/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 11:56:18,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 11:56:18,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 11:56:18,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 11:56:18,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 11:56:18,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 11:56:18,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 11:56:18,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 11:56:18,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 11:56:18,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 11:56:18,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 11:56:18,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 11:56:18,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 11:56:18,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 11:56:18,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 11:56:18,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 11:56:18,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 11:56:18,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 11:56:18,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 11:56:18,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 11:56:18,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 11:56:18,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 11:56:18,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 11:56:18,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 11:56:18,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 11:56:18,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 11:56:18,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 11:56:18,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 11:56:18,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 11:56:18,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 11:56:18,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 11:56:18,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 11:56:18,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 11:56:18,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 11:56:18,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 11:56:18,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 11:56:18,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 11:56:18,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 11:56:18,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 11:56:18,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 11:56:18,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 11:56:18,195 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 [2020-10-14 11:56:18,226 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 11:56:18,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 11:56:18,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 11:56:18,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 11:56:18,228 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 11:56:18,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 11:56:18,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 11:56:18,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 11:56:18,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 11:56:18,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 11:56:18,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 11:56:18,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 11:56:18,229 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 11:56:18,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 11:56:18,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 11:56:18,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 11:56:18,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 11:56:18,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 11:56:18,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 11:56:18,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 11:56:18,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 11:56:18,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 11:56:18,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 11:56:18,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 11:56:18,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 11:56:18,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 11:56:18,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 11:56:18,232 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 11:56:18,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 11:56:18,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 11:56:18,565 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 11:56:18,566 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 11:56:18,568 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 11:56:18,569 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2020-10-14 11:56:18,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6d86bc6e5/5a88a6dd084447b598455d6aeea6f2b7/FLAGa98d0ce2d [2020-10-14 11:56:19,382 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 11:56:19,382 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2020-10-14 11:56:19,414 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6d86bc6e5/5a88a6dd084447b598455d6aeea6f2b7/FLAGa98d0ce2d [2020-10-14 11:56:19,475 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6d86bc6e5/5a88a6dd084447b598455d6aeea6f2b7 [2020-10-14 11:56:19,483 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 11:56:19,485 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 11:56:19,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 11:56:19,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 11:56:19,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 11:56:19,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:56:19" (1/1) ... [2020-10-14 11:56:19,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db01eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:19, skipping insertion in model container [2020-10-14 11:56:19,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:56:19" (1/1) ... [2020-10-14 11:56:19,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 11:56:19,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 11:56:20,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 11:56:20,837 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 11:56:21,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 11:56:21,203 INFO L208 MainTranslator]: Completed translation [2020-10-14 11:56:21,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21 WrapperNode [2020-10-14 11:56:21,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 11:56:21,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 11:56:21,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 11:56:21,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 11:56:21,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (1/1) ... [2020-10-14 11:56:21,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (1/1) ... [2020-10-14 11:56:21,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (1/1) ... [2020-10-14 11:56:21,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (1/1) ... [2020-10-14 11:56:21,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (1/1) ... [2020-10-14 11:56:21,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (1/1) ... [2020-10-14 11:56:21,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (1/1) ... [2020-10-14 11:56:21,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 11:56:21,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 11:56:21,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 11:56:21,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 11:56:21,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 11:56:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 11:56:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 11:56:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2020-10-14 11:56:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 11:56:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-14 11:56:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 11:56:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 11:56:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 11:56:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 11:56:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-14 11:56:21,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-14 11:56:21,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_modify_write_reg [2020-10-14 11:56:21,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_save_reg_conf [2020-10-14 11:56:21,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_restore_reg_conf [2020-10-14 11:56:21,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom [2020-10-14 11:56:21,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom [2020-10-14 11:56:21,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom_val [2020-10-14 11:56:21,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom_val [2020-10-14 11:56:21,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf [2020-10-14 11:56:21,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf_mp [2020-10-14 11:56:21,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_gbe_mac_addr [2020-10-14 11:56:21,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_gbe_mac_addr [2020-10-14 11:56:21,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_read [2020-10-14 11:56:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_write [2020-10-14 11:56:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pch_mac [2020-10-14 11:56:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pch_mac [2020-10-14 11:56:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_probe [2020-10-14 11:56:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_remove [2020-10-14 11:56:21,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_suspend [2020-10-14 11:56:21,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_resume [2020-10-14 11:56:21,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_init [2020-10-14 11:56:21,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_exit [2020-10-14 11:56:21,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 11:56:21,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-14 11:56:21,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-14 11:56:21,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-14 11:56:21,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-14 11:56:21,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-14 11:56:21,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2020-10-14 11:56:21,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-14 11:56:21,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2020-10-14 11:56:21,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_9 [2020-10-14 11:56:21,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-10-14 11:56:21,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-14 11:56:21,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 11:56:21,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 11:56:21,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-14 11:56:21,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-14 11:56:21,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-14 11:56:21,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-14 11:56:21,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-14 11:56:21,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-14 11:56:21,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-14 11:56:21,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-14 11:56:21,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-14 11:56:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-14 11:56:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-14 11:56:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-14 11:56:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-14 11:56:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-14 11:56:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-14 11:56:21,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2020-10-14 11:56:21,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pch_phub_mutex [2020-10-14 11:56:21,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pch_phub_mutex [2020-10-14 11:56:21,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pch_phub_mutex [2020-10-14 11:56:21,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2020-10-14 11:56:21,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pch_phub_mutex [2020-10-14 11:56:21,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pch_phub_mutex [2020-10-14 11:56:21,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 11:56:21,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 11:56:21,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-14 11:56:21,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2020-10-14 11:56:21,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-14 11:56:21,546 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-14 11:56:21,546 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-14 11:56:21,546 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-14 11:56:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2020-10-14 11:56:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2020-10-14 11:56:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2020-10-14 11:56:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2020-10-14 11:56:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_probe_2 [2020-10-14 11:56:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_release_2 [2020-10-14 11:56:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-14 11:56:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-14 11:56:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2020-10-14 11:56:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-14 11:56:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 11:56:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-10-14 11:56:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-14 11:56:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-14 11:56:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2020-10-14 11:56:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2020-10-14 11:56:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2020-10-14 11:56:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2020-10-14 11:56:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2020-10-14 11:56:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-10-14 11:56:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-10-14 11:56:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-10-14 11:56:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2020-10-14 11:56:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-14 11:56:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2020-10-14 11:56:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2020-10-14 11:56:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2020-10-14 11:56:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2020-10-14 11:56:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 11:56:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 11:56:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 11:56:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-14 11:56:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-14 11:56:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-14 11:56:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-10-14 11:56:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-14 11:56:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-14 11:56:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 11:56:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-14 11:56:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-14 11:56:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-14 11:56:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2020-10-14 11:56:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-10-14 11:56:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-14 11:56:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2020-10-14 11:56:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2020-10-14 11:56:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_9 [2020-10-14 11:56:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-14 11:56:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-14 11:56:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-14 11:56:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-14 11:56:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-14 11:56:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-14 11:56:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-14 11:56:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-14 11:56:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2020-10-14 11:56:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pch_phub_mutex [2020-10-14 11:56:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 11:56:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2020-10-14 11:56:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2020-10-14 11:56:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2020-10-14 11:56:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2020-10-14 11:56:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2020-10-14 11:56:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2020-10-14 11:56:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2020-10-14 11:56:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2020-10-14 11:56:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2020-10-14 11:56:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-14 11:56:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-14 11:56:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-14 11:56:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-14 11:56:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-14 11:56:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2020-10-14 11:56:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2020-10-14 11:56:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-10-14 11:56:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-10-14 11:56:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-10-14 11:56:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-10-14 11:56:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2020-10-14 11:56:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2020-10-14 11:56:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2020-10-14 11:56:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2020-10-14 11:56:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-14 11:56:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-14 11:56:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 11:56:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 11:56:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 11:56:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 11:56:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-14 11:56:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 11:56:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 11:56:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 11:56:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 11:56:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 11:56:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 11:56:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-14 11:56:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-14 11:56:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-14 11:56:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2020-10-14 11:56:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 11:56:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_modify_write_reg [2020-10-14 11:56:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 11:56:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_save_reg_conf [2020-10-14 11:56:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 11:56:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 11:56:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 11:56:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 11:56:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_restore_reg_conf [2020-10-14 11:56:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom [2020-10-14 11:56:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom [2020-10-14 11:56:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom_val [2020-10-14 11:56:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom_val [2020-10-14 11:56:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf [2020-10-14 11:56:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf_mp [2020-10-14 11:56:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_gbe_mac_addr [2020-10-14 11:56:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_gbe_mac_addr [2020-10-14 11:56:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_read [2020-10-14 11:56:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_write [2020-10-14 11:56:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure show_pch_mac [2020-10-14 11:56:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure store_pch_mac [2020-10-14 11:56:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_probe [2020-10-14 11:56:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_remove [2020-10-14 11:56:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_suspend [2020-10-14 11:56:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_resume [2020-10-14 11:56:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_init [2020-10-14 11:56:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_exit [2020-10-14 11:56:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 11:56:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_release_2 [2020-10-14 11:56:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_probe_2 [2020-10-14 11:56:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 11:56:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 11:56:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 11:56:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-14 11:56:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-14 11:56:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-14 11:56:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-14 11:56:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-14 11:56:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-14 11:56:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-14 11:56:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-14 11:56:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-14 11:56:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-14 11:56:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pch_phub_mutex [2020-10-14 11:56:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pch_phub_mutex [2020-10-14 11:56:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pch_phub_mutex [2020-10-14 11:56:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2020-10-14 11:56:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pch_phub_mutex [2020-10-14 11:56:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 11:56:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 11:56:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 11:56:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 11:56:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 11:56:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 11:56:25,238 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 11:56:25,239 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 11:56:25,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:56:25 BoogieIcfgContainer [2020-10-14 11:56:25,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 11:56:25,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 11:56:25,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 11:56:25,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 11:56:25,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:56:19" (1/3) ... [2020-10-14 11:56:25,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670a4b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:56:25, skipping insertion in model container [2020-10-14 11:56:25,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:21" (2/3) ... [2020-10-14 11:56:25,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670a4b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:56:25, skipping insertion in model container [2020-10-14 11:56:25,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:56:25" (3/3) ... [2020-10-14 11:56:25,265 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2020-10-14 11:56:25,275 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 11:56:25,286 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 11:56:25,302 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 11:56:25,336 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 11:56:25,336 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 11:56:25,337 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 11:56:25,337 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 11:56:25,337 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 11:56:25,337 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 11:56:25,337 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 11:56:25,337 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 11:56:25,391 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states. [2020-10-14 11:56:25,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-14 11:56:25,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:56:25,411 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:56:25,412 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:56:25,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:56:25,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1951538702, now seen corresponding path program 1 times [2020-10-14 11:56:25,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:56:25,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2014805116] [2020-10-14 11:56:25,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:56:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:26,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:26,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:28,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:28,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 11:56:28,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:56:28,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2897 [2020-10-14 11:56:28,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:28,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:28,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:56:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:56:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 11:56:28,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-14 11:56:30,936 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-14 11:56:30,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:56:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:30,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:31,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:31,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:56:31,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:56:31,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-10-14 11:56:31,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:31,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:31,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:56:31,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:56:31,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:56:31,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:56:31,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:56:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:31,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:31,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:31,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:56:31,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:56:31,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 11:56:31,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:31,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:31,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:56:31,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:56:31,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:56:31,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:56:31,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 11:56:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:31,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:31,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:31,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 11:56:31,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:56:31,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 11:56:31,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:31,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:31,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:56:31,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:56:31,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 11:56:31,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:56:31,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:56:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:31,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:31,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:31,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:56:31,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:56:31,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:56:31,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:31,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:31,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:56:31,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:56:31,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:56:31,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:56:31,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:56:31,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2014805116] [2020-10-14 11:56:31,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:56:31,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:56:31,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209403791] [2020-10-14 11:56:31,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:56:31,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:56:31,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:56:31,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:56:31,499 INFO L87 Difference]: Start difference. First operand 854 states. Second operand 5 states. [2020-10-14 11:56:34,136 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-14 11:56:47,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:56:47,237 INFO L93 Difference]: Finished difference Result 1632 states and 2241 transitions. [2020-10-14 11:56:47,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 11:56:47,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-14 11:56:47,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:56:47,265 INFO L225 Difference]: With dead ends: 1632 [2020-10-14 11:56:47,265 INFO L226 Difference]: Without dead ends: 861 [2020-10-14 11:56:47,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:56:47,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-10-14 11:56:47,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 765. [2020-10-14 11:56:47,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2020-10-14 11:56:47,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1011 transitions. [2020-10-14 11:56:47,611 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1011 transitions. Word has length 29 [2020-10-14 11:56:47,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:56:47,612 INFO L479 AbstractCegarLoop]: Abstraction has 765 states and 1011 transitions. [2020-10-14 11:56:47,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:56:47,612 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1011 transitions. [2020-10-14 11:56:47,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-14 11:56:47,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:56:47,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:56:47,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 11:56:47,616 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:56:47,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:56:47,617 INFO L82 PathProgramCache]: Analyzing trace with hash 367601446, now seen corresponding path program 1 times [2020-10-14 11:56:47,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:56:47,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [812127408] [2020-10-14 11:56:47,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:56:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:47,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:47,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:49,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:49,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 11:56:49,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:56:49,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1933 [2020-10-14 11:56:49,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:49,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:49,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:56:49,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:56:49,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 11:56:49,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:56:51,151 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-14 11:56:51,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:56:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:51,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:51,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:51,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:56:51,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:56:51,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-14 11:56:51,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:51,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:51,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:56:51,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:56:51,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:56:51,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:56:51,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:56:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:51,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:51,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:51,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:56:51,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:56:51,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 11:56:51,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:51,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:51,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:56:51,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:56:51,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:56:51,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:56:51,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 11:56:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:51,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:51,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:51,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 11:56:51,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:56:51,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 11:56:51,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:51,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:51,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:56:51,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:56:51,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 11:56:51,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:56:51,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:56:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:56:51,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:56:51,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:56:51,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:56:51,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:56:51,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:56:51,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:56:51,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:56:51,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:56:51,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:56:51,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:56:51,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:56:51,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:56:51,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [812127408] [2020-10-14 11:56:51,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:56:51,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:56:51,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674513880] [2020-10-14 11:56:51,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:56:51,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:56:51,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:56:51,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:56:51,519 INFO L87 Difference]: Start difference. First operand 765 states and 1011 transitions. Second operand 5 states. [2020-10-14 11:56:54,414 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-14 11:57:05,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:57:05,968 INFO L93 Difference]: Finished difference Result 863 states and 1158 transitions. [2020-10-14 11:57:05,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 11:57:05,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-14 11:57:05,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:57:05,985 INFO L225 Difference]: With dead ends: 863 [2020-10-14 11:57:05,985 INFO L226 Difference]: Without dead ends: 860 [2020-10-14 11:57:05,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:57:05,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2020-10-14 11:57:06,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 764. [2020-10-14 11:57:06,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2020-10-14 11:57:06,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1009 transitions. [2020-10-14 11:57:06,361 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1009 transitions. Word has length 30 [2020-10-14 11:57:06,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:57:06,361 INFO L479 AbstractCegarLoop]: Abstraction has 764 states and 1009 transitions. [2020-10-14 11:57:06,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:57:06,362 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1009 transitions. [2020-10-14 11:57:06,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-14 11:57:06,369 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:57:06,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:57:06,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 11:57:06,369 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:57:06,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:57:06,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1489808367, now seen corresponding path program 1 times [2020-10-14 11:57:06,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:57:06,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [627925628] [2020-10-14 11:57:06,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:57:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:06,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:06,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:08,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:08,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-14 11:57:08,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:57:08,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1779 [2020-10-14 11:57:08,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:08,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:57:08,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:57:08,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 11:57:08,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:09,675 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-14 11:57:09,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:57:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:09,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:09,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:09,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:57:09,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:09,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-14 11:57:09,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:09,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:09,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:09,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:57:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:09,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:09,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:09,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:57:09,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:09,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 11:57:09,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:09,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:09,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:57:09,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:09,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:57:09,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:09,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 11:57:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:09,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:09,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:09,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 11:57:09,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:09,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 11:57:09,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:09,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:09,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:57:09,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:09,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 11:57:09,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:09,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:57:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:09,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:09,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:09,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:57:09,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:09,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:57:09,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:09,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:09,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:09,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:09,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:09,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:57:09,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [627925628] [2020-10-14 11:57:09,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:57:09,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:57:09,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853464412] [2020-10-14 11:57:09,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:57:09,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:57:09,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:57:09,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:57:09,959 INFO L87 Difference]: Start difference. First operand 764 states and 1009 transitions. Second operand 5 states. [2020-10-14 11:57:12,980 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-14 11:57:35,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:57:35,970 INFO L93 Difference]: Finished difference Result 2324 states and 3116 transitions. [2020-10-14 11:57:35,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 11:57:35,971 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-14 11:57:35,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:57:35,984 INFO L225 Difference]: With dead ends: 2324 [2020-10-14 11:57:35,984 INFO L226 Difference]: Without dead ends: 1559 [2020-10-14 11:57:35,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:57:35,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2020-10-14 11:57:36,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 1477. [2020-10-14 11:57:36,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1477 states. [2020-10-14 11:57:36,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 1969 transitions. [2020-10-14 11:57:36,382 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 1969 transitions. Word has length 31 [2020-10-14 11:57:36,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:57:36,383 INFO L479 AbstractCegarLoop]: Abstraction has 1477 states and 1969 transitions. [2020-10-14 11:57:36,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:57:36,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1969 transitions. [2020-10-14 11:57:36,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-14 11:57:36,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:57:36,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:57:36,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 11:57:36,387 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:57:36,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:57:36,388 INFO L82 PathProgramCache]: Analyzing trace with hash 720470094, now seen corresponding path program 1 times [2020-10-14 11:57:36,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:57:36,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183199362] [2020-10-14 11:57:36,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:57:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:36,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:36,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:36,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:40,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:41,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:41,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 11:57:41,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 11:57:41,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5189 [2020-10-14 11:57:41,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:41,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:41,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:57:41,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 11:57:41,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 11:57:41,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:43,412 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-14 11:57:43,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:57:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:43,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:43,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:43,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:57:43,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:43,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-10-14 11:57:43,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:43,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:43,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:43,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:43,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:43,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:43,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:57:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:43,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:43,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:43,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:57:43,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:43,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:57:43,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:43,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:43,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:43,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:43,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:43,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:57:43,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 11:57:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:43,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:43,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:43,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:57:43,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:43,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 11:57:43,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:43,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:43,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 11:57:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:43,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:43,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:57:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:43,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:43,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:43,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:57:43,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:43,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:57:43,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:43,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:43,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:43,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:43,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:43,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:43,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 11:57:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:43,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:43,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:43,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 11:57:43,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:43,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 11:57:43,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:43,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:43,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:43,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 11:57:43,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:43,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:57:43,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:57:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:43,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:43,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:43,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:57:43,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:43,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:57:43,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:43,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:43,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:43,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:43,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:43,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:43,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:57:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:43,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:43,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:43,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 11:57:43,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:43,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 11:57:43,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:43,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:43,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:43,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:57:43,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:43,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:57:43,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 11:57:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:57:43,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:57:43,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:57:43,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:57:43,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:57:43,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:57:43,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:57:43,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:57:43,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:57:43,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 11:57:43,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:57:43,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:57:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:57:43,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183199362] [2020-10-14 11:57:43,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:57:43,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 11:57:43,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734549530] [2020-10-14 11:57:43,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 11:57:43,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:57:43,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 11:57:43,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:57:43,968 INFO L87 Difference]: Start difference. First operand 1477 states and 1969 transitions. Second operand 7 states. [2020-10-14 11:57:49,158 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-14 11:58:13,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:58:13,065 INFO L93 Difference]: Finished difference Result 4449 states and 6022 transitions. [2020-10-14 11:58:13,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 11:58:13,066 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2020-10-14 11:58:13,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:58:13,087 INFO L225 Difference]: With dead ends: 4449 [2020-10-14 11:58:13,087 INFO L226 Difference]: Without dead ends: 2983 [2020-10-14 11:58:13,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-14 11:58:13,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2020-10-14 11:58:13,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2695. [2020-10-14 11:58:13,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2695 states. [2020-10-14 11:58:13,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 2695 states and 3595 transitions. [2020-10-14 11:58:13,791 INFO L78 Accepts]: Start accepts. Automaton has 2695 states and 3595 transitions. Word has length 65 [2020-10-14 11:58:13,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:58:13,792 INFO L479 AbstractCegarLoop]: Abstraction has 2695 states and 3595 transitions. [2020-10-14 11:58:13,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 11:58:13,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3595 transitions. [2020-10-14 11:58:13,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-14 11:58:13,797 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:58:13,797 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 11:58:13,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 11:58:13,798 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:58:13,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:58:13,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1740235037, now seen corresponding path program 1 times [2020-10-14 11:58:13,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:58:13,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588437574] [2020-10-14 11:58:13,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:58:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:13,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:14,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:16,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:18,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:18,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 11:58:18,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 11:58:18,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5114 [2020-10-14 11:58:18,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:18,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-14 11:58:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 11:58:18,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:20,530 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-14 11:58:20,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:58:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:20,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:20,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:20,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:20,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:20,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-14 11:58:20,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:20,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:20,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:20,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:20,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:20,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:20,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:58:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:20,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:20,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:20,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:20,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:20,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:58:20,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:20,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:20,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:20,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:20,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:20,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:20,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 11:58:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:20,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:20,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:20,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:58:20,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:20,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:58:20,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:20,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:20,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:20,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:58:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:20,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:20,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:20,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:20,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:20,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:58:20,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:20,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:20,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:20,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:20,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:20,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:20,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 11:58:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:20,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:20,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:20,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:58:20,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:20,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 11:58:20,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:20,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 11:58:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:20,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:20,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:58:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:20,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:20,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:20,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:58:20,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:20,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:58:20,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:20,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:20,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:20,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:20,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 11:58:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:20,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:20,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:20,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 11:58:20,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:20,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 11:58:20,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:20,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 11:58:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:20,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:20,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:58:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:20,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:20,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:20,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:20,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:20,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:58:20,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:20,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:20,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:20,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:20,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:20,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:20,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:58:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:20,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:20,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:20,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 11:58:20,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:20,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:58:20,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:20,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:20,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:20,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:20,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:20,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:20,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 11:58:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:20,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:20,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:20,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:20,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:20,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:58:20,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:20,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:20,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:20,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 11:58:20,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:20,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:20,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:58:20,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588437574] [2020-10-14 11:58:20,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:58:20,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 11:58:20,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967135516] [2020-10-14 11:58:20,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 11:58:20,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:58:20,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 11:58:20,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:58:20,938 INFO L87 Difference]: Start difference. First operand 2695 states and 3595 transitions. Second operand 7 states. [2020-10-14 11:58:23,410 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-14 11:58:48,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:58:48,531 INFO L93 Difference]: Finished difference Result 7016 states and 9479 transitions. [2020-10-14 11:58:48,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 11:58:48,532 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2020-10-14 11:58:48,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:58:48,560 INFO L225 Difference]: With dead ends: 7016 [2020-10-14 11:58:48,560 INFO L226 Difference]: Without dead ends: 4332 [2020-10-14 11:58:48,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-14 11:58:48,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4332 states. [2020-10-14 11:58:50,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4332 to 3913. [2020-10-14 11:58:50,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3913 states. [2020-10-14 11:58:50,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 3913 states and 5223 transitions. [2020-10-14 11:58:50,102 INFO L78 Accepts]: Start accepts. Automaton has 3913 states and 5223 transitions. Word has length 84 [2020-10-14 11:58:50,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:58:50,103 INFO L479 AbstractCegarLoop]: Abstraction has 3913 states and 5223 transitions. [2020-10-14 11:58:50,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 11:58:50,103 INFO L276 IsEmpty]: Start isEmpty. Operand 3913 states and 5223 transitions. [2020-10-14 11:58:50,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-14 11:58:50,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:58:50,115 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:58:50,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 11:58:50,116 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:58:50,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:58:50,116 INFO L82 PathProgramCache]: Analyzing trace with hash 204244864, now seen corresponding path program 1 times [2020-10-14 11:58:50,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:58:50,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759953761] [2020-10-14 11:58:50,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:58:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:50,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:50,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:53,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:53,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 11:58:53,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:58:53,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3516 [2020-10-14 11:58:53,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:53,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 11:58:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 11:58:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 11:58:53,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:55,585 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-14 11:58:55,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:58:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:55,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:55,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:55,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:55,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:55,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-14 11:58:55,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:55,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:55,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:58:55,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:55,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:58:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:55,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:55,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:55,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:55,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:55,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:58:55,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:55,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:55,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:55,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:55,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 11:58:55,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:55,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 11:58:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:55,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:55,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:55,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:58:55,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:55,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 11:58:55,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:55,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:55,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:55,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:55,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 11:58:55,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:55,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:58:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:55,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:55,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:55,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:55,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:55,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:58:55,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:55,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:55,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:55,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:55,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:55,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:55,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 11:58:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:56,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:56,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:56,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:56,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:56,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:58:56,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:56,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:56,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:56,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:56,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 11:58:56,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:56,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 11:58:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:56,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:56,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:56,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:58:56,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:56,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 11:58:56,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:56,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:56,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:56,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:56,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 11:58:56,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:56,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:58:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:56,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:56,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:56,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:58:56,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:56,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:58:56,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:56,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:56,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:56,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:56,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:56,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 11:58:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:56,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:56,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:56,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 11:58:56,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:56,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 11:58:56,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:56,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:56,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:58:56,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:56,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 11:58:56,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:56,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:58:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:56,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:56,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:56,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:56,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:56,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:58:56,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:56,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:56,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:56,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:56,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:56,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:56,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:58:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:56,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:56,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:56,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 11:58:56,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:56,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 11:58:56,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:56,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:56,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:58:56,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:56,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:58:56,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 11:58:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:58:56,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:58:56,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:58:56,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:58:56,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:58:56,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:58:56,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:58:56,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:58:56,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:58:56,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 11:58:56,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:58:56,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:58:56,159 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-14 11:58:56,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759953761] [2020-10-14 11:58:56,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:58:56,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 11:58:56,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176276576] [2020-10-14 11:58:56,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 11:58:56,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:58:56,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 11:58:56,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 11:58:56,164 INFO L87 Difference]: Start difference. First operand 3913 states and 5223 transitions. Second operand 9 states. [2020-10-14 11:58:58,657 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-14 11:59:01,588 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 581 [2020-10-14 11:59:15,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:59:15,650 INFO L93 Difference]: Finished difference Result 8219 states and 11087 transitions. [2020-10-14 11:59:15,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 11:59:15,651 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 100 [2020-10-14 11:59:15,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:59:15,675 INFO L225 Difference]: With dead ends: 8219 [2020-10-14 11:59:15,675 INFO L226 Difference]: Without dead ends: 4317 [2020-10-14 11:59:15,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-14 11:59:15,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4317 states. [2020-10-14 11:59:16,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4317 to 3913. [2020-10-14 11:59:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3913 states. [2020-10-14 11:59:16,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 3913 states and 5221 transitions. [2020-10-14 11:59:16,738 INFO L78 Accepts]: Start accepts. Automaton has 3913 states and 5221 transitions. Word has length 100 [2020-10-14 11:59:16,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:59:16,739 INFO L479 AbstractCegarLoop]: Abstraction has 3913 states and 5221 transitions. [2020-10-14 11:59:16,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 11:59:16,739 INFO L276 IsEmpty]: Start isEmpty. Operand 3913 states and 5221 transitions. [2020-10-14 11:59:16,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-14 11:59:16,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:59:16,745 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:59:16,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 11:59:16,745 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:59:16,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:59:16,746 INFO L82 PathProgramCache]: Analyzing trace with hash -664225647, now seen corresponding path program 1 times [2020-10-14 11:59:16,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:59:16,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [31839272] [2020-10-14 11:59:16,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:59:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:16,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:18,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:21,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:21,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 11:59:21,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:59:21,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-14 11:59:21,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:21,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:21,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 11:59:21,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 11:59:21,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 11:59:21,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:23,326 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-14 11:59:23,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:59:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:23,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:23,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:23,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:23,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:23,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 356 [2020-10-14 11:59:23,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:23,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:23,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:23,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:23,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:59:23,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:23,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:59:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:23,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:23,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:23,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:23,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:23,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:59:23,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:23,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 11:59:23,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:23,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 11:59:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:23,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:23,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:23,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:59:23,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:23,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 11:59:23,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:23,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:23,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:23,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:23,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 11:59:23,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:23,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:59:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:23,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:23,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:23,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:23,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:23,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:59:23,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:23,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:23,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:23,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:23,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 11:59:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:23,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:23,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:23,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:23,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:23,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:59:23,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:23,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:23,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:23,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:23,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 11:59:23,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:23,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 11:59:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:23,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:23,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:23,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:59:23,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:23,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 11:59:23,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:23,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:23,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:23,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:23,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 11:59:23,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:23,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:59:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:23,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:23,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:23,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:59:23,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:23,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:59:23,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:23,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:23,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:23,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:23,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:23,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:23,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 11:59:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:23,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:23,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:23,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 11:59:23,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:23,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 11:59:23,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:23,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:23,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:59:23,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:23,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 11:59:23,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:23,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:59:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:23,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:23,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:23,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:23,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:23,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:59:23,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:23,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:23,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:23,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:59:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:23,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:23,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:23,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 11:59:23,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:23,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:59:23,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:23,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:23,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:23,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:23,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:23,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:23,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 11:59:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:23,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:23,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:23,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:23,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:23,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:59:23,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:23,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:23,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:23,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 11:59:23,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:23,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:24,030 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-14 11:59:24,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [31839272] [2020-10-14 11:59:24,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:59:24,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 11:59:24,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730170984] [2020-10-14 11:59:24,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 11:59:24,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:59:24,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 11:59:24,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 11:59:24,034 INFO L87 Difference]: Start difference. First operand 3913 states and 5221 transitions. Second operand 9 states. [2020-10-14 11:59:26,687 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-14 11:59:29,558 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 581 [2020-10-14 11:59:39,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:59:39,928 INFO L93 Difference]: Finished difference Result 8205 states and 11061 transitions. [2020-10-14 11:59:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 11:59:39,929 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 101 [2020-10-14 11:59:39,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:59:39,954 INFO L225 Difference]: With dead ends: 8205 [2020-10-14 11:59:39,954 INFO L226 Difference]: Without dead ends: 4303 [2020-10-14 11:59:39,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-14 11:59:39,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4303 states. [2020-10-14 11:59:40,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4303 to 3899. [2020-10-14 11:59:40,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3899 states. [2020-10-14 11:59:40,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3899 states to 3899 states and 5195 transitions. [2020-10-14 11:59:40,895 INFO L78 Accepts]: Start accepts. Automaton has 3899 states and 5195 transitions. Word has length 101 [2020-10-14 11:59:40,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:59:40,895 INFO L479 AbstractCegarLoop]: Abstraction has 3899 states and 5195 transitions. [2020-10-14 11:59:40,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 11:59:40,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3899 states and 5195 transitions. [2020-10-14 11:59:40,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-14 11:59:40,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:59:40,902 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 11:59:40,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 11:59:40,903 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:59:40,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:59:40,903 INFO L82 PathProgramCache]: Analyzing trace with hash -604271589, now seen corresponding path program 1 times [2020-10-14 11:59:40,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:59:40,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1161075036] [2020-10-14 11:59:40,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:59:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:41,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:43,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:43,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 11:59:43,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:43,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2604 [2020-10-14 11:59:43,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:43,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:43,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 11:59:43,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-14 11:59:43,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 11:59:43,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:45,136 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-14 11:59:45,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:59:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:45,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:45,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:45,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:45,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:45,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-14 11:59:45,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:45,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:45,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:45,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:45,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:45,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:45,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:59:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:45,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:45,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:45,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:45,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:45,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:59:45,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:45,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:45,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:45,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:45,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:45,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:45,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 11:59:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:45,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:45,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:45,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:59:45,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:45,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:59:45,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:45,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:45,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:45,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:59:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:45,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:45,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:45,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:45,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:45,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:59:45,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:45,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:45,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:45,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:45,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 11:59:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:45,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:45,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:45,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:45,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:45,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:59:45,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:45,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:45,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:45,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:45,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:45,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:45,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 11:59:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:45,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:45,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:45,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:59:45,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:45,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 11:59:45,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:45,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:45,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:45,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:45,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:45,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:45,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:59:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:45,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:45,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:45,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:59:45,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:45,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:59:45,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:45,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:45,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:45,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:45,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:45,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:45,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 11:59:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:45,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:45,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:45,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 11:59:45,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:45,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 11:59:45,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:45,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:45,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 11:59:45,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 11:59:45,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:45,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:59:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:45,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:45,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:45,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:59:45,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:45,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 11:59:45,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:45,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:45,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:45,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:45,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:45,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:59:45,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:59:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:45,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:45,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:45,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 11:59:45,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:45,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 11:59:45,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:45,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:45,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 11:59:45,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:45,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 11:59:45,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:45,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 11:59:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:45,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:45,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:45,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:59:45,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:45,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 11:59:45,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:45,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:45,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:45,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 11:59:45,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:45,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:45,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:59:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:59:45,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:59:45,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:59:45,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:59:45,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:59:45,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:59:45,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:59:45,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:59:45,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:59:45,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:59:45,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:59:45,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:59:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-14 11:59:45,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1161075036] [2020-10-14 11:59:45,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:59:45,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 11:59:45,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848359013] [2020-10-14 11:59:45,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 11:59:45,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:59:45,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 11:59:45,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-14 11:59:45,747 INFO L87 Difference]: Start difference. First operand 3899 states and 5195 transitions. Second operand 11 states.