/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 --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-eb0fd7c [2020-09-21 13:07:18,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 13:07:18,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 13:07:18,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 13:07:18,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 13:07:18,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 13:07:18,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 13:07:18,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 13:07:18,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 13:07:18,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 13:07:18,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 13:07:18,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 13:07:18,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 13:07:18,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 13:07:18,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 13:07:18,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 13:07:18,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 13:07:18,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 13:07:18,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 13:07:18,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 13:07:18,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 13:07:18,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 13:07:18,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 13:07:18,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 13:07:18,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 13:07:18,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 13:07:18,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 13:07:18,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 13:07:18,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 13:07:18,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 13:07:18,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 13:07:18,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 13:07:18,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 13:07:18,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 13:07:18,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 13:07:18,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 13:07:18,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 13:07:18,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 13:07:18,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 13:07:18,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 13:07:18,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 13:07:18,430 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 [2020-09-21 13:07:18,481 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 13:07:18,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 13:07:18,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 13:07:18,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 13:07:18,484 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 13:07:18,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 13:07:18,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 13:07:18,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 13:07:18,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 13:07:18,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 13:07:18,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 13:07:18,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 13:07:18,487 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 13:07:18,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 13:07:18,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 13:07:18,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 13:07:18,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 13:07:18,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 13:07:18,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 13:07:18,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 13:07:18,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 13:07:18,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 13:07:18,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 13:07:18,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 13:07:18,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 13:07:18,491 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 13:07:18,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-21 13:07:18,491 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.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; [2020-09-21 13:07:18,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 13:07:18,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 13:07:18,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 13:07:18,983 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 13:07:18,984 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 13:07:18,986 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-21 13:07:19,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5ffd3024/1e0fc69b90a64068a15c0383212f4a09/FLAGfe739d7d8 [2020-09-21 13:07:19,808 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 13:07:19,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2020-09-21 13:07:19,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5ffd3024/1e0fc69b90a64068a15c0383212f4a09/FLAGfe739d7d8 [2020-09-21 13:07:19,954 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5ffd3024/1e0fc69b90a64068a15c0383212f4a09 [2020-09-21 13:07:19,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 13:07:19,972 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 13:07:19,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 13:07:19,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 13:07:19,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 13:07:19,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 01:07:19" (1/1) ... [2020-09-21 13:07:19,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@117f8da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:07:19, skipping insertion in model container [2020-09-21 13:07:19,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 01:07:19" (1/1) ... [2020-09-21 13:07:19,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 13:07:20,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 13:07:20,466 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-09-21 13:07:20,467 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] [2020-09-21 13:07:20,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 13:07:20,980 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 13:07:21,025 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2020-09-21 13:07:21,026 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] [2020-09-21 13:07:21,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 13:07:21,212 INFO L208 MainTranslator]: Completed translation [2020-09-21 13:07:21,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:07:21 WrapperNode [2020-09-21 13:07:21,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 13:07:21,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 13:07:21,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 13:07:21,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 13:07:21,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:07:21" (1/1) ... [2020-09-21 13:07:21,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:07:21" (1/1) ... [2020-09-21 13:07:21,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:07:21" (1/1) ... [2020-09-21 13:07:21,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:07:21" (1/1) ... [2020-09-21 13:07:21,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:07:21" (1/1) ... [2020-09-21 13:07:21,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:07:21" (1/1) ... [2020-09-21 13:07:21,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:07:21" (1/1) ... [2020-09-21 13:07:21,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 13:07:21,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 13:07:21,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 13:07:21,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 13:07:21,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:07:21" (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 [2020-09-21 13:07:21,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 13:07:21,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 13:07:21,501 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-21 13:07:21,501 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-21 13:07:21,502 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-09-21 13:07:21,502 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-09-21 13:07:21,504 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-21 13:07:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-21 13:07:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-09-21 13:07:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 13:07:21,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-21 13:07:21,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-21 13:07:21,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-21 13:07:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-21 13:07:21,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-21 13:07:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-21 13:07:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-21 13:07:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-21 13:07:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-09-21 13:07:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2020-09-21 13:07:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2020-09-21 13:07:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2020-09-21 13:07:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2020-09-21 13:07:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2020-09-21 13:07:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2020-09-21 13:07:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2020-09-21 13:07:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2020-09-21 13:07:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_isa_probe [2020-09-21 13:07:21,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_pnp_probe [2020-09-21 13:07:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_init [2020-09-21 13:07:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ns558_exit [2020-09-21 13:07:21,513 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 13:07:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-21 13:07:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-21 13:07:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-21 13:07:21,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-21 13:07:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-21 13:07:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-21 13:07:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-21 13:07:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2020-09-21 13:07:21,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-21 13:07:21,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-21 13:07:21,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-21 13:07:21,521 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2020-09-21 13:07:21,521 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_port [2020-09-21 13:07:21,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-21 13:07:21,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-21 13:07:21,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-21 13:07:21,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-09-21 13:07:21,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-21 13:07:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-09-21 13:07:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2020-09-21 13:07:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2020-09-21 13:07:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2020-09-21 13:07:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-21 13:07:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-09-21 13:07:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-21 13:07:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-21 13:07:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 13:07:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-21 13:07:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-21 13:07:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-21 13:07:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-21 13:07:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 13:07:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-21 13:07:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-09-21 13:07:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-09-21 13:07:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-09-21 13:07:21,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 13:07:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-21 13:07:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-21 13:07:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-21 13:07:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-21 13:07:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-09-21 13:07:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-21 13:07:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-21 13:07:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-21 13:07:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-21 13:07:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 13:07:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-21 13:07:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 13:07:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-21 13:07:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 13:07:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 13:07:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-21 13:07:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 13:07:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-21 13:07:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-21 13:07:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-21 13:07:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-21 13:07:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-21 13:07:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-21 13:07:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-21 13:07:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-09-21 13:07:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-09-21 13:07:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2020-09-21 13:07:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_port [2020-09-21 13:07:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2020-09-21 13:07:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2020-09-21 13:07:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2020-09-21 13:07:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2020-09-21 13:07:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2020-09-21 13:07:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2020-09-21 13:07:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2020-09-21 13:07:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2020-09-21 13:07:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2020-09-21 13:07:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2020-09-21 13:07:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2020-09-21 13:07:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2020-09-21 13:07:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_isa_probe [2020-09-21 13:07:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 13:07:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 13:07:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 13:07:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_pnp_probe [2020-09-21 13:07:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_init [2020-09-21 13:07:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure ns558_exit [2020-09-21 13:07:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-21 13:07:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-21 13:07:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-09-21 13:07:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 13:07:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-21 13:07:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-21 13:07:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-21 13:07:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-21 13:07:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-21 13:07:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-21 13:07:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 13:07:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 13:07:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 13:07:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 13:07:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-21 13:07:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 13:07:22,323 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-21 13:07:22,930 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 13:07:22,930 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 13:07:22,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 01:07:22 BoogieIcfgContainer [2020-09-21 13:07:22,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 13:07:22,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 13:07:22,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 13:07:22,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 13:07:22,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 01:07:19" (1/3) ... [2020-09-21 13:07:22,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa7cf89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 01:07:22, skipping insertion in model container [2020-09-21 13:07:22,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:07:21" (2/3) ... [2020-09-21 13:07:22,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa7cf89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 01:07:22, skipping insertion in model container [2020-09-21 13:07:22,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 01:07:22" (3/3) ... [2020-09-21 13:07:22,949 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 [2020-09-21 13:07:22,961 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 13:07:22,974 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 13:07:22,998 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 13:07:23,035 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 13:07:23,036 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 13:07:23,036 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 13:07:23,036 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 13:07:23,036 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 13:07:23,036 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 13:07:23,036 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 13:07:23,037 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 13:07:23,069 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states. [2020-09-21 13:07:23,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-09-21 13:07:23,086 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 13:07:23,088 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-09-21 13:07:23,088 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 13:07:23,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 13:07:23,097 INFO L82 PathProgramCache]: Analyzing trace with hash -2083768503, now seen corresponding path program 1 times [2020-09-21 13:07:23,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 13:07:23,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427638886] [2020-09-21 13:07:23,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 13:07:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:23,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:24,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:24,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:24,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:24,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 13:07:24,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 13:07:24,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1083 [2020-09-21 13:07:24,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 13:07:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-21 13:07:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 13:07:24,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 13:07:25,144 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 13:07:25,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:07:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:25,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:25,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:25,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:25,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:25,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-09-21 13:07:25,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:25,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:25,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:25,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:25,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:25,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:07:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:25,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:25,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:25,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:25,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:25,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 13:07:25,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:25,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:25,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:25,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:25,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:25,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:07:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:25,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:25,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:25,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:25,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:25,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 13:07:25,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:25,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:25,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:25,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:25,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:25,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 13:07:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:25,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:25,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:25,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 13:07:25,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:25,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 13:07:25,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:25,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:25,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:25,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:25,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:25,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 13:07:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:25,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:25,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:25,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:25,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:25,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 13:07:25,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:25,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:25,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:25,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:25,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:25,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 13:07:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:25,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:25,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:25,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:07:25,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:25,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 13:07:25,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:25,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:25,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:25,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:25,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:25,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:25,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:25,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:25,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:25,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:25,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 13:07:25,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:25,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:25,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:25,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:25,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:25,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 13:07:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:25,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:25,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:25,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:25,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:25,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 13:07:25,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:25,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:25,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:25,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:25,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:25,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 13:07:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:25,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:25,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:25,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:25,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:25,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 13:07:25,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:25,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:25,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:25,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:25,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:25,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-09-21 13:07:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:25,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:25,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:25,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:25,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:25,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 13:07:25,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:25,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:25,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:25,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:25,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:25,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-21 13:07:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:25,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:25,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:25,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:25,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:25,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 13:07:25,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:25,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 13:07:25,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:25,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:25,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-21 13:07:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:25,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:25,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:25,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:25,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:25,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 13:07:25,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 13:07:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:25,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:25,677 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-21 13:07:25,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427638886] [2020-09-21 13:07:25,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 13:07:25,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 13:07:25,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160997303] [2020-09-21 13:07:25,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 13:07:25,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 13:07:25,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 13:07:25,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 13:07:25,716 INFO L87 Difference]: Start difference. First operand 348 states. Second operand 6 states. [2020-09-21 13:07:25,959 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-21 13:07:28,263 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-09-21 13:07:30,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 13:07:30,648 INFO L93 Difference]: Finished difference Result 905 states and 1279 transitions. [2020-09-21 13:07:30,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 13:07:30,651 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2020-09-21 13:07:30,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 13:07:30,675 INFO L225 Difference]: With dead ends: 905 [2020-09-21 13:07:30,675 INFO L226 Difference]: Without dead ends: 519 [2020-09-21 13:07:30,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 13:07:30,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-09-21 13:07:30,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 301. [2020-09-21 13:07:30,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-09-21 13:07:30,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 378 transitions. [2020-09-21 13:07:30,831 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 378 transitions. Word has length 91 [2020-09-21 13:07:30,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 13:07:30,832 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 378 transitions. [2020-09-21 13:07:30,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 13:07:30,832 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 378 transitions. [2020-09-21 13:07:30,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-09-21 13:07:30,838 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 13:07:30,839 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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] [2020-09-21 13:07:30,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 13:07:30,839 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 13:07:30,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 13:07:30,840 INFO L82 PathProgramCache]: Analyzing trace with hash 666695109, now seen corresponding path program 1 times [2020-09-21 13:07:30,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 13:07:30,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [910911041] [2020-09-21 13:07:30,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 13:07:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:31,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:31,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:31,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:31,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:31,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 13:07:31,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 13:07:31,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1027 [2020-09-21 13:07:31,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 13:07:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-09-21 13:07:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 13:07:31,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:32,199 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 13:07:32,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:07:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:32,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:32,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:32,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:32,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:32,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-09-21 13:07:32,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:32,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:32,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:32,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:32,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:32,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:07:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:32,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:32,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:32,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:32,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:32,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 13:07:32,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:32,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:32,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:32,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:32,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:32,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:07:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:32,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:32,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:32,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:32,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:32,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 13:07:32,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:32,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:32,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:32,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:32,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:32,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 13:07:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:32,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:32,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:32,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 13:07:32,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:32,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 13:07:32,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:32,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:32,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:32,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:32,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:32,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 13:07:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:32,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:32,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:32,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:32,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:32,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 13:07:32,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:32,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:32,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:32,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:32,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:32,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 13:07:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:32,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:32,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:32,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:07:32,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:32,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 13:07:32,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:32,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:32,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:32,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:32,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:32,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:32,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:32,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:32,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:32,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:32,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 13:07:32,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:32,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:32,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:32,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:32,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:32,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 13:07:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:32,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:32,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:32,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:32,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:32,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 13:07:32,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:32,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:32,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:32,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:32,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:32,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 13:07:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:32,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:32,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:32,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:32,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:32,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 13:07:32,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:32,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:32,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:32,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-09-21 13:07:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:32,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:32,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:32,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:32,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:32,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 13:07:32,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:32,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:32,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:32,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 13:07:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:32,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:32,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:32,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:32,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:32,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 13:07:32,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:32,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:32,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:32,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:32,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:32,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 13:07:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:32,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:32,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:32,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:32,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:32,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 13:07:32,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:32,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:32,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:32,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:32,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:32,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 13:07:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:32,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:32,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:32,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:32,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:32,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 13:07:32,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:32,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:32,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:32,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:32,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:32,731 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-21 13:07:32,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [910911041] [2020-09-21 13:07:32,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 13:07:32,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 13:07:32,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775817704] [2020-09-21 13:07:32,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 13:07:32,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 13:07:32,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 13:07:32,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 13:07:32,736 INFO L87 Difference]: Start difference. First operand 301 states and 378 transitions. Second operand 6 states. [2020-09-21 13:07:32,888 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-21 13:07:34,469 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-21 13:07:36,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 13:07:36,778 INFO L93 Difference]: Finished difference Result 801 states and 1103 transitions. [2020-09-21 13:07:36,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 13:07:36,779 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2020-09-21 13:07:36,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 13:07:36,785 INFO L225 Difference]: With dead ends: 801 [2020-09-21 13:07:36,786 INFO L226 Difference]: Without dead ends: 525 [2020-09-21 13:07:36,788 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 13:07:36,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2020-09-21 13:07:36,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 301. [2020-09-21 13:07:36,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-09-21 13:07:36,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 377 transitions. [2020-09-21 13:07:36,843 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 377 transitions. Word has length 97 [2020-09-21 13:07:36,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 13:07:36,844 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 377 transitions. [2020-09-21 13:07:36,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 13:07:36,844 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 377 transitions. [2020-09-21 13:07:36,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-09-21 13:07:36,849 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 13:07:36,849 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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] [2020-09-21 13:07:36,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 13:07:36,850 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 13:07:36,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 13:07:36,850 INFO L82 PathProgramCache]: Analyzing trace with hash 690677329, now seen corresponding path program 1 times [2020-09-21 13:07:36,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 13:07:36,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433145932] [2020-09-21 13:07:36,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 13:07:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:37,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:37,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:38,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:38,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-09-21 13:07:38,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:07:38,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1078 [2020-09-21 13:07:38,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 13:07:38,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-09-21 13:07:38,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 13:07:38,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:38,225 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 13:07:38,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:07:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:38,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:38,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:38,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:38,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:38,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-21 13:07:38,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:38,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:38,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:38,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:38,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:38,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:07:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:38,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:38,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:38,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:38,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:38,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 13:07:38,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:38,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:38,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:38,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:38,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:38,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:07:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:38,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:38,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:38,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:38,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:38,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 13:07:38,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:38,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:38,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:38,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:38,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:38,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 13:07:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:38,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:38,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:38,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 13:07:38,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:38,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 13:07:38,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:38,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:38,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:38,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 13:07:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:38,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:38,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:38,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:38,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:38,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 13:07:38,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:38,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:38,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:38,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 13:07:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:38,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:38,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:38,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:07:38,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:38,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 13:07:38,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:38,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:38,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:38,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:38,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:38,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:38,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:38,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:38,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:38,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:38,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 13:07:38,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:38,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:38,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:38,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:38,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 13:07:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:38,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:38,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:38,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:38,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:38,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 13:07:38,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:38,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:38,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:38,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:38,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:38,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 13:07:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:38,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:38,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:38,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:38,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:38,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 13:07:38,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:38,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:38,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:38,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:38,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:38,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-09-21 13:07:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:38,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:38,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:38,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:38,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:38,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 13:07:38,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:38,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:38,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 13:07:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:38,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:38,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:38,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:38,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:38,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 13:07:38,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 13:07:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 13:07:38,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:38,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 13:07:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:38,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:38,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:38,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:38,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:38,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 13:07:38,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 13:07:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:38,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:38,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 13:07:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:38,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:38,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:38,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:38,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:38,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 13:07:38,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 13:07:38,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:38,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:38,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 13:07:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:38,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:38,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:38,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:38,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:38,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 13:07:38,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:38,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:38,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 13:07:38,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:38,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:38,652 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-09-21 13:07:38,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433145932] [2020-09-21 13:07:38,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 13:07:38,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 13:07:38,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134169520] [2020-09-21 13:07:38,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 13:07:38,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 13:07:38,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 13:07:38,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 13:07:38,656 INFO L87 Difference]: Start difference. First operand 301 states and 377 transitions. Second operand 7 states. [2020-09-21 13:07:38,794 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-21 13:07:40,636 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-21 13:07:40,899 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-21 13:07:43,570 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-21 13:07:44,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 13:07:44,049 INFO L93 Difference]: Finished difference Result 895 states and 1263 transitions. [2020-09-21 13:07:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 13:07:44,050 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2020-09-21 13:07:44,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 13:07:44,058 INFO L225 Difference]: With dead ends: 895 [2020-09-21 13:07:44,059 INFO L226 Difference]: Without dead ends: 619 [2020-09-21 13:07:44,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-21 13:07:44,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2020-09-21 13:07:44,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 327. [2020-09-21 13:07:44,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-09-21 13:07:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 417 transitions. [2020-09-21 13:07:44,138 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 417 transitions. Word has length 104 [2020-09-21 13:07:44,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 13:07:44,139 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 417 transitions. [2020-09-21 13:07:44,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 13:07:44,139 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 417 transitions. [2020-09-21 13:07:44,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-09-21 13:07:44,147 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 13:07:44,147 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 13:07:44,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 13:07:44,148 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 13:07:44,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 13:07:44,148 INFO L82 PathProgramCache]: Analyzing trace with hash -2026553388, now seen corresponding path program 1 times [2020-09-21 13:07:44,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 13:07:44,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405483026] [2020-09-21 13:07:44,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 13:07:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:44,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:44,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:44,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:44,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:45,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:45,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-21 13:07:45,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 13:07:45,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1048 [2020-09-21 13:07:45,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:45,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 13:07:45,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-21 13:07:45,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 13:07:45,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:45,469 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 13:07:45,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:07:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:45,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:45,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:45,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:45,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:45,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-21 13:07:45,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:45,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:45,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:45,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:07:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:45,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:45,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:45,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:45,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:45,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 13:07:45,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:45,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:45,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:45,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:45,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:45,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:07:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:45,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:45,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:45,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:45,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:45,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 13:07:45,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:45,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:45,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:45,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:45,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:45,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 13:07:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:45,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:45,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:45,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 13:07:45,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:45,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 13:07:45,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:45,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:45,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 13:07:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:45,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:45,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:45,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:45,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 13:07:45,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:07:45,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-09-21 13:07:45,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:45,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:45,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-21 13:07:45,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:45,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:45,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:45,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:45,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:45,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:07:45,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:45,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 13:07:45,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:45,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:45,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:45,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:45,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:45,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:45,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:45,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:45,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:45,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:45,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 13:07:45,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:46,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:46,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:46,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:46,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:46,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:07:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:46,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:46,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:46,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:46,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:46,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 13:07:46,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:46,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:46,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:46,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:46,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:46,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 13:07:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:46,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:46,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:46,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:46,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 13:07:46,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:07:46,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-09-21 13:07:46,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 13:07:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:46,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:46,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:46,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:46,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:46,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:07:46,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:46,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 13:07:46,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:46,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:46,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:46,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:46,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:46,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:46,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:46,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:46,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 13:07:46,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:46,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:46,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:46,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:46,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:46,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:07:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:46,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:46,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:46,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:46,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:46,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 13:07:46,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:46,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:46,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:46,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:46,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:46,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-21 13:07:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:46,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:46,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:46,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:47,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:47,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 13:07:47,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 13:07:47,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 627 [2020-09-21 13:07:47,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:47,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:47,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 13:07:47,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:47,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:47,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:47,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:47,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:47,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:07:47,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:47,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 13:07:47,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:47,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:47,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:47,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:47,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:47,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:47,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:47,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 13:07:47,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:47,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:47,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:47,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:47,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:47,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:07:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:47,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:47,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:47,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:47,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:47,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 13:07:47,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:47,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:47,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:47,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:47,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:47,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 13:07:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:47,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:47,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:47,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:07:47,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:47,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 13:07:47,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:47,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:47,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 13:07:47,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:47,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:47,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:47,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:47,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:47,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:47,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:47,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 13:07:47,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:47,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:47,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:47,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:47,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:47,174 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-09-21 13:07:47,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405483026] [2020-09-21 13:07:47,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 13:07:47,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 13:07:47,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389892173] [2020-09-21 13:07:47,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 13:07:47,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 13:07:47,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 13:07:47,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 13:07:47,177 INFO L87 Difference]: Start difference. First operand 327 states and 417 transitions. Second operand 6 states. [2020-09-21 13:07:47,320 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-21 13:07:47,653 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-09-21 13:07:47,837 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-21 13:07:52,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 13:07:52,706 INFO L93 Difference]: Finished difference Result 1216 states and 1693 transitions. [2020-09-21 13:07:52,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 13:07:52,707 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2020-09-21 13:07:52,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 13:07:52,715 INFO L225 Difference]: With dead ends: 1216 [2020-09-21 13:07:52,715 INFO L226 Difference]: Without dead ends: 914 [2020-09-21 13:07:52,717 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 [2020-09-21 13:07:52,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-09-21 13:07:52,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 527. [2020-09-21 13:07:52,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-09-21 13:07:52,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 677 transitions. [2020-09-21 13:07:52,863 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 677 transitions. Word has length 117 [2020-09-21 13:07:52,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 13:07:52,866 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 677 transitions. [2020-09-21 13:07:52,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 13:07:52,866 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 677 transitions. [2020-09-21 13:07:52,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-09-21 13:07:52,871 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 13:07:52,871 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 13:07:52,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 13:07:52,871 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 13:07:52,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 13:07:52,872 INFO L82 PathProgramCache]: Analyzing trace with hash 790920921, now seen corresponding path program 1 times [2020-09-21 13:07:52,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 13:07:52,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [204590202] [2020-09-21 13:07:52,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 13:07:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:53,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:53,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:53,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:53,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:53,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:53,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-09-21 13:07:53,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 13:07:53,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-21 13:07:53,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 13:07:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-21 13:07:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 13:07:53,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:54,196 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 13:07:54,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:07:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:54,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:54,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:54,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:54,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:54,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-21 13:07:54,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:54,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:54,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:54,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:54,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:54,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:07:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:54,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:54,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:54,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:54,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:54,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 13:07:54,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:54,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:54,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:54,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:54,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:54,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:07:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:54,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:54,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:54,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:54,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:54,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 13:07:54,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:54,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:54,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:54,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:54,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:54,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 13:07:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:54,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:54,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:54,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 13:07:54,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:54,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 13:07:54,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:54,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:54,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:54,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:54,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 13:07:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:54,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:54,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:54,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:07:54,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:54,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 13:07:54,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:54,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 13:07:54,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:54,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 13:07:54,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:54,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:54,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:54,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:54,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:54,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:54,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 13:07:54,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:54,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:54,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:54,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:54,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:54,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 13:07:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:54,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:54,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:54,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:54,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 13:07:54,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:07:54,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-09-21 13:07:54,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:54,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:54,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-21 13:07:54,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:54,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:54,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:54,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:54,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:54,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:07:54,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:54,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 13:07:54,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:54,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:54,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:54,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:54,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:54,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:54,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:54,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:54,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:54,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:54,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 13:07:54,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:54,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:54,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:54,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:54,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:54,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:07:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:54,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:54,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:54,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:54,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:54,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 13:07:54,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:54,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:54,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:54,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:54,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:54,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-21 13:07:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:54,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:54,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:55,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:55,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 13:07:55,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:07:55,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-09-21 13:07:55,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:55,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:55,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 13:07:55,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:55,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:55,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:55,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:55,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:55,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:07:55,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:55,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 13:07:55,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:55,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:55,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:55,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:55,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:55,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:55,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:55,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:55,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:55,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:55,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 13:07:55,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:55,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:55,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:55,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:55,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:55,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:07:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:55,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:55,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:55,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:55,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:55,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 13:07:55,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:55,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:55,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:55,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:55,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:55,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 13:07:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:55,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:55,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:55,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:55,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:55,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 13:07:55,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 13:07:55,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 740 [2020-09-21 13:07:55,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:55,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:55,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 13:07:55,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:55,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:55,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:55,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:55,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:55,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:07:55,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:55,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 13:07:55,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:55,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:55,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:55,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:55,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:55,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:55,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:55,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:55,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:55,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:55,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 13:07:55,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:55,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:55,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:55,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:55,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:56,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:07:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:56,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:56,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:56,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:56,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:56,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 13:07:56,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:56,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:56,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 13:07:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:56,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:56,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:56,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:07:56,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:56,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 13:07:56,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:56,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:56,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 13:07:56,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:56,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:56,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:56,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:56,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:56,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:56,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:56,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 13:07:56,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:56,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:56,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:56,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:56,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:56,101 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-09-21 13:07:56,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [204590202] [2020-09-21 13:07:56,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 13:07:56,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 13:07:56,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914915195] [2020-09-21 13:07:56,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 13:07:56,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 13:07:56,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 13:07:56,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-21 13:07:56,106 INFO L87 Difference]: Start difference. First operand 527 states and 677 transitions. Second operand 9 states. [2020-09-21 13:07:56,259 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-21 13:07:57,010 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-09-21 13:08:00,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 13:08:00,993 INFO L93 Difference]: Finished difference Result 1432 states and 1977 transitions. [2020-09-21 13:08:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 13:08:00,994 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 137 [2020-09-21 13:08:00,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 13:08:01,001 INFO L225 Difference]: With dead ends: 1432 [2020-09-21 13:08:01,002 INFO L226 Difference]: Without dead ends: 908 [2020-09-21 13:08:01,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-09-21 13:08:01,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-09-21 13:08:01,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 524. [2020-09-21 13:08:01,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-09-21 13:08:01,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 670 transitions. [2020-09-21 13:08:01,084 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 670 transitions. Word has length 137 [2020-09-21 13:08:01,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 13:08:01,084 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 670 transitions. [2020-09-21 13:08:01,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 13:08:01,084 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 670 transitions. [2020-09-21 13:08:01,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-09-21 13:08:01,087 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 13:08:01,087 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 13:08:01,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 13:08:01,088 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 13:08:01,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 13:08:01,088 INFO L82 PathProgramCache]: Analyzing trace with hash 898117900, now seen corresponding path program 1 times [2020-09-21 13:08:01,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 13:08:01,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [123474319] [2020-09-21 13:08:01,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 13:08:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:01,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:01,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:01,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:01,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:02,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:02,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:02,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-21 13:08:02,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-21 13:08:02,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1758 [2020-09-21 13:08:02,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:02,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 13:08:02,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-21 13:08:02,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 13:08:02,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:03,154 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-21 13:08:03,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:08:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:03,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:03,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:03,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:03,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:03,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-21 13:08:03,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:03,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:03,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:03,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:03,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:03,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:03,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:03,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:03,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:03,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:03,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 13:08:03,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:03,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:03,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:03,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:03,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:03,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:08:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:03,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:03,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:03,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:03,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:03,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 13:08:03,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:03,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:03,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:03,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:03,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:03,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 13:08:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:03,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:03,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:03,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 13:08:03,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:03,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 13:08:03,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:03,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:03,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:03,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:03,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:03,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 13:08:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:03,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:03,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:03,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 13:08:03,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:03,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 13:08:03,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:03,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:03,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:03,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:03,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:03,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:03,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:03,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:03,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:03,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:03,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 13:08:03,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:03,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:03,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:03,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:03,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:03,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 13:08:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:03,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:03,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:03,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:03,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:03,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 13:08:03,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:03,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:03,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:03,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:03,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:03,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 13:08:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:03,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:03,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:03,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:03,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 13:08:03,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:08:03,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-09-21 13:08:03,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:03,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:03,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:03,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:03,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:03,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:03,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:03,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:03,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:08:03,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:03,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 13:08:03,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:03,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:03,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:03,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:03,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:03,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:03,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:03,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 13:08:03,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:03,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:03,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:03,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:08:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:03,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:03,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:03,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:03,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:03,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 13:08:03,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:03,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:03,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:03,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:03,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 13:08:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:03,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:03,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:03,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:03,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 13:08:03,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:08:03,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-09-21 13:08:03,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:03,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:04,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:04,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:04,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 67 [2020-09-21 13:08:04,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:04,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:04,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:04,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:08:04,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:04,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 13:08:04,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:04,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:04,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:04,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:04,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:04,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:04,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:04,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:04,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:04,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:04,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 13:08:04,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:04,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:04,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:04,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:04,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:04,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:08:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:04,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:04,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:04,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:04,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:04,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 13:08:04,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:04,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:04,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:04,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:04,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:04,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-21 13:08:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:04,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:04,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:04,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:04,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 13:08:04,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:08:04,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 483 [2020-09-21 13:08:04,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:04,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 13:08:04,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 13:08:04,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 13:08:04,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:04,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:04,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:04,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:04,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:08:04,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:04,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 13:08:04,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:04,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:04,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:04,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:04,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:04,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:04,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:04,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:04,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:04,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:04,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 13:08:04,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:04,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:04,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:08:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:04,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:04,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:04,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:04,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:04,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 13:08:04,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:04,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 13:08:04,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:04,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 13:08:04,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:04,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-21 13:08:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:04,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:04,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:04,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:08:04,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:04,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 13:08:04,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:04,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:04,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 13:08:04,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:04,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:04,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:04,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:04,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:04,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:04,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:04,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 13:08:04,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:04,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:04,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:04,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:04,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:04,851 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-09-21 13:08:04,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [123474319] [2020-09-21 13:08:04,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 13:08:04,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 13:08:04,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711002978] [2020-09-21 13:08:04,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 13:08:04,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 13:08:04,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 13:08:04,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-21 13:08:04,855 INFO L87 Difference]: Start difference. First operand 524 states and 670 transitions. Second operand 9 states. [2020-09-21 13:08:04,998 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-21 13:08:06,111 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-09-21 13:08:07,214 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-09-21 13:08:07,426 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 148