./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.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_a292e643-aac9-4c0a-a041-62201dd138d6/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a292e643-aac9-4c0a-a041-62201dd138d6/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_a292e643-aac9-4c0a-a041-62201dd138d6/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a292e643-aac9-4c0a-a041-62201dd138d6/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a292e643-aac9-4c0a-a041-62201dd138d6/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_a292e643-aac9-4c0a-a041-62201dd138d6/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 bd466f23ab481babcc03c4173983e1af9100c535496f2e2f8c8fc18a8aaf4174 --- 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 16:50:14,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:14,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:14,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:14,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:14,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:14,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:14,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:14,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:14,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:14,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:14,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:14,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:14,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:14,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:14,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:14,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:14,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:14,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:14,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:14,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:14,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:14,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:14,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:14,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:14,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:14,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:14,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:14,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:14,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:14,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:14,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:14,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:14,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:14,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:14,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:14,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:14,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:14,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:14,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:14,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:14,681 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a292e643-aac9-4c0a-a041-62201dd138d6/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:50:14,704 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:14,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:14,705 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:50:14,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:50:14,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:14,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:14,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:14,707 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:14,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:14,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:14,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:14,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:50:14,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:14,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:50:14,709 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:14,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:50:14,709 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:14,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:50:14,710 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:14,710 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:14,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:14,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:14,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:14,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:14,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:50:14,712 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:14,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:14,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:50:14,713 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_a292e643-aac9-4c0a-a041-62201dd138d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a292e643-aac9-4c0a-a041-62201dd138d6/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd466f23ab481babcc03c4173983e1af9100c535496f2e2f8c8fc18a8aaf4174 [2022-10-17 16:50:14,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:14,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:14,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:14,986 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:14,987 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:14,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a292e643-aac9-4c0a-a041-62201dd138d6/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c [2022-10-17 16:50:15,085 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a292e643-aac9-4c0a-a041-62201dd138d6/bin/ukojak-92XMlrwhuB/data/5e8b4fd7c/4236a6aa669c4fff86ed560a4773e82e/FLAG4d4334de4 [2022-10-17 16:50:15,580 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:15,581 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a292e643-aac9-4c0a-a041-62201dd138d6/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c [2022-10-17 16:50:15,604 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a292e643-aac9-4c0a-a041-62201dd138d6/bin/ukojak-92XMlrwhuB/data/5e8b4fd7c/4236a6aa669c4fff86ed560a4773e82e/FLAG4d4334de4 [2022-10-17 16:50:15,889 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a292e643-aac9-4c0a-a041-62201dd138d6/bin/ukojak-92XMlrwhuB/data/5e8b4fd7c/4236a6aa669c4fff86ed560a4773e82e [2022-10-17 16:50:15,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:15,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:15,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:15,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:15,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:15,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74896432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:15, skipping insertion in model container [2022-10-17 16:50:15,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:15,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:16,173 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_a292e643-aac9-4c0a-a041-62201dd138d6/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c[911,924] [2022-10-17 16:50:16,236 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_a292e643-aac9-4c0a-a041-62201dd138d6/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c[8416,8429] [2022-10-17 16:50:16,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:16,300 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:16,317 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_a292e643-aac9-4c0a-a041-62201dd138d6/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c[911,924] [2022-10-17 16:50:16,357 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_a292e643-aac9-4c0a-a041-62201dd138d6/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c[8416,8429] [2022-10-17 16:50:16,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:16,451 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:16,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:16 WrapperNode [2022-10-17 16:50:16,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:16,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:16,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:16,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:16,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:16" (1/1) ... [2022-10-17 16:50:16,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:16" (1/1) ... [2022-10-17 16:50:16,556 INFO L138 Inliner]: procedures = 63, calls = 74, calls flagged for inlining = 31, calls inlined = 31, statements flattened = 619 [2022-10-17 16:50:16,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:16,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:16,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:16,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:16,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:16" (1/1) ... [2022-10-17 16:50:16,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:16" (1/1) ... [2022-10-17 16:50:16,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:16" (1/1) ... [2022-10-17 16:50:16,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:16" (1/1) ... [2022-10-17 16:50:16,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:16" (1/1) ... [2022-10-17 16:50:16,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:16" (1/1) ... [2022-10-17 16:50:16,604 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:16" (1/1) ... [2022-10-17 16:50:16,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:16" (1/1) ... [2022-10-17 16:50:16,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:16,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:16,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:16,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:16,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:16" (1/1) ... [2022-10-17 16:50:16,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:16,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a292e643-aac9-4c0a-a041-62201dd138d6/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:16,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a292e643-aac9-4c0a-a041-62201dd138d6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:16,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a292e643-aac9-4c0a-a041-62201dd138d6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:50:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:50:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2022-10-17 16:50:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2022-10-17 16:50:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-10-17 16:50:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-10-17 16:50:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-10-17 16:50:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-10-17 16:50:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2022-10-17 16:50:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2022-10-17 16:50:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-10-17 16:50:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-10-17 16:50:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-10-17 16:50:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-10-17 16:50:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2022-10-17 16:50:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2022-10-17 16:50:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2022-10-17 16:50:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2022-10-17 16:50:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2022-10-17 16:50:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2022-10-17 16:50:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-10-17 16:50:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-10-17 16:50:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-10-17 16:50:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-10-17 16:50:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2022-10-17 16:50:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2022-10-17 16:50:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-10-17 16:50:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-10-17 16:50:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2022-10-17 16:50:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2022-10-17 16:50:16,814 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:16,816 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:17,615 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0); [2022-10-17 16:50:17,618 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2022-10-17 16:50:17,740 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:18,045 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:18,046 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-10-17 16:50:18,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:18 BoogieIcfgContainer [2022-10-17 16:50:18,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:18,050 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:18,050 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:18,060 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:18,061 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:18" (1/1) ... [2022-10-17 16:50:18,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:18,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:18,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 185 states and 271 transitions. [2022-10-17 16:50:18,135 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 271 transitions. [2022-10-17 16:50:18,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:50:18,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:18,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:18,457 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 16:50:18,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:18,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 190 states and 276 transitions. [2022-10-17 16:50:18,653 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 276 transitions. [2022-10-17 16:50:18,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:50:18,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:18,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:18,818 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 16:50:18,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:18,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 196 states and 284 transitions. [2022-10-17 16:50:18,915 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 284 transitions. [2022-10-17 16:50:18,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:50:18,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:18,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,093 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 16:50:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:19,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 202 states and 295 transitions. [2022-10-17 16:50:19,344 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 295 transitions. [2022-10-17 16:50:19,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:50:19,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:19,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,451 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 16:50:19,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:19,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 205 states and 299 transitions. [2022-10-17 16:50:19,533 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 299 transitions. [2022-10-17 16:50:19,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:50:19,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:19,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,913 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 16:50:21,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:21,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 211 states and 310 transitions. [2022-10-17 16:50:21,088 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 310 transitions. [2022-10-17 16:50:21,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:50:21,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:21,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:21,272 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 16:50:21,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:21,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 225 states and 336 transitions. [2022-10-17 16:50:21,394 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 336 transitions. [2022-10-17 16:50:21,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:50:21,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:21,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:21,526 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 16:50:21,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:21,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 226 states and 336 transitions. [2022-10-17 16:50:21,541 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 336 transitions. [2022-10-17 16:50:21,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:50:21,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:21,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:21,655 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 16:50:21,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:21,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 227 states and 336 transitions. [2022-10-17 16:50:21,670 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 336 transitions. [2022-10-17 16:50:21,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:50:21,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:21,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:21,752 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 16:50:21,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:21,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 228 states and 336 transitions. [2022-10-17 16:50:21,764 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 336 transitions. [2022-10-17 16:50:21,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:50:21,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:21,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:21,908 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 16:50:22,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:22,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 240 states and 363 transitions. [2022-10-17 16:50:22,268 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 363 transitions. [2022-10-17 16:50:22,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:50:22,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:22,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:22,351 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 16:50:22,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:22,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 241 states and 363 transitions. [2022-10-17 16:50:22,365 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 363 transitions. [2022-10-17 16:50:22,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:50:22,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:22,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:22,514 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 16:50:22,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:22,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 247 states and 378 transitions. [2022-10-17 16:50:22,893 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 378 transitions. [2022-10-17 16:50:22,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:50:22,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:22,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:22,983 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 16:50:23,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:23,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 255 states and 393 transitions. [2022-10-17 16:50:23,324 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 393 transitions. [2022-10-17 16:50:23,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:50:23,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:23,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:23,415 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 16:50:23,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:23,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 265 states and 412 transitions. [2022-10-17 16:50:23,709 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 412 transitions. [2022-10-17 16:50:23,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:50:23,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:23,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:23,742 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 16:50:23,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:23,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 268 states and 418 transitions. [2022-10-17 16:50:23,766 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 418 transitions. [2022-10-17 16:50:23,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:50:23,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:23,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:23,799 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 16:50:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:24,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 276 states and 431 transitions. [2022-10-17 16:50:24,092 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 431 transitions. [2022-10-17 16:50:24,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:50:24,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:24,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:24,558 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:50:27,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:27,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 284 states and 446 transitions. [2022-10-17 16:50:27,515 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 446 transitions. [2022-10-17 16:50:27,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:50:27,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:27,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:27,676 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:50:28,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:28,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 286 states and 450 transitions. [2022-10-17 16:50:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 450 transitions. [2022-10-17 16:50:28,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:50:28,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:28,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:50:31,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:31,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 308 states and 502 transitions. [2022-10-17 16:50:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 502 transitions. [2022-10-17 16:50:31,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:50:31,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:31,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:31,898 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:50:34,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:34,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 317 states and 532 transitions. [2022-10-17 16:50:34,555 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 532 transitions. [2022-10-17 16:50:34,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:50:34,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:34,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:34,621 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:50:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 318 states and 535 transitions. [2022-10-17 16:50:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 535 transitions. [2022-10-17 16:50:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:50:34,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:34,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:35,026 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:50:35,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:35,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 320 states and 538 transitions. [2022-10-17 16:50:35,407 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 538 transitions. [2022-10-17 16:50:35,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:50:35,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:35,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:35,497 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:50:35,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:35,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 321 states and 540 transitions. [2022-10-17 16:50:35,516 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 540 transitions. [2022-10-17 16:50:35,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:50:35,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:35,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:50:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:35,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 324 states and 546 transitions. [2022-10-17 16:50:35,943 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 546 transitions. [2022-10-17 16:50:35,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:50:35,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:35,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:36,042 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:50:36,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:36,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 324 states and 543 transitions. [2022-10-17 16:50:36,631 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 543 transitions. [2022-10-17 16:50:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:50:36,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:36,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:36,689 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:50:36,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 324 states and 539 transitions. [2022-10-17 16:50:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 539 transitions. [2022-10-17 16:50:36,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:50:36,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:36,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:36,940 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:50:37,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:37,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 324 states and 537 transitions. [2022-10-17 16:50:37,294 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 537 transitions. [2022-10-17 16:50:37,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:50:37,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:37,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:37,372 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:50:37,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 324 states and 533 transitions. [2022-10-17 16:50:37,551 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 533 transitions. [2022-10-17 16:50:37,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:50:37,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:37,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:37,655 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:50:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:37,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 327 states and 538 transitions. [2022-10-17 16:50:37,685 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 538 transitions. [2022-10-17 16:50:37,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:50:37,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:37,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:37,792 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:50:37,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:37,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 329 states and 541 transitions. [2022-10-17 16:50:37,818 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 541 transitions. [2022-10-17 16:50:37,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:50:37,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:37,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:37,877 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:50:38,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 327 states and 537 transitions. [2022-10-17 16:50:38,035 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 537 transitions. [2022-10-17 16:50:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:50:38,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:38,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:38,126 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:50:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:38,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 328 states and 538 transitions. [2022-10-17 16:50:38,328 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 538 transitions. [2022-10-17 16:50:38,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:50:38,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:38,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:38,407 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:50:38,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 329 states and 539 transitions. [2022-10-17 16:50:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 539 transitions. [2022-10-17 16:50:38,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:50:38,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:38,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:39,205 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:50:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:43,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 350 states and 594 transitions. [2022-10-17 16:50:43,892 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 594 transitions. [2022-10-17 16:50:43,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:50:43,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:43,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.