./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+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_1a479a1d-d5ce-42bd-8819-60c35a7f7158/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a479a1d-d5ce-42bd-8819-60c35a7f7158/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_1a479a1d-d5ce-42bd-8819-60c35a7f7158/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a479a1d-d5ce-42bd-8819-60c35a7f7158/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.04.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a479a1d-d5ce-42bd-8819-60c35a7f7158/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_1a479a1d-d5ce-42bd-8819-60c35a7f7158/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 a61ec0d9e8ff01aa8900ac2d4a87b40f68db963fb1a53c6fbb2c11c91e3dd345 --- 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 16:54:56,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:54:56,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:54:56,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:54:56,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:54:56,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:54:56,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:54:56,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:54:56,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:54:56,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:54:56,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:54:56,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:54:56,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:54:56,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:54:56,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:54:56,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:54:56,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:54:56,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:54:56,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:54:56,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:54:56,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:54:56,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:54:56,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:54:56,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:54:56,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:54:56,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:54:56,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:54:56,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:54:56,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:54:56,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:54:56,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:54:56,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:54:56,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:54:56,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:54:56,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:54:56,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:54:56,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:54:56,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:54:56,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:54:56,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:54:56,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:54:56,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a479a1d-d5ce-42bd-8819-60c35a7f7158/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:54:56,537 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:54:56,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:54:56,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:54:56,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:54:56,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:54:56,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:54:56,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:54:56,540 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:54:56,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:54:56,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:54:56,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:54:56,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:54:56,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:54:56,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:54:56,541 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:54:56,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:54:56,542 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:54:56,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:54:56,542 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:54:56,542 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:54:56,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:54:56,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:56,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:54:56,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:54:56,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:54:56,565 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:54:56,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:54:56,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:54:56,566 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_1a479a1d-d5ce-42bd-8819-60c35a7f7158/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a479a1d-d5ce-42bd-8819-60c35a7f7158/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a61ec0d9e8ff01aa8900ac2d4a87b40f68db963fb1a53c6fbb2c11c91e3dd345 [2022-10-17 16:54:56,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:54:56,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:54:56,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:54:56,880 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:54:56,882 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:54:56,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a479a1d-d5ce-42bd-8819-60c35a7f7158/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.04.cil-2.c [2022-10-17 16:54:56,969 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a479a1d-d5ce-42bd-8819-60c35a7f7158/bin/ukojak-92XMlrwhuB/data/2df9f851b/553a00e3a5484fc6b69f3c9ab62ff8aa/FLAGd1a4f8008 [2022-10-17 16:54:57,435 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:54:57,436 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a479a1d-d5ce-42bd-8819-60c35a7f7158/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.04.cil-2.c [2022-10-17 16:54:57,455 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a479a1d-d5ce-42bd-8819-60c35a7f7158/bin/ukojak-92XMlrwhuB/data/2df9f851b/553a00e3a5484fc6b69f3c9ab62ff8aa/FLAGd1a4f8008 [2022-10-17 16:54:57,774 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a479a1d-d5ce-42bd-8819-60c35a7f7158/bin/ukojak-92XMlrwhuB/data/2df9f851b/553a00e3a5484fc6b69f3c9ab62ff8aa [2022-10-17 16:54:57,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:54:57,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:54:57,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:57,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:54:57,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:54:57,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:57" (1/1) ... [2022-10-17 16:54:57,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359ac102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:57, skipping insertion in model container [2022-10-17 16:54:57,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:57" (1/1) ... [2022-10-17 16:54:57,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:54:57,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:54:58,109 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_1a479a1d-d5ce-42bd-8819-60c35a7f7158/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.04.cil-2.c[914,927] [2022-10-17 16:54:58,226 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_1a479a1d-d5ce-42bd-8819-60c35a7f7158/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.04.cil-2.c[7115,7128] [2022-10-17 16:54:58,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:58,322 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:54:58,339 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_1a479a1d-d5ce-42bd-8819-60c35a7f7158/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.04.cil-2.c[914,927] [2022-10-17 16:54:58,387 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_1a479a1d-d5ce-42bd-8819-60c35a7f7158/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.04.cil-2.c[7115,7128] [2022-10-17 16:54:58,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:58,449 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:54:58,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:58 WrapperNode [2022-10-17 16:54:58,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:58,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:58,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:54:58,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:54:58,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:58" (1/1) ... [2022-10-17 16:54:58,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:58" (1/1) ... [2022-10-17 16:54:58,518 INFO L138 Inliner]: procedures = 61, calls = 70, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 581 [2022-10-17 16:54:58,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:58,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:54:58,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:54:58,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:54:58,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:58" (1/1) ... [2022-10-17 16:54:58,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:58" (1/1) ... [2022-10-17 16:54:58,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:58" (1/1) ... [2022-10-17 16:54:58,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:58" (1/1) ... [2022-10-17 16:54:58,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:58" (1/1) ... [2022-10-17 16:54:58,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:58" (1/1) ... [2022-10-17 16:54:58,566 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:58" (1/1) ... [2022-10-17 16:54:58,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:58" (1/1) ... [2022-10-17 16:54:58,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:54:58,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:54:58,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:54:58,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:54:58,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:58" (1/1) ... [2022-10-17 16:54:58,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:58,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a479a1d-d5ce-42bd-8819-60c35a7f7158/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:54:58,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a479a1d-d5ce-42bd-8819-60c35a7f7158/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:54:58,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a479a1d-d5ce-42bd-8819-60c35a7f7158/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:54:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:54:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:54:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:54:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2022-10-17 16:54:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2022-10-17 16:54:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-10-17 16:54:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-10-17 16:54:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-10-17 16:54:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-10-17 16:54:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2022-10-17 16:54:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2022-10-17 16:54:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-10-17 16:54:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-10-17 16:54:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-10-17 16:54:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-10-17 16:54:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2022-10-17 16:54:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2022-10-17 16:54:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2022-10-17 16:54:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2022-10-17 16:54:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2022-10-17 16:54:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2022-10-17 16:54:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-10-17 16:54:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-10-17 16:54:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:54:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-10-17 16:54:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-10-17 16:54:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2022-10-17 16:54:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2022-10-17 16:54:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:54:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:54:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-10-17 16:54:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-10-17 16:54:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2022-10-17 16:54:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2022-10-17 16:54:58,788 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:54:58,790 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:54:59,738 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:55:00,060 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:55:00,060 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-10-17 16:55:00,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:00 BoogieIcfgContainer [2022-10-17 16:55:00,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:55:00,065 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:55:00,065 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:55:00,076 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:55:00,076 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:00" (1/1) ... [2022-10-17 16:55:00,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:55:00,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:00,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 178 states and 259 transitions. [2022-10-17 16:55:00,178 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 259 transitions. [2022-10-17 16:55:00,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:55:00,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:00,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:00,789 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 16:55:00,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:00,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 190 states and 276 transitions. [2022-10-17 16:55:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 276 transitions. [2022-10-17 16:55:00,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:55:00,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:00,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:01,101 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 16:55:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:01,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 189 states and 273 transitions. [2022-10-17 16:55:01,784 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 273 transitions. [2022-10-17 16:55:01,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:55:01,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:01,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:01,908 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 16:55:02,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:02,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 199 states and 293 transitions. [2022-10-17 16:55:02,380 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 293 transitions. [2022-10-17 16:55:02,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:55:02,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:02,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:02,603 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 16:55:02,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:02,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 213 states and 319 transitions. [2022-10-17 16:55:02,740 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 319 transitions. [2022-10-17 16:55:02,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:55:02,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:02,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:02,838 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 16:55:02,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:02,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 214 states and 319 transitions. [2022-10-17 16:55:02,852 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 319 transitions. [2022-10-17 16:55:02,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:55:02,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:02,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:02,973 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 16:55:02,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:02,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 215 states and 319 transitions. [2022-10-17 16:55:02,998 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 319 transitions. [2022-10-17 16:55:03,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:55:03,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:03,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:03,101 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 16:55:03,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:03,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 216 states and 319 transitions. [2022-10-17 16:55:03,113 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 319 transitions. [2022-10-17 16:55:03,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:55:03,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:03,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:03,260 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 16:55:03,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:03,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 228 states and 346 transitions. [2022-10-17 16:55:03,621 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 346 transitions. [2022-10-17 16:55:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:55:03,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:03,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:03,692 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 16:55:03,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:03,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 229 states and 346 transitions. [2022-10-17 16:55:03,707 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 346 transitions. [2022-10-17 16:55:03,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:55:03,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:03,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:03,860 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 16:55:04,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:04,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 235 states and 361 transitions. [2022-10-17 16:55:04,240 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 361 transitions. [2022-10-17 16:55:04,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:55:04,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:04,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:04,348 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 16:55:04,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:04,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 243 states and 376 transitions. [2022-10-17 16:55:04,648 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 376 transitions. [2022-10-17 16:55:04,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:55:04,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:04,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:04,738 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 16:55:05,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:05,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 255 states and 399 transitions. [2022-10-17 16:55:05,665 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 399 transitions. [2022-10-17 16:55:05,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:55:05,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:05,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:05,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:05,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:05,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 255 states and 398 transitions. [2022-10-17 16:55:05,724 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 398 transitions. [2022-10-17 16:55:05,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:55:05,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:05,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:05,905 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 16:55:06,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:06,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 265 states and 412 transitions. [2022-10-17 16:55:06,774 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 412 transitions. [2022-10-17 16:55:06,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:55:06,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:06,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:06,813 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 16:55:07,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:07,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 273 states and 428 transitions. [2022-10-17 16:55:07,350 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 428 transitions. [2022-10-17 16:55:07,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:55:07,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:07,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:07,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:55:07,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:08,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 280 states and 438 transitions. [2022-10-17 16:55:08,000 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 438 transitions. [2022-10-17 16:55:08,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:55:08,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:08,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:08,125 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:55:08,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:08,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 281 states and 441 transitions. [2022-10-17 16:55:08,335 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 441 transitions. [2022-10-17 16:55:08,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:55:08,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:08,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:08,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:09,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:09,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 291 states and 463 transitions. [2022-10-17 16:55:09,653 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 463 transitions. [2022-10-17 16:55:09,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:55:09,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:09,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:09,868 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 16:55:09,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:09,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 292 states and 464 transitions. [2022-10-17 16:55:09,900 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 464 transitions. [2022-10-17 16:55:09,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:55:09,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:09,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:10,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:13,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 314 states and 508 transitions. [2022-10-17 16:55:13,753 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 508 transitions. [2022-10-17 16:55:13,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:55:13,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:13,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:14,254 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 16:55:17,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:17,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 336 states and 560 transitions. [2022-10-17 16:55:17,151 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 560 transitions. [2022-10-17 16:55:17,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:55:17,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:17,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:17,443 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 16:55:20,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 345 states and 590 transitions. [2022-10-17 16:55:20,050 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 590 transitions. [2022-10-17 16:55:20,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:55:20,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:20,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:20,118 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 16:55:20,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:20,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 346 states and 593 transitions. [2022-10-17 16:55:20,515 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 593 transitions. [2022-10-17 16:55:20,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:55:20,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:20,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:20,584 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 16:55:21,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:21,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 348 states and 596 transitions. [2022-10-17 16:55:21,008 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 596 transitions. [2022-10-17 16:55:21,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:55:21,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:21,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:21,093 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 16:55:21,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:21,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 349 states and 598 transitions. [2022-10-17 16:55:21,120 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 598 transitions. [2022-10-17 16:55:21,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:55:21,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:21,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:21,195 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 16:55:21,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:21,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 352 states and 604 transitions. [2022-10-17 16:55:21,621 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 604 transitions. [2022-10-17 16:55:21,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:55:21,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:21,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:21,693 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 16:55:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:22,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 352 states and 601 transitions. [2022-10-17 16:55:22,372 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 601 transitions. [2022-10-17 16:55:22,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:55:22,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:22,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:22,424 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 16:55:22,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:22,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 352 states and 597 transitions. [2022-10-17 16:55:22,630 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 597 transitions. [2022-10-17 16:55:22,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:55:22,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:22,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:22,678 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 16:55:23,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:23,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 352 states and 595 transitions. [2022-10-17 16:55:23,077 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 595 transitions. [2022-10-17 16:55:23,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:55:23,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:23,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:23,138 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 16:55:23,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:23,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 352 states and 591 transitions. [2022-10-17 16:55:23,370 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 591 transitions. [2022-10-17 16:55:23,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:55:23,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:23,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:23,435 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 16:55:23,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:23,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 350 states and 587 transitions. [2022-10-17 16:55:23,610 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 587 transitions. [2022-10-17 16:55:23,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:55:23,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:23,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:23,683 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 16:55:23,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:23,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 351 states and 588 transitions. [2022-10-17 16:55:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 588 transitions. [2022-10-17 16:55:23,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:55:23,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:23,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:23,978 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 16:55:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:24,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 352 states and 589 transitions. [2022-10-17 16:55:24,182 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 589 transitions. [2022-10-17 16:55:24,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:55:24,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:24,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:24,795 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.