/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:08:24,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:08:24,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:08:24,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:08:24,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:08:24,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:08:24,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:08:24,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:08:24,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:08:24,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:08:24,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:08:24,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:08:24,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:08:24,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:08:24,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:08:24,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:08:24,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:08:24,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:08:24,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:08:24,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:08:24,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:08:24,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:08:24,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:08:24,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:08:24,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:08:24,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:08:24,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:08:24,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:08:24,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:08:24,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:08:24,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:08:24,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:08:24,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:08:24,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:08:24,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:08:24,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:08:24,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:08:24,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:08:24,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:08:24,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:08:24,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:08:24,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-25 14:08:24,844 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:08:24,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:08:24,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:08:24,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:08:24,846 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:08:24,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:08:24,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:08:24,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:08:24,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:08:24,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:08:24,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:08:24,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:08:24,847 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:08:24,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:08:24,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:08:24,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:08:24,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:08:24,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:08:24,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:08:24,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:08:24,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:08:24,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:08:24,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:08:24,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:08:24,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:08:24,850 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:08:24,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 14:08:24,850 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 14:08:25,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:08:25,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:08:25,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:08:25,360 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:08:25,361 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:08:25,363 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 14:08:25,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bd16f5854/b5282d979ae84e86acf45d46bfe6544d/FLAGb69cccdb5 [2020-09-25 14:08:26,321 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:08:26,322 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 14:08:26,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bd16f5854/b5282d979ae84e86acf45d46bfe6544d/FLAGb69cccdb5 [2020-09-25 14:08:26,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bd16f5854/b5282d979ae84e86acf45d46bfe6544d [2020-09-25 14:08:26,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:08:26,892 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:08:26,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:08:26,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:08:26,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:08:26,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:08:26" (1/1) ... [2020-09-25 14:08:26,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733ff1f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:26, skipping insertion in model container [2020-09-25 14:08:26,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:08:26" (1/1) ... [2020-09-25 14:08:26,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:08:27,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:08:28,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:08:28,562 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:08:28,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:08:29,011 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:08:29,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29 WrapperNode [2020-09-25 14:08:29,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:08:29,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:08:29,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:08:29,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:08:29,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (1/1) ... [2020-09-25 14:08:29,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (1/1) ... [2020-09-25 14:08:29,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (1/1) ... [2020-09-25 14:08:29,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (1/1) ... [2020-09-25 14:08:29,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (1/1) ... [2020-09-25 14:08:29,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (1/1) ... [2020-09-25 14:08:29,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (1/1) ... [2020-09-25 14:08:29,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:08:29,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:08:29,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:08:29,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:08:29,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:08:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:08:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:08:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 14:08:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-09-25 14:08:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-09-25 14:08:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 14:08:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 14:08:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 14:08:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 14:08:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 14:08:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 14:08:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 14:08:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 14:08:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 14:08:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 14:08:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 14:08:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 14:08:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2020-09-25 14:08:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2020-09-25 14:08:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2020-09-25 14:08:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2020-09-25 14:08:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2020-09-25 14:08:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2020-09-25 14:08:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2020-09-25 14:08:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2020-09-25 14:08:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_read_busy [2020-09-25 14:08:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_read [2020-09-25 14:08:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_write [2020-09-25 14:08:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_probe [2020-09-25 14:08:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_remove [2020-09-25 14:08:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_init [2020-09-25 14:08:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_exit [2020-09-25 14:08:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 14:08:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_1 [2020-09-25 14:08:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:08:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-09-25 14:08:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-09-25 14:08:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-09-25 14:08:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-09-25 14:08:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-09-25 14:08:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-09-25 14:08:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-09-25 14:08:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-09-25 14:08:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-09-25 14:08:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-09-25 14:08:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-09-25 14:08:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-09-25 14:08:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-09-25 14:08:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-09-25 14:08:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 14:08:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-09-25 14:08:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure crc7 [2020-09-25 14:08:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 14:08:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 14:08:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 14:08:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-09-25 14:08:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 14:08:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 14:08:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_2 [2020-09-25 14:08:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2020-09-25 14:08:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_data [2020-09-25 14:08:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_resources [2020-09-25 14:08:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2020-09-25 14:08:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2020-09-25 14:08:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-09-25 14:08:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2020-09-25 14:08:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_setup [2020-09-25 14:08:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2020-09-25 14:08:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 14:08:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 14:08:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 14:08:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 14:08:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:08:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 14:08:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 14:08:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 14:08:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-09-25 14:08:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:08:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-09-25 14:08:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-09-25 14:08:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:08:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-09-25 14:08:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 14:08:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 14:08:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 14:08:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 14:08:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 14:08:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 14:08:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 14:08:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 14:08:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 14:08:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:08:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 14:08:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:08:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-09-25 14:08:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 14:08:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 14:08:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 14:08:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:08:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 14:08:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 14:08:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 14:08:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 14:08:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 14:08:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 14:08:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_wl1271_if_operations_2 [2020-09-25 14:08:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_1 [2020-09-25 14:08:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure crc7 [2020-09-25 14:08:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2020-09-25 14:08:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2020-09-25 14:08:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2020-09-25 14:08:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2020-09-25 14:08:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2020-09-25 14:08:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2020-09-25 14:08:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 14:08:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2020-09-25 14:08:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure spi_setup [2020-09-25 14:08:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2020-09-25 14:08:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-09-25 14:08:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2020-09-25 14:08:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_resources [2020-09-25 14:08:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_data [2020-09-25 14:08:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2020-09-25 14:08:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2020-09-25 14:08:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2020-09-25 14:08:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:08:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:08:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:08:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2020-09-25 14:08:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:08:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_read_busy [2020-09-25 14:08:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_read [2020-09-25 14:08:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_write [2020-09-25 14:08:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_probe [2020-09-25 14:08:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_remove [2020-09-25 14:08:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_init [2020-09-25 14:08:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_exit [2020-09-25 14:08:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 14:08:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 14:08:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 14:08:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_2 [2020-09-25 14:08:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:08:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-09-25 14:08:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-09-25 14:08:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-09-25 14:08:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-09-25 14:08:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-09-25 14:08:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-09-25 14:08:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-09-25 14:08:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-09-25 14:08:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 14:08:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-09-25 14:08:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-09-25 14:08:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-09-25 14:08:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-09-25 14:08:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-09-25 14:08:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-09-25 14:08:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-09-25 14:08:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:08:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:08:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:08:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 14:08:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:08:30,476 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 14:08:31,394 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-09-25 14:08:31,698 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:08:31,698 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 14:08:31,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:08:31 BoogieIcfgContainer [2020-09-25 14:08:31,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:08:31,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:08:31,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:08:31,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:08:31,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:08:26" (1/3) ... [2020-09-25 14:08:31,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70c1075c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:08:31, skipping insertion in model container [2020-09-25 14:08:31,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (2/3) ... [2020-09-25 14:08:31,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70c1075c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:08:31, skipping insertion in model container [2020-09-25 14:08:31,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:08:31" (3/3) ... [2020-09-25 14:08:31,722 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2020-09-25 14:08:31,737 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:08:31,748 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:08:31,772 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:08:31,808 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:08:31,808 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:08:31,808 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:08:31,808 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:08:31,808 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:08:31,809 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:08:31,809 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:08:31,809 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:08:31,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2020-09-25 14:08:31,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 14:08:31,874 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:08:31,876 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:08:31,876 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:08:31,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:08:31,885 INFO L82 PathProgramCache]: Analyzing trace with hash -126969232, now seen corresponding path program 1 times [2020-09-25 14:08:31,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:08:31,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1510702896] [2020-09-25 14:08:31,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:08:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:32,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:33,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:33,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:35,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:37,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:37,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 14:08:37,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:08:37,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 14:08:37,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:37,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:37,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:37,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-09-25 14:08:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 14:08:37,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 14:08:38,327 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:08:38,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:08:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:38,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:38,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:38,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 14:08:38,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:38,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 411 [2020-09-25 14:08:38,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:38,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:38,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:38,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:38,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 14:08:38,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:38,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 14:08:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:39,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:39,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:39,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:08:39,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:39,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 14:08:39,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:39,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:39,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:39,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:39,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:08:39,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:39,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 14:08:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:39,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:39,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:39,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:08:39,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:39,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 14:08:39,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:39,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:39,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:39,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:39,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:08:39,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:39,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:08:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:39,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:39,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:39,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:08:39,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:39,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 14:08:39,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:39,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:39,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:39,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:39,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:08:39,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:39,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 14:08:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:39,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:39,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:39,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:39,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:08:39,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:08:39,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-09-25 14:08:39,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:39,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:39,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:39,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:39,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:08:39,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:39,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 14:08:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:39,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:39,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:39,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:39,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:08:39,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:08:39,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-09-25 14:08:39,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:39,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:39,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:39,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:39,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:08:39,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:39,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 14:08:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:39,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:39,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:39,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:08:39,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:39,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 14:08:39,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:39,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:39,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:39,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:39,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 14:08:39,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:39,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:08:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:39,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:39,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:39,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:08:39,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:39,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 14:08:39,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:39,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:39,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:39,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:39,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:39,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:40,133 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 14:08:40,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1510702896] [2020-09-25 14:08:40,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:08:40,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:08:40,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685205134] [2020-09-25 14:08:40,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:08:40,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:08:40,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:08:40,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:08:40,168 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 7 states. [2020-09-25 14:08:40,455 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 14:08:41,367 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 14:08:41,795 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:08:47,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:08:47,997 INFO L93 Difference]: Finished difference Result 2313 states and 2731 transitions. [2020-09-25 14:08:47,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 14:08:47,999 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-09-25 14:08:48,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:08:48,045 INFO L225 Difference]: With dead ends: 2313 [2020-09-25 14:08:48,045 INFO L226 Difference]: Without dead ends: 1310 [2020-09-25 14:08:48,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-09-25 14:08:48,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-09-25 14:08:48,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1058. [2020-09-25 14:08:48,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-09-25 14:08:48,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1178 transitions. [2020-09-25 14:08:48,372 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1178 transitions. Word has length 190 [2020-09-25 14:08:48,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:08:48,376 INFO L479 AbstractCegarLoop]: Abstraction has 1058 states and 1178 transitions. [2020-09-25 14:08:48,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:08:48,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1178 transitions. [2020-09-25 14:08:48,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-25 14:08:48,394 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:08:48,394 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:08:48,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:08:48,395 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:08:48,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:08:48,395 INFO L82 PathProgramCache]: Analyzing trace with hash 358410787, now seen corresponding path program 1 times [2020-09-25 14:08:48,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:08:48,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1019135376] [2020-09-25 14:08:48,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:08:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:48,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:48,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:49,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:50,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:53,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:53,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 14:08:53,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:08:53,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 14:08:53,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:53,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:53,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:53,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-25 14:08:53,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 14:08:53,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:08:54,285 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:08:54,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:08:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:54,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:54,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:54,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 14:08:54,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:54,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-09-25 14:08:54,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:54,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 14:08:54,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:08:54,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 14:08:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:54,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:54,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:54,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:08:54,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:54,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 14:08:54,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:54,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:54,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:08:54,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 14:08:54,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 14:08:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:54,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:54,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:54,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:08:54,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:54,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 14:08:54,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:54,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:08:54,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:08:54,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:08:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:54,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:55,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:55,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:08:55,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:55,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 14:08:55,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:55,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:55,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:55,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:55,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:08:55,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:55,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 14:08:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:55,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:55,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:55,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:55,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:08:55,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:08:55,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-09-25 14:08:55,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:55,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:55,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:55,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:55,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:08:55,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:55,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 14:08:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:55,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:55,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:55,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:55,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:08:55,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:08:55,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-09-25 14:08:55,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:55,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:55,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:55,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:55,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:08:55,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:55,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 14:08:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:55,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:55,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:55,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:08:55,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:55,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 14:08:55,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:55,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:55,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:55,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:55,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 14:08:55,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:55,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:08:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:55,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:55,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:55,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:08:55,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:55,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 14:08:55,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:55,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:55,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:55,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:55,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:55,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 14:08:55,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1019135376] [2020-09-25 14:08:55,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:08:55,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:08:55,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481254381] [2020-09-25 14:08:55,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:08:55,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:08:55,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:08:55,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:08:55,787 INFO L87 Difference]: Start difference. First operand 1058 states and 1178 transitions. Second operand 7 states. [2020-09-25 14:08:56,033 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 14:08:56,902 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 14:08:57,258 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:09:03,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:09:03,205 INFO L93 Difference]: Finished difference Result 1312 states and 1534 transitions. [2020-09-25 14:09:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 14:09:03,206 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2020-09-25 14:09:03,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:09:03,217 INFO L225 Difference]: With dead ends: 1312 [2020-09-25 14:09:03,217 INFO L226 Difference]: Without dead ends: 1309 [2020-09-25 14:09:03,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-09-25 14:09:03,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2020-09-25 14:09:03,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1057. [2020-09-25 14:09:03,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2020-09-25 14:09:03,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1176 transitions. [2020-09-25 14:09:03,293 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1176 transitions. Word has length 191 [2020-09-25 14:09:03,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:09:03,294 INFO L479 AbstractCegarLoop]: Abstraction has 1057 states and 1176 transitions. [2020-09-25 14:09:03,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:09:03,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1176 transitions. [2020-09-25 14:09:03,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 14:09:03,297 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:09:03,297 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:09:03,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:09:03,298 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:09:03,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:09:03,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1774672941, now seen corresponding path program 1 times [2020-09-25 14:09:03,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:09:03,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124987389] [2020-09-25 14:09:03,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:09:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:03,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:03,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:03,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:05,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:08,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:08,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 14:09:08,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:09:08,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-25 14:09:08,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:08,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:09:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 14:09:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-25 14:09:08,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:09,094 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:09:09,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:09:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:09,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:09,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:09,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 14:09:09,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:09,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-09-25 14:09:09,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:09,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:09,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:09:09,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 14:09:09,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:09:09,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 14:09:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:09,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:09,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:09,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:09:09,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:09,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-25 14:09:09,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:09,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:09:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:09,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:09:09,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:09,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 14:09:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:09,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:09,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:09,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 14:09:09,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:09,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 14:09:09,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:09,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:09,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:09:09,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:09,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:09:09,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:09,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:09:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:09,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:09,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:09,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:09:09,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:09,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 14:09:09,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:09,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:09,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:09:09,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:09,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:09:09,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:09,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 14:09:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:09,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:09,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:10,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:10,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:09:10,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:09:10,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-09-25 14:09:10,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:10,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:10,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:09:10,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:10,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:09:10,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:10,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 14:09:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:10,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:10,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:10,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:10,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:09:10,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:09:10,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-09-25 14:09:10,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:10,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:10,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:09:10,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:10,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:09:10,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:10,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 14:09:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:10,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:10,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:10,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:09:10,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:10,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 14:09:10,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:10,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:10,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:09:10,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:10,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 14:09:10,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:10,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:09:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:09:10,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:09:10,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:09:10,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:09:10,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:09:10,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 14:09:10,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:09:10,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:09:10,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:09:10,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:09:10,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:09:10,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:09:10,506 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 14:09:10,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124987389] [2020-09-25 14:09:10,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:09:10,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:09:10,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576748360] [2020-09-25 14:09:10,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:09:10,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:09:10,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:09:10,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:09:10,510 INFO L87 Difference]: Start difference. First operand 1057 states and 1176 transitions. Second operand 6 states. [2020-09-25 14:09:10,752 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 14:09:11,528 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 14:09:11,922 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189