/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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 17:15:22,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 17:15:22,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 17:15:22,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 17:15:22,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 17:15:22,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 17:15:22,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 17:15:22,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 17:15:22,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 17:15:22,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 17:15:22,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 17:15:22,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 17:15:22,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 17:15:22,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 17:15:22,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 17:15:22,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 17:15:22,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 17:15:22,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 17:15:22,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 17:15:22,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 17:15:22,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 17:15:22,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 17:15:22,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 17:15:22,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 17:15:22,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 17:15:22,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 17:15:22,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 17:15:22,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 17:15:22,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 17:15:22,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 17:15:22,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 17:15:22,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 17:15:22,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 17:15:22,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 17:15:22,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 17:15:22,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 17:15:22,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 17:15:22,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 17:15:22,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 17:15:22,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 17:15:22,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 17:15:22,416 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 17:15:22,452 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 17:15:22,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 17:15:22,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 17:15:22,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 17:15:22,454 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 17:15:22,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 17:15:22,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 17:15:22,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 17:15:22,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 17:15:22,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 17:15:22,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 17:15:22,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 17:15:22,457 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 17:15:22,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 17:15:22,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 17:15:22,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 17:15:22,458 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 17:15:22,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 17:15:22,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 17:15:22,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 17:15:22,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 17:15:22,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 17:15:22,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 17:15:22,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 17:15:22,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 17:15:22,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 17:15:22,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 17:15:22,460 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 17:15:22,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 17:15:22,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 17:15:22,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 17:15:22,752 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 17:15:22,752 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 17:15:22,753 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-10-14 17:15:22,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/77d861518/3738eba3205e4495b5dc548b957662f1/FLAGa235a4149 [2020-10-14 17:15:23,583 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 17:15:23,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-10-14 17:15:23,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/77d861518/3738eba3205e4495b5dc548b957662f1/FLAGa235a4149 [2020-10-14 17:15:24,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/77d861518/3738eba3205e4495b5dc548b957662f1 [2020-10-14 17:15:24,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 17:15:24,143 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 17:15:24,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 17:15:24,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 17:15:24,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 17:15:24,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:15:24" (1/1) ... [2020-10-14 17:15:24,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@304deeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:24, skipping insertion in model container [2020-10-14 17:15:24,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:15:24" (1/1) ... [2020-10-14 17:15:24,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 17:15:24,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 17:15:26,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 17:15:26,279 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 17:15:26,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 17:15:27,056 INFO L208 MainTranslator]: Completed translation [2020-10-14 17:15:27,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:27 WrapperNode [2020-10-14 17:15:27,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 17:15:27,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 17:15:27,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 17:15:27,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 17:15:27,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:27" (1/1) ... [2020-10-14 17:15:27,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:27" (1/1) ... [2020-10-14 17:15:27,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:27" (1/1) ... [2020-10-14 17:15:27,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:27" (1/1) ... [2020-10-14 17:15:27,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:27" (1/1) ... [2020-10-14 17:15:27,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:27" (1/1) ... [2020-10-14 17:15:27,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:27" (1/1) ... [2020-10-14 17:15:27,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 17:15:27,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 17:15:27,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 17:15:27,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 17:15:27,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:27" (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 17:15:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 17:15:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 17:15:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 17:15:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-14 17:15:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2020-10-14 17:15:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2020-10-14 17:15:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 17:15:27,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 17:15:27,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-14 17:15:27,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-14 17:15:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-14 17:15:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-14 17:15:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-14 17:15:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-14 17:15:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 17:15:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-14 17:15:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 17:15:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2020-10-14 17:15:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-14 17:15:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-14 17:15:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-14 17:15:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-14 17:15:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2020-10-14 17:15:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2020-10-14 17:15:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ss_max_streams [2020-10-14 17:15:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-14 17:15:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-14 17:15:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-14 17:15:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2020-10-14 17:15:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-14 17:15:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-14 17:15:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2020-10-14 17:15:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_bus [2020-10-14 17:15:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2020-10-14 17:15:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bidi_cmnd [2020-10-14 17:15:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_in [2020-10-14 17:15:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_out [2020-10-14 17:15:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2020-10-14 17:15:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host [2020-10-14 17:15:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_init_shared_tag_map [2020-10-14 17:15:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_is_interface [2020-10-14 17:15:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_uas_alt_setting [2020-10-14 17:15:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_endpoints [2020-10-14 17:15:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_use_uas_driver [2020-10-14 17:15:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_do_work [2020-10-14 17:15:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_add_work [2020-10-14 17:15:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_zap_pending [2020-10-14 17:15:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_sense [2020-10-14 17:15:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_log_cmd_state [2020-10-14 17:15:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_unsubmitted_urbs [2020-10-14 17:15:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_try_complete [2020-10-14 17:15:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_xfer_data [2020-10-14 17:15:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_stat_cmplt [2020-10-14 17:15:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_data_cmplt [2020-10-14 17:15:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmd_cmplt [2020-10-14 17:15:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_data_urb [2020-10-14 17:15:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_sense_urb [2020-10-14 17:15:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_cmd_urb [2020-10-14 17:15:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_sense_urb [2020-10-14 17:15:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_urbs [2020-10-14 17:15:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand_lck [2020-10-14 17:15:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand [2020-10-14 17:15:27,431 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_abort_handler [2020-10-14 17:15:27,431 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_bus_reset_handler [2020-10-14 17:15:27,431 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_alloc [2020-10-14 17:15:27,431 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_configure [2020-10-14 17:15:27,431 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_switch_interface [2020-10-14 17:15:27,431 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_configure_endpoints [2020-10-14 17:15:27,432 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_streams [2020-10-14 17:15:27,432 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_probe [2020-10-14 17:15:27,432 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmnd_list_empty [2020-10-14 17:15:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_wait_for_pending_cmnds [2020-10-14 17:15:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_pre_reset [2020-10-14 17:15:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_post_reset [2020-10-14 17:15:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_suspend [2020-10-14 17:15:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_resume [2020-10-14 17:15:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_reset_resume [2020-10-14 17:15:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_disconnect [2020-10-14 17:15:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_shutdown [2020-10-14 17:15:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_init [2020-10-14 17:15:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_exit [2020-10-14 17:15:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2020-10-14 17:15:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2020-10-14 17:15:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-14 17:15:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2020-10-14 17:15:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2020-10-14 17:15:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2020-10-14 17:15:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_3 [2020-10-14 17:15:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2020-10-14 17:15:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 17:15:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 17:15:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2020-10-14 17:15:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2020-10-14 17:15:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2020-10-14 17:15:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2020-10-14 17:15:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2020-10-14 17:15:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 17:15:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host_with_dma_29 [2020-10-14 17:15:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_30 [2020-10-14 17:15:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_31 [2020-10-14 17:15:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_32 [2020-10-14 17:15:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2020-10-14 17:15:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_34 [2020-10-14 17:15:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_35 [2020-10-14 17:15:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_36 [2020-10-14 17:15:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_alloc_37 [2020-10-14 17:15:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_38 [2020-10-14 17:15:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2020-10-14 17:15:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_40 [2020-10-14 17:15:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_41 [2020-10-14 17:15:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_42 [2020-10-14 17:15:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 17:15:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-14 17:15:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-14 17:15:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-14 17:15:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-14 17:15:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-14 17:15:27,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-14 17:15:27,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-14 17:15:27,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-14 17:15:27,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-14 17:15:27,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-14 17:15:27,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-14 17:15:27,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-14 17:15:27,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-14 17:15:27,442 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-14 17:15:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_tags [2020-10-14 17:15:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2020-10-14 17:15:27,447 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_update_dma_alignment [2020-10-14 17:15:27,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2020-10-14 17:15:27,448 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-14 17:15:27,448 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-14 17:15:27,448 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-14 17:15:27,448 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2020-10-14 17:15:27,448 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2020-10-14 17:15:27,449 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2020-10-14 17:15:27,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 17:15:27,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 17:15:27,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-14 17:15:27,450 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2020-10-14 17:15:27,450 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-14 17:15:27,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 17:15:27,450 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2020-10-14 17:15:27,450 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-14 17:15:27,451 INFO L138 BoogieDeclarations]: Found implementation of procedure scmd_printk [2020-10-14 17:15:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2020-10-14 17:15:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2020-10-14 17:15:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2020-10-14 17:15:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_get_serial [2020-10-14 17:15:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2020-10-14 17:15:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2020-10-14 17:15:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_print_command [2020-10-14 17:15:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2020-10-14 17:15:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_report_bus_reset [2020-10-14 17:15:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_scan_host [2020-10-14 17:15:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2020-10-14 17:15:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2020-10-14 17:15:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_streams [2020-10-14 17:15:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2020-10-14 17:15:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-14 17:15:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_streams [2020-10-14 17:15:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-14 17:15:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2020-10-14 17:15:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2020-10-14 17:15:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-14 17:15:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_lock_device_for_reset [2020-10-14 17:15:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-14 17:15:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-10-14 17:15:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-14 17:15:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_stor_adjust_quirks [2020-10-14 17:15:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2020-10-14 17:15:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2020-10-14 17:15:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wait_anchor_empty_timeout [2020-10-14 17:15:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-14 17:15:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 17:15:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 17:15:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-14 17:15:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 17:15:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 17:15:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 17:15:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-14 17:15:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2020-10-14 17:15:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 17:15:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2020-10-14 17:15:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-14 17:15:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-14 17:15:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 17:15:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 17:15:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 17:15:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 17:15:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 17:15:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 17:15:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 17:15:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 17:15:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 17:15:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 17:15:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-14 17:15:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-14 17:15:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-14 17:15:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 17:15:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-14 17:15:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-14 17:15:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-14 17:15:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-14 17:15:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 17:15:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-14 17:15:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 17:15:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-14 17:15:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2020-10-14 17:15:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-14 17:15:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-14 17:15:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 17:15:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2020-10-14 17:15:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 17:15:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-14 17:15:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 17:15:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-14 17:15:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-14 17:15:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2020-10-14 17:15:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2020-10-14 17:15:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2020-10-14 17:15:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2020-10-14 17:15:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2020-10-14 17:15:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2020-10-14 17:15:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2020-10-14 17:15:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2020-10-14 17:15:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_38 [2020-10-14 17:15:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2020-10-14 17:15:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2020-10-14 17:15:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-14 17:15:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-14 17:15:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 17:15:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-14 17:15:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2020-10-14 17:15:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2020-10-14 17:15:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-14 17:15:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2020-10-14 17:15:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2020-10-14 17:15:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2020-10-14 17:15:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_3 [2020-10-14 17:15:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2020-10-14 17:15:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-14 17:15:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 17:15:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-14 17:15:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2020-10-14 17:15:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-14 17:15:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-14 17:15:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-14 17:15:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2020-10-14 17:15:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_update_dma_alignment [2020-10-14 17:15:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_tags [2020-10-14 17:15:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2020-10-14 17:15:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ss_max_streams [2020-10-14 17:15:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-14 17:15:27,477 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-14 17:15:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-14 17:15:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2020-10-14 17:15:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-10-14 17:15:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_streams [2020-10-14 17:15:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_streams [2020-10-14 17:15:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-14 17:15:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_41 [2020-10-14 17:15:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-14 17:15:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_42 [2020-10-14 17:15:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2020-10-14 17:15:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 17:15:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 17:15:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-14 17:15:27,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 17:15:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_30 [2020-10-14 17:15:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_31 [2020-10-14 17:15:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_32 [2020-10-14 17:15:27,484 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-14 17:15:27,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2020-10-14 17:15:27,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2020-10-14 17:15:27,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_34 [2020-10-14 17:15:27,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_35 [2020-10-14 17:15:27,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_36 [2020-10-14 17:15:27,487 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2020-10-14 17:15:27,487 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-14 17:15:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2020-10-14 17:15:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2020-10-14 17:15:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2020-10-14 17:15:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wait_anchor_empty_timeout [2020-10-14 17:15:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-14 17:15:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-14 17:15:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2020-10-14 17:15:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_bus [2020-10-14 17:15:27,488 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2020-10-14 17:15:27,489 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2020-10-14 17:15:27,489 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2020-10-14 17:15:27,489 INFO L130 BoogieDeclarations]: Found specification of procedure scmd_printk [2020-10-14 17:15:27,489 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2020-10-14 17:15:27,489 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bidi_cmnd [2020-10-14 17:15:27,490 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_in [2020-10-14 17:15:27,490 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_out [2020-10-14 17:15:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_report_bus_reset [2020-10-14 17:15:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_print_command [2020-10-14 17:15:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2020-10-14 17:15:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2020-10-14 17:15:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_alloc_37 [2020-10-14 17:15:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2020-10-14 17:15:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host_with_dma_29 [2020-10-14 17:15:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_scan_host [2020-10-14 17:15:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2020-10-14 17:15:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_40 [2020-10-14 17:15:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2020-10-14 17:15:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_get_serial [2020-10-14 17:15:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host [2020-10-14 17:15:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2020-10-14 17:15:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2020-10-14 17:15:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_init_shared_tag_map [2020-10-14 17:15:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure usb_stor_adjust_quirks [2020-10-14 17:15:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure uas_is_interface [2020-10-14 17:15:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_uas_alt_setting [2020-10-14 17:15:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_endpoints [2020-10-14 17:15:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure uas_use_uas_driver [2020-10-14 17:15:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_urbs [2020-10-14 17:15:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure uas_do_work [2020-10-14 17:15:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure uas_try_complete [2020-10-14 17:15:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_streams [2020-10-14 17:15:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure uas_log_cmd_state [2020-10-14 17:15:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure uas_add_work [2020-10-14 17:15:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure uas_zap_pending [2020-10-14 17:15:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure uas_sense [2020-10-14 17:15:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 17:15:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_unsubmitted_urbs [2020-10-14 17:15:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 17:15:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure uas_xfer_data [2020-10-14 17:15:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure uas_stat_cmplt [2020-10-14 17:15:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure uas_data_cmplt [2020-10-14 17:15:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmd_cmplt [2020-10-14 17:15:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_data_urb [2020-10-14 17:15:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_sense_urb [2020-10-14 17:15:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_cmd_urb [2020-10-14 17:15:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_sense_urb [2020-10-14 17:15:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand_lck [2020-10-14 17:15:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand [2020-10-14 17:15:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_abort_handler [2020-10-14 17:15:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_bus_reset_handler [2020-10-14 17:15:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_alloc [2020-10-14 17:15:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_configure [2020-10-14 17:15:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure uas_switch_interface [2020-10-14 17:15:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure uas_configure_endpoints [2020-10-14 17:15:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure uas_probe [2020-10-14 17:15:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmnd_list_empty [2020-10-14 17:15:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure uas_wait_for_pending_cmnds [2020-10-14 17:15:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure uas_pre_reset [2020-10-14 17:15:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure uas_post_reset [2020-10-14 17:15:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure uas_suspend [2020-10-14 17:15:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure uas_resume [2020-10-14 17:15:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure uas_reset_resume [2020-10-14 17:15:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure uas_disconnect [2020-10-14 17:15:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure uas_shutdown [2020-10-14 17:15:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_init [2020-10-14 17:15:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_exit [2020-10-14 17:15:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 17:15:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 17:15:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 17:15:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 17:15:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-14 17:15:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-14 17:15:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-14 17:15:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-14 17:15:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-14 17:15:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-14 17:15:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-14 17:15:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-14 17:15:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 17:15:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 17:15:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 17:15:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 17:15:27,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 17:15:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 17:15:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 17:15:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 17:15:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 17:15:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 17:15:27,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 17:15:28,532 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-14 17:15:35,046 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 17:15:35,046 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 17:15:35,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:15:35 BoogieIcfgContainer [2020-10-14 17:15:35,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 17:15:35,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 17:15:35,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 17:15:35,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 17:15:35,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:15:24" (1/3) ... [2020-10-14 17:15:35,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234f1494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:15:35, skipping insertion in model container [2020-10-14 17:15:35,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:27" (2/3) ... [2020-10-14 17:15:35,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234f1494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:15:35, skipping insertion in model container [2020-10-14 17:15:35,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:15:35" (3/3) ... [2020-10-14 17:15:35,064 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2020-10-14 17:15:35,074 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 17:15:35,083 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 17:15:35,096 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 17:15:35,124 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 17:15:35,124 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 17:15:35,124 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 17:15:35,124 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 17:15:35,124 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 17:15:35,124 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 17:15:35,125 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 17:15:35,125 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 17:15:35,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states. [2020-10-14 17:15:35,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-14 17:15:35,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:15:35,209 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 17:15:35,210 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:15:35,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:15:35,215 INFO L82 PathProgramCache]: Analyzing trace with hash 540157004, now seen corresponding path program 1 times [2020-10-14 17:15:35,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:15:35,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [261911193] [2020-10-14 17:15:35,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:15:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:36,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:36,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:36,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:37,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:37,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:42,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:42,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 17:15:42,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 17:15:42,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6423 [2020-10-14 17:15:42,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:42,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:42,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:42,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 17:15:42,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:42,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 17:15:44,664 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 700 [2020-10-14 17:15:44,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:15:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:44,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:45,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:45,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:15:45,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:15:45,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 800 [2020-10-14 17:15:45,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:45,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:45,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:45,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:15:45,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:45,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:15:45,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:15:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:45,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:45,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:45,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:45,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 17:15:45,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:15:45,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 17:15:45,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:45,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:15:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:45,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:15:45,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:15:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:45,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:45,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:45,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:15:45,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:15:45,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:15:45,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:45,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:45,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:45,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:15:45,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:45,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:15:45,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:15:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:45,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:45,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:45,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:45,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:15:45,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:15:45,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:15:45,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:45,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:45,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:45,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 17:15:45,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:45,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:15:45,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 17:15:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:45,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:45,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:45,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 17:15:45,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:15:45,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 17:15:45,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:45,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:45,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:45,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 17:15:45,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:45,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:15:45,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:15:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:45,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:45,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:45,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:15:45,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:15:45,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:15:45,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:45,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:45,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:45,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:15:45,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:45,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:15:45,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:15:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:45,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:45,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:45,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:15:45,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:15:45,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 17:15:45,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:45,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 17:15:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:45,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:15:45,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 17:15:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:45,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:45,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:45,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:45,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 17:15:45,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:15:45,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 17:15:45,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:45,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 17:15:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:45,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:15:45,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:15:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:45,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:45,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:45,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:15:45,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:15:45,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 17:15:45,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:45,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:45,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:45,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:15:45,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:45,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:15:45,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:15:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:45,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:45,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:45,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:45,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:15:45,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:15:45,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 17:15:45,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:45,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:45,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:15:45,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:45,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:15:45,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 17:15:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:45,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:46,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:46,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 17:15:46,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:15:46,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 17:15:46,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:46,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:46,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:46,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 17:15:46,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:46,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:15:46,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 17:15:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:46,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:46,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:46,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:46,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:15:46,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:15:46,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-14 17:15:46,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:46,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:46,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:46,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 17:15:46,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:46,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:15:46,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:15:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:46,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:46,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:46,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:15:46,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:15:46,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 17:15:46,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:46,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:46,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:46,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:15:46,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:46,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 17:15:46,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 17:15:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:46,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:46,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:46,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:15:46,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:15:46,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 17:15:46,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:46,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:46,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:46,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 17:15:46,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:46,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 17:15:46,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:15:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:46,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:46,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:46,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:15:46,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:15:46,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 17:15:46,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:46,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:46,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:46,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 17:15:46,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:46,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 17:15:46,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-14 17:15:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:46,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:46,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:46,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:15:46,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:15:46,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 17:15:46,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:46,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:46,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:46,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 17:15:46,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:46,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:15:46,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 17:15:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:15:46,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:15:46,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:15:46,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:15:46,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:15:46,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 17:15:46,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:15:46,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:15:46,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:15:46,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 17:15:46,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:15:46,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:15:46,828 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-14 17:15:46,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [261911193] [2020-10-14 17:15:46,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:15:46,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 17:15:46,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580063399] [2020-10-14 17:15:46,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 17:15:46,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:15:46,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 17:15:46,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 17:15:46,859 INFO L87 Difference]: Start difference. First operand 1419 states. Second operand 8 states. [2020-10-14 17:15:48,931 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 709 [2020-10-14 17:16:24,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:16:24,784 INFO L93 Difference]: Finished difference Result 3512 states and 5027 transitions. [2020-10-14 17:16:24,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 17:16:24,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-10-14 17:16:24,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:16:24,846 INFO L225 Difference]: With dead ends: 3512 [2020-10-14 17:16:24,846 INFO L226 Difference]: Without dead ends: 2130 [2020-10-14 17:16:24,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2020-10-14 17:16:24,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2020-10-14 17:16:25,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 1323. [2020-10-14 17:16:25,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1323 states. [2020-10-14 17:16:25,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1741 transitions. [2020-10-14 17:16:25,421 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1741 transitions. Word has length 121 [2020-10-14 17:16:25,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:16:25,422 INFO L479 AbstractCegarLoop]: Abstraction has 1323 states and 1741 transitions. [2020-10-14 17:16:25,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 17:16:25,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1741 transitions. [2020-10-14 17:16:25,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-14 17:16:25,431 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:16:25,431 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:16:25,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 17:16:25,432 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:16:25,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:16:25,432 INFO L82 PathProgramCache]: Analyzing trace with hash -616828597, now seen corresponding path program 1 times [2020-10-14 17:16:25,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:16:25,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267530162] [2020-10-14 17:16:25,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:16:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:25,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:26,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:31,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:31,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 17:16:31,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:16:31,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5490 [2020-10-14 17:16:31,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:31,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:16:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-14 17:16:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 17:16:31,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:16:33,297 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 700 [2020-10-14 17:16:33,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:16:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:33,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:16:34,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:16:34,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 708 [2020-10-14 17:16:34,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:16:34,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:16:34,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:16:34,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:16:34,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:16:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:34,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 17:16:34,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:16:34,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 17:16:34,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:16:34,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:16:34,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:16:34,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:16:34,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:16:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:34,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:16:34,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:16:34,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 17:16:34,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:16:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:16:34,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:16:34,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:16:34,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:16:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:34,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:16:34,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:16:34,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:16:34,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:16:34,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:16:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:16:34,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:16:34,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 17:16:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:34,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 17:16:34,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:16:34,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 17:16:34,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:16:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:16:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:16:34,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:16:34,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:16:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:34,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:16:34,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:16:34,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 17:16:34,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:16:34,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:16:34,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:16:34,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:16:34,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:16:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:34,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:16:34,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:16:34,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 17:16:34,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:16:34,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:16:34,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:16:34,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:16:34,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 17:16:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:34,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 17:16:34,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:16:34,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 17:16:34,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:16:34,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:16:34,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:16:34,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:16:34,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:16:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:34,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:16:34,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:16:34,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:16:34,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:16:34,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:16:34,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:16:34,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:16:34,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:16:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:34,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:16:34,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:16:34,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:16:34,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:16:34,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:16:34,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:16:34,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:16:34,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 17:16:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:34,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 17:16:34,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:16:34,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:16:34,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:16:34,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:16:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:16:34,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:16:34,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 17:16:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:34,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:16:34,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:16:34,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 17:16:34,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:16:34,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:16:34,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:16:34,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:16:34,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:16:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:34,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:16:34,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:16:34,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:16:34,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:16:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:16:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:16:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:16:34,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 17:16:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:34,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:16:34,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:16:34,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 17:16:34,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:16:34,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:16:34,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 17:16:34,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:16:34,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-14 17:16:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:34,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:16:34,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:16:34,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:16:34,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:16:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 17:16:34,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:16:34,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:16:34,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:16:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:34,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:16:34,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:16:34,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:16:34,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:16:34,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 17:16:34,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:16:34,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:16:34,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 17:16:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:16:34,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:16:34,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:16:34,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:16:34,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:16:34,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:16:34,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:16:34,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:16:34,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:16:34,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 17:16:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:16:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:16:34,826 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-14 17:16:34,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267530162] [2020-10-14 17:16:34,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 17:16:34,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 17:16:34,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355424610] [2020-10-14 17:16:34,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 17:16:34,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:16:34,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 17:16:34,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 17:16:34,831 INFO L87 Difference]: Start difference. First operand 1323 states and 1741 transitions. Second operand 9 states. [2020-10-14 17:16:36,999 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 709 [2020-10-14 17:16:42,204 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 711 [2020-10-14 17:16:44,548 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 702 [2020-10-14 17:17:50,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:17:50,675 INFO L93 Difference]: Finished difference Result 5404 states and 7736 transitions. [2020-10-14 17:17:50,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-14 17:17:50,681 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 122 [2020-10-14 17:17:50,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:17:50,709 INFO L225 Difference]: With dead ends: 5404 [2020-10-14 17:17:50,709 INFO L226 Difference]: Without dead ends: 4108 [2020-10-14 17:17:50,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=226, Invalid=586, Unknown=0, NotChecked=0, Total=812 [2020-10-14 17:17:50,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4108 states. [2020-10-14 17:17:51,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4108 to 2749. [2020-10-14 17:17:51,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2749 states. [2020-10-14 17:17:51,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2749 states and 3689 transitions. [2020-10-14 17:17:51,518 INFO L78 Accepts]: Start accepts. Automaton has 2749 states and 3689 transitions. Word has length 122 [2020-10-14 17:17:51,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:17:51,519 INFO L479 AbstractCegarLoop]: Abstraction has 2749 states and 3689 transitions. [2020-10-14 17:17:51,519 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 17:17:51,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 3689 transitions. [2020-10-14 17:17:51,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-14 17:17:51,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:17:51,525 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 17:17:51,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 17:17:51,525 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:17:51,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:17:51,526 INFO L82 PathProgramCache]: Analyzing trace with hash 255333890, now seen corresponding path program 1 times [2020-10-14 17:17:51,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:17:51,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1924082228] [2020-10-14 17:17:51,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:17:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:17:51,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:17:52,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:17:57,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:17:57,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 17:17:57,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:17:57,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6065 [2020-10-14 17:17:57,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:17:57,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:17:57,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:17:57,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-14 17:17:57,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 17:17:57,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:18:00,285 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 700 [2020-10-14 17:18:00,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:18:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:00,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:00,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:00,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:18:00,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:18:00,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 504 [2020-10-14 17:18:00,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:00,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:00,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:18:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:18:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:18:00,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:18:00,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:18:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:00,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:00,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:00,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 17:18:00,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:18:00,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 17:18:00,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:00,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:00,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:18:00,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:18:00,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:18:00,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:18:01,146 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2020-10-14 17:18:01,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:18:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:01,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:01,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:01,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:18:01,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:18:01,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 17:18:01,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:01,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:18:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:18:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:18:01,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:18:01,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:18:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:01,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:01,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:01,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:18:01,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:18:01,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:18:01,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:01,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:01,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:18:01,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:18:01,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:18:01,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:18:01,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 17:18:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:01,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:01,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:01,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 17:18:01,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:18:01,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 17:18:01,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:01,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:01,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:18:01,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:18:01,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:18:01,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:18:01,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:18:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:01,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:01,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:01,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:18:01,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:18:01,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:18:01,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:01,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:01,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:18:01,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:18:01,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:18:01,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:18:01,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:18:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:01,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:01,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:01,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:18:01,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:18:01,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:18:01,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:01,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:01,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:18:01,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:18:01,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:18:01,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:18:01,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 17:18:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:01,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:01,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:01,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 17:18:01,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:18:01,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 17:18:01,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:01,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:01,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:18:01,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:18:01,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:18:01,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:18:01,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:18:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:01,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:01,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:01,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:18:01,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:18:01,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:18:01,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:01,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:01,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:18:01,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:18:01,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:18:01,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:18:01,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:18:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:01,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:01,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:01,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:18:01,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:18:01,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:18:01,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:01,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:01,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:18:01,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:18:01,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:18:01,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:18:01,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 17:18:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:01,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:01,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:01,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 17:18:01,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:18:01,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:18:01,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:01,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:01,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:18:01,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:18:01,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:18:01,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:18:01,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 17:18:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:01,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:01,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:01,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:01,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:18:01,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:18:01,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 17:18:01,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:01,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:01,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:18:01,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:18:01,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:18:01,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:18:01,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:18:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:01,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:01,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:01,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:18:01,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:18:01,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:18:01,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:01,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:01,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:18:01,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:18:01,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:18:01,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:18:01,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 17:18:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:01,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:01,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:01,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:18:01,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:18:01,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 17:18:01,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:01,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:01,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:18:01,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:18:01,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 17:18:01,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:18:01,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 17:18:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:01,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:01,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:01,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:18:01,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:18:01,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:18:01,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:01,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:01,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:18:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 17:18:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:18:01,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:18:01,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 17:18:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:01,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:01,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:01,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:18:01,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:18:01,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:18:01,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:01,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:01,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:18:01,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 17:18:01,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:18:01,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:18:01,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 17:18:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:18:01,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:18:01,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:18:01,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:18:01,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:18:01,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:18:01,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:18:01,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:18:01,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:18:01,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 17:18:01,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:18:01,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:18:01,697 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-14 17:18:01,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1924082228] [2020-10-14 17:18:01,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 17:18:01,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 17:18:01,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802582819] [2020-10-14 17:18:01,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 17:18:01,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:18:01,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 17:18:01,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-14 17:18:01,701 INFO L87 Difference]: Start difference. First operand 2749 states and 3689 transitions. Second operand 10 states. [2020-10-14 17:18:03,725 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 709 [2020-10-14 17:18:08,925 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 711 [2020-10-14 17:18:11,507 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 702 [2020-10-14 17:18:23,705 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 715 [2020-10-14 17:18:27,918 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 706