./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512a5d4a-d614-4721-8c39-8b33ca2c0344/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512a5d4a-d614-4721-8c39-8b33ca2c0344/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512a5d4a-d614-4721-8c39-8b33ca2c0344/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512a5d4a-d614-4721-8c39-8b33ca2c0344/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512a5d4a-d614-4721-8c39-8b33ca2c0344/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512a5d4a-d614-4721-8c39-8b33ca2c0344/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 0d2234696348c57e259060be7fd705b6cb557422b7cc5a74e51b2a22fa3392bc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:08:00,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:08:00,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512a5d4a-d614-4721-8c39-8b33ca2c0344/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:08:00,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:08:00,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:08:00,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:08:00,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:08:00,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:08:00,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:08:00,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:08:00,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:08:00,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:08:00,552 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:08:00,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:08:00,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:08:00,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:08:00,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:08:00,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:08:00,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:08:00,563 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:08:00,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:08:00,564 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:08:00,565 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:08:00,565 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:08:00,570 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:08:00,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:08:00,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:00,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:08:00,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:08:00,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:08:00,573 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:08:00,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:08:00,574 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:08:00,575 INFO L153 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_512a5d4a-d614-4721-8c39-8b33ca2c0344/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512a5d4a-d614-4721-8c39-8b33ca2c0344/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d2234696348c57e259060be7fd705b6cb557422b7cc5a74e51b2a22fa3392bc [2023-11-19 03:08:00,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:08:00,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:08:00,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:08:00,884 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:08:00,886 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:08:00,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512a5d4a-d614-4721-8c39-8b33ca2c0344/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-11-19 03:08:04,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:08:04,526 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:08:04,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512a5d4a-d614-4721-8c39-8b33ca2c0344/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-11-19 03:08:04,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512a5d4a-d614-4721-8c39-8b33ca2c0344/bin/ukojak-verify-G8NBE6pJGL/data/e6dd12f88/f4468e5a7dfa4dfc93f7f0832bed0ca9/FLAG46d12137d [2023-11-19 03:08:04,573 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512a5d4a-d614-4721-8c39-8b33ca2c0344/bin/ukojak-verify-G8NBE6pJGL/data/e6dd12f88/f4468e5a7dfa4dfc93f7f0832bed0ca9 [2023-11-19 03:08:04,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:08:04,579 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:08:04,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:04,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:08:04,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:08:04,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:04" (1/1) ... [2023-11-19 03:08:04,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6405ad94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:04, skipping insertion in model container [2023-11-19 03:08:04,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:04" (1/1) ... [2023-11-19 03:08:04,703 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:08:04,976 WARN L240 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_512a5d4a-d614-4721-8c39-8b33ca2c0344/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[5817,5830] [2023-11-19 03:08:05,019 WARN L240 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_512a5d4a-d614-4721-8c39-8b33ca2c0344/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[8470,8483] [2023-11-19 03:08:05,043 WARN L240 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_512a5d4a-d614-4721-8c39-8b33ca2c0344/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11277,11290] [2023-11-19 03:08:05,065 WARN L240 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_512a5d4a-d614-4721-8c39-8b33ca2c0344/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[13832,13845] [2023-11-19 03:08:05,090 WARN L240 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_512a5d4a-d614-4721-8c39-8b33ca2c0344/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16838,16851] [2023-11-19 03:08:05,111 WARN L240 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_512a5d4a-d614-4721-8c39-8b33ca2c0344/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[19408,19421] [2023-11-19 03:08:05,133 WARN L240 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_512a5d4a-d614-4721-8c39-8b33ca2c0344/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[22168,22181] [2023-11-19 03:08:05,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:05,204 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:08:05,262 WARN L240 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_512a5d4a-d614-4721-8c39-8b33ca2c0344/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[5817,5830] [2023-11-19 03:08:05,287 WARN L240 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_512a5d4a-d614-4721-8c39-8b33ca2c0344/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[8470,8483] [2023-11-19 03:08:05,313 WARN L240 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_512a5d4a-d614-4721-8c39-8b33ca2c0344/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11277,11290] [2023-11-19 03:08:05,327 WARN L240 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_512a5d4a-d614-4721-8c39-8b33ca2c0344/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[13832,13845] [2023-11-19 03:08:05,343 WARN L240 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_512a5d4a-d614-4721-8c39-8b33ca2c0344/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16838,16851] [2023-11-19 03:08:05,357 WARN L240 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_512a5d4a-d614-4721-8c39-8b33ca2c0344/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[19408,19421] [2023-11-19 03:08:05,371 WARN L240 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_512a5d4a-d614-4721-8c39-8b33ca2c0344/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[22168,22181] [2023-11-19 03:08:05,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:05,443 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:08:05,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:05 WrapperNode [2023-11-19 03:08:05,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:05,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:05,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:08:05,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:08:05,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:05" (1/1) ... [2023-11-19 03:08:05,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:05" (1/1) ... [2023-11-19 03:08:05,562 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1332 [2023-11-19 03:08:05,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:05,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:08:05,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:08:05,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:08:05,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:05" (1/1) ... [2023-11-19 03:08:05,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:05" (1/1) ... [2023-11-19 03:08:05,585 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:05" (1/1) ... [2023-11-19 03:08:05,585 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:05" (1/1) ... [2023-11-19 03:08:05,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:05" (1/1) ... [2023-11-19 03:08:05,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:05" (1/1) ... [2023-11-19 03:08:05,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:05" (1/1) ... [2023-11-19 03:08:05,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:05" (1/1) ... [2023-11-19 03:08:05,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:08:05,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:08:05,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:08:05,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:08:05,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:05" (1/1) ... [2023-11-19 03:08:05,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:05,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512a5d4a-d614-4721-8c39-8b33ca2c0344/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:08:05,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512a5d4a-d614-4721-8c39-8b33ca2c0344/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:08:05,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_512a5d4a-d614-4721-8c39-8b33ca2c0344/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:08:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:08:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:08:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:08:05,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:08:06,016 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:08:06,021 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:08:07,246 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:08:07,437 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:08:07,437 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:08:07,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:07 BoogieIcfgContainer [2023-11-19 03:08:07,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:08:07,457 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:08:07,458 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:08:07,469 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:08:07,469 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:07" (1/1) ... [2023-11-19 03:08:07,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:08:07,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 249 states and 443 transitions. [2023-11-19 03:08:07,576 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 443 transitions. [2023-11-19 03:08:07,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:08:07,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:07,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:08,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:08,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:08,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 241 states and 425 transitions. [2023-11-19 03:08:08,401 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 425 transitions. [2023-11-19 03:08:08,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:08:08,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:08,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:08,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:09,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:09,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 184 states and 313 transitions. [2023-11-19 03:08:09,143 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 313 transitions. [2023-11-19 03:08:09,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:08:09,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:09,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:09,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:10,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:10,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 149 states and 248 transitions. [2023-11-19 03:08:10,333 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 248 transitions. [2023-11-19 03:08:10,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:08:10,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:10,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:10,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:10,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 141 states and 230 transitions. [2023-11-19 03:08:10,507 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 230 transitions. [2023-11-19 03:08:10,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:08:10,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:10,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:11,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:13,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:13,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 141 states and 229 transitions. [2023-11-19 03:08:13,951 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 229 transitions. [2023-11-19 03:08:13,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:08:13,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:13,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:14,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:19,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:19,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 141 states and 227 transitions. [2023-11-19 03:08:19,533 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 227 transitions. [2023-11-19 03:08:19,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:08:19,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:19,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:20,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:26,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:26,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 141 states and 226 transitions. [2023-11-19 03:08:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 226 transitions. [2023-11-19 03:08:26,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:08:26,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:26,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:29,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:41,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:41,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 147 states and 235 transitions. [2023-11-19 03:08:41,939 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 235 transitions. [2023-11-19 03:08:41,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:08:41,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:41,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:44,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.