/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-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 11:20:36,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 11:20:36,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 11:20:36,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 11:20:36,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 11:20:36,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 11:20:36,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 11:20:36,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 11:20:36,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 11:20:36,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 11:20:36,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 11:20:36,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 11:20:36,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 11:20:36,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 11:20:36,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 11:20:36,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 11:20:36,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 11:20:36,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 11:20:36,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 11:20:36,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 11:20:36,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 11:20:36,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 11:20:36,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 11:20:36,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 11:20:36,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 11:20:36,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 11:20:36,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 11:20:36,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 11:20:36,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 11:20:36,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 11:20:36,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 11:20:36,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 11:20:36,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 11:20:36,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 11:20:36,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 11:20:36,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 11:20:36,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 11:20:36,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 11:20:36,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 11:20:36,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 11:20:36,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 11:20:36,805 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-14 11:20:36,846 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 11:20:36,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 11:20:36,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 11:20:36,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 11:20:36,849 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 11:20:36,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 11:20:36,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 11:20:36,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 11:20:36,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 11:20:36,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 11:20:36,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 11:20:36,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 11:20:36,851 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 11:20:36,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 11:20:36,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 11:20:36,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 11:20:36,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 11:20:36,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 11:20:36,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 11:20:36,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 11:20:36,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 11:20:36,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 11:20:36,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 11:20:36,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 11:20:36,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 11:20:36,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 11:20:36,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 11:20:36,855 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 11:20:37,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 11:20:37,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 11:20:37,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 11:20:37,168 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 11:20:37,169 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 11:20:37,170 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2020-10-14 11:20:37,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/339f16a1c/a044b2dbeda743e2bcbe59ce55e7c42e/FLAG43a5b0f30 [2020-10-14 11:20:37,898 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 11:20:37,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2020-10-14 11:20:37,927 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/339f16a1c/a044b2dbeda743e2bcbe59ce55e7c42e/FLAG43a5b0f30 [2020-10-14 11:20:38,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/339f16a1c/a044b2dbeda743e2bcbe59ce55e7c42e [2020-10-14 11:20:38,135 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 11:20:38,137 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 11:20:38,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 11:20:38,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 11:20:38,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 11:20:38,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:20:38" (1/1) ... [2020-10-14 11:20:38,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4eb9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:38, skipping insertion in model container [2020-10-14 11:20:38,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:20:38" (1/1) ... [2020-10-14 11:20:38,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 11:20:38,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 11:20:39,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 11:20:39,357 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 11:20:39,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 11:20:39,827 INFO L208 MainTranslator]: Completed translation [2020-10-14 11:20:39,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:39 WrapperNode [2020-10-14 11:20:39,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 11:20:39,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 11:20:39,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 11:20:39,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 11:20:39,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:39" (1/1) ... [2020-10-14 11:20:39,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:39" (1/1) ... [2020-10-14 11:20:39,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:39" (1/1) ... [2020-10-14 11:20:39,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:39" (1/1) ... [2020-10-14 11:20:39,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:39" (1/1) ... [2020-10-14 11:20:39,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:39" (1/1) ... [2020-10-14 11:20:40,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:39" (1/1) ... [2020-10-14 11:20:40,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 11:20:40,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 11:20:40,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 11:20:40,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 11:20:40,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 11:20:40,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 11:20:40,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 11:20:40,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-14 11:20:40,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-14 11:20:40,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-14 11:20:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 11:20:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-14 11:20:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2020-10-14 11:20:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-14 11:20:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-14 11:20:40,123 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-14 11:20:40,123 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 11:20:40,123 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 11:20:40,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2020-10-14 11:20:40,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2020-10-14 11:20:40,123 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2020-10-14 11:20:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2020-10-14 11:20:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-14 11:20:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2020-10-14 11:20:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2020-10-14 11:20:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2020-10-14 11:20:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2020-10-14 11:20:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2020-10-14 11:20:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2020-10-14 11:20:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2020-10-14 11:20:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2020-10-14 11:20:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 11:20:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 11:20:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 11:20:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2020-10-14 11:20:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 11:20:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2020-10-14 11:20:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2020-10-14 11:20:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2020-10-14 11:20:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf [2020-10-14 11:20:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2020-10-14 11:20:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2020-10-14 11:20:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_find_single_vq [2020-10-14 11:20:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_done [2020-10-14 11:20:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure do_req [2020-10-14 11:20:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure do_virtblk_request [2020-10-14 11:20:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_prepare_flush [2020-10-14 11:20:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_id [2020-10-14 11:20:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_ioctl [2020-10-14 11:20:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_getgeo [2020-10-14 11:20:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2020-10-14 11:20:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_probe [2020-10-14 11:20:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2020-10-14 11:20:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-14 11:20:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure fini [2020-10-14 11:20:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 11:20:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-10-14 11:20:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-14 11:20:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-14 11:20:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request_5 [2020-10-14 11:20:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 11:20:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 11:20:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-14 11:20:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-14 11:20:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-14 11:20:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-14 11:20:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR___0 [2020-10-14 11:20:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_blk_rq [2020-10-14 11:20:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_blk_rq [2020-10-14 11:20:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 11:20:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2020-10-14 11:20:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-14 11:20:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-14 11:20:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-10-14 11:20:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-14 11:20:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-14 11:20:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-14 11:20:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-14 11:20:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2020-10-14 11:20:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2020-10-14 11:20:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_map_kern [2020-10-14 11:20:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2020-10-14 11:20:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2020-10-14 11:20:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq [2020-10-14 11:20:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2020-10-14 11:20:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_make_request [2020-10-14 11:20:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_peek_request [2020-10-14 11:20:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_alignment_offset [2020-10-14 11:20:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_bounce_limit [2020-10-14 11:20:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_min [2020-10-14 11:20:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_opt [2020-10-14 11:20:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2020-10-14 11:20:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2020-10-14 11:20:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2020-10-14 11:20:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segments [2020-10-14 11:20:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2020-10-14 11:20:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_physical_block_size [2020-10-14 11:20:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_sg [2020-10-14 11:20:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2020-10-14 11:20:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_request [2020-10-14 11:20:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2020-10-14 11:20:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-10-14 11:20:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2020-10-14 11:20:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-14 11:20:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 11:20:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-14 11:20:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2020-10-14 11:20:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2020-10-14 11:20:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2020-10-14 11:20:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2020-10-14 11:20:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2020-10-14 11:20:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-14 11:20:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2020-10-14 11:20:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2020-10-14 11:20:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure register_virtio_driver [2020-10-14 11:20:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2020-10-14 11:20:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure set_disk_ro [2020-10-14 11:20:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2020-10-14 11:20:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2020-10-14 11:20:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_virtio_driver [2020-10-14 11:20:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_check_driver_offered_feature [2020-10-14 11:20:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf_gfp [2020-10-14 11:20:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_get_buf [2020-10-14 11:20:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_kick [2020-10-14 11:20:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 11:20:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 11:20:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 11:20:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-14 11:20:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-14 11:20:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-14 11:20:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-10-14 11:20:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2020-10-14 11:20:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-10-14 11:20:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-14 11:20:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-14 11:20:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-14 11:20:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 11:20:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-14 11:20:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-14 11:20:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 11:20:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-14 11:20:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-14 11:20:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2020-10-14 11:20:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-14 11:20:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-14 11:20:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-14 11:20:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 11:20:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 11:20:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-10-14 11:20:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2020-10-14 11:20:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2020-10-14 11:20:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-14 11:20:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2020-10-14 11:20:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2020-10-14 11:20:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2020-10-14 11:20:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2020-10-14 11:20:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure set_disk_ro [2020-10-14 11:20:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2020-10-14 11:20:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 11:20:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2020-10-14 11:20:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 11:20:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-14 11:20:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-14 11:20:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-14 11:20:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-14 11:20:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2020-10-14 11:20:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2020-10-14 11:20:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2020-10-14 11:20:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2020-10-14 11:20:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kmalloc [2020-10-14 11:20:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kfree [2020-10-14 11:20:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2020-10-14 11:20:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2020-10-14 11:20:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure bio_map_kern [2020-10-14 11:20:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2020-10-14 11:20:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure blk_make_request [2020-10-14 11:20:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request_5 [2020-10-14 11:20:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2020-10-14 11:20:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2020-10-14 11:20:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2020-10-14 11:20:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2020-10-14 11:20:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2020-10-14 11:20:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure blk_peek_request [2020-10-14 11:20:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_request [2020-10-14 11:20:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2020-10-14 11:20:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2020-10-14 11:20:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2020-10-14 11:20:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2020-10-14 11:20:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2020-10-14 11:20:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2020-10-14 11:20:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2020-10-14 11:20:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2020-10-14 11:20:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_physical_block_size [2020-10-14 11:20:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_alignment_offset [2020-10-14 11:20:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_min [2020-10-14 11:20:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_opt [2020-10-14 11:20:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2020-10-14 11:20:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2020-10-14 11:20:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2020-10-14 11:20:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_blk_rq [2020-10-14 11:20:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-14 11:20:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-14 11:20:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-14 11:20:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 11:20:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2020-10-14 11:20:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 11:20:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-14 11:20:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2020-10-14 11:20:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2020-10-14 11:20:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2020-10-14 11:20:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 11:20:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 11:20:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 11:20:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 11:20:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 11:20:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 11:20:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 11:20:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2020-10-14 11:20:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2020-10-14 11:20:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 11:20:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2020-10-14 11:20:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2020-10-14 11:20:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2020-10-14 11:20:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2020-10-14 11:20:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf_gfp [2020-10-14 11:20:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf [2020-10-14 11:20:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_kick [2020-10-14 11:20:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_get_buf [2020-10-14 11:20:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure register_virtio_driver [2020-10-14 11:20:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_virtio_driver [2020-10-14 11:20:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_check_driver_offered_feature [2020-10-14 11:20:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2020-10-14 11:20:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2020-10-14 11:20:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-14 11:20:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_find_single_vq [2020-10-14 11:20:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-14 11:20:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 11:20:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure blk_done [2020-10-14 11:20:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure do_req [2020-10-14 11:20:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure do_virtblk_request [2020-10-14 11:20:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_prepare_flush [2020-10-14 11:20:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_id [2020-10-14 11:20:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_ioctl [2020-10-14 11:20:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_getgeo [2020-10-14 11:20:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2020-10-14 11:20:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_probe [2020-10-14 11:20:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 11:20:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2020-10-14 11:20:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-14 11:20:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure fini [2020-10-14 11:20:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 11:20:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 11:20:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-14 11:20:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 11:20:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 11:20:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-14 11:20:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR___0 [2020-10-14 11:20:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_blk_rq [2020-10-14 11:20:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 11:20:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 11:20:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 11:20:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 11:20:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 11:20:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 11:20:41,989 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 11:20:41,990 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 11:20:42,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:20:42 BoogieIcfgContainer [2020-10-14 11:20:42,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 11:20:42,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 11:20:42,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 11:20:42,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 11:20:42,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:20:38" (1/3) ... [2020-10-14 11:20:42,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46199f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:20:42, skipping insertion in model container [2020-10-14 11:20:42,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:20:39" (2/3) ... [2020-10-14 11:20:42,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46199f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:20:42, skipping insertion in model container [2020-10-14 11:20:42,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:20:42" (3/3) ... [2020-10-14 11:20:42,019 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2020-10-14 11:20:42,075 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 11:20:42,093 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 11:20:42,107 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 11:20:42,136 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 11:20:42,136 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 11:20:42,136 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 11:20:42,136 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 11:20:42,136 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 11:20:42,136 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 11:20:42,136 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 11:20:42,137 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 11:20:42,183 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states. [2020-10-14 11:20:42,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-14 11:20:42,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:20:42,193 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] [2020-10-14 11:20:42,193 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:20:42,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:20:42,199 INFO L82 PathProgramCache]: Analyzing trace with hash -446466843, now seen corresponding path program 1 times [2020-10-14 11:20:42,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:20:42,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [501222660] [2020-10-14 11:20:42,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:20:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:42,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:43,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:43,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 11:20:43,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:43,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 589 [2020-10-14 11:20:43,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:43,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:43,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 11:20:43,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 11:20:43,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 11:20:43,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 11:20:43,294 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-14 11:20:43,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:20:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:43,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:43,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:43,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:20:43,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:43,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 11:20:43,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:43,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:43,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:20:43,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:43,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:20:43,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:43,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:20:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:43,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:43,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:43,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:20:43,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:43,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 11:20:43,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:43,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:43,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:20:43,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:43,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 11:20:43,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:43,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 11:20:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:43,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:43,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:43,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:20:43,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:43,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 11:20:43,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:43,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:43,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:20:43,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:43,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 11:20:43,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:43,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 11:20:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:43,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:43,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:43,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:20:43,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:43,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 11:20:43,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:43,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:43,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:20:43,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:43,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 11:20:43,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:43,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:20:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:43,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:43,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:43,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:20:43,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:43,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:20:43,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:43,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:43,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:43,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:43,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:43,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:20:43,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [501222660] [2020-10-14 11:20:43,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:20:43,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:20:43,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132268847] [2020-10-14 11:20:43,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:20:43,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:20:43,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:20:43,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:20:43,602 INFO L87 Difference]: Start difference. First operand 807 states. Second operand 5 states. [2020-10-14 11:20:43,798 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-14 11:20:45,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:20:45,976 INFO L93 Difference]: Finished difference Result 643 states and 789 transitions. [2020-10-14 11:20:45,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 11:20:45,981 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-14 11:20:45,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:20:45,998 INFO L225 Difference]: With dead ends: 643 [2020-10-14 11:20:45,998 INFO L226 Difference]: Without dead ends: 424 [2020-10-14 11:20:46,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:20:46,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-10-14 11:20:46,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 387. [2020-10-14 11:20:46,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-10-14 11:20:46,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 448 transitions. [2020-10-14 11:20:46,152 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 448 transitions. Word has length 28 [2020-10-14 11:20:46,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:20:46,153 INFO L479 AbstractCegarLoop]: Abstraction has 387 states and 448 transitions. [2020-10-14 11:20:46,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:20:46,153 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 448 transitions. [2020-10-14 11:20:46,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-14 11:20:46,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:20:46,162 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:20:46,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 11:20:46,163 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:20:46,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:20:46,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1566940655, now seen corresponding path program 1 times [2020-10-14 11:20:46,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:20:46,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764003473] [2020-10-14 11:20:46,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:20:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:46,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:46,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:46,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-14 11:20:46,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:46,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 623 [2020-10-14 11:20:46,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:46,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:46,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 11:20:46,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-14 11:20:46,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 11:20:46,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,085 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-14 11:20:47,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:20:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:20:47,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 11:20:47,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:20:47,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:20:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:20:47,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:20:47,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:20:47,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 11:20:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:20:47,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:20:47,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:20:47,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 11:20:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:20:47,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 11:20:47,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 11:20:47,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 11:20:47,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:20:47,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:20:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:20:47,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 11:20:47,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:20:47,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 11:20:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:20:47,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 11:20:47,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 11:20:47,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:20:47,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 11:20:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-14 11:20:47,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 11:20:47,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-14 11:20:47,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 11:20:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 11:20:47,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 11:20:47,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:20:47,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:20:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:20:47,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 11:20:47,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:20:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:20:47,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 11:20:47,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 11:20:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:20:47,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 11:20:47,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:20:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:20:47,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:20:47,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 11:20:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 11:20:47,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 11:20:47,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:20:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:20:47,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 11:20:47,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:20:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:20:47,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 11:20:47,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 11:20:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 11:20:47,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 11:20:47,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 11:20:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:20:47,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 11:20:47,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:20:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:20:47,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 11:20:47,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 11:20:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:20:47,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:20:47,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 11:20:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:20:47,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 11:20:47,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 11:20:47,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-14 11:20:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 11:20:47,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 11:20:47,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 11:20:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:20:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:20:47,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 11:20:47,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 11:20:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:20:47,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:20:47,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:20:47,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:20:47,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:20:47,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:20:47,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:20:47,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:20:47,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:20:47,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:20:47,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:20:47,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:20:47,962 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-14 11:20:47,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764003473] [2020-10-14 11:20:47,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:20:47,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 11:20:47,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855218365] [2020-10-14 11:20:47,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 11:20:47,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:20:47,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 11:20:47,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-14 11:20:47,966 INFO L87 Difference]: Start difference. First operand 387 states and 448 transitions. Second operand 11 states. [2020-10-14 11:20:50,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:20:50,192 INFO L93 Difference]: Finished difference Result 838 states and 1008 transitions. [2020-10-14 11:20:50,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 11:20:50,192 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 125 [2020-10-14 11:20:50,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:20:50,198 INFO L225 Difference]: With dead ends: 838 [2020-10-14 11:20:50,199 INFO L226 Difference]: Without dead ends: 474 [2020-10-14 11:20:50,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2020-10-14 11:20:50,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-10-14 11:20:50,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 384. [2020-10-14 11:20:50,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-10-14 11:20:50,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 443 transitions. [2020-10-14 11:20:50,296 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 443 transitions. Word has length 125 [2020-10-14 11:20:50,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:20:50,296 INFO L479 AbstractCegarLoop]: Abstraction has 384 states and 443 transitions. [2020-10-14 11:20:50,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 11:20:50,296 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 443 transitions. [2020-10-14 11:20:50,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-14 11:20:50,306 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:20:50,307 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:20:50,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 11:20:50,307 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:20:50,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:20:50,308 INFO L82 PathProgramCache]: Analyzing trace with hash 458759795, now seen corresponding path program 1 times [2020-10-14 11:20:50,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:20:50,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [93250867] [2020-10-14 11:20:50,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:20:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 11:20:50,434 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 11:20:50,435 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 11:20:50,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 11:20:50,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:20:50 BoogieIcfgContainer [2020-10-14 11:20:50,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 11:20:50,482 INFO L168 Benchmark]: Toolchain (without parser) took 12343.39 ms. Allocated memory was 145.8 MB in the beginning and 457.2 MB in the end (delta: 311.4 MB). Free memory was 95.5 MB in the beginning and 201.5 MB in the end (delta: -105.9 MB). Peak memory consumption was 205.5 MB. Max. memory is 7.1 GB. [2020-10-14 11:20:50,484 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 11:20:50,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1690.14 ms. Allocated memory was 145.8 MB in the beginning and 238.6 MB in the end (delta: 92.8 MB). Free memory was 95.5 MB in the beginning and 194.4 MB in the end (delta: -98.8 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. [2020-10-14 11:20:50,486 INFO L168 Benchmark]: Boogie Preprocessor took 201.26 ms. Allocated memory is still 238.6 MB. Free memory was 194.4 MB in the beginning and 183.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-10-14 11:20:50,488 INFO L168 Benchmark]: RCFGBuilder took 1978.09 ms. Allocated memory was 238.6 MB in the beginning and 260.0 MB in the end (delta: 21.5 MB). Free memory was 183.7 MB in the beginning and 80.2 MB in the end (delta: 103.5 MB). Peak memory consumption was 125.0 MB. Max. memory is 7.1 GB. [2020-10-14 11:20:50,494 INFO L168 Benchmark]: TraceAbstraction took 8468.67 ms. Allocated memory was 260.0 MB in the beginning and 457.2 MB in the end (delta: 197.1 MB). Free memory was 79.3 MB in the beginning and 201.5 MB in the end (delta: -122.2 MB). Peak memory consumption was 75.0 MB. Max. memory is 7.1 GB. [2020-10-14 11:20:50,505 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1690.14 ms. Allocated memory was 145.8 MB in the beginning and 238.6 MB in the end (delta: 92.8 MB). Free memory was 95.5 MB in the beginning and 194.4 MB in the end (delta: -98.8 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 201.26 ms. Allocated memory is still 238.6 MB. Free memory was 194.4 MB in the beginning and 183.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1978.09 ms. Allocated memory was 238.6 MB in the beginning and 260.0 MB in the end (delta: 21.5 MB). Free memory was 183.7 MB in the beginning and 80.2 MB in the end (delta: 103.5 MB). Peak memory consumption was 125.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8468.67 ms. Allocated memory was 260.0 MB in the beginning and 457.2 MB in the end (delta: 197.1 MB). Free memory was 79.3 MB in the beginning and 201.5 MB in the end (delta: -122.2 MB). Peak memory consumption was 75.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4284]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 4174. Possible FailurePath: [L3637] static int major ; [L3638] static int index ; [L3963-L3964] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4162-L4163] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4164-L4167] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4168-L4169] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4191] struct virtio_device_id const __mod_virtio_device_table ; [L4196] int LDV_IN_INTERRUPT ; [L4337] int ldv_blk_rq = 0; [L4199] struct block_device *var_group1 ; [L4200] fmode_t var_virtblk_ioctl_5_p1 ; [L4201] unsigned int var_virtblk_ioctl_5_p2 ; [L4202] unsigned long var_virtblk_ioctl_5_p3 ; [L4203] struct hd_geometry *var_group2 ; [L4204] int tmp ; [L4205] int tmp___0 ; [L4206] int tmp___1 ; [L4208] LDV_IN_INTERRUPT = 1 [L4209] FCALL ldv_initialize() [L4210] FCALL ldv_handler_precall() [L4211] CALL, EXPR init() [L4172] int tmp ; [L4174] CALL, EXPR register_blkdev(0U, "virtblk") [L4520] return __VERIFIER_nondet_int(); [L4174] RET, EXPR register_blkdev(0U, "virtblk") [L4174] major = register_blkdev(0U, "virtblk") [L4175] COND FALSE !(major < 0) [L4179] CALL, EXPR register_virtio_driver(& virtio_blk) [L4524] return __VERIFIER_nondet_int(); [L4179] RET, EXPR register_virtio_driver(& virtio_blk) [L4179] tmp = register_virtio_driver(& virtio_blk) [L4180] return (tmp); [L4211] RET, EXPR init() [L4211] tmp = init() [L4212] COND FALSE !(tmp != 0) [L4233] tmp___1 = __VERIFIER_nondet_int() [L4234] COND TRUE tmp___1 != 0 [L4218] tmp___0 = __VERIFIER_nondet_int() [L4220] case 0: [L4221] FCALL ldv_handler_precall() [L4222] CALL virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L3901] struct gendisk *disk ; [L3902] struct virtio_blk *vblk ; [L3903] void *usr_data ; [L3904] char id_str[20U] ; [L3905] int err ; [L3906] int tmp ; [L3907] bool tmp___0 ; [L3908] int tmp___1 ; [L3909] int tmp___2 ; [L3911] EXPR bdev->bd_disk [L3911] disk = bdev->bd_disk [L3912] EXPR disk->private_data [L3912] vblk = (struct virtio_blk *)disk->private_data [L3913] COND TRUE cmd == 1447184708U [L3914] usr_data = (void *)data [L3915] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3868] struct virtio_blk *vblk ; [L3869] struct request *req ; [L3870] struct bio *bio ; [L3871] long tmp ; [L3872] long tmp___0 ; [L3873] long tmp___1 ; [L3874] long tmp___2 ; [L3875] int tmp___3 ; [L3877] EXPR disk->private_data [L3877] vblk = (struct virtio_blk *)disk->private_data [L3878] EXPR vblk->disk [L3878] EXPR (vblk->disk)->queue [L3878] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4416] CALL, EXPR ldv_malloc(sizeof(struct bio)) [L3445] COND FALSE !(__VERIFIER_nondet_int()) [L3450] return ((void *)0); [L4416] RET, EXPR ldv_malloc(sizeof(struct bio)) [L4416] return ldv_malloc(sizeof(struct bio)); [L3878] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3878] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3879] CALL, EXPR IS_ERR((void const *)bio) [L4263] long tmp ; [L4265] CALL, EXPR ldv_is_err(ptr) [L4296] return ((unsigned long )ptr > 2012UL); [L4265] RET, EXPR ldv_is_err(ptr) [L4265] tmp = ldv_is_err(ptr) [L4266] return (tmp); [L3879] RET, EXPR IS_ERR((void const *)bio) [L3879] tmp___0 = IS_ERR((void const *)bio) [L3880] COND FALSE !(tmp___0 != 0L) [L3885] EXPR vblk->disk [L3885] EXPR (vblk->disk)->queue [L3885] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4272] ldv_func_ret_type___3 ldv_func_res ; [L4273] struct request *tmp ; [L4275] CALL, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4432] CALL, EXPR ldv_malloc(sizeof(struct request)) [L3445] COND FALSE !(__VERIFIER_nondet_int()) [L3450] return ((void *)0); [L4432] RET, EXPR ldv_malloc(sizeof(struct request)) [L4432] return ldv_malloc(sizeof(struct request)); [L4275] RET, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4275] tmp = blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4276] ldv_func_res = tmp [L4277] CALL ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4340] long tmp ; [L4342] COND TRUE ldv_blk_rq == 0 [L4346] COND TRUE (mask == 16U || mask == 208U) || mask == 16U [L4347] ldv_blk_rq = 1 [L4277] RET ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4278] return (ldv_func_res); [L3885] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3885] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3886] CALL, EXPR IS_ERR((void const *)req) [L4263] long tmp ; [L4265] CALL, EXPR ldv_is_err(ptr) [L4296] return ((unsigned long )ptr > 2012UL); [L4265] RET, EXPR ldv_is_err(ptr) [L4265] tmp = ldv_is_err(ptr) [L4266] return (tmp); [L3886] RET, EXPR IS_ERR((void const *)req) [L3886] tmp___2 = IS_ERR((void const *)req) [L3887] COND FALSE !(tmp___2 != 0L) [L3893] req->cmd_type = 7 [L3894] EXPR vblk->disk [L3894] EXPR (vblk->disk)->queue [L3894] EXPR vblk->disk [L3894] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4426] return __VERIFIER_nondet_int(); [L3894] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3894] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3895] return (tmp___3); [L3915] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3915] err = virtblk_get_id(disk, (char *)(& id_str)) [L3916] COND FALSE !(err == 0) [L3924] return (err); [L3924] return (err); [L4222] RET virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L4233] tmp___1 = __VERIFIER_nondet_int() [L4234] COND FALSE !(tmp___1 != 0) [L4238] FCALL ldv_handler_precall() [L4239] CALL fini() [L4186] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4187] FCALL unregister_virtio_driver(& virtio_blk) [L4239] RET fini() [L4241] CALL ldv_check_final_state() [L4374] COND FALSE !(ldv_blk_rq == 0) [L4376] CALL ldv_error() [L4284] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 120 procedures, 817 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.3s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 464 SDtfs, 785 SDslu, 367 SDs, 0 SdLazy, 1609 SolverSat, 518 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=807occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 127 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 283 NumberOfCodeBlocks, 283 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 44097 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 20/20 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...