./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --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_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/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_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/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_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/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 cbb2fc13b8cfe94a8598776143f7662f536c656f69c1b5d29afc37de7c1d9e70 --- 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 16:49:53,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:53,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:53,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:53,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:53,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:53,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:53,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:53,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:53,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:53,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:53,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:53,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:53,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:53,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:53,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:53,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:53,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:53,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:53,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:53,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:53,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:53,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:53,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:53,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:53,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:53,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:53,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:53,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:53,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:53,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:53,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:53,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:53,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:53,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:53,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:53,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:53,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:53,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:53,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:53,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:53,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:53,475 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:53,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:53,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:53,478 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:53,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:53,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:53,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:53,480 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:53,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:53,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:53,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:53,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:53,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:53,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:53,483 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:53,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:53,484 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:53,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:53,485 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:53,485 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:53,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:53,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:53,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:53,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:53,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:53,487 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:53,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:53,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:53,488 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_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbb2fc13b8cfe94a8598776143f7662f536c656f69c1b5d29afc37de7c1d9e70 [2022-10-17 16:49:53,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:53,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:53,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:53,841 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:53,842 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:53,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-17 16:49:53,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/bin/ukojak-92XMlrwhuB/data/e8808cc6c/fcb15fce05084ee6a285bbbf0aabc6f5/FLAG793e02f19 [2022-10-17 16:49:54,607 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:54,608 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-17 16:49:54,630 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/bin/ukojak-92XMlrwhuB/data/e8808cc6c/fcb15fce05084ee6a285bbbf0aabc6f5/FLAG793e02f19 [2022-10-17 16:49:54,814 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/bin/ukojak-92XMlrwhuB/data/e8808cc6c/fcb15fce05084ee6a285bbbf0aabc6f5 [2022-10-17 16:49:54,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:54,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:54,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:54,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:54,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:54,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:54" (1/1) ... [2022-10-17 16:49:54,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3777a82f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:54, skipping insertion in model container [2022-10-17 16:49:54,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:54" (1/1) ... [2022-10-17 16:49:54,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:54,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:55,422 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_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13772,13785] [2022-10-17 16:49:55,444 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_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14419,14432] [2022-10-17 16:49:55,479 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_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15695,15708] [2022-10-17 16:49:55,503 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_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16671,16684] [2022-10-17 16:49:55,655 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_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25142,25155] [2022-10-17 16:49:55,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:55,749 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:55,882 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_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13772,13785] [2022-10-17 16:49:55,891 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_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14419,14432] [2022-10-17 16:49:55,904 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_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15695,15708] [2022-10-17 16:49:55,915 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_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16671,16684] [2022-10-17 16:49:55,971 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_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25142,25155] [2022-10-17 16:49:56,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:56,039 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:56,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:56 WrapperNode [2022-10-17 16:49:56,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:56,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:56,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:56,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:56,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:56" (1/1) ... [2022-10-17 16:49:56,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:56" (1/1) ... [2022-10-17 16:49:56,187 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1539 [2022-10-17 16:49:56,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:56,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:56,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:56,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:56,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:56" (1/1) ... [2022-10-17 16:49:56,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:56" (1/1) ... [2022-10-17 16:49:56,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:56" (1/1) ... [2022-10-17 16:49:56,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:56" (1/1) ... [2022-10-17 16:49:56,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:56" (1/1) ... [2022-10-17 16:49:56,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:56" (1/1) ... [2022-10-17 16:49:56,283 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:56" (1/1) ... [2022-10-17 16:49:56,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:56" (1/1) ... [2022-10-17 16:49:56,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:56,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:56,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:56,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:56,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:56" (1/1) ... [2022-10-17 16:49:56,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:56,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:56,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:56,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81abb0ba-cc44-4e1b-94cc-22ffc1ed00d7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:56,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:56,692 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:56,695 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:58,382 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:58,961 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:58,962 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:49:58,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:58 BoogieIcfgContainer [2022-10-17 16:49:58,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:58,969 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:58,969 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:58,980 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:58,980 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:58" (1/1) ... [2022-10-17 16:49:58,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:59,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:59,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 280 states and 496 transitions. [2022-10-17 16:49:59,090 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 496 transitions. [2022-10-17 16:49:59,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-17 16:49:59,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:59,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:01,174 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 16:50:01,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:01,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 291 states and 518 transitions. [2022-10-17 16:50:01,481 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 518 transitions. [2022-10-17 16:50:01,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:50:01,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:01,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:01,700 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 16:50:01,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 335 states and 604 transitions. [2022-10-17 16:50:01,933 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 604 transitions. [2022-10-17 16:50:01,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:50:01,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:01,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:02,132 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 16:50:02,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:02,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 334 states and 601 transitions. [2022-10-17 16:50:02,200 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 601 transitions. [2022-10-17 16:50:02,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:50:02,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:02,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:02,377 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 16:50:02,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:02,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 379 states and 690 transitions. [2022-10-17 16:50:02,815 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 690 transitions. [2022-10-17 16:50:02,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:50:02,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:02,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,032 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 16:50:03,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 377 states and 684 transitions. [2022-10-17 16:50:03,107 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 684 transitions. [2022-10-17 16:50:03,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:50:03,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,306 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 16:50:04,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 422 states and 773 transitions. [2022-10-17 16:50:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 773 transitions. [2022-10-17 16:50:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:50:04,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:04,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:04,173 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 16:50:04,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:04,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 420 states and 766 transitions. [2022-10-17 16:50:04,247 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 766 transitions. [2022-10-17 16:50:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:50:04,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:04,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:04,433 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 16:50:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:05,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 464 states and 853 transitions. [2022-10-17 16:50:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 853 transitions. [2022-10-17 16:50:05,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:50:05,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:05,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:05,143 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 16:50:05,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:05,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 463 states and 848 transitions. [2022-10-17 16:50:05,209 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 848 transitions. [2022-10-17 16:50:05,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:50:05,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:05,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:06,210 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 16:50:08,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:08,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 536 states and 991 transitions. [2022-10-17 16:50:08,642 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 991 transitions. [2022-10-17 16:50:08,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:50:08,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:08,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:09,104 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 16:50:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:11,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 538 states and 996 transitions. [2022-10-17 16:50:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 996 transitions. [2022-10-17 16:50:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:50:11,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:11,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:12,486 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 16:50:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:12,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 541 states and 1001 transitions. [2022-10-17 16:50:12,733 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 1001 transitions. [2022-10-17 16:50:12,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:50:12,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:12,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:13,791 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 16:50:18,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:18,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 548 states and 1016 transitions. [2022-10-17 16:50:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1016 transitions. [2022-10-17 16:50:18,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:50:18,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:18,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.