04:48,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:04:48,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:04:48,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:04:48,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:04:48,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:04:48,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:04:48,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:04:48,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:04:48,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:04:48,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:04:48,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:04:48,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:04:48,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:04:48,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:04:48,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:04:48,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:04:48,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:04:48,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:04:48,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:04:48,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:04:48,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:04:48,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:04:48,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:04:48,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:04:48,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:04:48,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:04:48,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:04:48,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:04:48,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:04:48,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:04:48,661 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 [2020-09-25 05:04:48,689 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:04:48,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:04:48,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:04:48,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:04:48,691 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:04:48,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:04:48,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:04:48,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:04:48,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:04:48,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:04:48,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:04:48,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:04:48,693 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:04:48,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:04:48,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:04:48,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:04:48,694 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:04:48,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:04:48,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:04:48,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:04:48,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:04:48,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:04:48,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:04:48,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:04:48,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:04:48,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:04:48,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 05:04:48,697 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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 05:04:49,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:04:49,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:04:49,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:04:49,191 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:04:49,192 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:04:49,193 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-25 05:04:49,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4dd4a58bc/be30872c82654ae68c1ba0de1d520802/FLAGe74134fd8 [2020-09-25 05:04:50,057 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:04:50,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-25 05:04:50,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4dd4a58bc/be30872c82654ae68c1ba0de1d520802/FLAGe74134fd8 [2020-09-25 05:04:50,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4dd4a58bc/be30872c82654ae68c1ba0de1d520802 [2020-09-25 05:04:50,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:04:50,185 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:04:50,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:04:50,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:04:50,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:04:50,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:50" (1/1) ... [2020-09-25 05:04:50,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8d2598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:50, skipping insertion in model container [2020-09-25 05:04:50,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:50" (1/1) ... [2020-09-25 05:04:50,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:04:50,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:04:50,669 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-09-25 05:04:50,670 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] [2020-09-25 05:04:51,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:04:51,283 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:04:51,344 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-09-25 05:04:51,344 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] [2020-09-25 05:04:51,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:04:51,480 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:04:51,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:51 WrapperNode [2020-09-25 05:04:51,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:04:51,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:04:51,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:04:51,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:04:51,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:51" (1/1) ... [2020-09-25 05:04:51,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:51" (1/1) ... [2020-09-25 05:04:51,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:51" (1/1) ... [2020-09-25 05:04:51,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:51" (1/1) ... [2020-09-25 05:04:51,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:51" (1/1) ... [2020-09-25 05:04:51,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:51" (1/1) ... [2020-09-25 05:04:51,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:51" (1/1) ... [2020-09-25 05:04:51,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:04:51,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:04:51,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:04:51,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:04:51,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:51" (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 [2020-09-25 05:04:51,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:04:51,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:04:51,730 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-25 05:04:51,731 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-25 05:04:51,731 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-09-25 05:04:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-09-25 05:04:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-25 05:04:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-25 05:04:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-09-25 05:04:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 05:04:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 05:04:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 05:04:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 05:04:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 05:04:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 05:04:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 05:04:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 05:04:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 05:04:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-09-25 05:04:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2020-09-25 05:04:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2020-09-25 05:04:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2020-09-25 05:04:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2020-09-25 05:04:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2020-09-25 05:04:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2020-09-25 05:04:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2020-09-25 05:04:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2020-09-25 05:04:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2020-09-25 05:04:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2020-09-25 05:04:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2020-09-25 05:04:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2020-09-25 05:04:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:04:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 05:04:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-25 05:04:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-25 05:04:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-25 05:04:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-25 05:04:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-25 05:04:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-25 05:04:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2020-09-25 05:04:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-25 05:04:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-25 05:04:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-25 05:04:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2020-09-25 05:04:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2020-09-25 05:04:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-25 05:04:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 05:04:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 05:04:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-09-25 05:04:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-25 05:04:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-09-25 05:04:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2020-09-25 05:04:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2020-09-25 05:04:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2020-09-25 05:04:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 05:04:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-09-25 05:04:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 05:04:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 05:04:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:04:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 05:04:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 05:04:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-25 05:04:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-25 05:04:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:04:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-25 05:04:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-09-25 05:04:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-09-25 05:04:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-09-25 05:04:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:04:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-25 05:04:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-25 05:04:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-25 05:04:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-25 05:04:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-09-25 05:04:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 05:04:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-25 05:04:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 05:04:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-25 05:04:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:04:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 05:04:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:04:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 05:04:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 05:04:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 05:04:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 05:04:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:04:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 05:04:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 05:04:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 05:04:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 05:04:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 05:04:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 05:04:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 05:04:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-09-25 05:04:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-09-25 05:04:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2020-09-25 05:04:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2020-09-25 05:04:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2020-09-25 05:04:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2020-09-25 05:04:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2020-09-25 05:04:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2020-09-25 05:04:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2020-09-25 05:04:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2020-09-25 05:04:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2020-09-25 05:04:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2020-09-25 05:04:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2020-09-25 05:04:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2020-09-25 05:04:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2020-09-25 05:04:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2020-09-25 05:04:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2020-09-25 05:04:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:04:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:04:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:04:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2020-09-25 05:04:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2020-09-25 05:04:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2020-09-25 05:04:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 05:04:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 05:04:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-09-25 05:04:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:04:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-25 05:04:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-25 05:04:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-25 05:04:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-25 05:04:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-25 05:04:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-25 05:04:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:04:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:04:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:04:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:04:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 05:04:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:04:52,543 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 05:04:53,473 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:04:53,473 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 05:04:53,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:53 BoogieIcfgContainer [2020-09-25 05:04:53,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:04:53,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:04:53,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:04:53,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:04:53,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:04:50" (1/3) ... [2020-09-25 05:04:53,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ba7ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:04:53, skipping insertion in model container [2020-09-25 05:04:53,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:51" (2/3) ... [2020-09-25 05:04:53,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ba7ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:04:53, skipping insertion in model container [2020-09-25 05:04:53,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:53" (3/3) ... [2020-09-25 05:04:53,498 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 [2020-09-25 05:04:53,513 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:04:53,528 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:04:53,554 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:04:53,599 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:04:53,600 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:04:53,600 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:04:53,601 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:04:53,601 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:04:53,601 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:04:53,602 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:04:53,602 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:04:53,651 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states. [2020-09-25 05:04:53,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-09-25 05:04:53,736 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:04:53,737 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] [2020-09-25 05:04:53,738 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:04:53,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:04:53,746 INFO L82 PathProgramCache]: Analyzing trace with hash 965266846, now seen corresponding path program 1 times [2020-09-25 05:04:53,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:04:53,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483180696] [2020-09-25 05:04:53,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:04:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:54,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:54,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:58,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:59,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:59,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:59,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 509 [2020-09-25 05:04:59,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:04:59,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5068 [2020-09-25 05:04:59,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:59,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:59,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:59,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 491 [2020-09-25 05:04:59,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:04:59,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:04:59,998 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-25 05:05:00,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:00,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:00,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:00,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-25 05:05:00,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:00,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-09-25 05:05:00,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:00,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:00,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:00,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:00,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-25 05:05:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:00,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:00,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:00,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:05:00,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:00,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 05:05:00,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:00,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:00,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:00,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:00,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:00,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:00,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-25 05:05:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:00,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:00,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:00,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:05:00,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:00,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:05:00,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:00,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:00,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:00,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:00,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:00,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-25 05:05:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:00,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:00,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:00,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:05:00,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:00,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:05:00,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:00,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:00,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:00,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:00,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:00,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:00,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2020-09-25 05:05:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:00,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:00,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:00,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:05:00,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:00,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:05:00,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:00,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:00,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:00,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:00,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:00,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:00,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2020-09-25 05:05:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:00,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:00,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:00,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 05:05:00,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:00,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 05:05:00,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:00,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:00,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:00,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:00,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 05:05:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:00,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:00,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:00,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:05:00,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:00,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 05:05:00,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:00,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:00,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:00,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:00,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:00,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-09-25 05:05:00,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-25 05:05:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:00,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:00,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:00,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:05:00,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:00,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:05:00,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:00,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:00,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:00,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-25 05:05:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:00,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:00,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:00,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:00,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:00,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 05:05:00,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:00,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:00,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:00,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-25 05:05:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:00,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:00,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:00,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:05:00,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:00,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:05:00,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:00,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:00,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:00,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-09-25 05:05:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:00,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:00,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:00,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:00,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:00,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:05:00,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:00,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:00,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:00,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:00,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:00,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:00,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-25 05:05:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:00,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:00,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:00,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:05:00,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:00,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:05:00,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:00,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:00,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:00,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:00,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:00,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:05:01,090 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-25 05:05:01,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1483180696] [2020-09-25 05:05:01,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:05:01,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:05:01,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9834072] [2020-09-25 05:05:01,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:05:01,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:05:01,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:05:01,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:05:01,126 INFO L87 Difference]: Start difference. First operand 921 states. Second operand 6 states. [2020-09-25 05:05:01,365 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-25 05:05:05,075 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-25 05:05:08,171 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-25 05:05:09,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:05:09,164 INFO L93 Difference]: Finished difference Result 2030 states and 2469 transitions. [2020-09-25 05:05:09,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 05:05:09,167 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 470 [2020-09-25 05:05:09,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:05:09,203 INFO L225 Difference]: With dead ends: 2030 [2020-09-25 05:05:09,203 INFO L226 Difference]: Without dead ends: 1339 [2020-09-25 05:05:09,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:05:09,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2020-09-25 05:05:09,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 871. [2020-09-25 05:05:09,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 871 states. [2020-09-25 05:05:09,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 958 transitions. [2020-09-25 05:05:09,381 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 958 transitions. Word has length 470 [2020-09-25 05:05:09,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:05:09,384 INFO L479 AbstractCegarLoop]: Abstraction has 871 states and 958 transitions. [2020-09-25 05:05:09,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:05:09,384 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 958 transitions. [2020-09-25 05:05:09,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2020-09-25 05:05:09,401 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:05:09,402 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] [2020-09-25 05:05:09,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:05:09,403 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:05:09,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:05:09,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1164133881, now seen corresponding path program 1 times [2020-09-25 05:05:09,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:05:09,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742915375] [2020-09-25 05:05:09,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:05:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:09,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:09,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:10,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:14,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:14,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 577 [2020-09-25 05:05:14,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:05:14,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 05:05:14,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:14,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:14,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:14,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 346 [2020-09-25 05:05:14,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:05:14,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:14,851 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-25 05:05:14,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:14,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:15,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:15,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-25 05:05:15,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:15,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-25 05:05:15,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:15,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:15,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:15,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:15,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:15,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:15,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-25 05:05:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:15,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:15,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:15,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:05:15,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:15,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:05:15,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:15,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:15,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:15,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:15,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-25 05:05:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:15,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:15,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:15,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:05:15,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:15,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:05:15,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:15,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:15,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:15,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:15,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:15,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:15,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-25 05:05:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:15,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:15,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:15,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:05:15,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:15,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:05:15,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:15,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:15,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:15,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:15,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:15,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-25 05:05:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:15,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:15,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:15,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:15,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:05:15,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:05:15,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 393 [2020-09-25 05:05:15,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:15,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:15,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:15,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-25 05:05:15,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:15,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:15,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 05:05:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:15,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:15,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:15,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:05:15,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:15,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 05:05:15,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:15,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:15,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:15,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:15,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:15,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:05:15,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:05:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:15,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:15,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:15,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:05:15,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:15,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:05:15,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:15,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:15,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:15,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:15,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:15,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:05:15,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 05:05:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:15,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:15,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:15,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:05:15,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:15,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:05:15,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:15,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:15,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:15,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:15,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:15,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:05:15,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-25 05:05:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:15,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:15,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:16,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:16,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:16,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 05:05:16,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:05:16,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 882 [2020-09-25 05:05:16,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:16,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:16,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:16,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-09-25 05:05:16,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:16,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:16,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 05:05:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:16,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:16,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:16,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:05:16,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:16,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 05:05:16,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:16,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:16,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:16,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:16,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:16,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:16,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:05:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:16,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:16,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:16,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:05:16,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:16,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:05:16,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:16,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:16,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:16,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:16,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:16,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:16,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 05:05:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:16,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:16,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:16,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:05:16,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:16,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:05:16,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:16,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:16,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:16,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:16,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:16,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:16,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-09-25 05:05:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:16,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:16,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:16,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-25 05:05:17,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:05:17,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 894 [2020-09-25 05:05:17,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-09-25 05:05:17,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:17,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-25 05:05:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:05:17,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:17,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 05:05:17,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:17,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:05:17,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:05:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:05:17,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:17,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:05:17,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:05:17,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-25 05:05:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:05:17,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:17,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:05:17,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:17,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:05:17,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2020-09-25 05:05:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 05:05:17,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:17,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 05:05:17,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 05:05:17,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:17,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 05:05:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:17,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:17,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:17,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:05:17,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:17,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:05:17,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:17,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:17,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:17,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:17,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:17,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:18,313 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-09-25 05:05:18,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742915375] [2020-09-25 05:05:18,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:05:18,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:05:18,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836510944] [2020-09-25 05:05:18,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:05:18,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:05:18,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:05:18,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:05:18,318 INFO L87 Difference]: Start difference. First operand 871 states and 958 transitions. Second operand 6 states. [2020-09-25 05:05:18,459 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-25 05:05:19,810 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-09-25 05:05:19,999 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-25 05:05:26,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:05:26,370 INFO L93 Difference]: Finished difference Result 2349 states and 2811 transitions. [2020-09-25 05:05:26,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 05:05:26,371 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 528 [2020-09-25 05:05:26,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:05:26,385 INFO L225 Difference]: With dead ends: 2349 [2020-09-25 05:05:26,385 INFO L226 Difference]: Without dead ends: 1812 [2020-09-25 05:05:26,389 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 [2020-09-25 05:05:26,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2020-09-25 05:05:26,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 1188. [2020-09-25 05:05:26,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1188 states. [2020-09-25 05:05:26,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1332 transitions. [2020-09-25 05:05:26,502 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1332 transitions. Word has length 528 [2020-09-25 05:05:26,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:05:26,504 INFO L479 AbstractCegarLoop]: Abstraction has 1188 states and 1332 transitions. [2020-09-25 05:05:26,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:05:26,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1332 transitions. [2020-09-25 05:05:26,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2020-09-25 05:05:26,524 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:05:26,525 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-25 05:05:26,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:05:26,526 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:05:26,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:05:26,526 INFO L82 PathProgramCache]: Analyzing trace with hash -2020239584, now seen corresponding path program 1 times [2020-09-25 05:05:26,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:05:26,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069923827] [2020-09-25 05:05:26,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:05:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:26,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:26,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:27,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:31,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:31,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 591 [2020-09-25 05:05:31,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:05:31,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 05:05:31,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:31,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:31,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 05:05:31,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 470 [2020-09-25 05:05:31,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:05:31,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:31,924 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-25 05:05:31,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:05:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:31,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-25 05:05:32,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-09-25 05:05:32,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:32,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:32,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-25 05:05:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:05:32,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:05:32,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:32,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:32,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-25 05:05:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:05:32,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:05:32,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:32,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:32,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-25 05:05:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:05:32,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:05:32,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:32,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:32,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2020-09-25 05:05:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:05:32,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:05:32,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:32,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:32,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2020-09-25 05:05:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 05:05:32,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 05:05:32,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:05:32,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 05:05:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:05:32,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:05:32,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:32,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:32,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-25 05:05:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:05:32,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:05:32,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:32,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:32,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-25 05:05:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:32,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:05:32,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:05:32,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-25 05:05:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:05:32,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:05:32,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:32,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-09-25 05:05:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:05:32,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 05:05:32,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:05:32,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:32,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:05:32,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:32,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-09-25 05:05:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:32,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:05:32,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 05:05:32,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:32,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-09-25 05:05:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:05:32,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:05:32,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:05:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:32,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2020-09-25 05:05:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:05:32,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:05:32,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:05:32,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:32,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-09-25 05:05:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:05:32,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:05:32,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:05:32,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:32,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2020-09-25 05:05:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 05:05:32,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 05:05:32,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 05:05:32,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:32,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 05:05:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 05:05:32,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:05:32,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:05:32,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:05:32,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-09-25 05:05:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:05:32,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:05:32,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 05:05:32,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:32,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-09-25 05:05:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:05:32,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:05:32,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:05:32,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:05:32,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:05:32,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:05:32,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:05:32,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:05:32,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:05:32,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 05:05:32,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:05:32,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:05:32,996 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-09-25 05:05:32,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069923827] [2020-09-25 05:05:32,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:05:32,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-25 05:05:32,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901499448] [2020-09-25 05:05:32,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:05:32,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:05:32,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:05:33,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:05:33,001 INFO L87 Difference]: Start difference. First operand 1188 states and 1332 transitions. Second operand 7 states. [2020-09-25 05:05:33,140 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-25 05:05:35,792 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-25 05:05:36,254 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 142