./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/bin/ukojak-pZX7IvK2PQ --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 851dc7d49dcc9fde277beeb190c3ab252014728a3bd4281f423bffd927fb4430 --- 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-6b4ec56 [2022-11-20 16:50:35,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:50:35,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:50:36,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:50:36,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:50:36,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:50:36,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:50:36,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:50:36,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:50:36,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:50:36,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:50:36,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:50:36,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:50:36,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:50:36,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:50:36,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:50:36,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:50:36,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:50:36,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:50:36,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:50:36,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:50:36,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:50:36,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:50:36,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:50:36,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:50:36,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:50:36,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:50:36,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:50:36,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:50:36,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:50:36,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:50:36,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:50:36,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:50:36,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:50:36,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:50:36,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:50:36,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:50:36,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:50:36,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:50:36,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:50:36,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:50:36,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 16:50:36,150 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:50:36,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:50:36,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:50:36,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:50:36,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:50:36,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:50:36,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:50:36,154 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:50:36,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:50:36,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:50:36,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:50:36,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:50:36,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:50:36,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:50:36,157 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:50:36,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:50:36,157 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:50:36,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:50:36,158 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:50:36,158 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:50:36,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:50:36,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:50:36,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:50:36,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:50:36,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:50:36,160 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:50:36,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:50:36,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:50:36,161 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_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 851dc7d49dcc9fde277beeb190c3ab252014728a3bd4281f423bffd927fb4430 [2022-11-20 16:50:36,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:50:36,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:50:36,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:50:36,524 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:50:36,525 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:50:36,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-11-20 16:50:39,589 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:50:39,902 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:50:39,903 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-11-20 16:50:39,913 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/bin/ukojak-pZX7IvK2PQ/data/5f435538c/7bcc279bf0494dbb96fd3a696aaa9757/FLAG8a0bdb02b [2022-11-20 16:50:39,928 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/bin/ukojak-pZX7IvK2PQ/data/5f435538c/7bcc279bf0494dbb96fd3a696aaa9757 [2022-11-20 16:50:39,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:50:39,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:50:39,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:50:39,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:50:39,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:50:39,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:50:39" (1/1) ... [2022-11-20 16:50:39,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779367c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:50:39, skipping insertion in model container [2022-11-20 16:50:39,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:50:39" (1/1) ... [2022-11-20 16:50:39,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:50:39,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:50:40,299 WARN L237 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_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[9868,9881] [2022-11-20 16:50:40,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:50:40,400 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:50:40,506 WARN L237 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_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[9868,9881] [2022-11-20 16:50:40,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:50:40,580 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:50:40,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:50:40 WrapperNode [2022-11-20 16:50:40,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:50:40,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:50:40,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:50:40,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:50:40,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:50:40" (1/1) ... [2022-11-20 16:50:40,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:50:40" (1/1) ... [2022-11-20 16:50:40,677 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 946 [2022-11-20 16:50:40,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:50:40,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:50:40,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:50:40,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:50:40,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:50:40" (1/1) ... [2022-11-20 16:50:40,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:50:40" (1/1) ... [2022-11-20 16:50:40,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:50:40" (1/1) ... [2022-11-20 16:50:40,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:50:40" (1/1) ... [2022-11-20 16:50:40,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:50:40" (1/1) ... [2022-11-20 16:50:40,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:50:40" (1/1) ... [2022-11-20 16:50:40,723 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:50:40" (1/1) ... [2022-11-20 16:50:40,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:50:40" (1/1) ... [2022-11-20 16:50:40,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:50:40,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:50:40,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:50:40,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:50:40,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:50:40" (1/1) ... [2022-11-20 16:50:40,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:50:40,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:50:40,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:50:40,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee837a4-a456-4bcd-8a6a-e0350cbf4c5f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:50:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:50:40,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:50:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:50:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:50:40,987 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:50:40,989 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:50:41,987 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:50:42,271 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:50:42,272 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:50:42,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:50:42 BoogieIcfgContainer [2022-11-20 16:50:42,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:50:42,277 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:50:42,277 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:50:42,288 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:50:42,289 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:50:42" (1/1) ... [2022-11-20 16:50:42,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:50:42,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:50:42,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 195 states and 330 transitions. [2022-11-20 16:50:42,404 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 330 transitions. [2022-11-20 16:50:42,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 16:50:42,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:50:42,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:50:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:50:43,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:50:43,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:50:43,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 214 states and 366 transitions. [2022-11-20 16:50:43,824 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 366 transitions. [2022-11-20 16:50:43,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 16:50:43,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:50:43,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:50:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:50:44,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:50:44,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:50:44,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 214 states and 365 transitions. [2022-11-20 16:50:44,962 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 365 transitions. [2022-11-20 16:50:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 16:50:44,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:50:44,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:50:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:50:45,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:50:47,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:50:47,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 230 states and 400 transitions. [2022-11-20 16:50:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 400 transitions. [2022-11-20 16:50:47,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 16:50:47,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:50:47,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:50:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:50:47,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:50:51,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:50:51,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 250 states and 444 transitions. [2022-11-20 16:50:51,747 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 444 transitions. [2022-11-20 16:50:51,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 16:50:51,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:50:51,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:50:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:50:52,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:50:57,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:50:57,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 262 states and 472 transitions. [2022-11-20 16:50:57,201 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 472 transitions. [2022-11-20 16:50:57,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 16:50:57,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:50:57,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:50:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:50:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:04,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:04,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 270 states and 492 transitions. [2022-11-20 16:51:04,843 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 492 transitions. [2022-11-20 16:51:04,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 16:51:04,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:04,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:05,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:15,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 274 states and 504 transitions. [2022-11-20 16:51:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 504 transitions. [2022-11-20 16:51:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 16:51:15,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:15,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:25,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:17,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:17,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 308 states and 575 transitions. [2022-11-20 16:52:17,809 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 575 transitions. [2022-11-20 16:52:17,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 16:52:17,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:17,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:54,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:54,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 301 states and 556 transitions. [2022-11-20 16:52:54,374 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 556 transitions. [2022-11-20 16:52:54,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 16:52:54,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:54,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:53:05,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:53:48,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:53:48,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 335 states and 637 transitions. [2022-11-20 16:53:48,548 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 637 transitions. [2022-11-20 16:53:48,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 16:53:48,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:53:48,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:53:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:02,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:55:46,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:55:46,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 361 states and 699 transitions. [2022-11-20 16:55:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 699 transitions. [2022-11-20 16:55:46,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 16:55:46,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:55:46,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:55:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:55:47,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:29,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:29,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 374 states and 731 transitions. [2022-11-20 16:56:29,917 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 731 transitions. [2022-11-20 16:56:29,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 16:56:29,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:29,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:30,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:57:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 383 states and 752 transitions. [2022-11-20 16:57:22,788 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 752 transitions. [2022-11-20 16:57:22,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 16:57:22,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:22,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:58:25,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:25,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 404 states and 807 transitions. [2022-11-20 16:58:25,302 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 807 transitions. [2022-11-20 16:58:25,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 16:58:25,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:25,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:26,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:59:32,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:32,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 409 states and 818 transitions. [2022-11-20 16:59:32,106 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 818 transitions. [2022-11-20 16:59:32,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 16:59:32,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:32,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:56,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:03:02,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:02,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 437 states and 889 transitions. [2022-11-20 17:03:02,812 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 889 transitions. [2022-11-20 17:03:02,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 17:03:02,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:02,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:34,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 438 states and 890 transitions. [2022-11-20 17:04:34,051 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 890 transitions. [2022-11-20 17:04:34,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 17:04:34,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:34,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:43,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.