/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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 13:08:14,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 13:08:14,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 13:08:14,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 13:08:14,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 13:08:14,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 13:08:14,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 13:08:14,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 13:08:14,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 13:08:14,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 13:08:14,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 13:08:14,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 13:08:14,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 13:08:14,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 13:08:14,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 13:08:14,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 13:08:14,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 13:08:14,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 13:08:14,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 13:08:14,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 13:08:14,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 13:08:14,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 13:08:14,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 13:08:14,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 13:08:14,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 13:08:14,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 13:08:14,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 13:08:14,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 13:08:14,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 13:08:15,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 13:08:15,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 13:08:15,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 13:08:15,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 13:08:15,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 13:08:15,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 13:08:15,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 13:08:15,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 13:08:15,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 13:08:15,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 13:08:15,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 13:08:15,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 13:08:15,021 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 13:08:15,070 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 13:08:15,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 13:08:15,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 13:08:15,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 13:08:15,073 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 13:08:15,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 13:08:15,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 13:08:15,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 13:08:15,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 13:08:15,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 13:08:15,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 13:08:15,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 13:08:15,076 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 13:08:15,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 13:08:15,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 13:08:15,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 13:08:15,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 13:08:15,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 13:08:15,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 13:08:15,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 13:08:15,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 13:08:15,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 13:08:15,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 13:08:15,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 13:08:15,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 13:08:15,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 13:08:15,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-21 13:08:15,080 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 13:08:15,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 13:08:15,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 13:08:15,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 13:08:15,606 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 13:08:15,607 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 13:08:15,608 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-09-21 13:08:15,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b15bfa4e/9813ef59ac754f5eaca6a20347c18ba2/FLAG2de56c6e3 [2020-09-21 13:08:16,586 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 13:08:16,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-09-21 13:08:16,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b15bfa4e/9813ef59ac754f5eaca6a20347c18ba2/FLAG2de56c6e3 [2020-09-21 13:08:17,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b15bfa4e/9813ef59ac754f5eaca6a20347c18ba2 [2020-09-21 13:08:17,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 13:08:17,105 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 13:08:17,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 13:08:17,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 13:08:17,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 13:08:17,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 01:08:17" (1/1) ... [2020-09-21 13:08:17,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130f42b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:08:17, skipping insertion in model container [2020-09-21 13:08:17,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 01:08:17" (1/1) ... [2020-09-21 13:08:17,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 13:08:17,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 13:08:18,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 13:08:18,932 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 13:08:19,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 13:08:19,324 INFO L208 MainTranslator]: Completed translation [2020-09-21 13:08:19,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:08:19 WrapperNode [2020-09-21 13:08:19,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 13:08:19,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 13:08:19,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 13:08:19,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 13:08:19,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:08:19" (1/1) ... [2020-09-21 13:08:19,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:08:19" (1/1) ... [2020-09-21 13:08:19,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:08:19" (1/1) ... [2020-09-21 13:08:19,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:08:19" (1/1) ... [2020-09-21 13:08:19,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:08:19" (1/1) ... [2020-09-21 13:08:19,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:08:19" (1/1) ... [2020-09-21 13:08:19,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:08:19" (1/1) ... [2020-09-21 13:08:19,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 13:08:19,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 13:08:19,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 13:08:19,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 13:08:19,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:08:19" (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 13:08:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 13:08:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 13:08:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 13:08:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-21 13:08:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-21 13:08:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-09-21 13:08:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-09-21 13:08:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-21 13:08:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-21 13:08:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-21 13:08:19,658 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2020-09-21 13:08:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure m5632_recover [2020-09-21 13:08:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_prereset [2020-09-21 13:08:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_postreset [2020-09-21 13:08:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_init [2020-09-21 13:08:19,660 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_exit [2020-09-21 13:08:19,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-09-21 13:08:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 13:08:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2020-09-21 13:08:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2020-09-21 13:08:19,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2020-09-21 13:08:19,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2020-09-21 13:08:19,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-09-21 13:08:19,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-09-21 13:08:19,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2020-09-21 13:08:19,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2020-09-21 13:08:19,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2020-09-21 13:08:19,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2020-09-21 13:08:19,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2020-09-21 13:08:19,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-21 13:08:19,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2020-09-21 13:08:19,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-21 13:08:19,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-21 13:08:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-21 13:08:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-21 13:08:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-09-21 13:08:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-09-21 13:08:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2020-09-21 13:08:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-09-21 13:08:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-09-21 13:08:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-09-21 13:08:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-09-21 13:08:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-09-21 13:08:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-09-21 13:08:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-09-21 13:08:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-09-21 13:08:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-21 13:08:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-21 13:08:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-21 13:08:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-21 13:08:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-21 13:08:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-21 13:08:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-21 13:08:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2020-09-21 13:08:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2020-09-21 13:08:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2020-09-21 13:08:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2020-09-21 13:08:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-21 13:08:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-21 13:08:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-21 13:08:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-21 13:08:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-21 13:08:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-21 13:08:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-21 13:08:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2020-09-21 13:08:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2020-09-21 13:08:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-09-21 13:08:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2020-09-21 13:08:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2020-09-21 13:08:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2020-09-21 13:08:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2020-09-21 13:08:19,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2020-09-21 13:08:19,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-09-21 13:08:19,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2020-09-21 13:08:19,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2020-09-21 13:08:19,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2020-09-21 13:08:19,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2020-09-21 13:08:19,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2020-09-21 13:08:19,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2020-09-21 13:08:19,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-21 13:08:19,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2020-09-21 13:08:19,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-21 13:08:19,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-09-21 13:08:19,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-21 13:08:19,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-21 13:08:19,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-21 13:08:19,685 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-21 13:08:19,685 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-21 13:08:19,685 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-09-21 13:08:19,685 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-09-21 13:08:19,685 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-09-21 13:08:19,686 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-09-21 13:08:19,686 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-09-21 13:08:19,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-21 13:08:19,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-21 13:08:19,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-21 13:08:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 13:08:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-21 13:08:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-21 13:08:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2020-09-21 13:08:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-21 13:08:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2020-09-21 13:08:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-09-21 13:08:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-09-21 13:08:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 13:08:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-21 13:08:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 13:08:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-21 13:08:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 13:08:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 13:08:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-21 13:08:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 13:08:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-21 13:08:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-21 13:08:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-09-21 13:08:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-09-21 13:08:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-21 13:08:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-21 13:08:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-21 13:08:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-21 13:08:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2020-09-21 13:08:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2020-09-21 13:08:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-21 13:08:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2020-09-21 13:08:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2020-09-21 13:08:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2020-09-21 13:08:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2020-09-21 13:08:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-09-21 13:08:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-21 13:08:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-21 13:08:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-21 13:08:19,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-21 13:08:19,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-21 13:08:19,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2020-09-21 13:08:19,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2020-09-21 13:08:19,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-09-21 13:08:19,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2020-09-21 13:08:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-09-21 13:08:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-21 13:08:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2020-09-21 13:08:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-21 13:08:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2020-09-21 13:08:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-09-21 13:08:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-09-21 13:08:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-09-21 13:08:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-09-21 13:08:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2020-09-21 13:08:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure m5632_recover [2020-09-21 13:08:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 13:08:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 13:08:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_prereset [2020-09-21 13:08:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_postreset [2020-09-21 13:08:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_init [2020-09-21 13:08:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_exit [2020-09-21 13:08:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-21 13:08:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-09-21 13:08:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-21 13:08:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 13:08:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 13:08:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 13:08:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-21 13:08:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2020-09-21 13:08:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-21 13:08:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-21 13:08:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-21 13:08:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-21 13:08:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-09-21 13:08:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-09-21 13:08:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-09-21 13:08:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-09-21 13:08:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-09-21 13:08:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-09-21 13:08:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-09-21 13:08:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-09-21 13:08:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-09-21 13:08:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-21 13:08:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-21 13:08:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-21 13:08:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-21 13:08:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-21 13:08:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2020-09-21 13:08:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2020-09-21 13:08:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2020-09-21 13:08:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2020-09-21 13:08:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-21 13:08:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-21 13:08:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-21 13:08:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-21 13:08:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2020-09-21 13:08:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2020-09-21 13:08:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-09-21 13:08:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2020-09-21 13:08:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2020-09-21 13:08:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2020-09-21 13:08:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2020-09-21 13:08:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2020-09-21 13:08:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-09-21 13:08:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2020-09-21 13:08:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2020-09-21 13:08:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2020-09-21 13:08:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2020-09-21 13:08:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 13:08:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-21 13:08:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 13:08:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 13:08:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-21 13:08:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 13:08:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 13:08:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 13:08:20,467 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-21 13:08:22,579 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 13:08:22,579 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 13:08:22,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 01:08:22 BoogieIcfgContainer [2020-09-21 13:08:22,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 13:08:22,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 13:08:22,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 13:08:22,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 13:08:22,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 01:08:17" (1/3) ... [2020-09-21 13:08:22,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540d6df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 01:08:22, skipping insertion in model container [2020-09-21 13:08:22,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:08:19" (2/3) ... [2020-09-21 13:08:22,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540d6df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 01:08:22, skipping insertion in model container [2020-09-21 13:08:22,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 01:08:22" (3/3) ... [2020-09-21 13:08:22,598 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-09-21 13:08:22,611 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 13:08:22,623 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 13:08:22,646 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 13:08:22,683 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 13:08:22,683 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 13:08:22,684 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 13:08:22,684 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 13:08:22,684 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 13:08:22,684 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 13:08:22,684 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 13:08:22,684 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 13:08:22,717 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2020-09-21 13:08:22,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-09-21 13:08:22,734 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 13:08:22,735 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:08:22,736 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 13:08:22,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 13:08:22,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1903613762, now seen corresponding path program 1 times [2020-09-21 13:08:22,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 13:08:22,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1569359279] [2020-09-21 13:08:22,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 13:08:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:23,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:23,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:24,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:24,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:24,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:24,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-21 13:08:24,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 13:08:24,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1207 [2020-09-21 13:08:24,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:24,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:24,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-09-21 13:08:24,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:24,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 13:08:25,259 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-21 13:08:25,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:08:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:25,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:25,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:25,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:25,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:25,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-09-21 13:08:25,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:25,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:25,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:25,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:25,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:25,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:25,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:25,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:25,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:25,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:25,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:08:25,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-09-21 13:08:25,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:25,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:25,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:25,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:25,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:25,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:25,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:25,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:25,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:25,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:25,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 13:08:25,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:25,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:25,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:25,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:25,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:25,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:25,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:25,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:25,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:25,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:25,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:08:25,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-21 13:08:25,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:25,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:25,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:25,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:25,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:25,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 13:08:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:26,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:26,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:26,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:26,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:26,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-21 13:08:26,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:26,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:26,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-21 13:08:26,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:26,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:26,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:26,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:26,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:26,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:26,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:26,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 13:08:26,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:26,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:26,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:26,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:26,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:26,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:26,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:26,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:26,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:26,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:26,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 13:08:26,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:26,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:26,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 13:08:26,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:26,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:26,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 13:08:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:26,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:26,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:26,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:26,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:26,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:08:26,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-21 13:08:26,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:26,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:26,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-21 13:08:26,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:26,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:26,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:26,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:26,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:26,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:26,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:26,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 13:08:26,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:26,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:26,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:26,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:26,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:26,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:26,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:26,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:26,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:26,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:26,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 13:08:26,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:26,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:26,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 13:08:26,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:26,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:26,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 13:08:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:26,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:26,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:26,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:26,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:26,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:08:26,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-21 13:08:26,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:26,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:26,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-21 13:08:26,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:26,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:26,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:26,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:26,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:26,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:26,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:26,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 13:08:26,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:26,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:26,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:26,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:26,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:26,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:26,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:26,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:26,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:26,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:26,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:08:26,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 13:08:26,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:26,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:26,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:26,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:26,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:26,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 13:08:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:26,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:26,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:26,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:26,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:26,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:08:26,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-09-21 13:08:26,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:26,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:26,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-21 13:08:26,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:26,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:26,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:26,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:26,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:26,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:26,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:26,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 13:08:26,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:26,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:26,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:26,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:27,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:27,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:27,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:27,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 13:08:27,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:27,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:27,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 13:08:27,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:27,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:27,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-21 13:08:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:27,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:27,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:27,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:27,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:27,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:08:27,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-09-21 13:08:27,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:27,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:27,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-21 13:08:27,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:27,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:27,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:27,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:27,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:27,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:27,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:27,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-21 13:08:27,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:27,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:27,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:27,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:27,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:27,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:27,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:27,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:27,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:27,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:27,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 13:08:27,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 13:08:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:27,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:27,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-21 13:08:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:27,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:27,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:27,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 13:08:27,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:27,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 13:08:27,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:27,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:27,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 13:08:27,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:27,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:27,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 13:08:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:27,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:27,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:27,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:27,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:08:27,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:08:27,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-09-21 13:08:27,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:27,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:27,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 13:08:27,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:27,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:27,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:27,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:27,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:27,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:27,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:27,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 13:08:27,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:27,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:27,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-21 13:08:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:27,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:27,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:27,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:27,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:27,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 13:08:27,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 13:08:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:27,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2020-09-21 13:08:27,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1569359279] [2020-09-21 13:08:27,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 13:08:27,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 13:08:27,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805733513] [2020-09-21 13:08:27,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 13:08:27,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 13:08:27,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 13:08:27,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 13:08:27,928 INFO L87 Difference]: Start difference. First operand 480 states. Second operand 6 states. [2020-09-21 13:08:28,314 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-21 13:08:32,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 13:08:32,646 INFO L93 Difference]: Finished difference Result 553 states and 733 transitions. [2020-09-21 13:08:32,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 13:08:32,649 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2020-09-21 13:08:32,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 13:08:32,670 INFO L225 Difference]: With dead ends: 553 [2020-09-21 13:08:32,670 INFO L226 Difference]: Without dead ends: 271 [2020-09-21 13:08:32,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 13:08:32,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-09-21 13:08:32,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 253. [2020-09-21 13:08:32,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-09-21 13:08:32,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 315 transitions. [2020-09-21 13:08:32,824 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 315 transitions. Word has length 138 [2020-09-21 13:08:32,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 13:08:32,824 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 315 transitions. [2020-09-21 13:08:32,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 13:08:32,825 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 315 transitions. [2020-09-21 13:08:32,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-09-21 13:08:32,829 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 13:08:32,830 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:08:32,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 13:08:32,830 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 13:08:32,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 13:08:32,831 INFO L82 PathProgramCache]: Analyzing trace with hash 568155594, now seen corresponding path program 1 times [2020-09-21 13:08:32,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 13:08:32,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1903603622] [2020-09-21 13:08:32,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 13:08:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:33,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:33,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:33,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:34,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:34,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-21 13:08:34,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 13:08:34,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1108 [2020-09-21 13:08:34,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:34,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 13:08:34,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-21 13:08:34,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 13:08:34,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:34,683 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-21 13:08:34,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:08:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:34,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:34,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:34,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:34,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:34,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-09-21 13:08:34,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:34,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:34,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:34,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:35,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:35,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:35,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:35,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:35,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:35,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-21 13:08:35,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:35,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:35,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:35,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:35,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:35,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:35,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:35,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:35,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:35,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:35,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 13:08:35,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:35,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:35,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:35,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:35,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:35,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:35,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:35,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:35,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:35,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 13:08:35,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:35,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:35,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:35,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 13:08:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:35,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:35,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:35,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:35,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:35,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-21 13:08:35,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:35,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:35,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:35,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:35,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:35,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:35,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:35,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:35,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:35,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:35,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 13:08:35,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:35,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:35,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:35,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:35,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:35,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:35,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:35,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 13:08:35,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:35,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:35,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:35,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:35,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:35,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 13:08:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:35,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:35,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:35,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:35,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:35,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 13:08:35,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:35,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:35,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:35,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:35,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:35,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:35,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:35,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:35,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:35,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:35,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 13:08:35,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:35,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:35,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:35,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:35,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:35,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:35,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:35,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 13:08:35,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:35,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:35,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:35,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:35,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:35,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 13:08:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:35,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:35,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:35,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:35,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:35,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-21 13:08:35,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:35,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:35,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:35,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:35,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:35,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:35,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:35,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:35,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:35,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 13:08:35,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:35,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:35,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:35,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:35,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:35,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:35,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:35,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:35,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:35,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 13:08:35,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:35,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:35,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:35,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:35,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:35,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 13:08:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:35,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:36,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:36,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:36,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:36,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-21 13:08:36,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:36,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:36,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:36,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:36,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:36,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:36,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:36,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:36,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:36,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:36,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 13:08:36,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:36,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:36,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:36,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:36,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:36,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:36,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:36,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:36,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:36,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:36,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 13:08:36,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:36,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:36,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:36,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:36,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:36,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-21 13:08:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:36,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:36,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:36,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:36,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:36,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-21 13:08:36,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:36,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:36,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:36,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:36,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:36,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:36,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:36,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:36,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:36,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:36,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 13:08:36,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:36,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:36,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:36,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:36,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:36,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:36,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:36,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:36,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:36,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 13:08:36,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:36,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:36,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:36,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:36,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:36,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-21 13:08:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:36,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:36,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:36,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 13:08:36,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:36,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 13:08:36,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:36,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:36,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:36,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:36,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:36,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 13:08:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:36,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:36,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:36,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:36,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:08:36,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:08:36,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 392 [2020-09-21 13:08:36,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:36,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:36,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:36,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:36,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:36,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:36,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:36,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 13:08:36,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:36,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:36,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:36,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:36,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:36,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-21 13:08:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:36,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:36,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:36,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:36,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:36,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 13:08:36,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:36,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:36,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 13:08:36,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:36,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-09-21 13:08:37,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1903603622] [2020-09-21 13:08:37,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 13:08:37,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 13:08:37,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685878103] [2020-09-21 13:08:37,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 13:08:37,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 13:08:37,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 13:08:37,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 13:08:37,009 INFO L87 Difference]: Start difference. First operand 253 states and 315 transitions. Second operand 7 states. [2020-09-21 13:08:37,345 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-21 13:08:41,131 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-21 13:08:41,552 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-21 13:08:44,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 13:08:44,648 INFO L93 Difference]: Finished difference Result 651 states and 822 transitions. [2020-09-21 13:08:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 13:08:44,649 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-09-21 13:08:44,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 13:08:44,657 INFO L225 Difference]: With dead ends: 651 [2020-09-21 13:08:44,657 INFO L226 Difference]: Without dead ends: 430 [2020-09-21 13:08:44,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-09-21 13:08:44,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-09-21 13:08:44,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 388. [2020-09-21 13:08:44,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-09-21 13:08:44,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 497 transitions. [2020-09-21 13:08:44,734 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 497 transitions. Word has length 138 [2020-09-21 13:08:44,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 13:08:44,735 INFO L479 AbstractCegarLoop]: Abstraction has 388 states and 497 transitions. [2020-09-21 13:08:44,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 13:08:44,736 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 497 transitions. [2020-09-21 13:08:44,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-09-21 13:08:44,738 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 13:08:44,738 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:08:44,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 13:08:44,739 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 13:08:44,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 13:08:44,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1957018819, now seen corresponding path program 1 times [2020-09-21 13:08:44,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 13:08:44,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [70133375] [2020-09-21 13:08:44,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 13:08:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:45,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:45,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:46,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:46,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-21 13:08:46,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:08:46,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1595 [2020-09-21 13:08:46,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:46,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 13:08:46,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-21 13:08:46,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 13:08:46,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:47,096 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-21 13:08:47,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:08:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:47,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:47,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:47,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:47,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:47,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-09-21 13:08:47,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:47,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:47,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:47,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:47,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:47,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:47,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:47,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:47,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:47,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:47,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-21 13:08:47,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:47,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:47,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:47,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:47,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:47,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:47,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:47,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:47,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:47,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:47,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 13:08:47,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:47,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:47,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:47,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:47,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:47,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:47,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:47,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:47,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:47,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:47,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 13:08:47,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:47,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:47,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:47,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:47,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:47,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 13:08:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:47,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:47,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:47,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:47,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:47,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 13:08:47,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:47,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:47,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:47,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:47,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:47,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:47,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:47,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:47,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 13:08:47,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:47,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:47,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:47,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:47,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:47,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:47,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:47,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:47,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:47,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:47,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 13:08:47,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:47,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:47,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:47,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:47,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:47,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 13:08:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:47,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:47,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:47,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:47,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:47,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 13:08:47,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:47,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:47,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:47,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:47,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:47,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:47,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:47,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 13:08:47,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:47,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:47,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:47,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:47,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:47,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:47,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:47,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 13:08:47,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:47,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:47,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:47,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:47,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:48,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 13:08:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:48,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:48,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:48,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:48,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:48,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 13:08:48,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:48,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:48,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:48,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:48,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:48,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:48,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:48,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:48,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:48,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:48,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 13:08:48,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:48,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:48,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:48,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:48,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:48,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:48,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:48,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:48,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:48,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:48,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 13:08:48,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:48,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:48,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:48,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:48,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 13:08:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:48,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:48,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:48,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:48,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:48,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-21 13:08:48,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:48,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:48,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:48,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:48,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:48,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:48,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:48,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:48,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:48,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:48,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 13:08:48,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:48,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:48,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:48,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:48,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:48,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:48,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:48,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:48,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 13:08:48,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:48,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:48,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:48,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:48,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:48,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-21 13:08:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:48,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:48,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:48,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:08:48,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:48,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 13:08:48,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:48,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:48,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:48,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:48,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:48,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:48,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:48,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 13:08:48,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:48,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:48,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:48,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:48,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:48,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:08:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:48,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:48,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:48,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:48,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:48,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 13:08:48,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:48,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:48,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-21 13:08:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:48,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:48,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:48,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 13:08:48,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:48,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 13:08:48,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:48,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:48,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:48,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:48,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:48,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 13:08:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:48,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:48,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:48,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:48,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:08:48,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:08:48,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-09-21 13:08:48,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:48,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:48,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:48,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:48,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:48,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:48,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:48,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:48,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:08:48,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:48,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 13:08:48,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:49,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:49,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:49,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-21 13:08:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:49,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:49,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:49,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-21 13:08:49,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:49,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 13:08:49,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:49,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 13:08:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:49,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:49,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:08:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:49,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:49,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:49,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 13:08:49,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:49,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 13:08:49,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:49,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:49,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:49,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:08:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:49,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:49,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:49,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:08:49,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:08:49,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 13:08:49,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:49,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:08:49,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:08:49,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:08:49,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:08:49,270 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-09-21 13:08:49,270 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [70133375] [2020-09-21 13:08:49,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 13:08:49,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 13:08:49,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127549333] [2020-09-21 13:08:49,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 13:08:49,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 13:08:49,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 13:08:49,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-21 13:08:49,272 INFO L87 Difference]: Start difference. First operand 388 states and 497 transitions. Second operand 8 states. [2020-09-21 13:08:49,669 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-21 13:08:53,516 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-21 13:08:54,020 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-21 13:08:57,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 13:08:57,308 INFO L93 Difference]: Finished difference Result 701 states and 915 transitions. [2020-09-21 13:08:57,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 13:08:57,309 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2020-09-21 13:08:57,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 13:08:57,319 INFO L225 Difference]: With dead ends: 701 [2020-09-21 13:08:57,319 INFO L226 Difference]: Without dead ends: 677 [2020-09-21 13:08:57,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2020-09-21 13:08:57,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2020-09-21 13:08:57,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 643. [2020-09-21 13:08:57,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-09-21 13:08:57,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 847 transitions. [2020-09-21 13:08:57,429 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 847 transitions. Word has length 141 [2020-09-21 13:08:57,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 13:08:57,430 INFO L479 AbstractCegarLoop]: Abstraction has 643 states and 847 transitions. [2020-09-21 13:08:57,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 13:08:57,431 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 847 transitions. [2020-09-21 13:08:57,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-21 13:08:57,433 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 13:08:57,433 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:08:57,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 13:08:57,434 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 13:08:57,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 13:08:57,434 INFO L82 PathProgramCache]: Analyzing trace with hash -2115073202, now seen corresponding path program 1 times [2020-09-21 13:08:57,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 13:08:57,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1059156608] [2020-09-21 13:08:57,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 13:08:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:57,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:58,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:08:59,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:08:59,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-09-21 13:08:59,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:08:59,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1636 [2020-09-21 13:08:59,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:08:59,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 13:08:59,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 224 [2020-09-21 13:08:59,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 13:08:59,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:08:59,906 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-21 13:08:59,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:08:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:08:59,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:00,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:00,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:09:00,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:00,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-09-21 13:09:00,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:00,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:00,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:00,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:00,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:00,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:09:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:00,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:00,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:00,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:09:00,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:00,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 13:09:00,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:00,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:00,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:00,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:00,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:00,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:09:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:00,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:00,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:00,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:09:00,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:00,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 13:09:00,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:00,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:00,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:00,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:00,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:09:00,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:09:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:00,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:00,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:00,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:09:00,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:00,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 13:09:00,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:00,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:00,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:00,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:00,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:00,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 13:09:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:00,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:00,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:00,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:09:00,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:00,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 13:09:00,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:00,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:00,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:00,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:09:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:00,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:00,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:00,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:09:00,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:00,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 13:09:00,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:00,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:00,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:00,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:00,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:09:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:00,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:00,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:00,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:09:00,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:00,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 13:09:00,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:00,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:00,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 13:09:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:00,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:00,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:00,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:09:00,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:00,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-21 13:09:00,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:00,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:00,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:00,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:00,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:09:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:00,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:00,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:00,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:09:00,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:00,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 13:09:00,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:00,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:00,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:00,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:00,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:00,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:09:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:00,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:00,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:00,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:09:00,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:00,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 13:09:00,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:00,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:00,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:00,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:09:00,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 13:09:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:00,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:00,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:00,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:09:00,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:00,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 13:09:00,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:00,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:00,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:00,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:00,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:00,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:09:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:00,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:00,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:00,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:09:00,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:00,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 13:09:00,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:00,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:00,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:00,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:00,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:00,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:09:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:00,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:00,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:00,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:09:00,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:00,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 13:09:00,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:00,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:00,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:09:00,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 13:09:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:00,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:01,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:01,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:09:01,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:01,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 13:09:01,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:01,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:01,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:01,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:01,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:09:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:01,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:01,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:01,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:09:01,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:01,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 13:09:01,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:01,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:01,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:01,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:01,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:01,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:09:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:01,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:01,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:01,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:09:01,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:01,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 13:09:01,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:01,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:01,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:01,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:01,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:01,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-21 13:09:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:01,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:01,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:01,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:09:01,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:01,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 13:09:01,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:01,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:01,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:01,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:01,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:01,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:09:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:01,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:01,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:01,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:09:01,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:01,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 13:09:01,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:01,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:01,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:01,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:01,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:01,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:09:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:01,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:01,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:01,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:09:01,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:01,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 13:09:01,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:01,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:01,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:01,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:01,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:01,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-21 13:09:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:01,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:01,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:01,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 13:09:01,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:01,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 13:09:01,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:01,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:01,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:01,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:01,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:01,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 13:09:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:01,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:01,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:01,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:01,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 13:09:01,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:09:01,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-09-21 13:09:01,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:01,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:01,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:01,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:01,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:01,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:09:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:01,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:01,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:01,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:09:01,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:01,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 13:09:01,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:01,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:01,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:01,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:01,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:01,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-21 13:09:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:01,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:01,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:01,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-21 13:09:01,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:01,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-09-21 13:09:01,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:01,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:01,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:01,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:01,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:09:01,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:09:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:01,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:01,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:01,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 13:09:01,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:01,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-21 13:09:01,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:01,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:01,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:01,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:01,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:01,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:09:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:01,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:01,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:01,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:09:01,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 13:09:01,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:01,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:01,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:01,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:01,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:02,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:09:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:02,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:02,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:02,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 13:09:02,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:02,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-21 13:09:02,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:02,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:02,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:02,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:02,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:02,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:09:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:02,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:02,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:02,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 13:09:02,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:02,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 13:09:02,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:02,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:02,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:02,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:02,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:09:02,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:09:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:02,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:02,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:02,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:09:02,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:02,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 13:09:02,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:02,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:02,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:02,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:02,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:09:02,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:09:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:09:02,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:09:02,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:09:02,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:09:02,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:09:02,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 13:09:02,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:09:02,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:09:02,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:09:02,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:09:02,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:09:02,339 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-09-21 13:09:02,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1059156608] [2020-09-21 13:09:02,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 13:09:02,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 13:09:02,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879171212] [2020-09-21 13:09:02,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 13:09:02,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 13:09:02,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 13:09:02,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-21 13:09:02,342 INFO L87 Difference]: Start difference. First operand 643 states and 847 transitions. Second operand 9 states. [2020-09-21 13:09:02,691 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-21 13:09:06,453 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-21 13:09:06,921 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 234