./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1264b42ba0b5dcb83ee2e2b35dfcd5adbd8a3fb1fa3fff4328b672883ffa55c1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:12:06,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:12:06,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:12:06,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:12:06,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:12:06,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:12:06,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:12:06,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:12:06,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:12:06,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:12:06,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:12:06,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:12:06,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:12:06,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:12:06,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:12:06,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:12:06,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:12:06,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:12:06,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:12:06,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:12:06,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:12:06,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:12:06,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:12:06,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:12:06,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:12:06,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:12:06,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:12:06,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:12:06,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:12:06,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:12:06,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:12:06,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:12:06,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:12:06,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:12:06,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:12:06,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:12:06,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:12:06,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:12:06,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:12:06,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:12:06,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:12:06,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:12:06,676 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:12:06,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:12:06,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:12:06,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:12:06,678 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:12:06,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:12:06,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:12:06,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:12:06,680 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:12:06,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:12:06,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:12:06,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:12:06,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:12:06,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:12:06,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:12:06,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:12:06,683 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:12:06,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:12:06,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:12:06,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:12:06,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:12:06,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:12:06,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:12:06,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:12:06,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:12:06,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:12:06,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:12:06,685 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:12:06,686 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:12:06,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:12:06,686 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/bin/uautomizer-J5u9QxTXDZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1264b42ba0b5dcb83ee2e2b35dfcd5adbd8a3fb1fa3fff4328b672883ffa55c1 [2022-10-17 10:12:06,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:12:06,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:12:06,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:12:06,992 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:12:06,993 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:12:06,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2022-10-17 10:12:07,055 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/bin/uautomizer-J5u9QxTXDZ/data/ef7fc9b67/f30448638f7a4054829f078bc84dc978/FLAG1a955bcf4 [2022-10-17 10:12:07,915 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:12:07,916 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2022-10-17 10:12:07,957 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/bin/uautomizer-J5u9QxTXDZ/data/ef7fc9b67/f30448638f7a4054829f078bc84dc978/FLAG1a955bcf4 [2022-10-17 10:12:08,401 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/bin/uautomizer-J5u9QxTXDZ/data/ef7fc9b67/f30448638f7a4054829f078bc84dc978 [2022-10-17 10:12:08,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:12:08,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:12:08,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:12:08,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:12:08,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:12:08,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:12:08" (1/1) ... [2022-10-17 10:12:08,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e195fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:08, skipping insertion in model container [2022-10-17 10:12:08,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:12:08" (1/1) ... [2022-10-17 10:12:08,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:12:08,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:12:10,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i[237227,237240] [2022-10-17 10:12:10,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:12:10,670 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:12:11,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i[237227,237240] [2022-10-17 10:12:11,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:12:11,189 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:12:11,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11 WrapperNode [2022-10-17 10:12:11,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:12:11,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:12:11,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:12:11,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:12:11,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,466 INFO L138 Inliner]: procedures = 306, calls = 1743, calls flagged for inlining = 109, calls inlined = 100, statements flattened = 3808 [2022-10-17 10:12:11,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:12:11,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:12:11,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:12:11,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:12:11,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,708 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:12:11,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:12:11,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:12:11,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:12:11,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:12:11,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:12:11,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:12:11,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ed14e5-08e0-41b5-ac2a-a7bb89032806/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:12:11,850 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-10-17 10:12:11,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-10-17 10:12:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_memstick_host [2022-10-17 10:12:11,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_memstick_host [2022-10-17 10:12:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-17 10:12:11,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-17 10:12:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:12:11,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:12:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:12:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:12:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure msb_stop [2022-10-17 10:12:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_stop [2022-10-17 10:12:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_pba [2022-10-17 10:12:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_pba [2022-10-17 10:12:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-10-17 10:12:11,853 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-10-17 10:12:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:12:11,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:12:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2022-10-17 10:12:11,853 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2022-10-17 10:12:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-10-17 10:12:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-10-17 10:12:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-10-17 10:12:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-10-17 10:12:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 10:12:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 10:12:11,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:12:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:12:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure msb_switch_to_parallel [2022-10-17 10:12:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_switch_to_parallel [2022-10-17 10:12:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:12:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:12:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:12:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:12:11,855 INFO L130 BoogieDeclarations]: Found specification of procedure msb_validate_used_block_bitmap [2022-10-17 10:12:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_validate_used_block_bitmap [2022-10-17 10:12:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-17 10:12:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-17 10:12:11,856 INFO L130 BoogieDeclarations]: Found specification of procedure msb_verify_block [2022-10-17 10:12:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_verify_block [2022-10-17 10:12:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:12:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:12:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-10-17 10:12:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-10-17 10:12:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_msb_disk_lock [2022-10-17 10:12:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_msb_disk_lock [2022-10-17 10:12:11,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:12:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_write [2022-10-17 10:12:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_write [2022-10-17 10:12:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 10:12:11,858 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-10-17 10:12:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-10-17 10:12:11,859 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2022-10-17 10:12:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2022-10-17 10:12:11,859 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request [2022-10-17 10:12:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request [2022-10-17 10:12:11,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:12:11,861 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-10-17 10:12:11,861 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-10-17 10:12:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure msb_invalidate_reg_window [2022-10-17 10:12:11,862 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_invalidate_reg_window [2022-10-17 10:12:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure msb_io_work [2022-10-17 10:12:11,862 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_io_work [2022-10-17 10:12:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:12:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:12:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-10-17 10:12:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-10-17 10:12:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:12:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure msb_erase_block [2022-10-17 10:12:11,863 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_erase_block [2022-10-17 10:12:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:12:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2022-10-17 10:12:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2022-10-17 10:12:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure msb_data_clear [2022-10-17 10:12:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_data_clear [2022-10-17 10:12:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 10:12:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 10:12:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-10-17 10:12:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-10-17 10:12:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 10:12:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 10:12:11,866 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-17 10:12:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-17 10:12:11,866 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 10:12:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 10:12:11,866 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_bad_block_table [2022-10-17 10:12:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_bad_block_table [2022-10-17 10:12:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure msb_update_block [2022-10-17 10:12:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_update_block [2022-10-17 10:12:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_flush [2022-10-17 10:12:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_flush [2022-10-17 10:12:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2022-10-17 10:12:11,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2022-10-17 10:12:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-10-17 10:12:11,868 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-10-17 10:12:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2022-10-17 10:12:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2022-10-17 10:12:11,869 INFO L130 BoogieDeclarations]: Found specification of procedure msb_run_state_machine [2022-10-17 10:12:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_run_state_machine [2022-10-17 10:12:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure msb_sg_copy [2022-10-17 10:12:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_sg_copy [2022-10-17 10:12:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-10-17 10:12:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-10-17 10:12:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:12:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:12:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_zero_bit [2022-10-17 10:12:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_zero_bit [2022-10-17 10:12:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_memstick_host [2022-10-17 10:12:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_memstick_host [2022-10-17 10:12:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:12:11,872 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 10:12:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 10:12:11,872 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_lba [2022-10-17 10:12:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_lba [2022-10-17 10:12:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure msb_reset [2022-10-17 10:12:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_reset [2022-10-17 10:12:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2022-10-17 10:12:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2022-10-17 10:12:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2022-10-17 10:12:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2022-10-17 10:12:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:12:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:12:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-10-17 10:12:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-10-17 10:12:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure msb_bd_getgeo [2022-10-17 10:12:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_bd_getgeo [2022-10-17 10:12:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:12:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure msb_remove [2022-10-17 10:12:11,886 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_remove [2022-10-17 10:12:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:12:11,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:12:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-10-17 10:12:11,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-10-17 10:12:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_bad [2022-10-17 10:12:11,886 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_bad [2022-10-17 10:12:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:12:11,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:12:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:12:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2022-10-17 10:12:11,888 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2022-10-17 10:12:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 10:12:11,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 10:12:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:12:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2022-10-17 10:12:11,888 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2022-10-17 10:12:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:12:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_page [2022-10-17 10:12:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_page [2022-10-17 10:12:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-10-17 10:12:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-10-17 10:12:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2022-10-17 10:12:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2022-10-17 10:12:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure msb_set_overwrite_flag [2022-10-17 10:12:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_set_overwrite_flag [2022-10-17 10:12:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2022-10-17 10:12:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2022-10-17 10:12:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-10-17 10:12:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-10-17 10:12:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure msb_disk_release [2022-10-17 10:12:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_disk_release [2022-10-17 10:12:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_block_used [2022-10-17 10:12:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_block_used [2022-10-17 10:12:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_discard [2022-10-17 10:12:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_discard [2022-10-17 10:12:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:12:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:12:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure msb_start [2022-10-17 10:12:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_start [2022-10-17 10:12:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-17 10:12:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-17 10:12:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-10-17 10:12:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-10-17 10:12:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-10-17 10:12:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-10-17 10:12:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure msb_init_card [2022-10-17 10:12:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_init_card [2022-10-17 10:12:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2022-10-17 10:12:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2022-10-17 10:12:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 10:12:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 10:12:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:12:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2022-10-17 10:12:11,893 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2022-10-17 10:12:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-10-17 10:12:11,893 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-10-17 10:12:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_msb_disk_lock [2022-10-17 10:12:11,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_msb_disk_lock [2022-10-17 10:12:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:12:11,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:12:12,605 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:12:12,609 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:12:12,811 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:12:18,036 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:12:18,071 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:12:18,072 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:12:18,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:12:18 BoogieIcfgContainer [2022-10-17 10:12:18,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:12:18,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:12:18,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:12:18,084 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:12:18,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:12:08" (1/3) ... [2022-10-17 10:12:18,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d65c5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:12:18, skipping insertion in model container [2022-10-17 10:12:18,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (2/3) ... [2022-10-17 10:12:18,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d65c5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:12:18, skipping insertion in model container [2022-10-17 10:12:18,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:12:18" (3/3) ... [2022-10-17 10:12:18,087 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--memstick--core--ms_block.ko-entry_point.cil.out.i [2022-10-17 10:12:18,105 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:12:18,105 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:12:18,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:12:18,249 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7c8e4ce4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:12:18,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:12:18,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 1468 states, 1036 states have (on average 1.3793436293436294) internal successors, (1429), 1080 states have internal predecessors, (1429), 343 states have call successors, (343), 88 states have call predecessors, (343), 87 states have return successors, (337), 331 states have call predecessors, (337), 337 states have call successors, (337) [2022-10-17 10:12:18,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 10:12:18,274 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:12:18,275 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:12:18,275 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:12:18,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:12:18,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1635477223, now seen corresponding path program 1 times [2022-10-17 10:12:18,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:12:18,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495498475] [2022-10-17 10:12:18,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:12:18,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:12:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:18,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:12:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:18,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:12:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:18,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:12:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:18,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:12:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:18,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:12:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:18,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:12:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:18,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-17 10:12:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:12:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:19,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-17 10:12:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:19,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:12:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:19,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-17 10:12:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:19,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:12:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-17 10:12:19,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:12:19,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495498475] [2022-10-17 10:12:19,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495498475] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:12:19,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:12:19,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:12:19,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279514328] [2022-10-17 10:12:19,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:12:19,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:12:19,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:12:19,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:12:19,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:12:19,136 INFO L87 Difference]: Start difference. First operand has 1468 states, 1036 states have (on average 1.3793436293436294) internal successors, (1429), 1080 states have internal predecessors, (1429), 343 states have call successors, (343), 88 states have call predecessors, (343), 87 states have return successors, (337), 331 states have call predecessors, (337), 337 states have call successors, (337) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-17 10:12:23,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:12:23,092 INFO L93 Difference]: Finished difference Result 3245 states and 4865 transitions. [2022-10-17 10:12:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:12:23,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84 [2022-10-17 10:12:23,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:12:23,131 INFO L225 Difference]: With dead ends: 3245 [2022-10-17 10:12:23,131 INFO L226 Difference]: Without dead ends: 1755 [2022-10-17 10:12:23,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:12:23,152 INFO L413 NwaCegarLoop]: 1974 mSDtfsCounter, 1554 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 1497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1598 SdHoareTripleChecker+Valid, 3079 SdHoareTripleChecker+Invalid, 2430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1497 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-17 10:12:23,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1598 Valid, 3079 Invalid, 2430 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1497 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-17 10:12:23,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2022-10-17 10:12:23,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1443. [2022-10-17 10:12:23,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1443 states, 1019 states have (on average 1.3631010794896958) internal successors, (1389), 1055 states have internal predecessors, (1389), 337 states have call successors, (337), 87 states have call predecessors, (337), 86 states have return successors, (328), 322 states have call predecessors, (328), 328 states have call successors, (328) [2022-10-17 10:12:23,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 2054 transitions. [2022-10-17 10:12:23,412 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 2054 transitions. Word has length 84 [2022-10-17 10:12:23,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:12:23,413 INFO L495 AbstractCegarLoop]: Abstraction has 1443 states and 2054 transitions. [2022-10-17 10:12:23,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-17 10:12:23,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 2054 transitions. [2022-10-17 10:12:23,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 10:12:23,422 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:12:23,422 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:12:23,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:12:23,423 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:12:23,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:12:23,424 INFO L85 PathProgramCache]: Analyzing trace with hash 985351915, now seen corresponding path program 1 times [2022-10-17 10:12:23,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:12:23,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87232302] [2022-10-17 10:12:23,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:12:23,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:12:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:23,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:12:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:23,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:12:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:23,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:12:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:23,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:12:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:23,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:12:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:23,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:12:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:23,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-17 10:12:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:23,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:12:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:23,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-17 10:12:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:23,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:12:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:23,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-17 10:12:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:23,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:12:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:23,819 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-17 10:12:23,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:12:23,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87232302] [2022-10-17 10:12:23,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87232302] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:12:23,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:12:23,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:12:23,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419083945] [2022-10-17 10:12:23,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:12:23,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:12:23,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:12:23,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:12:23,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:12:23,836 INFO L87 Difference]: Start difference. First operand 1443 states and 2054 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-17 10:12:32,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:12:32,371 INFO L93 Difference]: Finished difference Result 4875 states and 7174 transitions. [2022-10-17 10:12:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:12:32,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 84 [2022-10-17 10:12:32,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:12:32,406 INFO L225 Difference]: With dead ends: 4875 [2022-10-17 10:12:32,406 INFO L226 Difference]: Without dead ends: 3452 [2022-10-17 10:12:32,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:12:32,418 INFO L413 NwaCegarLoop]: 2247 mSDtfsCounter, 3737 mSDsluCounter, 4160 mSDsCounter, 0 mSdLazyCounter, 3818 mSolverCounterSat, 2173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4003 SdHoareTripleChecker+Valid, 6407 SdHoareTripleChecker+Invalid, 5991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2173 IncrementalHoareTripleChecker+Valid, 3818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:12:32,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4003 Valid, 6407 Invalid, 5991 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2173 Valid, 3818 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-10-17 10:12:32,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3452 states. [2022-10-17 10:12:32,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3452 to 2809. [2022-10-17 10:12:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2809 states, 1987 states have (on average 1.3643683945646703) internal successors, (2711), 2053 states have internal predecessors, (2711), 651 states have call successors, (651), 171 states have call predecessors, (651), 170 states have return successors, (642), 628 states have call predecessors, (642), 642 states have call successors, (642) [2022-10-17 10:12:32,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 2809 states and 4004 transitions. [2022-10-17 10:12:32,639 INFO L78 Accepts]: Start accepts. Automaton has 2809 states and 4004 transitions. Word has length 84 [2022-10-17 10:12:32,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:12:32,640 INFO L495 AbstractCegarLoop]: Abstraction has 2809 states and 4004 transitions. [2022-10-17 10:12:32,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-17 10:12:32,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 4004 transitions. [2022-10-17 10:12:32,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 10:12:32,643 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:12:32,643 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:12:32,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:12:32,644 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:12:32,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:12:32,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1154429741, now seen corresponding path program 1 times [2022-10-17 10:12:32,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:12:32,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571713437] [2022-10-17 10:12:32,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:12:32,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:12:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:32,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:12:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:12:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:32,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:12:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:32,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:12:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:32,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:12:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:12:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:32,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-17 10:12:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:32,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:12:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:32,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-17 10:12:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:33,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:12:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:33,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-17 10:12:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:33,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:12:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-17 10:12:33,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:12:33,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571713437] [2022-10-17 10:12:33,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571713437] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:12:33,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:12:33,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:12:33,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028881224] [2022-10-17 10:12:33,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:12:33,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:12:33,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:12:33,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:12:33,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:12:33,037 INFO L87 Difference]: Start difference. First operand 2809 states and 4004 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8)