/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-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 12:08:12,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 12:08:12,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 12:08:12,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 12:08:12,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 12:08:12,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 12:08:12,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 12:08:12,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 12:08:12,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 12:08:12,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 12:08:12,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 12:08:12,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 12:08:12,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 12:08:12,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 12:08:12,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 12:08:12,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 12:08:12,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 12:08:12,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 12:08:12,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 12:08:12,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 12:08:12,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 12:08:12,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 12:08:12,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 12:08:12,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 12:08:12,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 12:08:12,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 12:08:12,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 12:08:12,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 12:08:12,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 12:08:12,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 12:08:12,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 12:08:12,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 12:08:12,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 12:08:12,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 12:08:12,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 12:08:12,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 12:08:12,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 12:08:12,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 12:08:12,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 12:08:12,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 12:08:12,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 12:08:12,714 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 12:08:12,736 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 12:08:12,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 12:08:12,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 12:08:12,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 12:08:12,738 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 12:08:12,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 12:08:12,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 12:08:12,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 12:08:12,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 12:08:12,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 12:08:12,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 12:08:12,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 12:08:12,739 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 12:08:12,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 12:08:12,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 12:08:12,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 12:08:12,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 12:08:12,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 12:08:12,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 12:08:12,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 12:08:12,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 12:08:12,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 12:08:12,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 12:08:12,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 12:08:12,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 12:08:12,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 12:08:12,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 12:08:12,742 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 12:08:13,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 12:08:13,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 12:08:13,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 12:08:13,060 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 12:08:13,060 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 12:08:13,061 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2020-10-14 12:08:13,113 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e70c91cc1/99adb2932c584ab88a5061c89fbf7c60/FLAGdeaca2630 [2020-10-14 12:08:13,861 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 12:08:13,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2020-10-14 12:08:13,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e70c91cc1/99adb2932c584ab88a5061c89fbf7c60/FLAGdeaca2630 [2020-10-14 12:08:14,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e70c91cc1/99adb2932c584ab88a5061c89fbf7c60 [2020-10-14 12:08:14,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 12:08:14,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 12:08:14,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 12:08:14,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 12:08:14,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 12:08:14,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:08:14" (1/1) ... [2020-10-14 12:08:14,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46034240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:14, skipping insertion in model container [2020-10-14 12:08:14,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:08:14" (1/1) ... [2020-10-14 12:08:14,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 12:08:14,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 12:08:16,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:08:16,330 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 12:08:16,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:08:17,053 INFO L208 MainTranslator]: Completed translation [2020-10-14 12:08:17,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:17 WrapperNode [2020-10-14 12:08:17,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 12:08:17,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 12:08:17,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 12:08:17,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 12:08:17,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:17" (1/1) ... [2020-10-14 12:08:17,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:17" (1/1) ... [2020-10-14 12:08:17,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:17" (1/1) ... [2020-10-14 12:08:17,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:17" (1/1) ... [2020-10-14 12:08:17,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:17" (1/1) ... [2020-10-14 12:08:17,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:17" (1/1) ... [2020-10-14 12:08:17,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:17" (1/1) ... [2020-10-14 12:08:17,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 12:08:17,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 12:08:17,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 12:08:17,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 12:08:17,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:17" (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 12:08:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 12:08:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 12:08:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~sector_t~0~TO~int [2020-10-14 12:08:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-14 12:08:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2020-10-14 12:08:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-14 12:08:17,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-14 12:08:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-14 12:08:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-14 12:08:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-14 12:08:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2020-10-14 12:08:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-14 12:08:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-10-14 12:08:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-14 12:08:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-14 12:08:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2020-10-14 12:08:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-10-14 12:08:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-14 12:08:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 12:08:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-14 12:08:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-14 12:08:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-14 12:08:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2020-10-14 12:08:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-14 12:08:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-14 12:08:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2020-10-14 12:08:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2020-10-14 12:08:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2020-10-14 12:08:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 12:08:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 12:08:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2020-10-14 12:08:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2020-10-14 12:08:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2020-10-14 12:08:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-14 12:08:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-14 12:08:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_disable [2020-10-14 12:08:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_enable [2020-10-14 12:08:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2020-10-14 12:08:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2020-10-14 12:08:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmap_atomic [2020-10-14 12:08:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2020-10-14 12:08:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2020-10-14 12:08:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2020-10-14 12:08:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2020-10-14 12:08:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2020-10-14 12:08:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2020-10-14 12:08:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2020-10-14 12:08:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2020-10-14 12:08:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_none [2020-10-14 12:08:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2020-10-14 12:08:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2020-10-14 12:08:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2020-10-14 12:08:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2020-10-14 12:08:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2020-10-14 12:08:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_aops [2020-10-14 12:08:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_lo_send_write [2020-10-14 12:08:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_direct_write [2020-10-14 12:08:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_write [2020-10-14 12:08:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_send [2020-10-14 12:08:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_splice_actor [2020-10-14 12:08:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_direct_splice_actor [2020-10-14 12:08:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_receive [2020-10-14 12:08:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_receive [2020-10-14 12:08:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bio_filebacked [2020-10-14 12:08:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_add_bio [2020-10-14 12:08:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_bio [2020-10-14 12:08:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_make_request [2020-10-14 12:08:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_handle_bio [2020-10-14 12:08:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_thread [2020-10-14 12:08:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2020-10-14 12:08:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_flush [2020-10-14 12:08:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure do_loop_switch [2020-10-14 12:08:17,471 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_change_fd [2020-10-14 12:08:17,471 INFO L138 BoogieDeclarations]: Found implementation of procedure is_loop_device [2020-10-14 12:08:17,471 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_show [2020-10-14 12:08:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_backing_file_show [2020-10-14 12:08:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_offset_show [2020-10-14 12:08:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_sizelimit_show [2020-10-14 12:08:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_autoclear_show [2020-10-14 12:08:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_backing_file [2020-10-14 12:08:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_offset [2020-10-14 12:08:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_sizelimit [2020-10-14 12:08:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_autoclear [2020-10-14 12:08:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_init [2020-10-14 12:08:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2020-10-14 12:08:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_fd [2020-10-14 12:08:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2020-10-14 12:08:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init_xfer [2020-10-14 12:08:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2020-10-14 12:08:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2020-10-14 12:08:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2020-10-14 12:08:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_from_old [2020-10-14 12:08:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_to_old [2020-10-14 12:08:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_old [2020-10-14 12:08:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status64 [2020-10-14 12:08:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status_old [2020-10-14 12:08:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status64 [2020-10-14 12:08:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2020-10-14 12:08:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2020-10-14 12:08:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_from_compat [2020-10-14 12:08:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_to_compat [2020-10-14 12:08:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_compat [2020-10-14 12:08:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status_compat [2020-10-14 12:08:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_compat_ioctl [2020-10-14 12:08:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_open [2020-10-14 12:08:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_release [2020-10-14 12:08:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_register_transfer [2020-10-14 12:08:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_unregister_transfer [2020-10-14 12:08:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_alloc [2020-10-14 12:08:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_free [2020-10-14 12:08:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init_one [2020-10-14 12:08:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_del_one [2020-10-14 12:08:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_probe [2020-10-14 12:08:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init [2020-10-14 12:08:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_exit [2020-10-14 12:08:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 12:08:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-14 12:08:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-10-14 12:08:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-10-14 12:08:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-10-14 12:08:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-10-14 12:08:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-10-14 12:08:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 12:08:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_1 [2020-10-14 12:08:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2020-10-14 12:08:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2020-10-14 12:08:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_4 [2020-10-14 12:08:17,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_5 [2020-10-14 12:08:17,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2020-10-14 12:08:17,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2020-10-14 12:08:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-14 12:08:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 12:08:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 12:08:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 12:08:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-14 12:08:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-10-14 12:08:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-14 12:08:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-14 12:08:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __splice_from_pipe [2020-10-14 12:08:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-14 12:08:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2020-10-14 12:08:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-14 12:08:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-14 12:08:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-14 12:08:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-14 12:08:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2020-10-14 12:08:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2020-10-14 12:08:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2020-10-14 12:08:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2020-10-14 12:08:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc [2020-10-14 12:08:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2020-10-14 12:08:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2020-10-14 12:08:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_alloc_queue [2020-10-14 12:08:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2020-10-14 12:08:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_flush [2020-10-14 12:08:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_make_request [2020-10-14 12:08:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_register_region [2020-10-14 12:08:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_unregister_region [2020-10-14 12:08:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-14 12:08:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-14 12:08:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure d_path [2020-10-14 12:08:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2020-10-14 12:08:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2020-10-14 12:08:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure file_update_time [2020-10-14 12:08:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-14 12:08:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2020-10-14 12:08:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure get_disk [2020-10-14 12:08:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2020-10-14 12:08:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_by_bdev [2020-10-14 12:08:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2020-10-14 12:08:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2020-10-14 12:08:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2020-10-14 12:08:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2020-10-14 12:08:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-14 12:08:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 12:08:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2020-10-14 12:08:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-14 12:08:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-14 12:08:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-14 12:08:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 12:08:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pagecache_write_begin [2020-10-14 12:08:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pagecache_write_end [2020-10-14 12:08:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-14 12:08:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 12:08:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2020-10-14 12:08:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2020-10-14 12:08:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-14 12:08:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blocksize [2020-10-14 12:08:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_ro [2020-10-14 12:08:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure set_user_nice [2020-10-14 12:08:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure splice_direct_to_actor [2020-10-14 12:08:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2020-10-14 12:08:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2020-10-14 12:08:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2020-10-14 12:08:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2020-10-14 12:08:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_getattr [2020-10-14 12:08:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2020-10-14 12:08:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2020-10-14 12:08:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-14 12:08:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2020-10-14 12:08:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 12:08:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 12:08:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 12:08:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-14 12:08:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 12:08:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-14 12:08:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-14 12:08:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 12:08:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-14 12:08:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-14 12:08:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2020-10-14 12:08:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 12:08:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-14 12:08:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-10-14 12:08:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-14 12:08:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-14 12:08:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-14 12:08:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-14 12:08:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 12:08:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 12:08:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-14 12:08:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-14 12:08:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-10-14 12:08:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-14 12:08:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-14 12:08:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2020-10-14 12:08:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-10-14 12:08:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-14 12:08:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-14 12:08:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-14 12:08:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-14 12:08:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 12:08:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-14 12:08:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-14 12:08:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-14 12:08:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-14 12:08:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-14 12:08:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-14 12:08:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-14 12:08:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-14 12:08:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-14 12:08:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 12:08:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-14 12:08:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 12:08:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 12:08:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 12:08:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2020-10-14 12:08:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-14 12:08:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2020-10-14 12:08:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2020-10-14 12:08:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2020-10-14 12:08:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 12:08:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2020-10-14 12:08:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2020-10-14 12:08:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2020-10-14 12:08:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_1 [2020-10-14 12:08:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_4 [2020-10-14 12:08:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2020-10-14 12:08:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2020-10-14 12:08:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_5 [2020-10-14 12:08:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2020-10-14 12:08:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-10-14 12:08:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-10-14 12:08:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-10-14 12:08:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-10-14 12:08:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-10-14 12:08:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-14 12:08:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-14 12:08:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure set_user_nice [2020-10-14 12:08:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2020-10-14 12:08:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-14 12:08:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-14 12:08:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2020-10-14 12:08:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2020-10-14 12:08:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2020-10-14 12:08:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure d_path [2020-10-14 12:08:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure pagecache_write_begin [2020-10-14 12:08:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure pagecache_write_end [2020-10-14 12:08:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2020-10-14 12:08:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 12:08:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2020-10-14 12:08:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2020-10-14 12:08:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2020-10-14 12:08:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2020-10-14 12:08:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_by_bdev [2020-10-14 12:08:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2020-10-14 12:08:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2020-10-14 12:08:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_getattr [2020-10-14 12:08:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure file_update_time [2020-10-14 12:08:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2020-10-14 12:08:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2020-10-14 12:08:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 12:08:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 12:08:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 12:08:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 12:08:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 12:08:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2020-10-14 12:08:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2020-10-14 12:08:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_ro [2020-10-14 12:08:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2020-10-14 12:08:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2020-10-14 12:08:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-14 12:08:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure get_disk [2020-10-14 12:08:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-14 12:08:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure blk_register_region [2020-10-14 12:08:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure blk_unregister_region [2020-10-14 12:08:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2020-10-14 12:08:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-14 12:08:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-14 12:08:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-14 12:08:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-14 12:08:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_disable [2020-10-14 12:08:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_enable [2020-10-14 12:08:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2020-10-14 12:08:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2020-10-14 12:08:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure __kmap_atomic [2020-10-14 12:08:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2020-10-14 12:08:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2020-10-14 12:08:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2020-10-14 12:08:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc [2020-10-14 12:08:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2020-10-14 12:08:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2020-10-14 12:08:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2020-10-14 12:08:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2020-10-14 12:08:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 12:08:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2020-10-14 12:08:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2020-10-14 12:08:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2020-10-14 12:08:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_make_request [2020-10-14 12:08:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_flush [2020-10-14 12:08:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure blk_alloc_queue [2020-10-14 12:08:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure loop_register_transfer [2020-10-14 12:08:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure loop_unregister_transfer [2020-10-14 12:08:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2020-10-14 12:08:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2020-10-14 12:08:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2020-10-14 12:08:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2020-10-14 12:08:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure __splice_from_pipe [2020-10-14 12:08:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure splice_direct_to_actor [2020-10-14 12:08:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_none [2020-10-14 12:08:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 12:08:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2020-10-14 12:08:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2020-10-14 12:08:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2020-10-14 12:08:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2020-10-14 12:08:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2020-10-14 12:08:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~sector_t~0~TO~int [2020-10-14 12:08:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_aops [2020-10-14 12:08:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure __do_lo_send_write [2020-10-14 12:08:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-14 12:08:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_direct_write [2020-10-14 12:08:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_write [2020-10-14 12:08:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure lo_send [2020-10-14 12:08:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2020-10-14 12:08:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure lo_splice_actor [2020-10-14 12:08:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure lo_direct_splice_actor [2020-10-14 12:08:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_receive [2020-10-14 12:08:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure lo_receive [2020-10-14 12:08:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure do_bio_filebacked [2020-10-14 12:08:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure loop_add_bio [2020-10-14 12:08:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_bio [2020-10-14 12:08:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure loop_make_request [2020-10-14 12:08:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure do_loop_switch [2020-10-14 12:08:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure loop_handle_bio [2020-10-14 12:08:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure loop_thread [2020-10-14 12:08:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2020-10-14 12:08:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure loop_flush [2020-10-14 12:08:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure loop_change_fd [2020-10-14 12:08:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure is_loop_device [2020-10-14 12:08:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_show [2020-10-14 12:08:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-14 12:08:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_backing_file_show [2020-10-14 12:08:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-14 12:08:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_offset_show [2020-10-14 12:08:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_sizelimit_show [2020-10-14 12:08:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_autoclear_show [2020-10-14 12:08:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_backing_file [2020-10-14 12:08:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_offset [2020-10-14 12:08:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_sizelimit [2020-10-14 12:08:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_autoclear [2020-10-14 12:08:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_init [2020-10-14 12:08:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2020-10-14 12:08:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_fd [2020-10-14 12:08:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2020-10-14 12:08:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-14 12:08:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init_xfer [2020-10-14 12:08:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2020-10-14 12:08:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 12:08:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2020-10-14 12:08:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2020-10-14 12:08:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_from_old [2020-10-14 12:08:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_to_old [2020-10-14 12:08:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_old [2020-10-14 12:08:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status64 [2020-10-14 12:08:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status_old [2020-10-14 12:08:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status64 [2020-10-14 12:08:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2020-10-14 12:08:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2020-10-14 12:08:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-14 12:08:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_from_compat [2020-10-14 12:08:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_to_compat [2020-10-14 12:08:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_compat [2020-10-14 12:08:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status_compat [2020-10-14 12:08:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure lo_compat_ioctl [2020-10-14 12:08:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure lo_open [2020-10-14 12:08:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure lo_release [2020-10-14 12:08:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure loop_alloc [2020-10-14 12:08:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure loop_free [2020-10-14 12:08:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init_one [2020-10-14 12:08:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure loop_del_one [2020-10-14 12:08:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure loop_probe [2020-10-14 12:08:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init [2020-10-14 12:08:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure loop_exit [2020-10-14 12:08:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 12:08:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-14 12:08:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 12:08:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 12:08:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 12:08:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-14 12:08:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2020-10-14 12:08:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 12:08:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 12:08:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 12:08:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 12:08:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 12:08:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 12:08:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 12:08:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 12:08:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 12:08:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 12:08:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 12:08:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 12:08:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 12:08:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 12:08:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 12:08:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 12:08:20,053 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-14 12:08:20,054 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-14 12:08:21,068 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:08:21,114 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2020-10-14 12:08:21,114 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2020-10-14 12:08:22,997 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:08:23,026 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2020-10-14 12:08:23,027 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2020-10-14 12:08:23,176 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:08:23,225 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2020-10-14 12:08:23,225 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2020-10-14 12:08:23,305 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-14 12:08:23,306 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-14 12:08:23,307 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-10-14 12:08:25,771 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 12:08:25,772 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-14 12:08:25,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:08:25 BoogieIcfgContainer [2020-10-14 12:08:25,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 12:08:25,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 12:08:25,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 12:08:25,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 12:08:25,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:08:14" (1/3) ... [2020-10-14 12:08:25,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b3a959d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:08:25, skipping insertion in model container [2020-10-14 12:08:25,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:17" (2/3) ... [2020-10-14 12:08:25,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b3a959d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:08:25, skipping insertion in model container [2020-10-14 12:08:25,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:08:25" (3/3) ... [2020-10-14 12:08:25,789 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2020-10-14 12:08:25,801 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 12:08:25,811 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 12:08:25,825 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 12:08:25,852 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 12:08:25,853 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 12:08:25,853 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 12:08:25,853 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 12:08:25,853 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 12:08:25,853 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 12:08:25,853 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 12:08:25,854 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 12:08:25,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states. [2020-10-14 12:08:25,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-14 12:08:25,927 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:08:25,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:08:25,929 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:08:25,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:08:25,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1420376071, now seen corresponding path program 1 times [2020-10-14 12:08:25,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:08:25,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1030176480] [2020-10-14 12:08:25,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:08:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:08:26,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:08:27,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:08:27,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 12:08:27,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:08:27,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1423 [2020-10-14 12:08:27,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:08:27,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:08:27,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 12:08:27,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:08:27,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 12:08:27,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 12:08:28,445 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-14 12:08:28,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:08:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:08:28,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:08:28,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:08:28,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:08:28,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:08:28,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-10-14 12:08:28,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:08:28,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:08:28,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:08:28,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:08:28,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 12:08:28,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:08:28,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:08:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:08:28,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:08:28,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:08:28,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:08:28,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:08:28,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 12:08:28,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:08:28,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:08:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:08:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:08:28,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 12:08:28,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:08:28,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:08:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:08:28,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:08:28,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:08:28,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 12:08:28,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:08:28,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 12:08:28,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:08:28,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:08:28,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:08:28,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:08:28,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 12:08:28,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:08:28,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:08:28,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1030176480] [2020-10-14 12:08:28,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:08:28,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 12:08:28,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656382974] [2020-10-14 12:08:28,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 12:08:28,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:08:28,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 12:08:28,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 12:08:28,938 INFO L87 Difference]: Start difference. First operand 1594 states. Second operand 5 states. [2020-10-14 12:08:31,232 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-14 12:09:06,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:09:06,529 INFO L93 Difference]: Finished difference Result 4959 states and 6730 transitions. [2020-10-14 12:09:06,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 12:09:06,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-14 12:09:06,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:09:06,578 INFO L225 Difference]: With dead ends: 4959 [2020-10-14 12:09:06,578 INFO L226 Difference]: Without dead ends: 3425 [2020-10-14 12:09:06,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 12:09:06,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3425 states. [2020-10-14 12:09:07,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3425 to 2986. [2020-10-14 12:09:07,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2986 states. [2020-10-14 12:09:07,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 3842 transitions. [2020-10-14 12:09:07,320 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 3842 transitions. Word has length 21 [2020-10-14 12:09:07,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:09:07,321 INFO L479 AbstractCegarLoop]: Abstraction has 2986 states and 3842 transitions. [2020-10-14 12:09:07,321 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 12:09:07,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 3842 transitions. [2020-10-14 12:09:07,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-14 12:09:07,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:09:07,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:09:07,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 12:09:07,340 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:09:07,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:09:07,340 INFO L82 PathProgramCache]: Analyzing trace with hash -614224175, now seen corresponding path program 1 times [2020-10-14 12:09:07,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:09:07,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272375552] [2020-10-14 12:09:07,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:09:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:07,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:08,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:12,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:12,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 12:09:12,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:09:12,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-14 12:09:12,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:12,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:12,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 12:09:12,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 12:09:12,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:09:12,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:09:12,968 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-14 12:09:12,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:09:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:12,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:13,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:13,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:09:13,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:13,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 12:09:13,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:13,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:13,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:09:13,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:09:13,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:09:13,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:09:13,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:09:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:13,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:13,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:13,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:09:13,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:13,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:09:13,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:13,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:13,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:09:13,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:09:13,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:09:13,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:09:13,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:09:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:13,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:13,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:13,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 12:09:13,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:13,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 12:09:13,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:13,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:13,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 12:09:13,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:09:13,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 12:09:13,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:09:13,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 12:09:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:13,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:13,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:13,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:09:13,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:13,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 12:09:13,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:13,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:13,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:09:13,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:09:13,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:09:13,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:09:13,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 12:09:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:13,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:13,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:13,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:09:13,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:13,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:09:13,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:13,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:13,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:09:13,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 12:09:13,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:09:13,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:09:13,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:09:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:13,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:13,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:13,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:09:13,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:13,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:09:13,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:13,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:13,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:09:13,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:09:13,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:09:13,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:09:13,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 12:09:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:13,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:13,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:13,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:09:13,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:13,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 12:09:13,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:13,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:09:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 12:09:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:09:13,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:09:13,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:09:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:13,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:13,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:13,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:09:13,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:13,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:09:13,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:13,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:09:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:09:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:09:13,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:09:13,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:09:13,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272375552] [2020-10-14 12:09:13,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:09:13,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 12:09:13,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507982128] [2020-10-14 12:09:13,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 12:09:13,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:09:13,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 12:09:13,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 12:09:13,396 INFO L87 Difference]: Start difference. First operand 2986 states and 3842 transitions. Second operand 9 states. [2020-10-14 12:09:50,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:09:50,038 INFO L93 Difference]: Finished difference Result 7106 states and 9628 transitions. [2020-10-14 12:09:50,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 12:09:50,039 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-10-14 12:09:50,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:09:50,067 INFO L225 Difference]: With dead ends: 7106 [2020-10-14 12:09:50,067 INFO L226 Difference]: Without dead ends: 4261 [2020-10-14 12:09:50,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-14 12:09:50,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4261 states. [2020-10-14 12:09:50,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4261 to 3061. [2020-10-14 12:09:50,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3061 states. [2020-10-14 12:09:50,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3061 states to 3061 states and 3954 transitions. [2020-10-14 12:09:50,602 INFO L78 Accepts]: Start accepts. Automaton has 3061 states and 3954 transitions. Word has length 65 [2020-10-14 12:09:50,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:09:50,602 INFO L479 AbstractCegarLoop]: Abstraction has 3061 states and 3954 transitions. [2020-10-14 12:09:50,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 12:09:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 3954 transitions. [2020-10-14 12:09:50,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-14 12:09:50,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:09:50,607 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:09:50,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 12:09:50,607 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:09:50,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:09:50,608 INFO L82 PathProgramCache]: Analyzing trace with hash 749150170, now seen corresponding path program 1 times [2020-10-14 12:09:50,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:09:50,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59495076] [2020-10-14 12:09:50,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:09:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:50,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:51,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:55,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:55,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 12:09:55,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:09:55,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5071 [2020-10-14 12:09:55,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:55,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 12:09:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 12:09:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:09:55,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:09:56,350 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-14 12:09:56,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:09:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:56,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:56,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:56,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:09:56,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:56,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-14 12:09:56,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:56,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:56,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:09:56,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:09:56,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:09:56,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:09:56,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:09:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:56,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:56,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:56,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:09:56,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:56,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:09:56,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:56,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:56,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:09:56,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:09:56,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:09:56,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:09:56,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:09:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:56,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:56,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:56,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 12:09:56,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:56,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 12:09:56,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:56,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:56,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 12:09:56,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:09:56,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 12:09:56,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:09:56,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 12:09:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:56,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:56,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:56,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:09:56,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:56,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 12:09:56,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:56,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:56,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:09:56,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:09:56,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:09:56,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:09:56,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 12:09:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:56,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:56,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:56,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:09:56,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:56,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:09:56,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:56,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:09:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:09:56,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:09:56,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:09:56,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 12:09:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:56,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:56,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:56,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:09:56,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:56,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 12:09:56,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:56,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:56,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:09:56,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 12:09:56,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:09:56,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:09:56,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:09:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:56,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:56,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:56,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:09:56,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:56,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:09:56,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:56,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:56,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:09:56,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:09:56,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:09:56,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:09:56,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 12:09:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:56,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:56,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:56,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:09:56,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:56,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 12:09:56,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:56,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:56,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:09:56,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 12:09:56,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:09:56,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 12:09:56,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:09:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:09:56,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:09:56,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:09:56,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:09:56,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:09:56,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:09:56,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:09:56,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:09:56,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:09:56,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:09:56,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:09:56,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:09:56,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:09:56,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59495076] [2020-10-14 12:09:56,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:09:56,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 12:09:56,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768085658] [2020-10-14 12:09:56,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 12:09:56,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:09:56,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 12:09:56,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 12:09:56,794 INFO L87 Difference]: Start difference. First operand 3061 states and 3954 transitions. Second operand 9 states. [2020-10-14 12:10:30,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:10:30,890 INFO L93 Difference]: Finished difference Result 7181 states and 9740 transitions. [2020-10-14 12:10:30,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 12:10:30,891 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 73 [2020-10-14 12:10:30,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:10:30,917 INFO L225 Difference]: With dead ends: 7181 [2020-10-14 12:10:30,917 INFO L226 Difference]: Without dead ends: 4261 [2020-10-14 12:10:30,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-14 12:10:30,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4261 states. [2020-10-14 12:10:31,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4261 to 3061. [2020-10-14 12:10:31,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3061 states. [2020-10-14 12:10:31,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3061 states to 3061 states and 3953 transitions. [2020-10-14 12:10:31,499 INFO L78 Accepts]: Start accepts. Automaton has 3061 states and 3953 transitions. Word has length 73 [2020-10-14 12:10:31,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:10:31,500 INFO L479 AbstractCegarLoop]: Abstraction has 3061 states and 3953 transitions. [2020-10-14 12:10:31,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 12:10:31,500 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 3953 transitions. [2020-10-14 12:10:31,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-14 12:10:31,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:10:31,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:10:31,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 12:10:31,508 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:10:31,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:10:31,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1169477696, now seen corresponding path program 1 times [2020-10-14 12:10:31,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:10:31,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [700558882] [2020-10-14 12:10:31,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:10:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:10:31,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:10:31,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:10:35,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:10:36,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:10:36,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 12:10:36,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 12:10:36,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-14 12:10:36,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:10:36,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:10:36,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 12:10:36,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-14 12:10:36,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 12:10:36,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:10:37,139 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-14 12:10:37,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:10:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:10:37,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:10:37,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:10:37,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:10:37,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:10:37,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 12:10:37,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:10:37,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:10:37,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:10:37,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:10:37,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:10:37,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:10:37,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:10:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:10:37,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:10:37,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:10:37,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:10:37,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:10:37,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:10:37,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:10:37,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:10:37,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:10:37,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:10:37,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:10:37,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:10:37,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:10:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:10:37,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:10:37,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:10:37,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 12:10:37,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:10:37,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 12:10:37,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:10:37,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:10:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 12:10:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 12:10:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 12:10:37,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:10:37,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 12:10:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:10:37,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:10:37,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:10:37,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:10:37,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:10:37,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 12:10:37,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:10:37,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:10:37,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:10:37,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:10:37,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:10:37,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:10:37,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 12:10:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:10:37,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:10:37,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:10:37,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:10:37,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:10:37,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 12:10:37,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:10:37,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:10:37,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:10:37,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:10:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:10:37,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:10:37,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 12:10:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:10:37,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:10:37,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:10:37,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:10:37,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:10:37,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:10:37,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:10:37,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:10:37,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:10:37,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:10:37,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:10:37,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:10:37,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 12:10:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:10:37,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:10:37,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:10:37,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:10:37,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:10:37,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 12:10:37,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:10:37,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:10:37,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:10:37,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 12:10:37,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:10:37,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:10:37,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:10:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:10:37,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:10:37,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:10:37,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:10:37,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:10:37,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:10:37,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:10:37,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:10:37,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:10:37,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:10:37,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:10:37,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:10:37,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 12:10:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:10:37,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:10:37,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:10:37,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:10:37,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:10:37,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 12:10:37,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:10:37,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:10:37,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:10:37,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 12:10:37,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:10:37,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:10:37,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:10:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:10:37,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:10:37,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:10:37,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:10:37,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:10:37,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:10:37,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:10:37,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:10:37,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:10:37,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:10:37,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:10:37,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:10:37,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:10:37,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [700558882] [2020-10-14 12:10:37,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:10:37,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 12:10:37,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427869665] [2020-10-14 12:10:37,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 12:10:37,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:10:37,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 12:10:37,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 12:10:37,627 INFO L87 Difference]: Start difference. First operand 3061 states and 3953 transitions. Second operand 8 states. [2020-10-14 12:11:09,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:11:09,676 INFO L93 Difference]: Finished difference Result 7232 states and 9809 transitions. [2020-10-14 12:11:09,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 12:11:09,678 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 81 [2020-10-14 12:11:09,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:11:09,703 INFO L225 Difference]: With dead ends: 7232 [2020-10-14 12:11:09,704 INFO L226 Difference]: Without dead ends: 4299 [2020-10-14 12:11:09,716 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-10-14 12:11:09,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4299 states. [2020-10-14 12:11:10,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4299 to 3065. [2020-10-14 12:11:10,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3065 states. [2020-10-14 12:11:10,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3065 states to 3065 states and 3958 transitions. [2020-10-14 12:11:10,212 INFO L78 Accepts]: Start accepts. Automaton has 3065 states and 3958 transitions. Word has length 81 [2020-10-14 12:11:10,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:11:10,212 INFO L479 AbstractCegarLoop]: Abstraction has 3065 states and 3958 transitions. [2020-10-14 12:11:10,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 12:11:10,212 INFO L276 IsEmpty]: Start isEmpty. Operand 3065 states and 3958 transitions. [2020-10-14 12:11:10,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-14 12:11:10,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:11:10,216 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:11:10,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 12:11:10,216 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:11:10,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:11:10,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1909335874, now seen corresponding path program 1 times [2020-10-14 12:11:10,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:11:10,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016921224] [2020-10-14 12:11:10,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:11:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:11:10,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:11:10,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:11:11,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:11:15,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:11:15,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 12:11:15,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 12:11:15,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5065 [2020-10-14 12:11:15,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:11:15,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:11:15,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:11:15,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:11:15,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 12:11:15,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:11:15,909 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-14 12:11:15,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:11:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:11:15,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:11:16,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:11:16,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:11:16,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:11:16,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-14 12:11:16,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:11:16,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:11:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:11:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:11:16,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 12:11:16,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:11:16,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:11:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:11:16,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:11:16,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:11:16,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:11:16,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:11:16,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:11:16,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:11:16,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:11:16,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:11:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:11:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 12:11:16,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:11:16,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:11:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:11:16,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:11:16,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:11:16,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 12:11:16,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:11:16,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 12:11:16,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:11:16,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:11:16,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:11:16,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 12:11:16,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 12:11:16,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:11:16,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 12:11:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:11:16,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:11:16,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:11:16,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:11:16,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:11:16,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:11:16,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:11:16,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:11:16,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:11:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:11:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:11:16,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:11:16,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 12:11:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:11:16,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:11:16,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:11:16,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:11:16,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:11:16,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:11:16,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:11:16,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:11:16,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:11:16,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:11:16,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:11:16,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:11:16,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 12:11:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:11:16,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:11:16,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:11:16,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:11:16,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:11:16,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:11:16,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:11:16,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:11:16,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:11:16,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:11:16,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:11:16,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:11:16,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 12:11:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:11:16,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:11:16,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:11:16,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:11:16,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:11:16,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:11:16,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:11:16,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:11:16,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:11:16,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 12:11:16,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:11:16,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:11:16,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:11:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:11:16,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:11:16,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:11:16,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:11:16,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:11:16,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:11:16,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:11:16,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:11:16,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:11:16,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:11:16,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:11:16,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:11:16,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 12:11:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:11:16,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:11:16,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:11:16,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:11:16,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:11:16,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 12:11:16,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:11:16,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:11:16,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:11:16,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 12:11:16,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:11:16,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:11:16,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:11:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:11:16,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:11:16,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:11:16,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:11:16,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:11:16,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:11:16,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:11:16,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:11:16,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:11:16,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:11:16,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:11:16,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:11:16,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:11:16,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016921224] [2020-10-14 12:11:16,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:11:16,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 12:11:16,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684019737] [2020-10-14 12:11:16,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 12:11:16,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:11:16,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 12:11:16,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 12:11:16,498 INFO L87 Difference]: Start difference. First operand 3065 states and 3958 transitions. Second operand 8 states. [2020-10-14 12:11:18,070 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-14 12:11:53,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:11:53,735 INFO L93 Difference]: Finished difference Result 7231 states and 9735 transitions. [2020-10-14 12:11:53,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 12:11:53,736 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 81 [2020-10-14 12:11:53,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:11:53,757 INFO L225 Difference]: With dead ends: 7231 [2020-10-14 12:11:53,758 INFO L226 Difference]: Without dead ends: 4190 [2020-10-14 12:11:53,770 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-14 12:11:53,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4190 states. [2020-10-14 12:11:54,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4190 to 3062. [2020-10-14 12:11:54,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3062 states. [2020-10-14 12:11:54,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 3952 transitions. [2020-10-14 12:11:54,293 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 3952 transitions. Word has length 81 [2020-10-14 12:11:54,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:11:54,293 INFO L479 AbstractCegarLoop]: Abstraction has 3062 states and 3952 transitions. [2020-10-14 12:11:54,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 12:11:54,293 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 3952 transitions. [2020-10-14 12:11:54,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-14 12:11:54,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:11:54,296 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:11:54,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 12:11:54,297 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:11:54,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:11:54,297 INFO L82 PathProgramCache]: Analyzing trace with hash 453985798, now seen corresponding path program 1 times [2020-10-14 12:11:54,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:11:54,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648689313] [2020-10-14 12:11:54,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:11:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:11:54,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:11:54,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking...