./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-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc --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 00e024fc1f0b82ae7f67f2e1fbd5ae99cfcf89e3f63aef822e2243882f82daf0 --- 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-5e519f3 [2022-11-02 20:34:05,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:34:05,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:34:05,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:34:05,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:34:05,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:34:05,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:34:05,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:34:05,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:34:05,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:34:05,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:34:05,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:34:05,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:34:05,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:34:05,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:34:05,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:34:05,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:34:05,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:34:05,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:34:05,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:34:05,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:34:05,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:34:05,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:34:05,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:34:05,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:34:05,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:34:05,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:34:05,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:34:05,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:34:05,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:34:05,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:34:05,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:34:05,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:34:05,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:34:05,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:34:05,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:34:05,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:34:05,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:34:05,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:34:05,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:34:05,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:34:05,412 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:34:05,432 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:34:05,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:34:05,433 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:34:05,433 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:34:05,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:34:05,434 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:34:05,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:34:05,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:34:05,435 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:34:05,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:34:05,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:34:05,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:34:05,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:34:05,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:34:05,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:34:05,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:34:05,436 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:34:05,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:34:05,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:34:05,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:34:05,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:34:05,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:34:05,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:34:05,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:34:05,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:34:05,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:34:05,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:34:05,438 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:34:05,439 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:34:05,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:34:05,439 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_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00e024fc1f0b82ae7f67f2e1fbd5ae99cfcf89e3f63aef822e2243882f82daf0 [2022-11-02 20:34:05,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:34:05,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:34:05,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:34:05,731 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:34:05,732 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:34:05,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2022-11-02 20:34:05,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc/data/8c43f343d/1cff186a2b9348748b3ce41fea521f50/FLAG58654627a [2022-11-02 20:34:06,481 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:34:06,482 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2022-11-02 20:34:06,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc/data/8c43f343d/1cff186a2b9348748b3ce41fea521f50/FLAG58654627a [2022-11-02 20:34:06,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc/data/8c43f343d/1cff186a2b9348748b3ce41fea521f50 [2022-11-02 20:34:06,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:34:06,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:34:06,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:34:06,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:34:06,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:34:06,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:34:06" (1/1) ... [2022-11-02 20:34:06,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d3ac7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:06, skipping insertion in model container [2022-11-02 20:34:06,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:34:06" (1/1) ... [2022-11-02 20:34:06,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:34:06,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:34:07,441 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_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2022-11-02 20:34:07,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:34:07,532 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:34:07,718 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_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2022-11-02 20:34:07,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:34:07,765 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:34:07,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:07 WrapperNode [2022-11-02 20:34:07,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:34:07,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:34:07,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:34:07,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:34:07,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:07" (1/1) ... [2022-11-02 20:34:07,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:07" (1/1) ... [2022-11-02 20:34:07,861 INFO L138 Inliner]: procedures = 77, calls = 159, calls flagged for inlining = 31, calls inlined = 27, statements flattened = 435 [2022-11-02 20:34:07,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:34:07,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:34:07,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:34:07,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:34:07,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:07" (1/1) ... [2022-11-02 20:34:07,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:07" (1/1) ... [2022-11-02 20:34:07,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:07" (1/1) ... [2022-11-02 20:34:07,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:07" (1/1) ... [2022-11-02 20:34:07,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:07" (1/1) ... [2022-11-02 20:34:07,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:07" (1/1) ... [2022-11-02 20:34:07,925 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:07" (1/1) ... [2022-11-02 20:34:07,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:07" (1/1) ... [2022-11-02 20:34:07,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:34:07,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:34:07,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:34:07,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:34:07,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:07" (1/1) ... [2022-11-02 20:34:07,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:34:07,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:07,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:34:07,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:34:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:34:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:34:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:34:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:34:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:34:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:34:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:34:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure do_map_probe [2022-11-02 20:34:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure do_map_probe [2022-11-02 20:34:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:34:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:34:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2022-11-02 20:34:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2022-11-02 20:34:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:34:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-02 20:34:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-02 20:34:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:34:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:34:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:34:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:34:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-02 20:34:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-02 20:34:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:34:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:34:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-02 20:34:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-02 20:34:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:34:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:34:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-11-02 20:34:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-11-02 20:34:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:34:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:34:08,272 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:34:08,289 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:34:08,477 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:34:08,834 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:34:08,841 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:34:08,842 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:34:08,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:08 BoogieIcfgContainer [2022-11-02 20:34:08,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:34:08,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:34:08,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:34:08,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:34:08,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:34:06" (1/3) ... [2022-11-02 20:34:08,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667d68a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:34:08, skipping insertion in model container [2022-11-02 20:34:08,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:07" (2/3) ... [2022-11-02 20:34:08,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667d68a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:34:08, skipping insertion in model container [2022-11-02 20:34:08,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:08" (3/3) ... [2022-11-02 20:34:08,853 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2022-11-02 20:34:08,872 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:34:08,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:34:08,923 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:34:08,930 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;@27691348, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:34:08,930 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:34:08,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 95 states have (on average 1.2421052631578948) internal successors, (118), 99 states have internal predecessors, (118), 24 states have call successors, (24), 10 states have call predecessors, (24), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-02 20:34:08,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-02 20:34:08,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:08,943 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:34:08,944 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:08,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:08,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1680540957, now seen corresponding path program 1 times [2022-11-02 20:34:08,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:08,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248056972] [2022-11-02 20:34:08,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:08,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:09,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:34:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:09,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:09,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:09,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248056972] [2022-11-02 20:34:09,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248056972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:09,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:34:09,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:34:09,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821808121] [2022-11-02 20:34:09,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:09,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:34:09,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:09,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:34:09,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:34:09,386 INFO L87 Difference]: Start difference. First operand has 130 states, 95 states have (on average 1.2421052631578948) internal successors, (118), 99 states have internal predecessors, (118), 24 states have call successors, (24), 10 states have call predecessors, (24), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:34:09,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:09,466 INFO L93 Difference]: Finished difference Result 273 states and 358 transitions. [2022-11-02 20:34:09,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:34:09,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-02 20:34:09,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:09,478 INFO L225 Difference]: With dead ends: 273 [2022-11-02 20:34:09,478 INFO L226 Difference]: Without dead ends: 136 [2022-11-02 20:34:09,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:34:09,485 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 134 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:09,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 194 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:34:09,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-11-02 20:34:09,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2022-11-02 20:34:09,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 104 states have (on average 1.2115384615384615) internal successors, (126), 104 states have internal predecessors, (126), 22 states have call successors, (22), 10 states have call predecessors, (22), 9 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-11-02 20:34:09,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 169 transitions. [2022-11-02 20:34:09,540 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 169 transitions. Word has length 20 [2022-11-02 20:34:09,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:09,541 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 169 transitions. [2022-11-02 20:34:09,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:34:09,541 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 169 transitions. [2022-11-02 20:34:09,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-02 20:34:09,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:09,544 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-02 20:34:09,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:34:09,544 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:09,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:09,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1835050372, now seen corresponding path program 1 times [2022-11-02 20:34:09,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:09,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603456411] [2022-11-02 20:34:09,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:09,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:09,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-02 20:34:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:09,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:34:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:09,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:34:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:09,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:34:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:09,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-02 20:34:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:09,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:34:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:09,746 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 20:34:09,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:09,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603456411] [2022-11-02 20:34:09,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603456411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:09,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:34:09,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:34:09,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838025780] [2022-11-02 20:34:09,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:09,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:34:09,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:09,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:34:09,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:34:09,750 INFO L87 Difference]: Start difference. First operand 136 states and 169 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-02 20:34:09,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:09,987 INFO L93 Difference]: Finished difference Result 154 states and 189 transitions. [2022-11-02 20:34:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:34:09,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2022-11-02 20:34:09,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:09,991 INFO L225 Difference]: With dead ends: 154 [2022-11-02 20:34:09,991 INFO L226 Difference]: Without dead ends: 149 [2022-11-02 20:34:09,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:34:09,993 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 155 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:09,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 241 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:34:09,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-11-02 20:34:10,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 136. [2022-11-02 20:34:10,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 104 states have (on average 1.2019230769230769) internal successors, (125), 104 states have internal predecessors, (125), 22 states have call successors, (22), 10 states have call predecessors, (22), 9 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-11-02 20:34:10,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 168 transitions. [2022-11-02 20:34:10,013 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 168 transitions. Word has length 48 [2022-11-02 20:34:10,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:10,014 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 168 transitions. [2022-11-02 20:34:10,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-02 20:34:10,014 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 168 transitions. [2022-11-02 20:34:10,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-02 20:34:10,015 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:10,016 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-02 20:34:10,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:34:10,016 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:10,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:10,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1777792070, now seen corresponding path program 1 times [2022-11-02 20:34:10,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:10,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245074555] [2022-11-02 20:34:10,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:10,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:10,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-02 20:34:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:10,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:34:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:10,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:34:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:10,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:34:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:10,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-02 20:34:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:10,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:34:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:10,257 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 20:34:10,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:10,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245074555] [2022-11-02 20:34:10,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245074555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:10,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:34:10,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:34:10,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434854614] [2022-11-02 20:34:10,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:10,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:34:10,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:10,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:34:10,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:34:10,261 INFO L87 Difference]: Start difference. First operand 136 states and 168 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 20:34:10,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:10,403 INFO L93 Difference]: Finished difference Result 144 states and 180 transitions. [2022-11-02 20:34:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:34:10,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2022-11-02 20:34:10,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:10,404 INFO L225 Difference]: With dead ends: 144 [2022-11-02 20:34:10,404 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:34:10,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:34:10,407 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 137 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:10,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 230 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:34:10,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:34:10,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:34:10,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:34:10,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:34:10,410 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2022-11-02 20:34:10,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:10,411 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:34:10,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 20:34:10,412 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:34:10,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:34:10,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:34:10,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:34:10,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:34:10,900 INFO L899 garLoopResultBuilder]: For program point iounmapEXIT(lines 3207 3209) no Hoare annotation was computed. [2022-11-02 20:34:10,901 INFO L902 garLoopResultBuilder]: At program point iounmapENTRY(lines 3207 3209) the Hoare annotation is: true [2022-11-02 20:34:10,901 INFO L899 garLoopResultBuilder]: For program point iounmapFINAL(lines 3207 3209) no Hoare annotation was computed. [2022-11-02 20:34:10,904 INFO L899 garLoopResultBuilder]: For program point L3202-1(line 3202) no Hoare annotation was computed. [2022-11-02 20:34:10,904 INFO L899 garLoopResultBuilder]: For program point do_map_probeEXIT(lines 3201 3203) no Hoare annotation was computed. [2022-11-02 20:34:10,907 INFO L895 garLoopResultBuilder]: At program point do_map_probeENTRY(lines 3201 3203) the Hoare annotation is: (or (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_retval_0~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-02 20:34:10,908 INFO L895 garLoopResultBuilder]: At program point L3202(line 3202) the Hoare annotation is: (or (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_retval_0~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-02 20:34:10,908 INFO L899 garLoopResultBuilder]: For program point do_map_probeFINAL(lines 3201 3203) no Hoare annotation was computed. [2022-11-02 20:34:10,908 INFO L899 garLoopResultBuilder]: For program point inlEXIT(lines 2761 2768) no Hoare annotation was computed. [2022-11-02 20:34:10,909 INFO L902 garLoopResultBuilder]: At program point inlENTRY(lines 2761 2768) the Hoare annotation is: true [2022-11-02 20:34:10,909 INFO L899 garLoopResultBuilder]: For program point inlFINAL(lines 2761 2768) no Hoare annotation was computed. [2022-11-02 20:34:10,909 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 2774 2776) the Hoare annotation is: true [2022-11-02 20:34:10,910 INFO L899 garLoopResultBuilder]: For program point L2775(line 2775) no Hoare annotation was computed. [2022-11-02 20:34:10,910 INFO L899 garLoopResultBuilder]: For program point L2775-2(lines 2774 2776) no Hoare annotation was computed. [2022-11-02 20:34:10,910 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 2774 2776) no Hoare annotation was computed. [2022-11-02 20:34:10,910 INFO L902 garLoopResultBuilder]: At program point outlENTRY(lines 2754 2760) the Hoare annotation is: true [2022-11-02 20:34:10,911 INFO L899 garLoopResultBuilder]: For program point outlEXIT(lines 2754 2760) no Hoare annotation was computed. [2022-11-02 20:34:10,911 INFO L899 garLoopResultBuilder]: For program point outlFINAL(lines 2754 2760) no Hoare annotation was computed. [2022-11-02 20:34:10,911 INFO L899 garLoopResultBuilder]: For program point L2784(lines 2784 2791) no Hoare annotation was computed. [2022-11-02 20:34:10,911 INFO L895 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 2777 2793) the Hoare annotation is: (or (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_retval_0~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-02 20:34:10,911 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 2777 2793) no Hoare annotation was computed. [2022-11-02 20:34:10,911 INFO L899 garLoopResultBuilder]: For program point L2789-1(line 2789) no Hoare annotation was computed. [2022-11-02 20:34:10,912 INFO L902 garLoopResultBuilder]: At program point L2789(line 2789) the Hoare annotation is: true [2022-11-02 20:34:10,912 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 2777 2793) no Hoare annotation was computed. [2022-11-02 20:34:10,912 INFO L899 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 3085 3091) no Hoare annotation was computed. [2022-11-02 20:34:10,912 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 3085 3091) the Hoare annotation is: true [2022-11-02 20:34:10,912 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3089) no Hoare annotation was computed. [2022-11-02 20:34:10,912 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 3085 3091) no Hoare annotation was computed. [2022-11-02 20:34:10,914 INFO L895 garLoopResultBuilder]: At program point L3248(line 3248) the Hoare annotation is: (or (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_retval_0~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-02 20:34:10,914 INFO L899 garLoopResultBuilder]: For program point pci_get_deviceEXIT(lines 3247 3249) no Hoare annotation was computed. [2022-11-02 20:34:10,915 INFO L899 garLoopResultBuilder]: For program point L3248-1(line 3248) no Hoare annotation was computed. [2022-11-02 20:34:10,921 INFO L895 garLoopResultBuilder]: At program point pci_get_deviceENTRY(lines 3247 3249) the Hoare annotation is: (or (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_retval_0~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-02 20:34:10,922 INFO L899 garLoopResultBuilder]: For program point pci_get_deviceFINAL(lines 3247 3249) no Hoare annotation was computed. [2022-11-02 20:34:10,922 INFO L902 garLoopResultBuilder]: At program point pci_dev_putENTRY(lines 3244 3246) the Hoare annotation is: true [2022-11-02 20:34:10,922 INFO L899 garLoopResultBuilder]: For program point pci_dev_putEXIT(lines 3244 3246) no Hoare annotation was computed. [2022-11-02 20:34:10,922 INFO L899 garLoopResultBuilder]: For program point pci_dev_putFINAL(lines 3244 3246) no Hoare annotation was computed. [2022-11-02 20:34:10,922 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 2846 2852) no Hoare annotation was computed. [2022-11-02 20:34:10,922 INFO L902 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 2846 2852) the Hoare annotation is: true [2022-11-02 20:34:10,923 INFO L899 garLoopResultBuilder]: For program point L3041(lines 3041 3072) no Hoare annotation was computed. [2022-11-02 20:34:10,923 INFO L902 garLoopResultBuilder]: At program point L3075(line 3075) the Hoare annotation is: true [2022-11-02 20:34:10,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:34:10,923 INFO L895 garLoopResultBuilder]: At program point L2877(lines 2871 2879) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,923 INFO L899 garLoopResultBuilder]: For program point L3043(lines 3043 3069) no Hoare annotation was computed. [2022-11-02 20:34:10,923 INFO L899 garLoopResultBuilder]: For program point L2961(lines 2961 2966) no Hoare annotation was computed. [2022-11-02 20:34:10,924 INFO L895 garLoopResultBuilder]: At program point L2895(lines 2889 2897) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,924 INFO L895 garLoopResultBuilder]: At program point L3242(lines 3241 3243) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,924 INFO L899 garLoopResultBuilder]: For program point L3044(line 3044) no Hoare annotation was computed. [2022-11-02 20:34:10,924 INFO L895 garLoopResultBuilder]: At program point L3077(lines 3033 3082) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,924 INFO L895 garLoopResultBuilder]: At program point L3226(lines 3225 3227) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,925 INFO L895 garLoopResultBuilder]: At program point L3061(lines 3033 3082) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2022-11-02 20:34:10,925 INFO L899 garLoopResultBuilder]: For program point L2929(lines 2929 2933) no Hoare annotation was computed. [2022-11-02 20:34:10,925 INFO L899 garLoopResultBuilder]: For program point L2929-2(lines 2920 2934) no Hoare annotation was computed. [2022-11-02 20:34:10,925 INFO L899 garLoopResultBuilder]: For program point L3045(lines 3045 3050) no Hoare annotation was computed. [2022-11-02 20:34:10,925 INFO L899 garLoopResultBuilder]: For program point L2979-1(line 2979) no Hoare annotation was computed. [2022-11-02 20:34:10,925 INFO L895 garLoopResultBuilder]: At program point L2979(line 2979) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,926 INFO L899 garLoopResultBuilder]: For program point L2963-1(line 2963) no Hoare annotation was computed. [2022-11-02 20:34:10,926 INFO L895 garLoopResultBuilder]: At program point L2930(line 2930) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,926 INFO L895 garLoopResultBuilder]: At program point L2963(line 2963) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,926 INFO L899 garLoopResultBuilder]: For program point L2930-1(line 2930) no Hoare annotation was computed. [2022-11-02 20:34:10,926 INFO L895 garLoopResultBuilder]: At program point L3211(lines 3210 3212) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,926 INFO L899 garLoopResultBuilder]: For program point L3013-1(line 3013) no Hoare annotation was computed. [2022-11-02 20:34:10,926 INFO L895 garLoopResultBuilder]: At program point L3013(line 3013) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,927 INFO L899 garLoopResultBuilder]: For program point L2931-1(line 2931) no Hoare annotation was computed. [2022-11-02 20:34:10,932 INFO L895 garLoopResultBuilder]: At program point L2931(line 2931) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,932 INFO L895 garLoopResultBuilder]: At program point L3014(lines 2942 3016) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,932 INFO L899 garLoopResultBuilder]: For program point L2981(lines 2981 2988) no Hoare annotation was computed. [2022-11-02 20:34:10,932 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:34:10,932 INFO L895 garLoopResultBuilder]: At program point L3196(lines 3195 3197) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,933 INFO L895 garLoopResultBuilder]: At program point L2734(lines 2730 2736) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,933 INFO L902 garLoopResultBuilder]: At program point L3081(lines 3029 3083) the Hoare annotation is: true [2022-11-02 20:34:10,933 INFO L895 garLoopResultBuilder]: At program point L2982(line 2982) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,933 INFO L895 garLoopResultBuilder]: At program point L2982-1(line 2982) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,933 INFO L895 garLoopResultBuilder]: At program point L3230(lines 3229 3231) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,934 INFO L895 garLoopResultBuilder]: At program point L2751(lines 2746 2753) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,934 INFO L895 garLoopResultBuilder]: At program point L3214(lines 3213 3215) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,934 INFO L899 garLoopResultBuilder]: For program point L2983(line 2983) no Hoare annotation was computed. [2022-11-02 20:34:10,934 INFO L895 garLoopResultBuilder]: At program point L3000(line 3000) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,934 INFO L899 garLoopResultBuilder]: For program point L3000-1(line 3000) no Hoare annotation was computed. [2022-11-02 20:34:10,934 INFO L895 garLoopResultBuilder]: At program point L2868(lines 2862 2870) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,935 INFO L899 garLoopResultBuilder]: For program point L2951-1(line 2951) no Hoare annotation was computed. [2022-11-02 20:34:10,935 INFO L895 garLoopResultBuilder]: At program point L2951(line 2951) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,935 INFO L895 garLoopResultBuilder]: At program point L3199(lines 3198 3200) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,935 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:34:10,935 INFO L899 garLoopResultBuilder]: For program point L3067(line 3067) no Hoare annotation was computed. [2022-11-02 20:34:10,935 INFO L899 garLoopResultBuilder]: For program point L3001(lines 3001 3005) no Hoare annotation was computed. [2022-11-02 20:34:10,936 INFO L899 garLoopResultBuilder]: For program point L3001-2(lines 2950 3015) no Hoare annotation was computed. [2022-11-02 20:34:10,936 INFO L895 garLoopResultBuilder]: At program point L2952(line 2952) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,936 INFO L899 garLoopResultBuilder]: For program point L2985-1(line 2985) no Hoare annotation was computed. [2022-11-02 20:34:10,936 INFO L895 garLoopResultBuilder]: At program point L2985(line 2985) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,936 INFO L895 garLoopResultBuilder]: At program point L2886(lines 2880 2888) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,936 INFO L899 garLoopResultBuilder]: For program point L2952-1(line 2952) no Hoare annotation was computed. [2022-11-02 20:34:10,937 INFO L902 garLoopResultBuilder]: At program point L3068(line 3068) the Hoare annotation is: true [2022-11-02 20:34:10,937 INFO L895 garLoopResultBuilder]: At program point L2936(lines 2911 2938) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,937 INFO L899 garLoopResultBuilder]: For program point L3052(line 3052) no Hoare annotation was computed. [2022-11-02 20:34:10,937 INFO L899 garLoopResultBuilder]: For program point L2953-1(lines 2950 3015) no Hoare annotation was computed. [2022-11-02 20:34:10,937 INFO L899 garLoopResultBuilder]: For program point L2920(lines 2920 2934) no Hoare annotation was computed. [2022-11-02 20:34:10,937 INFO L895 garLoopResultBuilder]: At program point L2953(line 2953) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,938 INFO L895 garLoopResultBuilder]: At program point L3234(lines 3233 3235) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,938 INFO L899 garLoopResultBuilder]: For program point L2970(lines 2970 2990) no Hoare annotation was computed. [2022-11-02 20:34:10,938 INFO L899 garLoopResultBuilder]: For program point L3003-1(line 3003) no Hoare annotation was computed. [2022-11-02 20:34:10,938 INFO L895 garLoopResultBuilder]: At program point L3003(line 3003) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,938 INFO L899 garLoopResultBuilder]: For program point L2970-2(lines 2970 2990) no Hoare annotation was computed. [2022-11-02 20:34:10,938 INFO L895 garLoopResultBuilder]: At program point L3218(lines 3217 3219) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,939 INFO L899 garLoopResultBuilder]: For program point L3053(lines 3053 3065) no Hoare annotation was computed. [2022-11-02 20:34:10,939 INFO L899 garLoopResultBuilder]: For program point L2922(lines 2922 2926) no Hoare annotation was computed. [2022-11-02 20:34:10,939 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:34:10,939 INFO L902 garLoopResultBuilder]: At program point L3187-1(lines 3184 3193) the Hoare annotation is: true [2022-11-02 20:34:10,939 INFO L899 garLoopResultBuilder]: For program point L3187(lines 3187 3190) no Hoare annotation was computed. [2022-11-02 20:34:10,939 INFO L895 garLoopResultBuilder]: At program point L3022(line 3022) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,939 INFO L899 garLoopResultBuilder]: For program point L3055(lines 3055 3058) no Hoare annotation was computed. [2022-11-02 20:34:10,940 INFO L895 garLoopResultBuilder]: At program point L2956(line 2956) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,940 INFO L899 garLoopResultBuilder]: For program point L3022-1(line 3022) no Hoare annotation was computed. [2022-11-02 20:34:10,940 INFO L899 garLoopResultBuilder]: For program point L3055-2(lines 3053 3064) no Hoare annotation was computed. [2022-11-02 20:34:10,940 INFO L899 garLoopResultBuilder]: For program point L2923-1(line 2923) no Hoare annotation was computed. [2022-11-02 20:34:10,940 INFO L899 garLoopResultBuilder]: For program point L2956-1(line 2956) no Hoare annotation was computed. [2022-11-02 20:34:10,940 INFO L895 garLoopResultBuilder]: At program point L2923(line 2923) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,941 INFO L899 garLoopResultBuilder]: For program point L3039(lines 3039 3076) no Hoare annotation was computed. [2022-11-02 20:34:10,941 INFO L895 garLoopResultBuilder]: At program point L3188(line 3188) the Hoare annotation is: false [2022-11-02 20:34:10,941 INFO L895 garLoopResultBuilder]: At program point L3023(lines 3017 3025) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,941 INFO L895 garLoopResultBuilder]: At program point L2924(line 2924) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,941 INFO L899 garLoopResultBuilder]: For program point L2924-1(line 2924) no Hoare annotation was computed. [2022-11-02 20:34:10,941 INFO L895 garLoopResultBuilder]: At program point L3238(lines 3237 3239) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,942 INFO L899 garLoopResultBuilder]: For program point L3205-1(line 3205) no Hoare annotation was computed. [2022-11-02 20:34:10,942 INFO L895 garLoopResultBuilder]: At program point L3205(line 3205) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,942 INFO L895 garLoopResultBuilder]: At program point L3205-2(lines 3204 3206) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,942 INFO L899 garLoopResultBuilder]: For program point L3040(line 3040) no Hoare annotation was computed. [2022-11-02 20:34:10,942 INFO L895 garLoopResultBuilder]: At program point L3222(lines 3221 3223) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,942 INFO L895 garLoopResultBuilder]: At program point L3255(lines 3254 3256) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,943 INFO L895 garLoopResultBuilder]: At program point L2743(lines 2739 2745) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,943 INFO L895 garLoopResultBuilder]: At program point L2727(lines 2724 2729) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-02 20:34:10,943 INFO L899 garLoopResultBuilder]: For program point L3074(line 3074) no Hoare annotation was computed. [2022-11-02 20:34:10,946 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-02 20:34:10,949 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:34:10,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:34:10 BoogieIcfgContainer [2022-11-02 20:34:10,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:34:10,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:34:10,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:34:10,973 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:34:10,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:08" (3/4) ... [2022-11-02 20:34:10,976 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:34:10,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure iounmap [2022-11-02 20:34:10,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-02 20:34:10,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure do_map_probe [2022-11-02 20:34:10,983 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-02 20:34:10,983 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_device [2022-11-02 20:34:10,983 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure inl [2022-11-02 20:34:10,983 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_dev_put [2022-11-02 20:34:10,983 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-11-02 20:34:10,983 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-02 20:34:10,984 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outl [2022-11-02 20:34:11,000 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2022-11-02 20:34:11,001 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-02 20:34:11,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-02 20:34:11,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:34:11,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:34:11,090 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:34:11,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:34:11,091 INFO L158 Benchmark]: Toolchain (without parser) took 4392.62ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 95.8MB in the beginning and 75.2MB in the end (delta: 20.6MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2022-11-02 20:34:11,092 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 81.8MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:34:11,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1066.44ms. Allocated memory is still 130.0MB. Free memory was 95.5MB in the beginning and 62.7MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-02 20:34:11,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.80ms. Allocated memory is still 130.0MB. Free memory was 62.7MB in the beginning and 58.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:34:11,093 INFO L158 Benchmark]: Boogie Preprocessor took 71.41ms. Allocated memory is still 130.0MB. Free memory was 58.5MB in the beginning and 55.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:34:11,093 INFO L158 Benchmark]: RCFGBuilder took 909.43ms. Allocated memory is still 130.0MB. Free memory was 55.0MB in the beginning and 73.9MB in the end (delta: -18.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-02 20:34:11,094 INFO L158 Benchmark]: TraceAbstraction took 2124.57ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 73.2MB in the beginning and 83.6MB in the end (delta: -10.4MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-11-02 20:34:11,094 INFO L158 Benchmark]: Witness Printer took 118.68ms. Allocated memory is still 178.3MB. Free memory was 83.6MB in the beginning and 75.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:34:11,096 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 81.8MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1066.44ms. Allocated memory is still 130.0MB. Free memory was 95.5MB in the beginning and 62.7MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.80ms. Allocated memory is still 130.0MB. Free memory was 62.7MB in the beginning and 58.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.41ms. Allocated memory is still 130.0MB. Free memory was 58.5MB in the beginning and 55.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 909.43ms. Allocated memory is still 130.0MB. Free memory was 55.0MB in the beginning and 73.9MB in the end (delta: -18.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2124.57ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 73.2MB in the beginning and 83.6MB in the end (delta: -10.4MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Witness Printer took 118.68ms. Allocated memory is still 178.3MB. Free memory was 83.6MB in the beginning and 75.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 3089]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 131 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 458 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 426 mSDsluCounter, 665 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 206 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 459 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 114 PreInvPairs, 164 NumberOfFragments, 528 HoareAnnotationTreeSize, 114 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 205 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 24/24 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3225]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2730]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3029]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3221]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 2871]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2942]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 3204]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2746]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3229]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2739]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3213]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 3217]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2862]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3195]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3198]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3017]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 2880]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3241]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3237]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 2724]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2911]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3210]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 2889]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3233]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 RESULT: Ultimate proved your program to be correct! [2022-11-02 20:34:11,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fc05dc5-fad3-4ef3-a9cb-ee1c3adaecaf/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE