./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.01.cil-1.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_d68e7481-4465-4a42-b130-bfed7837e9c9/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68e7481-4465-4a42-b130-bfed7837e9c9/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_d68e7481-4465-4a42-b130-bfed7837e9c9/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68e7481-4465-4a42-b130-bfed7837e9c9/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.01.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68e7481-4465-4a42-b130-bfed7837e9c9/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_d68e7481-4465-4a42-b130-bfed7837e9c9/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 1cb1e9f9bfe4ce8398614aac0d45a8427a39a2fa8ab7041c55d973b5f561ba6d --- 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 16:44:22,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:44:22,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:44:22,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:44:22,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:44:22,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:44:22,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:44:22,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:44:22,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:44:22,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:44:22,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:44:22,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:44:22,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:44:22,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:44:22,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:44:22,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:44:22,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:44:22,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:44:22,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:44:22,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:44:22,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:44:22,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:44:22,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:44:22,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:44:22,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:44:22,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:44:22,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:44:22,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:44:22,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:44:22,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:44:22,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:44:22,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:44:22,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:44:22,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:44:22,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:44:22,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:44:22,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:44:22,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:44:22,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:44:22,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:44:22,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:44:22,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68e7481-4465-4a42-b130-bfed7837e9c9/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:44:22,534 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:44:22,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:44:22,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:44:22,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:44:22,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:44:22,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:44:22,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:44:22,538 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:44:22,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:44:22,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:44:22,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:44:22,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:44:22,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:44:22,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:44:22,541 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:44:22,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:44:22,542 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:44:22,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:44:22,542 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:44:22,542 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:44:22,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:44:22,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:22,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:44:22,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:44:22,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:44:22,544 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:44:22,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:44:22,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:44:22,545 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_d68e7481-4465-4a42-b130-bfed7837e9c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68e7481-4465-4a42-b130-bfed7837e9c9/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb1e9f9bfe4ce8398614aac0d45a8427a39a2fa8ab7041c55d973b5f561ba6d [2022-10-17 16:44:22,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:44:22,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:44:22,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:44:22,858 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:44:22,859 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:44:22,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68e7481-4465-4a42-b130-bfed7837e9c9/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.01.cil-1.c [2022-10-17 16:44:22,948 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68e7481-4465-4a42-b130-bfed7837e9c9/bin/ukojak-92XMlrwhuB/data/fbb23fbd3/1c8483df349e48bb9a9a7ee25ac0bec1/FLAG50de34cfe [2022-10-17 16:44:24,016 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:44:24,017 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68e7481-4465-4a42-b130-bfed7837e9c9/sv-benchmarks/c/combinations/Problem05_label42+token_ring.01.cil-1.c [2022-10-17 16:44:24,083 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68e7481-4465-4a42-b130-bfed7837e9c9/bin/ukojak-92XMlrwhuB/data/fbb23fbd3/1c8483df349e48bb9a9a7ee25ac0bec1/FLAG50de34cfe [2022-10-17 16:44:24,334 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68e7481-4465-4a42-b130-bfed7837e9c9/bin/ukojak-92XMlrwhuB/data/fbb23fbd3/1c8483df349e48bb9a9a7ee25ac0bec1 [2022-10-17 16:44:24,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:44:24,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:44:24,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:24,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:44:24,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:44:24,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:24" (1/1) ... [2022-10-17 16:44:24,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c6908c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:24, skipping insertion in model container [2022-10-17 16:44:24,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:24" (1/1) ... [2022-10-17 16:44:24,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:44:24,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:44:27,600 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_d68e7481-4465-4a42-b130-bfed7837e9c9/sv-benchmarks/c/combinations/Problem05_label42+token_ring.01.cil-1.c[378560,378573] [2022-10-17 16:44:27,644 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_d68e7481-4465-4a42-b130-bfed7837e9c9/sv-benchmarks/c/combinations/Problem05_label42+token_ring.01.cil-1.c[383339,383352] [2022-10-17 16:44:27,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:27,870 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:44:29,384 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_d68e7481-4465-4a42-b130-bfed7837e9c9/sv-benchmarks/c/combinations/Problem05_label42+token_ring.01.cil-1.c[378560,378573] [2022-10-17 16:44:29,394 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_d68e7481-4465-4a42-b130-bfed7837e9c9/sv-benchmarks/c/combinations/Problem05_label42+token_ring.01.cil-1.c[383339,383352] [2022-10-17 16:44:29,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:29,612 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:44:29,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29 WrapperNode [2022-10-17 16:44:29,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:29,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:29,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:44:29,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:44:29,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:29,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:30,437 INFO L138 Inliner]: procedures = 46, calls = 44, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 12561 [2022-10-17 16:44:30,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:30,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:44:30,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:44:30,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:44:30,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:30,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:30,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:30,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:30,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:30,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:31,034 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:31,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:31,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:44:31,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:44:31,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:44:31,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:44:31,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:29" (1/1) ... [2022-10-17 16:44:31,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:31,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68e7481-4465-4a42-b130-bfed7837e9c9/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:44:31,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68e7481-4465-4a42-b130-bfed7837e9c9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:44:31,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68e7481-4465-4a42-b130-bfed7837e9c9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:44:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:44:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-17 16:44:31,406 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-17 16:44:31,406 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-17 16:44:31,406 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-17 16:44:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:44:31,407 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:44:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-17 16:44:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-17 16:44:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-17 16:44:31,413 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-17 16:44:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:44:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-17 16:44:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-17 16:44:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:44:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:44:31,659 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:44:31,668 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:44:41,572 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:44:44,269 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:44:44,269 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:44:44,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:44 BoogieIcfgContainer [2022-10-17 16:44:44,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:44:44,279 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:44:44,279 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:44:44,292 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:44:44,293 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:44" (1/1) ... [2022-10-17 16:44:44,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:44:44,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:44,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3367 states to 1710 states and 3367 transitions. [2022-10-17 16:44:44,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 3367 transitions. [2022-10-17 16:44:44,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:44:44,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:44,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:45,009 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 16:44:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 1715 states and 3375 transitions. [2022-10-17 16:44:45,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 3375 transitions. [2022-10-17 16:44:45,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:44:45,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:45,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:45,391 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 16:44:45,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:45,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 1716 states and 3375 transitions. [2022-10-17 16:44:45,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 3375 transitions. [2022-10-17 16:44:45,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:44:45,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:45,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:45,526 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 16:44:45,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:45,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 1724 states and 3390 transitions. [2022-10-17 16:44:45,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 3390 transitions. [2022-10-17 16:44:45,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:44:45,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:45,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:45,936 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 16:44:46,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:46,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 1737 states and 3418 transitions. [2022-10-17 16:44:46,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 3418 transitions. [2022-10-17 16:44:46,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:44:46,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:46,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:46,585 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 16:44:47,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:47,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3451 states to 1740 states and 3423 transitions. [2022-10-17 16:44:47,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 3423 transitions. [2022-10-17 16:44:47,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:44:47,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:47,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:47,226 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 16:44:47,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:47,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3446 states to 1738 states and 3418 transitions. [2022-10-17 16:44:47,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 3418 transitions. [2022-10-17 16:44:47,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:44:47,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:47,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:47,577 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 16:44:48,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:48,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 1750 states and 3444 transitions. [2022-10-17 16:44:48,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 3444 transitions. [2022-10-17 16:44:48,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:44:48,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:48,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:49,003 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:44:49,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:49,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 1752 states and 3450 transitions. [2022-10-17 16:44:49,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 3450 transitions. [2022-10-17 16:44:49,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:44:49,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:49,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:49,433 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 16:44:49,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:49,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 1749 states and 3442 transitions. [2022-10-17 16:44:49,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 3442 transitions. [2022-10-17 16:44:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:44:49,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:49,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:49,503 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:44:49,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:49,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 1751 states and 3445 transitions. [2022-10-17 16:44:49,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 3445 transitions. [2022-10-17 16:44:49,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:44:49,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:49,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:49,642 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:44:49,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:49,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 1748 states and 3436 transitions. [2022-10-17 16:44:49,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 3436 transitions. [2022-10-17 16:44:49,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:44:49,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:49,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:44:49,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:49,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 1750 states and 3440 transitions. [2022-10-17 16:44:49,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 3440 transitions. [2022-10-17 16:44:49,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:44:49,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:49,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:49,769 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:44:49,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:49,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 1750 states and 3439 transitions. [2022-10-17 16:44:49,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 3439 transitions. [2022-10-17 16:44:49,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:44:49,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:49,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:49,867 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 16:44:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:50,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3500 states to 1760 states and 3457 transitions. [2022-10-17 16:44:50,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 3457 transitions. [2022-10-17 16:44:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:44:50,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:50,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:50,536 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:44:50,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:50,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 1762 states and 3460 transitions. [2022-10-17 16:44:50,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 3460 transitions. [2022-10-17 16:44:50,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:44:50,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:50,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:50,871 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:44:50,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:50,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3502 states to 1762 states and 3459 transitions. [2022-10-17 16:44:50,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 3459 transitions. [2022-10-17 16:44:50,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:44:50,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:50,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:51,020 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:44:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3505 states to 1764 states and 3462 transitions. [2022-10-17 16:44:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 3462 transitions. [2022-10-17 16:44:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:44:51,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:51,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-17 16:44:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:51,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 1765 states and 3463 transitions. [2022-10-17 16:44:51,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 3463 transitions. [2022-10-17 16:44:51,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:44:51,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:51,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:51,224 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:44:51,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:51,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3512 states to 1769 states and 3469 transitions. [2022-10-17 16:44:51,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 3469 transitions. [2022-10-17 16:44:51,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:44:51,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:51,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat