./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 --- 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 16:56:42,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:56:42,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:56:42,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:56:42,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:56:42,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:56:42,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:56:42,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:56:42,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:56:42,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:56:42,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:56:42,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:56:42,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:56:42,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:56:42,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:56:42,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:56:42,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:56:42,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:56:42,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:56:42,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:56:42,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:56:42,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:56:42,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:56:42,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:56:42,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:56:42,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:56:42,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:56:42,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:56:42,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:56:42,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:56:42,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:56:42,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:56:42,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:56:42,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:56:42,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:56:42,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:56:42,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:56:42,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:56:42,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:56:42,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:56:42,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:56:42,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:56:42,460 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:56:42,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:56:42,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:56:42,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:56:42,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:56:42,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:56:42,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:56:42,463 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:56:42,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:56:42,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:56:42,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:56:42,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:56:42,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:56:42,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:56:42,464 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:56:42,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:56:42,465 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:56:42,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:56:42,465 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:56:42,466 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:56:42,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:56:42,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:42,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:56:42,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:56:42,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:56:42,467 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:56:42,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:56:42,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:56:42,467 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_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 [2022-10-17 16:56:42,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:56:42,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:56:42,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:56:42,770 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:56:42,771 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:56:42,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2022-10-17 16:56:42,888 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/bin/ukojak-92XMlrwhuB/data/0885397a0/85204f29435e45b894ae30a31e42eef0/FLAG86ef95bca [2022-10-17 16:56:43,597 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:56:43,600 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2022-10-17 16:56:43,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/bin/ukojak-92XMlrwhuB/data/0885397a0/85204f29435e45b894ae30a31e42eef0/FLAG86ef95bca [2022-10-17 16:56:43,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/bin/ukojak-92XMlrwhuB/data/0885397a0/85204f29435e45b894ae30a31e42eef0 [2022-10-17 16:56:43,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:56:43,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:56:43,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:43,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:56:43,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:56:43,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:43" (1/1) ... [2022-10-17 16:56:43,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aea4e01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:43, skipping insertion in model container [2022-10-17 16:56:43,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:43" (1/1) ... [2022-10-17 16:56:43,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:56:43,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:56:44,326 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_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22665,22678] [2022-10-17 16:56:44,331 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_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22735,22748] [2022-10-17 16:56:44,332 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_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22799,22812] [2022-10-17 16:56:44,333 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_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22894,22907] [2022-10-17 16:56:44,334 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_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22966,22979] [2022-10-17 16:56:44,336 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_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23105,23118] [2022-10-17 16:56:44,337 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_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23179,23192] [2022-10-17 16:56:44,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:44,350 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:56:44,419 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_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22665,22678] [2022-10-17 16:56:44,421 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_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22735,22748] [2022-10-17 16:56:44,422 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_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22799,22812] [2022-10-17 16:56:44,424 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_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22894,22907] [2022-10-17 16:56:44,425 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_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[22966,22979] [2022-10-17 16:56:44,427 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_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23105,23118] [2022-10-17 16:56:44,429 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_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i[23179,23192] [2022-10-17 16:56:44,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:44,485 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:56:44,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:44 WrapperNode [2022-10-17 16:56:44,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:44,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:44,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:56:44,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:56:44,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:44" (1/1) ... [2022-10-17 16:56:44,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:44" (1/1) ... [2022-10-17 16:56:44,569 INFO L138 Inliner]: procedures = 119, calls = 43, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 156 [2022-10-17 16:56:44,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:44,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:56:44,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:56:44,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:56:44,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:44" (1/1) ... [2022-10-17 16:56:44,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:44" (1/1) ... [2022-10-17 16:56:44,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:44" (1/1) ... [2022-10-17 16:56:44,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:44" (1/1) ... [2022-10-17 16:56:44,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:44" (1/1) ... [2022-10-17 16:56:44,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:44" (1/1) ... [2022-10-17 16:56:44,605 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:44" (1/1) ... [2022-10-17 16:56:44,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:44" (1/1) ... [2022-10-17 16:56:44,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:56:44,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:56:44,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:56:44,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:56:44,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:44" (1/1) ... [2022-10-17 16:56:44,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:44,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:56:44,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:56:44,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fcdd03f-a1fe-474f-b94f-eeb26b184f77/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:56:44,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:56:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:56:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:56:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:56:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:56:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:56:44,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:56:44,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:56:44,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:56:44,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:56:44,924 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:56:44,926 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:56:45,434 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:56:45,542 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:56:45,542 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-10-17 16:56:45,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:45 BoogieIcfgContainer [2022-10-17 16:56:45,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:56:45,547 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:56:45,548 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:56:45,560 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:56:45,561 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:45" (1/1) ... [2022-10-17 16:56:45,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:56:45,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:45,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2022-10-17 16:56:45,674 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2022-10-17 16:56:45,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:56:45,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:45,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:45,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:46,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:46,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2022-10-17 16:56:46,021 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2022-10-17 16:56:46,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:56:46,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:46,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:58,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:58,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2022-10-17 16:56:58,919 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2022-10-17 16:56:58,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:56:58,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:58,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:59,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:59,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:59,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2022-10-17 16:56:59,406 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2022-10-17 16:56:59,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:56:59,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:59,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:59,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:59,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:59,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2022-10-17 16:56:59,703 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2022-10-17 16:56:59,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:56:59,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:59,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat