/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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:03:37,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:03:37,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:03:37,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:03:37,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:03:37,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:03:37,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:03:37,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:03:37,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:03:37,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:03:37,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:03:37,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:03:37,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:03:37,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:03:37,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:03:37,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:03:37,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:03:37,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:03:37,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:03:37,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:03:37,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:03:37,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:03:37,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:03:37,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:03:37,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:03:37,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:03:37,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:03:37,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:03:37,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:03:37,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:03:37,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:03:37,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:03:37,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:03:37,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:03:37,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:03:37,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:03:37,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:03:37,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:03:37,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:03:37,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:03:37,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:03:37,453 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-24 20:03:37,486 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:03:37,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:03:37,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:03:37,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:03:37,488 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:03:37,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:03:37,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:03:37,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:03:37,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:03:37,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:03:37,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:03:37,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:03:37,490 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:03:37,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:03:37,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:03:37,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:03:37,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:03:37,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:03:37,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:03:37,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:03:37,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:03:37,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:03:37,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:03:37,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:03:37,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:03:37,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:03:37,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 20:03:37,493 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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 20:03:37,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:03:37,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:03:38,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:03:38,005 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:03:38,005 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:03:38,006 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-24 20:03:38,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8ad4ed5bb/34f4b3e95af44d6ea86dd167550e8098/FLAG8ffc98919 [2020-09-24 20:03:38,814 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:03:38,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-24 20:03:38,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8ad4ed5bb/34f4b3e95af44d6ea86dd167550e8098/FLAG8ffc98919 [2020-09-24 20:03:38,982 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8ad4ed5bb/34f4b3e95af44d6ea86dd167550e8098 [2020-09-24 20:03:38,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:03:39,006 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:03:39,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:03:39,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:03:39,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:03:39,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:03:38" (1/1) ... [2020-09-24 20:03:39,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f34280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:39, skipping insertion in model container [2020-09-24 20:03:39,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:03:38" (1/1) ... [2020-09-24 20:03:39,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:03:39,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:03:39,497 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-09-24 20:03:39,502 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2020-09-24 20:03:40,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:03:40,079 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:03:40,182 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-09-24 20:03:40,182 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2020-09-24 20:03:40,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:03:40,316 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:03:40,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:40 WrapperNode [2020-09-24 20:03:40,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:03:40,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:03:40,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:03:40,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:03:40,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:40" (1/1) ... [2020-09-24 20:03:40,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:40" (1/1) ... [2020-09-24 20:03:40,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:40" (1/1) ... [2020-09-24 20:03:40,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:40" (1/1) ... [2020-09-24 20:03:40,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:40" (1/1) ... [2020-09-24 20:03:40,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:40" (1/1) ... [2020-09-24 20:03:40,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:40" (1/1) ... [2020-09-24 20:03:40,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:03:40,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:03:40,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:03:40,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:03:40,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:40" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:03:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:03:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:03:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-24 20:03:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-24 20:03:40,580 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-09-24 20:03:40,580 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-09-24 20:03:40,581 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-24 20:03:40,581 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-24 20:03:40,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-09-24 20:03:40,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 20:03:40,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 20:03:40,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 20:03:40,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 20:03:40,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 20:03:40,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 20:03:40,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 20:03:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 20:03:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 20:03:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-09-24 20:03:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2020-09-24 20:03:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2020-09-24 20:03:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2020-09-24 20:03:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2020-09-24 20:03:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2020-09-24 20:03:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2020-09-24 20:03:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2020-09-24 20:03:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2020-09-24 20:03:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2020-09-24 20:03:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2020-09-24 20:03:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2020-09-24 20:03:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2020-09-24 20:03:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:03:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 20:03:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-24 20:03:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 20:03:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-24 20:03:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-24 20:03:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-24 20:03:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-24 20:03:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2020-09-24 20:03:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-24 20:03:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-24 20:03:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-24 20:03:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2020-09-24 20:03:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2020-09-24 20:03:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-24 20:03:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 20:03:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 20:03:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-09-24 20:03:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-24 20:03:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-09-24 20:03:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2020-09-24 20:03:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2020-09-24 20:03:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2020-09-24 20:03:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 20:03:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-09-24 20:03:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 20:03:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 20:03:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:03:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 20:03:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 20:03:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-24 20:03:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-24 20:03:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:03:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-24 20:03:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-09-24 20:03:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-09-24 20:03:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-09-24 20:03:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:03:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-24 20:03:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-24 20:03:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-24 20:03:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-24 20:03:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-09-24 20:03:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 20:03:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-24 20:03:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 20:03:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-24 20:03:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:03:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 20:03:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:03:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 20:03:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 20:03:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 20:03:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 20:03:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:03:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 20:03:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 20:03:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 20:03:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 20:03:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 20:03:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 20:03:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 20:03:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-09-24 20:03:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-09-24 20:03:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2020-09-24 20:03:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2020-09-24 20:03:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2020-09-24 20:03:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2020-09-24 20:03:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2020-09-24 20:03:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2020-09-24 20:03:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2020-09-24 20:03:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2020-09-24 20:03:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2020-09-24 20:03:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2020-09-24 20:03:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2020-09-24 20:03:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2020-09-24 20:03:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2020-09-24 20:03:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2020-09-24 20:03:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2020-09-24 20:03:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:03:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:03:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:03:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2020-09-24 20:03:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2020-09-24 20:03:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2020-09-24 20:03:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 20:03:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 20:03:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-09-24 20:03:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:03:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-24 20:03:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 20:03:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-24 20:03:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-24 20:03:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-24 20:03:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-24 20:03:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:03:40,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:03:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:03:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:03:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 20:03:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:03:41,406 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 20:03:42,292 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:03:42,292 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 20:03:42,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:03:42 BoogieIcfgContainer [2020-09-24 20:03:42,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:03:42,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:03:42,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:03:42,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:03:42,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:03:38" (1/3) ... [2020-09-24 20:03:42,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a42d68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:03:42, skipping insertion in model container [2020-09-24 20:03:42,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:40" (2/3) ... [2020-09-24 20:03:42,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a42d68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:03:42, skipping insertion in model container [2020-09-24 20:03:42,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:03:42" (3/3) ... [2020-09-24 20:03:42,315 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-24 20:03:42,329 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:03:42,341 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:03:42,368 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:03:42,408 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:03:42,408 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:03:42,409 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:03:42,409 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:03:42,410 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:03:42,410 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:03:42,410 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:03:42,411 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:03:42,452 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states. [2020-09-24 20:03:42,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-09-24 20:03:42,533 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:03:42,536 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:03:42,536 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:03:42,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:03:42,545 INFO L82 PathProgramCache]: Analyzing trace with hash 965266846, now seen corresponding path program 1 times [2020-09-24 20:03:42,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:03:42,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302248744] [2020-09-24 20:03:42,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:03:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:43,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:43,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:44,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:44,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 509 [2020-09-24 20:03:44,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:03:44,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1138 [2020-09-24 20:03:44,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:44,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:03:44,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 470 [2020-09-24 20:03:44,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 20:03:44,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 20:03:44,704 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 20:03:44,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:03:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:44,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:45,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:45,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 20:03:45,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:45,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-09-24 20:03:45,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:45,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:45,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:45,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:45,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:45,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 20:03:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:45,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:45,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:45,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:03:45,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:45,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 20:03:45,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:45,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:45,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:45,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:45,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:45,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 20:03:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:45,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:45,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:45,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:03:45,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:45,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 20:03:45,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:45,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:45,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:45,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:45,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:45,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 20:03:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:45,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:45,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:45,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:03:45,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:45,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:03:45,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:45,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:45,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:45,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:45,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:45,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2020-09-24 20:03:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:45,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:45,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:45,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:03:45,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:45,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 20:03:45,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:45,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:45,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:45,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:45,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:45,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2020-09-24 20:03:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:45,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:45,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:45,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 20:03:45,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:45,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 20:03:45,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:45,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:45,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 20:03:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:45,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:45,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:45,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:03:45,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:45,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 20:03:45,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:45,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:45,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:45,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:45,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:45,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-24 20:03:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:45,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:45,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:45,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:03:45,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:45,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 20:03:45,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:45,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:45,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:45,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:45,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:45,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-24 20:03:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:45,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:45,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:45,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:03:45,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:45,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:03:45,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:45,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:45,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:45,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:45,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:45,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-24 20:03:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:45,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:45,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:45,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:03:45,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:45,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:03:45,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:45,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:45,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:45,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-09-24 20:03:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:45,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:45,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:45,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:03:45,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:45,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:03:45,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:45,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:45,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 20:03:45,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:45,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:45,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-24 20:03:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:45,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:45,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:45,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:03:45,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:45,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-24 20:03:45,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:45,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:45,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:03:45,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:45,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:45,896 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 20:03:45,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302248744] [2020-09-24 20:03:45,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:03:45,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 20:03:45,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729033721] [2020-09-24 20:03:45,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 20:03:45,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:03:45,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 20:03:45,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 20:03:45,930 INFO L87 Difference]: Start difference. First operand 921 states. Second operand 6 states. [2020-09-24 20:03:46,166 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-24 20:03:50,106 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 20:03:53,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:03:53,121 INFO L93 Difference]: Finished difference Result 1928 states and 2306 transitions. [2020-09-24 20:03:53,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 20:03:53,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 470 [2020-09-24 20:03:53,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:03:53,173 INFO L225 Difference]: With dead ends: 1928 [2020-09-24 20:03:53,173 INFO L226 Difference]: Without dead ends: 1237 [2020-09-24 20:03:53,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:03:53,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2020-09-24 20:03:53,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 847. [2020-09-24 20:03:53,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2020-09-24 20:03:53,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 923 transitions. [2020-09-24 20:03:53,368 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 923 transitions. Word has length 470 [2020-09-24 20:03:53,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:03:53,372 INFO L479 AbstractCegarLoop]: Abstraction has 847 states and 923 transitions. [2020-09-24 20:03:53,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 20:03:53,372 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 923 transitions. [2020-09-24 20:03:53,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2020-09-24 20:03:53,388 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:03:53,389 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:03:53,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:03:53,390 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:03:53,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:03:53,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1931197204, now seen corresponding path program 1 times [2020-09-24 20:03:53,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:03:53,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1951714385] [2020-09-24 20:03:53,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:03:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:53,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:53,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:54,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:54,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 535 [2020-09-24 20:03:54,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:03:54,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1022 [2020-09-24 20:03:54,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:54,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 20:03:54,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 470 [2020-09-24 20:03:54,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 20:03:54,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:54,827 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 20:03:54,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:03:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:54,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:55,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:55,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 20:03:55,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:55,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 374 [2020-09-24 20:03:55,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:55,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:55,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:55,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:55,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:55,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 20:03:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:55,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:55,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:55,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:03:55,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:55,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 20:03:55,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:55,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:55,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:55,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:55,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:55,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 20:03:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:55,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:55,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:55,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:03:55,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:55,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 20:03:55,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:55,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:55,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 20:03:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:55,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:55,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:55,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:03:55,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:55,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:03:55,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:55,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:55,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:55,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:55,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:55,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2020-09-24 20:03:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:55,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:55,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:55,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:03:55,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:55,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:03:55,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:55,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:55,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:55,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:55,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:55,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2020-09-24 20:03:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:55,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:55,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:55,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 20:03:55,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:55,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 20:03:55,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:55,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:55,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:55,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:55,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:55,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 20:03:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:55,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:55,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:55,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:03:55,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:55,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 20:03:55,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:55,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:55,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:55,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-24 20:03:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:55,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:55,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:55,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:03:55,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:55,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:03:55,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:55,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:55,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:55,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:55,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:55,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-24 20:03:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:55,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:55,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:55,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:03:55,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:55,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:03:55,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:55,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:55,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:55,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:55,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-24 20:03:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:55,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:55,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:55,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:03:55,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:55,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:03:55,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:55,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:55,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:55,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:55,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:55,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-09-24 20:03:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:55,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:55,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:55,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:03:55,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:55,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 20:03:55,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:55,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:03:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:03:55,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:55,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-09-24 20:03:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:55,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:55,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:55,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:03:55,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:55,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:03:55,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:55,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:55,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 20:03:55,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:55,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:55,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-09-24 20:03:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:55,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:55,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:55,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:03:55,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:55,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:03:55,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:03:55,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:55,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:55,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2020-09-24 20:03:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:55,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:55,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:55,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:03:55,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:55,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:03:55,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:55,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:55,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:03:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:55,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:56,125 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-09-24 20:03:56,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1951714385] [2020-09-24 20:03:56,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:03:56,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 20:03:56,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040440824] [2020-09-24 20:03:56,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 20:03:56,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:03:56,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 20:03:56,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 20:03:56,132 INFO L87 Difference]: Start difference. First operand 847 states and 923 transitions. Second operand 7 states. [2020-09-24 20:03:56,371 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-24 20:03:59,540 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 20:03:59,880 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 20:04:02,935 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-24 20:04:03,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:04:03,739 INFO L93 Difference]: Finished difference Result 1886 states and 2254 transitions. [2020-09-24 20:04:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 20:04:03,739 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 492 [2020-09-24 20:04:03,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:04:03,749 INFO L225 Difference]: With dead ends: 1886 [2020-09-24 20:04:03,749 INFO L226 Difference]: Without dead ends: 1373 [2020-09-24 20:04:03,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 20:04:03,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2020-09-24 20:04:03,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 883. [2020-09-24 20:04:03,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2020-09-24 20:04:03,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 973 transitions. [2020-09-24 20:04:03,816 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 973 transitions. Word has length 492 [2020-09-24 20:04:03,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:04:03,817 INFO L479 AbstractCegarLoop]: Abstraction has 883 states and 973 transitions. [2020-09-24 20:04:03,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 20:04:03,818 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 973 transitions. [2020-09-24 20:04:03,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2020-09-24 20:04:03,828 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:04:03,829 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:04:03,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:04:03,830 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:04:03,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:04:03,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1164133881, now seen corresponding path program 1 times [2020-09-24 20:04:03,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:04:03,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [840144159] [2020-09-24 20:04:03,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:04:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:04,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:04,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:04,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:05,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:05,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 577 [2020-09-24 20:04:05,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:04:05,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1049 [2020-09-24 20:04:05,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:05,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:04:05,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 346 [2020-09-24 20:04:05,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:04:05,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:05,313 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 20:04:05,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:04:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:05,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:05,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:05,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 20:04:05,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:05,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-09-24 20:04:05,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:05,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:05,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:05,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:05,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:05,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 20:04:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:05,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:05,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:05,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:05,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:05,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:04:05,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:05,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:05,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:05,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:05,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:05,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 20:04:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:05,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:05,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:05,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:05,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:05,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:04:05,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:05,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:05,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:05,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:05,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:05,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 20:04:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:05,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:05,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:05,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:04:05,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:05,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:04:05,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:05,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:05,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:05,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:05,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:05,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-09-24 20:04:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:05,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:05,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:06,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:06,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 20:04:06,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:04:06,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-09-24 20:04:06,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:06,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:06,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-24 20:04:06,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:06,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:06,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 20:04:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:06,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:06,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:06,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:04:06,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:06,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 20:04:06,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:06,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:06,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:06,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:06,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:06,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:04:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:06,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:06,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:06,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:06,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:06,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 20:04:06,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:06,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:06,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:06,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:06,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:06,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:04:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:06,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:06,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:06,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:04:06,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:06,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:04:06,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:06,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:06,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:06,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:06,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:06,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-24 20:04:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:06,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:06,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:06,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:07,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:07,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 20:04:07,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:04:07,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 967 [2020-09-24 20:04:07,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:07,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:07,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-09-24 20:04:07,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:07,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:07,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 20:04:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:07,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:07,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:07,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:04:07,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:07,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 20:04:07,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:07,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:07,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:07,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:07,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:07,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:04:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:07,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:07,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:07,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:07,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:07,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 20:04:07,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:07,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:07,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:07,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:07,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:07,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 20:04:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:07,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:07,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:07,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:04:07,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:07,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:04:07,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:07,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:07,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:07,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:07,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:07,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-09-24 20:04:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:07,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:07,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:07,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:08,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:08,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-24 20:04:08,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:04:08,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 957 [2020-09-24 20:04:08,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:08,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:08,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-09-24 20:04:08,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:08,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:08,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 20:04:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:08,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:08,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:08,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:04:08,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:08,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 20:04:08,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:08,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:08,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:08,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:04:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:08,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:08,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:08,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:08,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:08,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:04:08,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:08,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:08,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:08,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:08,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 20:04:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:08,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:08,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:08,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:04:08,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:08,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:04:08,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:08,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:08,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:08,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:08,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:08,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2020-09-24 20:04:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:08,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:08,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:08,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 20:04:08,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:08,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 20:04:08,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:08,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:08,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 20:04:08,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:08,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:08,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 20:04:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:08,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:08,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:08,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:08,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:08,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:04:08,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:08,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:08,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:08,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:08,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:08,674 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-09-24 20:04:08,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [840144159] [2020-09-24 20:04:08,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:04:08,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 20:04:08,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165249509] [2020-09-24 20:04:08,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 20:04:08,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:04:08,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 20:04:08,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 20:04:08,677 INFO L87 Difference]: Start difference. First operand 883 states and 973 transitions. Second operand 6 states. [2020-09-24 20:04:08,829 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-24 20:04:09,924 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-09-24 20:04:10,106 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-24 20:04:16,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:04:16,094 INFO L93 Difference]: Finished difference Result 2409 states and 2886 transitions. [2020-09-24 20:04:16,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 20:04:16,094 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 528 [2020-09-24 20:04:16,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:04:16,108 INFO L225 Difference]: With dead ends: 2409 [2020-09-24 20:04:16,109 INFO L226 Difference]: Without dead ends: 1860 [2020-09-24 20:04:16,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 20:04:16,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2020-09-24 20:04:16,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1212. [2020-09-24 20:04:16,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1212 states. [2020-09-24 20:04:16,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1362 transitions. [2020-09-24 20:04:16,231 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1362 transitions. Word has length 528 [2020-09-24 20:04:16,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:04:16,232 INFO L479 AbstractCegarLoop]: Abstraction has 1212 states and 1362 transitions. [2020-09-24 20:04:16,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 20:04:16,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1362 transitions. [2020-09-24 20:04:16,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2020-09-24 20:04:16,251 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:04:16,252 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:04:16,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:04:16,253 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:04:16,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:04:16,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1340064900, now seen corresponding path program 1 times [2020-09-24 20:04:16,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:04:16,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207800770] [2020-09-24 20:04:16,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:04:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:16,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:16,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:17,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:17,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:17,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 624 [2020-09-24 20:04:17,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:04:17,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1011 [2020-09-24 20:04:17,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:04:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 514 [2020-09-24 20:04:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:04:17,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:17,637 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 20:04:17,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:04:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:17,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:17,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:17,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 20:04:17,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:17,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-09-24 20:04:17,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:17,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:17,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:17,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:17,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:17,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 20:04:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:17,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:17,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:17,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:17,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:17,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:04:17,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:17,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:17,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:17,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:17,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:17,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 20:04:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:17,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:18,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:18,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:18,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:18,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:04:18,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:18,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:18,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:18,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:18,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:18,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 20:04:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:18,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:18,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:18,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:04:18,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:18,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:04:18,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:18,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:18,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:18,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:18,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:18,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-09-24 20:04:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:18,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:18,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:18,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:04:18,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:18,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 20:04:18,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:18,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:18,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:18,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:18,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:18,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 20:04:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:18,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:18,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:18,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:04:18,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:18,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:04:18,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:18,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:18,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-24 20:04:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:18,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:18,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:18,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:18,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 20:04:18,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:04:18,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-09-24 20:04:18,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:18,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:18,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:18,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:18,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:18,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 20:04:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:18,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:18,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:18,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:04:18,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:18,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 20:04:18,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:18,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:18,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:18,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:18,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:18,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:04:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:18,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:18,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:18,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:18,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:18,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 20:04:18,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:18,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:18,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:18,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:18,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:18,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:04:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:18,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:18,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:18,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:04:18,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:18,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:04:18,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:18,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:18,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:18,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:18,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-09-24 20:04:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:18,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:18,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:19,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:19,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 20:04:19,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:04:19,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 775 [2020-09-24 20:04:19,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:04:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-24 20:04:19,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:04:19,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:19,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 20:04:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:19,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:19,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:19,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:04:19,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:19,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 20:04:19,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:19,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:19,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:19,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:19,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:19,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:04:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:19,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:19,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:19,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:19,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:19,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:04:19,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:19,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:19,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:19,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:19,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:19,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 20:04:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:19,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:19,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:19,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:04:19,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:19,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 20:04:19,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:19,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 20:04:19,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:19,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:04:19,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:19,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-09-24 20:04:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:19,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:19,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:19,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:20,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:20,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-24 20:04:20,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:04:20,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 773 [2020-09-24 20:04:20,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:20,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:20,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-09-24 20:04:20,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:20,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:20,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 20:04:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:20,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:20,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:20,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:04:20,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:20,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 20:04:20,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:20,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:20,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:20,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:20,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:20,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:04:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:20,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:20,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:20,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:20,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:20,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:04:20,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:20,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:20,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:20,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:20,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:20,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 20:04:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:20,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:20,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:20,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:04:20,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:20,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:04:20,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:20,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:20,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:20,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:20,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:20,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-09-24 20:04:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:20,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:20,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:20,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 20:04:20,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:20,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 20:04:20,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 20:04:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:20,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:20,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 20:04:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:20,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:20,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:20,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:20,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:20,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:04:20,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:20,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:20,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:20,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:20,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-09-24 20:04:20,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207800770] [2020-09-24 20:04:20,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:04:20,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 20:04:20,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254592090] [2020-09-24 20:04:20,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 20:04:20,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:04:20,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 20:04:20,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:04:20,561 INFO L87 Difference]: Start difference. First operand 1212 states and 1362 transitions. Second operand 9 states. [2020-09-24 20:04:20,734 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-24 20:04:22,247 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-09-24 20:04:22,982 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-09-24 20:04:23,229 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-09-24 20:04:23,442 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-09-24 20:04:26,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:04:26,063 INFO L93 Difference]: Finished difference Result 2749 states and 3298 transitions. [2020-09-24 20:04:26,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 20:04:26,064 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 571 [2020-09-24 20:04:26,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:04:26,078 INFO L225 Difference]: With dead ends: 2749 [2020-09-24 20:04:26,078 INFO L226 Difference]: Without dead ends: 1871 [2020-09-24 20:04:26,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-24 20:04:26,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2020-09-24 20:04:26,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1218. [2020-09-24 20:04:26,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-09-24 20:04:26,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1370 transitions. [2020-09-24 20:04:26,188 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1370 transitions. Word has length 571 [2020-09-24 20:04:26,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:04:26,189 INFO L479 AbstractCegarLoop]: Abstraction has 1218 states and 1370 transitions. [2020-09-24 20:04:26,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 20:04:26,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1370 transitions. [2020-09-24 20:04:26,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2020-09-24 20:04:26,206 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:04:26,207 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:04:26,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 20:04:26,207 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:04:26,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:04:26,208 INFO L82 PathProgramCache]: Analyzing trace with hash 428055620, now seen corresponding path program 1 times [2020-09-24 20:04:26,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:04:26,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147714449] [2020-09-24 20:04:26,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:04:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:26,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:26,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:27,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:27,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 624 [2020-09-24 20:04:27,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:04:27,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1145 [2020-09-24 20:04:27,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:27,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:04:27,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 385 [2020-09-24 20:04:27,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:04:27,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:27,717 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 20:04:27,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:04:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:27,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:27,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:27,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-24 20:04:27,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:27,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-09-24 20:04:27,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:27,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:27,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:27,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:27,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:28,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 20:04:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:28,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:28,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:28,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:28,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:28,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:04:28,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:28,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:28,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 20:04:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:28,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:28,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:28,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:28,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:28,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:04:28,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:28,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:28,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:28,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:28,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:28,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 20:04:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:28,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:28,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:28,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:04:28,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:28,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:04:28,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:28,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:28,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:28,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:28,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:28,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-09-24 20:04:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:28,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:28,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:28,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:04:28,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:28,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 20:04:28,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:04:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 20:04:28,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:28,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 20:04:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:28,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:28,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:28,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:04:28,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:28,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:04:28,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:28,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:28,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:28,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:28,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:28,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-24 20:04:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:28,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:28,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:28,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:28,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 20:04:28,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:04:28,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-09-24 20:04:28,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-24 20:04:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:28,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:28,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 20:04:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:28,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:28,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:28,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:04:28,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:28,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 20:04:28,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:28,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:28,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:28,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:04:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:28,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:28,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:28,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:28,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:28,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:04:28,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:28,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:28,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:04:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:28,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:28,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:28,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:04:28,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:28,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 20:04:28,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:28,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-09-24 20:04:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:28,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:28,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:28,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 20:04:28,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:28,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 20:04:28,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:28,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:28,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-09-24 20:04:28,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:28,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:28,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 20:04:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:28,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:28,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:28,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:04:28,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:28,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 20:04:28,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:28,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:28,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:28,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:04:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:28,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:28,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:28,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:28,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:28,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:04:28,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:28,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:28,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:28,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 20:04:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:28,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:28,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:28,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:04:28,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:28,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:04:28,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:28,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:28,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-09-24 20:04:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:28,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:28,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:28,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking...