/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 06:59:58,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 06:59:58,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 06:59:59,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 06:59:59,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 06:59:59,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 06:59:59,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 06:59:59,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 06:59:59,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 06:59:59,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 06:59:59,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 06:59:59,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 06:59:59,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 06:59:59,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 06:59:59,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 06:59:59,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 06:59:59,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 06:59:59,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 06:59:59,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 06:59:59,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 06:59:59,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 06:59:59,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 06:59:59,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 06:59:59,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 06:59:59,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 06:59:59,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 06:59:59,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 06:59:59,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 06:59:59,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 06:59:59,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 06:59:59,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 06:59:59,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 06:59:59,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 06:59:59,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 06:59:59,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 06:59:59,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 06:59:59,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 06:59:59,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 06:59:59,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 06:59:59,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 06:59:59,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 06:59:59,112 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 [2020-10-15 06:59:59,150 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 06:59:59,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 06:59:59,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 06:59:59,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 06:59:59,152 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 06:59:59,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 06:59:59,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 06:59:59,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 06:59:59,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 06:59:59,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 06:59:59,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 06:59:59,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 06:59:59,155 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 06:59:59,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 06:59:59,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 06:59:59,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 06:59:59,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 06:59:59,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 06:59:59,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 06:59:59,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 06:59:59,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 06:59:59,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 06:59:59,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 06:59:59,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 06:59:59,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 06:59:59,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 06:59:59,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 06:59:59,158 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 06:59:59,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 06:59:59,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 06:59:59,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 06:59:59,481 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 06:59:59,482 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 06:59:59,482 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2020-10-15 06:59:59,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23a51be40/50ebdc7ce79f417e98f4ff11d599fb14/FLAGb6c5e74f2 [2020-10-15 07:00:00,247 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 07:00:00,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2020-10-15 07:00:00,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23a51be40/50ebdc7ce79f417e98f4ff11d599fb14/FLAGb6c5e74f2 [2020-10-15 07:00:00,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23a51be40/50ebdc7ce79f417e98f4ff11d599fb14 [2020-10-15 07:00:00,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 07:00:00,394 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 07:00:00,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 07:00:00,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 07:00:00,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 07:00:00,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:00:00" (1/1) ... [2020-10-15 07:00:00,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b44a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:00:00, skipping insertion in model container [2020-10-15 07:00:00,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:00:00" (1/1) ... [2020-10-15 07:00:00,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 07:00:00,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 07:00:01,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 07:00:01,494 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 07:00:01,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 07:00:01,816 INFO L208 MainTranslator]: Completed translation [2020-10-15 07:00:01,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:00:01 WrapperNode [2020-10-15 07:00:01,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 07:00:01,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 07:00:01,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 07:00:01,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 07:00:01,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:00:01" (1/1) ... [2020-10-15 07:00:01,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:00:01" (1/1) ... [2020-10-15 07:00:01,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:00:01" (1/1) ... [2020-10-15 07:00:01,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:00:01" (1/1) ... [2020-10-15 07:00:01,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:00:01" (1/1) ... [2020-10-15 07:00:02,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:00:01" (1/1) ... [2020-10-15 07:00:02,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:00:01" (1/1) ... [2020-10-15 07:00:02,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 07:00:02,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 07:00:02,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 07:00:02,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 07:00:02,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:00:01" (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 [2020-10-15 07:00:02,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 07:00:02,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 07:00:02,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-15 07:00:02,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-15 07:00:02,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-15 07:00:02,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2020-10-15 07:00:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2020-10-15 07:00:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-15 07:00:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-15 07:00:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-15 07:00:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2020-10-15 07:00:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-15 07:00:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-15 07:00:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-15 07:00:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-15 07:00:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 07:00:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-15 07:00:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 07:00:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 07:00:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-15 07:00:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-15 07:00:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-15 07:00:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 07:00:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-15 07:00:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 07:00:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-15 07:00:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_create_image [2020-10-15 07:00:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_suspend [2020-10-15 07:00:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_resume [2020-10-15 07:00:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_delete [2020-10-15 07:00:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_open [2020-10-15 07:00:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_release [2020-10-15 07:00:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_read [2020-10-15 07:00:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_probe [2020-10-15 07:00:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_disconnect [2020-10-15 07:00:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_init [2020-10-15 07:00:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_exit [2020-10-15 07:00:02,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-15 07:00:02,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2020-10-15 07:00:02,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 07:00:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-15 07:00:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2020-10-15 07:00:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_3 [2020-10-15 07:00:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_4 [2020-10-15 07:00:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_5 [2020-10-15 07:00:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_9 [2020-10-15 07:00:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2020-10-15 07:00:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-15 07:00:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-15 07:00:02,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-15 07:00:02,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-15 07:00:02,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-15 07:00:02,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-15 07:00:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-15 07:00:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-15 07:00:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-15 07:00:02,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-15 07:00:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-15 07:00:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-15 07:00:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-15 07:00:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-15 07:00:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-15 07:00:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 07:00:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-15 07:00:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-15 07:00:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-15 07:00:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2020-10-15 07:00:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-15 07:00:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 07:00:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-15 07:00:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-15 07:00:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2020-10-15 07:00:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-15 07:00:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-15 07:00:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-15 07:00:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2020-10-15 07:00:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2020-10-15 07:00:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2020-10-15 07:00:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-15 07:00:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 07:00:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 07:00:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-15 07:00:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 07:00:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 07:00:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 07:00:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 07:00:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 07:00:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-15 07:00:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 07:00:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-15 07:00:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2020-10-15 07:00:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2020-10-15 07:00:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-15 07:00:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-15 07:00:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-15 07:00:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-15 07:00:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-15 07:00:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-15 07:00:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-15 07:00:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-15 07:00:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-15 07:00:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-15 07:00:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2020-10-15 07:00:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2020-10-15 07:00:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2020-10-15 07:00:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-15 07:00:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 07:00:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-15 07:00:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2020-10-15 07:00:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_5 [2020-10-15 07:00:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-15 07:00:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_3 [2020-10-15 07:00:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_4 [2020-10-15 07:00:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2020-10-15 07:00:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-15 07:00:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_9 [2020-10-15 07:00:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-15 07:00:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2020-10-15 07:00:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2020-10-15 07:00:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2020-10-15 07:00:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-15 07:00:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-15 07:00:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-15 07:00:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-15 07:00:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-15 07:00:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-15 07:00:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-15 07:00:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-15 07:00:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 07:00:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 07:00:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-15 07:00:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 07:00:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 07:00:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-15 07:00:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 07:00:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-15 07:00:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 07:00:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-10-15 07:00:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2020-10-15 07:00:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 07:00:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 07:00:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 07:00:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 07:00:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-15 07:00:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-15 07:00:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-15 07:00:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 07:00:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-15 07:00:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-15 07:00:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-15 07:00:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2020-10-15 07:00:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 07:00:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_read [2020-10-15 07:00:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_open [2020-10-15 07:00:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_release [2020-10-15 07:00:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_probe [2020-10-15 07:00:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_disconnect [2020-10-15 07:00:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_suspend [2020-10-15 07:00:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_resume [2020-10-15 07:00:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_create_image [2020-10-15 07:00:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 07:00:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 07:00:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 07:00:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 07:00:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_delete [2020-10-15 07:00:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_init [2020-10-15 07:00:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_exit [2020-10-15 07:00:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 07:00:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 07:00:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 07:00:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 07:00:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-15 07:00:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-15 07:00:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-15 07:00:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-15 07:00:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-15 07:00:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-15 07:00:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-15 07:00:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-15 07:00:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-15 07:00:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-15 07:00:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-15 07:00:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-15 07:00:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 07:00:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 07:00:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 07:00:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 07:00:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 07:00:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 07:00:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 07:00:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 07:00:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 07:00:02,795 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-15 07:00:03,375 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-15 07:00:03,954 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 07:00:03,955 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 07:00:03,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:00:03 BoogieIcfgContainer [2020-10-15 07:00:03,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 07:00:03,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 07:00:03,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 07:00:03,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 07:00:03,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:00:00" (1/3) ... [2020-10-15 07:00:03,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30731f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:00:03, skipping insertion in model container [2020-10-15 07:00:03,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:00:01" (2/3) ... [2020-10-15 07:00:03,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30731f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:00:03, skipping insertion in model container [2020-10-15 07:00:03,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:00:03" (3/3) ... [2020-10-15 07:00:03,972 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2020-10-15 07:00:03,983 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 07:00:03,992 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 07:00:04,004 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 07:00:04,033 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 07:00:04,033 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 07:00:04,033 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 07:00:04,033 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 07:00:04,033 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 07:00:04,034 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 07:00:04,034 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 07:00:04,034 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 07:00:04,067 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states. [2020-10-15 07:00:04,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-15 07:00:04,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 07:00:04,081 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 07:00:04,082 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 07:00:04,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 07:00:04,089 INFO L82 PathProgramCache]: Analyzing trace with hash 703829690, now seen corresponding path program 1 times [2020-10-15 07:00:04,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 07:00:04,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [527595976] [2020-10-15 07:00:04,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 07:00:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:04,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:04,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:06,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:06,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:06,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-15 07:00:06,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 07:00:06,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2341 [2020-10-15 07:00:06,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:06,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:06,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:06,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 07:00:06,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-15 07:00:06,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 07:00:07,750 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-15 07:00:07,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 07:00:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:07,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:08,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:08,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:00:08,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:08,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-15 07:00:08,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:08,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:08,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:08,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:08,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 07:00:08,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 07:00:08,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 07:00:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:08,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:08,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:08,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:08,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:08,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 07:00:08,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:08,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:08,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:08,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:08,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 07:00:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:08,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:08,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:08,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:08,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:08,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 07:00:08,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:08,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:08,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:08,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:08,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:08,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:08,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 07:00:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:08,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:08,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:08,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:08,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:08,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 07:00:08,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:08,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:08,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:08,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 07:00:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:08,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:08,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:08,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 07:00:08,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:08,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 07:00:08,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:08,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:08,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:08,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:08,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 07:00:08,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:08,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 07:00:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:08,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:08,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:08,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:08,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:08,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 07:00:08,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-15 07:00:08,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:08,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:08,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:08,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:08,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:08,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 07:00:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:08,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:08,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:08,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 07:00:08,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:08,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 07:00:08,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:08,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:08,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:08,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:08,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 07:00:08,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 07:00:08,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 07:00:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:08,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:08,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:08,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 07:00:08,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:08,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 07:00:08,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:08,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:08,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:00:08,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:08,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:00:08,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:08,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:00:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:08,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:08,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:08,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:00:08,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:08,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 07:00:08,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:08,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:08,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:00:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:00:08,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 07:00:08,524 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-15 07:00:08,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [527595976] [2020-10-15 07:00:08,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 07:00:08,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 07:00:08,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071432672] [2020-10-15 07:00:08,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 07:00:08,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 07:00:08,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 07:00:08,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-15 07:00:08,566 INFO L87 Difference]: Start difference. First operand 566 states. Second operand 7 states. [2020-10-15 07:00:09,353 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-15 07:00:10,174 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-15 07:00:10,841 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2020-10-15 07:00:17,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 07:00:17,828 INFO L93 Difference]: Finished difference Result 1289 states and 1765 transitions. [2020-10-15 07:00:17,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 07:00:17,831 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2020-10-15 07:00:17,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 07:00:17,855 INFO L225 Difference]: With dead ends: 1289 [2020-10-15 07:00:17,855 INFO L226 Difference]: Without dead ends: 742 [2020-10-15 07:00:17,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-15 07:00:17,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2020-10-15 07:00:18,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 513. [2020-10-15 07:00:18,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-10-15 07:00:18,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 651 transitions. [2020-10-15 07:00:18,061 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 651 transitions. Word has length 56 [2020-10-15 07:00:18,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 07:00:18,062 INFO L479 AbstractCegarLoop]: Abstraction has 513 states and 651 transitions. [2020-10-15 07:00:18,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 07:00:18,062 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 651 transitions. [2020-10-15 07:00:18,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-15 07:00:18,067 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 07:00:18,068 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 07:00:18,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 07:00:18,068 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 07:00:18,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 07:00:18,069 INFO L82 PathProgramCache]: Analyzing trace with hash 343565219, now seen corresponding path program 1 times [2020-10-15 07:00:18,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 07:00:18,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080552310] [2020-10-15 07:00:18,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 07:00:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:18,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:18,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:19,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:19,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:19,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-15 07:00:19,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 07:00:19,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1523 [2020-10-15 07:00:19,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:19,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:19,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:19,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 07:00:19,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-15 07:00:19,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:20,196 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-15 07:00:20,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 07:00:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:20,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:20,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:20,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:00:20,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:20,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-15 07:00:20,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:20,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:20,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:20,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:20,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 07:00:20,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:20,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 07:00:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:20,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:20,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:20,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:20,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:20,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 07:00:20,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:20,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:20,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:20,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:20,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:20,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:20,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 07:00:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:20,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:20,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:20,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:20,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:20,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 07:00:20,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:20,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:20,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:20,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:20,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:20,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:20,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 07:00:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:20,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:20,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:20,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:20,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:20,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 07:00:20,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:20,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:20,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:20,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:20,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:20,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:20,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 07:00:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:20,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:20,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:20,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 07:00:20,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:20,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 07:00:20,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:20,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:20,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:20,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:20,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 07:00:20,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:20,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 07:00:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:20,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:20,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:20,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:20,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:20,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 07:00:20,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 07:00:20,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:20,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:20,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:20,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:20,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:20,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:20,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 07:00:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:20,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:20,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:20,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 07:00:20,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:20,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 07:00:20,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:20,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:20,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:20,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:20,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 07:00:20,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:20,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 07:00:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:20,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:20,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:20,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 07:00:20,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:20,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 07:00:20,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:20,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:00:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:00:20,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:20,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:00:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:20,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:20,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:20,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:00:20,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:20,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 07:00:20,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:20,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:20,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:00:20,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:20,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:00:20,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:20,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-15 07:00:20,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080552310] [2020-10-15 07:00:20,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 07:00:20,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 07:00:20,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172238368] [2020-10-15 07:00:20,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 07:00:20,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 07:00:20,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 07:00:20,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-15 07:00:20,769 INFO L87 Difference]: Start difference. First operand 513 states and 651 transitions. Second operand 8 states. [2020-10-15 07:00:21,169 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-15 07:00:22,144 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-15 07:00:22,744 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2020-10-15 07:00:29,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 07:00:29,311 INFO L93 Difference]: Finished difference Result 744 states and 1012 transitions. [2020-10-15 07:00:29,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 07:00:29,311 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-10-15 07:00:29,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 07:00:29,320 INFO L225 Difference]: With dead ends: 744 [2020-10-15 07:00:29,320 INFO L226 Difference]: Without dead ends: 741 [2020-10-15 07:00:29,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2020-10-15 07:00:29,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-10-15 07:00:29,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 512. [2020-10-15 07:00:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2020-10-15 07:00:29,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 649 transitions. [2020-10-15 07:00:29,454 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 649 transitions. Word has length 57 [2020-10-15 07:00:29,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 07:00:29,458 INFO L479 AbstractCegarLoop]: Abstraction has 512 states and 649 transitions. [2020-10-15 07:00:29,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 07:00:29,458 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 649 transitions. [2020-10-15 07:00:29,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-15 07:00:29,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 07:00:29,471 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 07:00:29,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 07:00:29,474 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 07:00:29,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 07:00:29,474 INFO L82 PathProgramCache]: Analyzing trace with hash 2060273373, now seen corresponding path program 1 times [2020-10-15 07:00:29,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 07:00:29,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080224117] [2020-10-15 07:00:29,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 07:00:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:29,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:29,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:30,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:30,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:30,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-15 07:00:30,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 07:00:30,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1236 [2020-10-15 07:00:30,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:30,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:30,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:30,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 07:00:30,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-15 07:00:30,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:31,297 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-15 07:00:31,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 07:00:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:31,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:31,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:31,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:00:31,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:31,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-15 07:00:31,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:31,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:31,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:31,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:31,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 07:00:31,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:31,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 07:00:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:31,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:31,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:31,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:31,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:31,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 07:00:31,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:31,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:31,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:31,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:31,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:31,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 07:00:31,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 07:00:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:31,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:31,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:31,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:31,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:31,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 07:00:31,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:31,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:31,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:31,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:31,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:31,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:31,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 07:00:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:31,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:31,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:31,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:31,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:31,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 07:00:31,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:31,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:31,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:31,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 07:00:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:31,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:31,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:31,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 07:00:31,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:31,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 07:00:31,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:31,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:31,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:31,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:31,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 07:00:31,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:31,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 07:00:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:31,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:31,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:31,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:31,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:31,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 07:00:31,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 07:00:31,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:31,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:31,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:31,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:31,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:31,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:31,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 07:00:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:31,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:31,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:31,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 07:00:31,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:31,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 07:00:31,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:31,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:31,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:31,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:31,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 07:00:31,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:31,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 07:00:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:31,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:31,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:31,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 07:00:31,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:31,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 07:00:31,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:31,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:31,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:00:31,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:31,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:00:31,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:31,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:00:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:31,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:31,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:31,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:00:31,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:31,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 07:00:31,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:31,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:31,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:00:31,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:31,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:00:31,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:31,826 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-15 07:00:31,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080224117] [2020-10-15 07:00:31,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 07:00:31,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 07:00:31,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306407001] [2020-10-15 07:00:31,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 07:00:31,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 07:00:31,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 07:00:31,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-15 07:00:31,830 INFO L87 Difference]: Start difference. First operand 512 states and 649 transitions. Second operand 7 states. [2020-10-15 07:00:32,396 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-15 07:00:33,072 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2020-10-15 07:00:33,636 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-15 07:00:40,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 07:00:40,050 INFO L93 Difference]: Finished difference Result 743 states and 1010 transitions. [2020-10-15 07:00:40,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 07:00:40,050 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-10-15 07:00:40,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 07:00:40,057 INFO L225 Difference]: With dead ends: 743 [2020-10-15 07:00:40,058 INFO L226 Difference]: Without dead ends: 740 [2020-10-15 07:00:40,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-15 07:00:40,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2020-10-15 07:00:40,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 511. [2020-10-15 07:00:40,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2020-10-15 07:00:40,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 647 transitions. [2020-10-15 07:00:40,162 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 647 transitions. Word has length 58 [2020-10-15 07:00:40,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 07:00:40,162 INFO L479 AbstractCegarLoop]: Abstraction has 511 states and 647 transitions. [2020-10-15 07:00:40,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 07:00:40,162 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 647 transitions. [2020-10-15 07:00:40,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-15 07:00:40,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 07:00:40,164 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 07:00:40,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 07:00:40,165 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 07:00:40,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 07:00:40,165 INFO L82 PathProgramCache]: Analyzing trace with hash -556343834, now seen corresponding path program 1 times [2020-10-15 07:00:40,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 07:00:40,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665128859] [2020-10-15 07:00:40,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 07:00:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:40,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:40,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:40,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:42,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:42,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 07:00:42,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 07:00:42,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1863 [2020-10-15 07:00:42,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:42,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 07:00:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 07:00:42,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-15 07:00:42,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:42,556 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-15 07:00:42,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 07:00:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:42,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:42,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:42,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:00:42,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:42,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-15 07:00:42,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:42,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 07:00:42,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:42,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 07:00:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:42,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:42,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:42,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:42,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:42,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 07:00:42,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:42,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:42,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:42,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:42,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:42,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:42,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 07:00:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:42,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:42,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:42,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:42,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:42,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 07:00:42,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:42,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:42,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:42,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 07:00:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:42,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:42,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:42,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:42,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:42,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 07:00:42,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:42,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:42,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:42,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:42,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:42,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:42,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 07:00:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:42,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:42,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:42,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 07:00:42,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:42,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 07:00:42,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:42,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 07:00:42,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:42,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 07:00:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:42,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:42,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:42,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:42,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:42,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 07:00:42,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 07:00:42,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:42,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:42,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:42,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:42,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:42,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:42,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 07:00:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:42,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:42,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:42,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 07:00:42,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:42,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 07:00:42,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:42,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:42,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:42,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:42,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 07:00:42,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:42,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 07:00:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:42,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:42,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:42,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 07:00:42,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:42,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 07:00:42,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:42,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:42,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:00:42,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:42,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:00:42,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:42,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:00:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:42,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:42,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:42,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:00:42,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:42,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:00:42,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:42,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:42,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:00:42,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:42,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:00:42,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:42,916 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-15 07:00:42,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665128859] [2020-10-15 07:00:42,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 07:00:42,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 07:00:42,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715082118] [2020-10-15 07:00:42,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 07:00:42,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 07:00:42,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 07:00:42,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-15 07:00:42,918 INFO L87 Difference]: Start difference. First operand 511 states and 647 transitions. Second operand 7 states. [2020-10-15 07:00:43,459 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-15 07:00:44,082 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2020-10-15 07:00:44,642 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-15 07:00:56,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 07:00:56,977 INFO L93 Difference]: Finished difference Result 1915 states and 2573 transitions. [2020-10-15 07:00:56,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 07:00:56,978 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2020-10-15 07:00:56,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 07:00:56,987 INFO L225 Difference]: With dead ends: 1915 [2020-10-15 07:00:56,987 INFO L226 Difference]: Without dead ends: 1425 [2020-10-15 07:00:56,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2020-10-15 07:00:56,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2020-10-15 07:00:57,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1019. [2020-10-15 07:00:57,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1019 states. [2020-10-15 07:00:57,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1303 transitions. [2020-10-15 07:00:57,187 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1303 transitions. Word has length 59 [2020-10-15 07:00:57,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 07:00:57,187 INFO L479 AbstractCegarLoop]: Abstraction has 1019 states and 1303 transitions. [2020-10-15 07:00:57,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 07:00:57,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1303 transitions. [2020-10-15 07:00:57,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-15 07:00:57,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 07:00:57,189 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 07:00:57,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 07:00:57,190 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 07:00:57,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 07:00:57,190 INFO L82 PathProgramCache]: Analyzing trace with hash -67093760, now seen corresponding path program 1 times [2020-10-15 07:00:57,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 07:00:57,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287739761] [2020-10-15 07:00:57,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 07:00:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:57,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:57,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:57,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:58,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:58,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-15 07:00:58,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 07:00:58,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 929 [2020-10-15 07:00:58,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:58,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:58,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:58,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 07:00:58,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-15 07:00:58,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:58,614 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-15 07:00:58,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 07:00:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:58,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:58,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:58,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:00:58,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:58,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-15 07:00:58,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:58,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 07:00:58,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:58,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 07:00:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:58,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:58,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:58,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:58,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:58,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 07:00:58,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:58,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:58,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:58,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:58,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:58,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:58,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 07:00:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:58,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:58,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:58,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:58,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:58,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 07:00:58,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:58,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:58,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:58,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:58,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 07:00:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:58,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:58,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:58,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:58,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:58,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 07:00:58,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:58,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:58,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:58,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 07:00:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:58,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:58,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:58,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 07:00:58,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:58,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:00:58,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:58,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:58,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:58,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:58,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 07:00:58,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:58,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 07:00:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:58,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:58,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:58,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:58,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:00:58,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 07:00:58,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 07:00:58,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:58,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:58,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:58,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:58,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:00:58,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:58,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 07:00:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:58,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:58,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:58,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 07:00:58,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:58,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 07:00:58,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:58,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:58,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:00:58,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:58,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 07:00:58,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:58,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 07:00:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:58,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:58,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:58,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 07:00:58,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:58,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:00:58,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:58,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:58,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:00:58,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:58,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:00:58,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:00:58,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:00:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:00:58,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:00:58,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:00:58,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:00:58,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:00:58,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 07:00:58,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:00:58,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:00:58,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:00:58,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:00:58,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:00:58,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:00:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-15 07:00:58,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287739761] [2020-10-15 07:00:58,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 07:00:58,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 07:00:58,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240762399] [2020-10-15 07:00:58,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 07:00:58,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 07:00:58,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 07:00:58,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-15 07:00:58,941 INFO L87 Difference]: Start difference. First operand 1019 states and 1303 transitions. Second operand 7 states. [2020-10-15 07:00:59,487 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-15 07:01:00,103 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2020-10-15 07:01:00,615 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-15 07:01:07,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 07:01:07,228 INFO L93 Difference]: Finished difference Result 1424 states and 1943 transitions. [2020-10-15 07:01:07,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 07:01:07,229 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-10-15 07:01:07,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 07:01:07,241 INFO L225 Difference]: With dead ends: 1424 [2020-10-15 07:01:07,241 INFO L226 Difference]: Without dead ends: 1399 [2020-10-15 07:01:07,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-15 07:01:07,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2020-10-15 07:01:07,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 999. [2020-10-15 07:01:07,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2020-10-15 07:01:07,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1280 transitions. [2020-10-15 07:01:07,452 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1280 transitions. Word has length 60 [2020-10-15 07:01:07,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 07:01:07,453 INFO L479 AbstractCegarLoop]: Abstraction has 999 states and 1280 transitions. [2020-10-15 07:01:07,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 07:01:07,453 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1280 transitions. [2020-10-15 07:01:07,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-15 07:01:07,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 07:01:07,457 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 07:01:07,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 07:01:07,458 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 07:01:07,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 07:01:07,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1754626284, now seen corresponding path program 1 times [2020-10-15 07:01:07,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 07:01:07,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [540996319] [2020-10-15 07:01:07,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 07:01:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:07,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:07,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:07,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:07,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:08,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:12,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:12,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-15 07:01:12,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 07:01:12,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-15 07:01:12,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:12,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:12,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 07:01:12,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 07:01:12,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-15 07:01:12,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:13,091 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-15 07:01:13,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 07:01:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:13,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:13,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:13,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:13,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:13,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-15 07:01:13,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:13,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:13,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:13,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:13,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 07:01:13,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:13,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 07:01:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:13,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:13,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:13,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:01:13,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:13,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 07:01:13,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:13,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:13,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:13,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:13,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:01:13,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:13,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 07:01:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:13,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:13,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:13,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:01:13,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:13,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 07:01:13,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:13,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:01:13,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:13,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 07:01:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:13,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:13,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:13,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:01:13,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:13,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 07:01:13,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:13,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:13,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:13,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:13,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:01:13,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:13,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 07:01:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:13,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:13,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:13,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 07:01:13,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:13,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 07:01:13,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:13,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:13,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:13,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:13,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 07:01:13,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:13,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 07:01:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:13,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:13,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:13,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:13,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:01:13,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 07:01:13,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 07:01:13,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:13,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:13,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:13,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:13,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:01:13,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:13,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 07:01:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:13,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:13,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:13,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:16,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:16,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-15 07:01:16,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 07:01:16,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3086 [2020-10-15 07:01:16,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:16,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:16,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 07:01:16,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-15 07:01:16,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-15 07:01:16,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:16,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:01:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:16,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:16,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:16,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:16,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:16,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:01:16,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:16,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:01:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:01:16,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:16,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 07:01:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:16,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:16,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:16,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 07:01:16,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:16,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 07:01:16,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:16,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:16,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:01:16,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:16,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:01:16,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:16,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:01:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:16,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:16,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:16,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:01:16,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:16,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:01:16,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:16,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:16,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:01:16,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:16,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:01:16,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:16,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 07:01:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:16,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:16,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:16,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:16,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:16,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 07:01:16,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:16,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:16,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:01:16,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:16,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:01:16,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:16,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 07:01:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:16,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:16,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:16,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 07:01:16,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:16,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 07:01:16,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:16,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:16,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 07:01:16,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:16,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 07:01:16,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:16,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:01:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:16,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:16,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:16,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:16,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:16,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 07:01:16,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:16,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:16,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 07:01:16,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:16,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 07:01:16,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:16,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 07:01:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:16,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:16,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:16,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:16,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:16,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 07:01:16,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:16,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:16,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:16,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:16,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:01:16,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:16,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 07:01:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:16,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:16,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:16,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:16,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:16,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 07:01:16,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:16,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:16,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:16,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:16,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:01:16,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:16,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 07:01:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:16,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:16,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:16,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 07:01:16,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 07:01:16,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:16,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 07:01:16,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:16,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:01:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:16,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:16,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:16,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 07:01:16,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:16,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 07:01:16,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:16,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:16,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:01:16,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:16,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:01:16,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:16,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:01:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:16,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:16,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:16,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:16,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:16,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:01:16,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:16,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:16,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:01:16,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:16,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:01:16,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:16,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 07:01:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:16,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:16,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:16,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:16,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:16,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 07:01:16,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:16,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:16,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:16,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:16,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:01:16,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:16,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-15 07:01:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:16,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:16,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:16,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 07:01:16,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:16,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 07:01:16,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:16,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:16,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:01:16,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 07:01:16,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:01:16,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:16,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 07:01:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:17,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:17,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:17,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 07:01:17,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:17,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 07:01:17,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:17,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:17,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:01:17,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:17,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:01:17,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:17,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:01:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:17,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:17,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:17,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:17,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:17,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 07:01:17,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:17,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:17,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:01:17,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:17,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:01:17,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:17,063 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-15 07:01:17,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [540996319] [2020-10-15 07:01:17,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 07:01:17,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-15 07:01:17,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338202032] [2020-10-15 07:01:17,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 07:01:17,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 07:01:17,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 07:01:17,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2020-10-15 07:01:17,067 INFO L87 Difference]: Start difference. First operand 999 states and 1280 transitions. Second operand 16 states. [2020-10-15 07:01:17,525 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-15 07:01:18,515 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-15 07:01:19,117 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2020-10-15 07:01:20,572 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:01:21,257 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:01:21,846 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:01:25,013 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-15 07:01:25,576 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-15 07:01:26,125 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-15 07:01:29,434 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 311 [2020-10-15 07:01:30,481 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 311 [2020-10-15 07:01:31,715 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:01:32,231 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-15 07:01:32,801 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-15 07:01:33,316 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2020-10-15 07:01:34,558 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2020-10-15 07:01:35,843 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-15 07:01:36,650 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-15 07:01:37,330 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-15 07:01:44,453 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2020-10-15 07:01:46,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 07:01:46,414 INFO L93 Difference]: Finished difference Result 3404 states and 4446 transitions. [2020-10-15 07:01:46,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-15 07:01:46,415 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 141 [2020-10-15 07:01:46,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 07:01:46,428 INFO L225 Difference]: With dead ends: 3404 [2020-10-15 07:01:46,428 INFO L226 Difference]: Without dead ends: 2426 [2020-10-15 07:01:46,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1067 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=717, Invalid=3189, Unknown=0, NotChecked=0, Total=3906 [2020-10-15 07:01:46,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2426 states. [2020-10-15 07:01:46,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2426 to 1844. [2020-10-15 07:01:46,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1844 states. [2020-10-15 07:01:46,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1844 states and 2348 transitions. [2020-10-15 07:01:46,882 INFO L78 Accepts]: Start accepts. Automaton has 1844 states and 2348 transitions. Word has length 141 [2020-10-15 07:01:46,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 07:01:46,883 INFO L479 AbstractCegarLoop]: Abstraction has 1844 states and 2348 transitions. [2020-10-15 07:01:46,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 07:01:46,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2348 transitions. [2020-10-15 07:01:46,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-15 07:01:46,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 07:01:46,889 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 07:01:46,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 07:01:46,890 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 07:01:46,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 07:01:46,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1815136912, now seen corresponding path program 1 times [2020-10-15 07:01:46,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 07:01:46,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159169882] [2020-10-15 07:01:46,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 07:01:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:47,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:47,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:47,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:47,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:48,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:52,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:52,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-15 07:01:52,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 07:01:52,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-15 07:01:52,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:52,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 07:01:52,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 07:01:52,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-15 07:01:52,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:52,730 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-15 07:01:52,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 07:01:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:52,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:52,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:52,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:52,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:52,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-15 07:01:52,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:52,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:52,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:52,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:52,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 07:01:52,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:52,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 07:01:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:52,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:52,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:52,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:01:52,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:52,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 07:01:52,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:52,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:52,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:52,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:52,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:01:52,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:52,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 07:01:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:53,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:53,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:53,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:01:53,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:53,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 07:01:53,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:53,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:53,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:53,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:53,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:01:53,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:53,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 07:01:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:53,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:53,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:53,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:01:53,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:53,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 07:01:53,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:53,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:53,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:53,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:53,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:01:53,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:53,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 07:01:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:53,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:53,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:53,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 07:01:53,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:53,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:01:53,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:53,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:53,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:53,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:53,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 07:01:53,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:53,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 07:01:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:53,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:53,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:53,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:53,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:01:53,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 07:01:53,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 07:01:53,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:53,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:01:53,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:53,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 07:01:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:53,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:53,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:53,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-15 07:01:53,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:53,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-15 07:01:53,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:53,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:53,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 07:01:53,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 07:01:53,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-15 07:01:53,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:53,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:01:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:53,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:53,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:53,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 07:01:53,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:53,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 07:01:53,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:53,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 07:01:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 07:01:53,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:53,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:01:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:53,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:53,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:53,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:53,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:53,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:01:53,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:53,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:53,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 07:01:53,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:53,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 07:01:53,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:53,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 07:01:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:53,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:53,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:53,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:53,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:53,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 07:01:53,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:53,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:53,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:53,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:53,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:01:53,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:53,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 07:01:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:53,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:53,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:53,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:53,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:53,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:01:53,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:53,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:53,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:53,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:53,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:01:53,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:53,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 07:01:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:53,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:53,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:53,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 07:01:53,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:53,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 07:01:53,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:53,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:53,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 07:01:53,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:53,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 07:01:53,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:53,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:01:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:53,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:53,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:53,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:53,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:53,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 07:01:53,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:53,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:53,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 07:01:53,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:53,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:01:53,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:53,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 07:01:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:53,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:53,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:53,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:53,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:53,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 07:01:53,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:53,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:53,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:53,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:53,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:01:53,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:53,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 07:01:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:53,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:53,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:53,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:53,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:53,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 07:01:53,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:53,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:53,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:53,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:53,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:01:53,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:53,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 07:01:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:53,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:53,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:53,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:53,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:53,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 07:01:53,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:53,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:53,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:53,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:53,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:01:53,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:53,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 07:01:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:53,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:53,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:54,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:56,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:56,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-15 07:01:56,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 07:01:56,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3013 [2020-10-15 07:01:56,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:56,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 07:01:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 07:01:56,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-15 07:01:56,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:57,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:01:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:57,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:57,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:57,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:57,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:57,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:01:57,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:57,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:57,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:57,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:57,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:01:57,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:57,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 07:01:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:57,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:57,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:57,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 07:01:57,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:57,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 07:01:57,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:57,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:57,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:57,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:57,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 07:01:57,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:57,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:01:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:57,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:57,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:57,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:01:57,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:57,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 07:01:57,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:57,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:57,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:01:57,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:57,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:01:57,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:57,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 07:01:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:57,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:57,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:57,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:57,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:57,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 07:01:57,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:57,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:57,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:57,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:57,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:01:57,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:57,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 07:01:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:57,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:57,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:57,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 07:01:57,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:57,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 07:01:57,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:57,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:57,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 07:01:57,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:57,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 07:01:57,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:57,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:01:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:57,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:57,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:57,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:57,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:57,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 07:01:57,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:57,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:57,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 07:01:57,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:57,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 07:01:57,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:57,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 07:01:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:57,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:57,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:57,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:57,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:57,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:01:57,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:57,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:57,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:57,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:57,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:01:57,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:57,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 07:01:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:57,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:57,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:57,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:57,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:57,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:01:57,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:57,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:57,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:57,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:57,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:01:57,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:57,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 07:01:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:57,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:57,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:57,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 07:01:57,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:57,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 07:01:57,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:57,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 07:01:57,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:57,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:01:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:57,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:57,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:57,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 07:01:57,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:57,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 07:01:57,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:57,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:57,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:01:57,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:57,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:01:57,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:57,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:01:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:57,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:57,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:57,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:57,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:57,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 07:01:57,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:57,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:57,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:01:57,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:57,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:01:57,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:01:57,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 07:01:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:57,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:57,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:57,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:57,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:57,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 07:01:57,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:57,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:57,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 07:01:57,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:57,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:01:57,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:57,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-15 07:01:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:57,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:57,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:57,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 07:01:57,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:57,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:01:57,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:57,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:01:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 07:01:57,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:01:57,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:57,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 07:01:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:57,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:57,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:57,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 07:01:57,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:57,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 07:01:57,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:57,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:57,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:01:57,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:57,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:01:57,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:57,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:01:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:01:57,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:01:57,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:01:57,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:01:57,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:01:57,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 07:01:57,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:01:57,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:01:57,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:01:57,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:01:57,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:01:57,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:01:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-15 07:01:57,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159169882] [2020-10-15 07:01:57,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 07:01:57,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-15 07:01:57,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737577843] [2020-10-15 07:01:57,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-15 07:01:57,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 07:01:57,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-15 07:01:57,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2020-10-15 07:01:57,456 INFO L87 Difference]: Start difference. First operand 1844 states and 2348 transitions. Second operand 29 states. [2020-10-15 07:01:57,958 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-15 07:01:58,912 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-15 07:01:59,605 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2020-10-15 07:02:01,989 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:02:02,841 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:02:03,504 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:02:04,286 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:02:05,426 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 311 [2020-10-15 07:02:06,849 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:02:07,435 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2020-10-15 07:02:08,031 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:02:09,283 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 308 [2020-10-15 07:02:10,304 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 302 [2020-10-15 07:02:11,321 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 308 [2020-10-15 07:02:11,879 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2020-10-15 07:02:12,853 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-15 07:02:13,643 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-15 07:02:14,298 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-15 07:02:15,177 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-15 07:02:16,390 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 316 [2020-10-15 07:02:19,737 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-15 07:02:21,169 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-15 07:02:22,095 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-15 07:02:22,822 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-15 07:02:23,428 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-15 07:02:24,102 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-15 07:02:24,725 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-15 07:02:27,005 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-15 07:02:27,616 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-10-15 07:02:28,183 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-15 07:02:33,151 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 310 [2020-10-15 07:02:33,865 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:02:34,978 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 311 [2020-10-15 07:02:36,274 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-15 07:02:37,366 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 320 DAG size of output: 316 [2020-10-15 07:02:38,250 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-15 07:02:39,255 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2020-10-15 07:02:40,493 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 326 DAG size of output: 325 [2020-10-15 07:02:41,598 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 322 DAG size of output: 321 [2020-10-15 07:02:42,210 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2020-10-15 07:02:43,951 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2020-10-15 07:02:56,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 07:02:56,093 INFO L93 Difference]: Finished difference Result 5529 states and 7206 transitions. [2020-10-15 07:02:56,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2020-10-15 07:02:56,094 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 195 [2020-10-15 07:02:56,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 07:02:56,116 INFO L225 Difference]: With dead ends: 5529 [2020-10-15 07:02:56,116 INFO L226 Difference]: Without dead ends: 3990 [2020-10-15 07:02:56,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3924 ImplicationChecksByTransitivity, 30.9s TimeCoverageRelationStatistics Valid=2014, Invalid=10868, Unknown=0, NotChecked=0, Total=12882 [2020-10-15 07:02:56,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3990 states. [2020-10-15 07:02:56,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3990 to 3195. [2020-10-15 07:02:56,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3195 states. [2020-10-15 07:02:56,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 3195 states and 4097 transitions. [2020-10-15 07:02:56,878 INFO L78 Accepts]: Start accepts. Automaton has 3195 states and 4097 transitions. Word has length 195 [2020-10-15 07:02:56,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 07:02:56,880 INFO L479 AbstractCegarLoop]: Abstraction has 3195 states and 4097 transitions. [2020-10-15 07:02:56,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-15 07:02:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 3195 states and 4097 transitions. [2020-10-15 07:02:56,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-15 07:02:56,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 07:02:56,892 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 07:02:56,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 07:02:56,892 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 07:02:56,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 07:02:56,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1490188526, now seen corresponding path program 1 times [2020-10-15 07:02:56,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 07:02:56,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1893936641] [2020-10-15 07:02:56,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 07:02:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:02:56,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:02:57,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:02:57,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:02:57,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:02:57,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:01,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:01,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-15 07:03:01,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 07:03:01,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-15 07:03:01,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:01,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 07:03:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-15 07:03:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 07:03:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:03:02,716 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-15 07:03:02,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 07:03:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:02,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:02,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:02,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:03:02,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:02,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-15 07:03:02,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:02,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:02,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:02,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:02,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:02,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:02,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 07:03:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:02,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:02,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:02,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:03:02,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:02,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 07:03:02,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:02,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:02,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:02,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:02,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:02,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:02,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 07:03:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:02,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:02,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:02,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:03:02,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:02,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 07:03:02,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:02,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:02,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:02,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:03,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 07:03:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:03,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:03,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:03,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:03:03,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:03,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 07:03:03,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:03,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:03,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:03,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 07:03:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:03,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:03,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:03,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 07:03:03,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:03,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:03:03,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:03,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:03,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:03,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 07:03:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:03,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:03,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:03,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:03,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:03:03,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 07:03:03,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 07:03:03,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:03,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:03,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 07:03:03,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 07:03:03,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 07:03:03,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:03,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 07:03:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:03,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:03,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:04,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:04,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-15 07:03:04,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 07:03:04,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1123 [2020-10-15 07:03:04,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:04,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 07:03:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-15 07:03:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 07:03:04,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:03:04,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:03:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:04,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:04,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:04,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:04,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 07:03:04,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 07:03:04,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 07:03:04,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:04,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:04,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 07:03:04,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 07:03:04,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:03:04,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:04,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:03:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:04,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:04,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:04,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 07:03:04,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:04,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 07:03:04,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:04,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:04,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 07:03:04,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 07:03:04,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:03:04,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:04,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:03:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:04,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:04,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:04,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:03:04,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:04,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 07:03:04,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:04,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:04,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 07:03:04,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:04,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:03:04,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:04,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 07:03:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:04,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:04,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:04,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 07:03:04,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:04,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-15 07:03:04,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:04,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:04,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 07:03:04,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:04,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 07:03:04,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:04,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:03:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:04,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:04,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:04,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 07:03:04,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:04,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-15 07:03:04,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:04,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 07:03:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 07:03:04,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:03:04,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:03:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:04,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:04,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:04,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 07:03:04,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:04,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 07:03:04,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:04,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:04,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 07:03:04,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:04,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 07:03:04,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:04,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:03:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:04,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:04,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:04,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:03:04,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:04,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 07:03:04,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:04,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:04,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 07:03:04,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:04,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:03:04,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:04,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 07:03:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:04,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:04,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:04,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:03:04,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:04,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:03:04,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:04,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:04,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:04,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 07:03:04,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:04,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:03:05,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 07:03:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:05,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:05,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:05,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 07:03:05,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:05,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 07:03:05,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:05,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:05,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 07:03:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:05,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:05,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:03:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:05,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:05,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:05,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:03:05,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:05,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 07:03:05,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:05,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:05,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:05,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:05,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:05,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:03:05,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-15 07:03:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:05,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:05,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:05,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:03:05,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:05,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:03:05,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:05,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:05,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:05,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 07:03:05,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:05,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:03:05,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-15 07:03:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:05,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:05,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:05,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:05,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:05,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-15 07:03:05,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 07:03:05,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 576 [2020-10-15 07:03:05,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:05,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:05,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 07:03:05,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 07:03:05,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 07:03:05,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:03:05,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:03:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:05,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:05,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:05,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:03:05,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:05,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 07:03:05,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:05,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:05,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:05,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:05,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:05,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 07:03:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:05,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:05,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:05,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 07:03:05,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:05,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 07:03:05,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:05,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:05,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 07:03:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 07:03:05,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:06,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:03:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:06,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:06,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:06,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 07:03:06,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:06,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 07:03:06,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:06,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:06,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 07:03:06,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:06,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 07:03:06,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:06,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 07:03:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:06,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:06,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:06,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:03:06,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:06,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 07:03:06,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:06,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 07:03:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:06,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:03:06,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 07:03:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:06,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:06,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:06,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 07:03:06,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:06,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 07:03:06,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:06,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:06,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:06,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 07:03:06,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:06,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:03:06,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:03:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:06,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:06,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:06,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:03:06,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:06,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 07:03:06,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:06,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:06,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:06,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:06,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:06,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:03:06,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 07:03:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:06,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:06,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:06,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:03:06,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:06,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:03:06,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:06,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:06,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:06,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 07:03:06,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:06,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:03:06,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 07:03:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:06,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:06,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:06,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:03:06,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:06,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:03:06,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:06,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:06,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:06,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 07:03:06,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:06,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:03:06,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 07:03:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:06,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:06,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:06,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 07:03:06,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:06,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 07:03:06,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:06,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:06,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:06,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 07:03:06,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:06,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:06,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:03:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:06,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:06,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:06,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 07:03:06,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:06,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 07:03:06,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:06,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:06,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:06,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:06,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:06,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:03:06,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:03:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:06,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:06,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:06,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:03:06,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:06,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 07:03:06,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:06,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:06,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:06,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:06,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:06,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:06,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 07:03:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:06,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:06,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:06,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:03:06,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:06,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:03:06,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:06,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:06,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:06,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 07:03:06,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:06,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:03:06,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-15 07:03:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:06,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:06,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:06,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 07:03:06,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:06,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 07:03:06,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:06,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:06,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:06,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 07:03:06,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:06,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:03:06,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 07:03:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:06,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:06,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:06,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 07:03:06,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:06,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 07:03:06,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:06,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:06,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:06,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:06,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:06,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 07:03:06,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 07:03:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 07:03:06,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 07:03:06,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 07:03:06,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 07:03:06,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 07:03:06,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 07:03:06,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 07:03:06,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 07:03:06,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 07:03:06,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 07:03:06,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 07:03:06,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 07:03:06,334 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-15 07:03:06,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1893936641] [2020-10-15 07:03:06,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 07:03:06,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-15 07:03:06,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081848801] [2020-10-15 07:03:06,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-15 07:03:06,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 07:03:06,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-15 07:03:06,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2020-10-15 07:03:06,336 INFO L87 Difference]: Start difference. First operand 3195 states and 4097 transitions. Second operand 29 states. [2020-10-15 07:03:06,855 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-15 07:03:08,479 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-15 07:03:09,121 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2020-10-15 07:03:10,490 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:03:11,340 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2020-10-15 07:03:12,040 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2020-10-15 07:03:15,185 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-15 07:03:15,818 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-15 07:03:16,420 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-15 07:03:17,016 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:03:18,015 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:03:18,593 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:03:19,186 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:03:19,752 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:03:20,339 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-15 07:03:20,904 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 311