./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.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_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/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_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/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_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/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 8b411c6ac71505d2c5059a06fd3211eebca89561d9ac8be37f9ecc9ff82a7a16 --- 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 16:41:56,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:41:56,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:41:56,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:41:56,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:41:56,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:41:56,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:41:56,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:41:56,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:41:56,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:41:56,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:41:56,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:41:56,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:41:56,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:41:56,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:41:56,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:41:56,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:41:56,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:41:56,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:41:56,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:41:56,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:41:56,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:41:56,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:41:56,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:41:56,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:41:56,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:41:56,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:41:56,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:41:56,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:41:56,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:41:56,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:41:56,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:41:56,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:41:56,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:41:56,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:41:56,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:41:56,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:41:56,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:41:56,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:41:56,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:41:56,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:41:56,475 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:41:56,500 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:41:56,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:41:56,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:41:56,502 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:41:56,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:41:56,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:41:56,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:41:56,503 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:41:56,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:41:56,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:41:56,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:41:56,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:41:56,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:41:56,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:41:56,505 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:41:56,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:41:56,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:41:56,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:41:56,506 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:41:56,506 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:41:56,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:41:56,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:56,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:41:56,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:41:56,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:41:56,508 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:41:56,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:41:56,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:41:56,509 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_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b411c6ac71505d2c5059a06fd3211eebca89561d9ac8be37f9ecc9ff82a7a16 [2022-10-17 16:41:56,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:41:56,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:41:56,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:41:56,797 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:41:56,798 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:41:56,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c [2022-10-17 16:41:56,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/bin/ukojak-92XMlrwhuB/data/5043358e3/fc80d3e1bdf34bb483810bb93ffb8a78/FLAG59b0878c7 [2022-10-17 16:41:57,407 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:57,408 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c [2022-10-17 16:41:57,423 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/bin/ukojak-92XMlrwhuB/data/5043358e3/fc80d3e1bdf34bb483810bb93ffb8a78/FLAG59b0878c7 [2022-10-17 16:41:57,725 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/bin/ukojak-92XMlrwhuB/data/5043358e3/fc80d3e1bdf34bb483810bb93ffb8a78 [2022-10-17 16:41:57,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:57,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:57,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:57,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:57,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:57,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:57" (1/1) ... [2022-10-17 16:41:57,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e0c9aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:57, skipping insertion in model container [2022-10-17 16:41:57,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:57" (1/1) ... [2022-10-17 16:41:57,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:57,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:58,095 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_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c[914,927] [2022-10-17 16:41:58,191 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_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c[7115,7128] [2022-10-17 16:41:58,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:58,259 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:58,271 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_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c[914,927] [2022-10-17 16:41:58,291 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_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c[7115,7128] [2022-10-17 16:41:58,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:58,361 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:58,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:58 WrapperNode [2022-10-17 16:41:58,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:58,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:58,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:58,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:58,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:58" (1/1) ... [2022-10-17 16:41:58,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:58" (1/1) ... [2022-10-17 16:41:58,438 INFO L138 Inliner]: procedures = 63, calls = 73, calls flagged for inlining = 31, calls inlined = 31, statements flattened = 639 [2022-10-17 16:41:58,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:58,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:58,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:58,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:58,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:58" (1/1) ... [2022-10-17 16:41:58,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:58" (1/1) ... [2022-10-17 16:41:58,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:58" (1/1) ... [2022-10-17 16:41:58,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:58" (1/1) ... [2022-10-17 16:41:58,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:58" (1/1) ... [2022-10-17 16:41:58,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:58" (1/1) ... [2022-10-17 16:41:58,498 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:58" (1/1) ... [2022-10-17 16:41:58,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:58" (1/1) ... [2022-10-17 16:41:58,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:58,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:58,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:58,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:58,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:58" (1/1) ... [2022-10-17 16:41:58,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:58,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:58,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:58,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3ab5e2-df8d-415b-ac3c-92b24d767ebe/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:41:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:41:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:41:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2022-10-17 16:41:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2022-10-17 16:41:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-10-17 16:41:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-10-17 16:41:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-10-17 16:41:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-10-17 16:41:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2022-10-17 16:41:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2022-10-17 16:41:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-10-17 16:41:58,619 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-10-17 16:41:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-10-17 16:41:58,619 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-10-17 16:41:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2022-10-17 16:41:58,619 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2022-10-17 16:41:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2022-10-17 16:41:58,620 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2022-10-17 16:41:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2022-10-17 16:41:58,620 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2022-10-17 16:41:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-10-17 16:41:58,620 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-10-17 16:41:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:41:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-10-17 16:41:58,621 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-10-17 16:41:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2022-10-17 16:41:58,621 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2022-10-17 16:41:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:58,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-10-17 16:41:58,621 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-10-17 16:41:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2022-10-17 16:41:58,622 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2022-10-17 16:41:58,722 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:58,725 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:59,684 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:42:00,076 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:42:00,077 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-10-17 16:42:00,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:00 BoogieIcfgContainer [2022-10-17 16:42:00,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:42:00,083 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:42:00,083 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:42:00,094 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:42:00,095 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:00" (1/1) ... [2022-10-17 16:42:00,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:42:00,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:00,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 189 states and 277 transitions. [2022-10-17 16:42:00,187 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 277 transitions. [2022-10-17 16:42:00,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:42:00,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:00,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:00,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:01,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:01,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 201 states and 294 transitions. [2022-10-17 16:42:01,189 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 294 transitions. [2022-10-17 16:42:01,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:42:01,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:01,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:01,348 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 16:42:02,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:02,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 200 states and 291 transitions. [2022-10-17 16:42:02,014 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 291 transitions. [2022-10-17 16:42:02,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:42:02,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:02,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:02,139 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 16:42:02,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:02,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 210 states and 311 transitions. [2022-10-17 16:42:02,579 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 311 transitions. [2022-10-17 16:42:02,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:42:02,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:02,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:02,716 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 16:42:03,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:03,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 222 states and 334 transitions. [2022-10-17 16:42:03,341 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 334 transitions. [2022-10-17 16:42:03,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:42:03,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:03,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:03,588 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 16:42:03,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:03,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 239 states and 366 transitions. [2022-10-17 16:42:03,712 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 366 transitions. [2022-10-17 16:42:03,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:42:03,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:03,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:03,854 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 16:42:03,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:03,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 240 states and 366 transitions. [2022-10-17 16:42:03,879 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 366 transitions. [2022-10-17 16:42:03,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:42:03,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:03,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:03,992 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 16:42:04,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:04,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 241 states and 366 transitions. [2022-10-17 16:42:04,006 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 366 transitions. [2022-10-17 16:42:04,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:42:04,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:04,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:04,100 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 16:42:04,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:04,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 242 states and 366 transitions. [2022-10-17 16:42:04,112 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 366 transitions. [2022-10-17 16:42:04,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:42:04,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:04,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:04,197 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 16:42:04,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:04,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 243 states and 366 transitions. [2022-10-17 16:42:04,215 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 366 transitions. [2022-10-17 16:42:04,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:42:04,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:04,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:04,372 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 16:42:04,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:04,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 258 states and 399 transitions. [2022-10-17 16:42:04,762 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 399 transitions. [2022-10-17 16:42:04,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:42:04,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:04,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:04,831 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 16:42:04,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:04,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 259 states and 399 transitions. [2022-10-17 16:42:04,846 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 399 transitions. [2022-10-17 16:42:04,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:42:04,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:04,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:04,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:04,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:04,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 260 states and 399 transitions. [2022-10-17 16:42:04,928 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 399 transitions. [2022-10-17 16:42:04,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:42:04,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:04,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:05,083 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 16:42:05,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:05,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 269 states and 420 transitions. [2022-10-17 16:42:05,458 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 420 transitions. [2022-10-17 16:42:05,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:42:05,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:05,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:05,528 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 16:42:05,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:05,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 270 states and 420 transitions. [2022-10-17 16:42:05,545 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 420 transitions. [2022-10-17 16:42:05,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:42:05,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:05,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:05,634 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 16:42:05,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:05,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 278 states and 435 transitions. [2022-10-17 16:42:05,968 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 435 transitions. [2022-10-17 16:42:05,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:42:05,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:05,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:06,010 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 16:42:06,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:06,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 278 states and 434 transitions. [2022-10-17 16:42:06,031 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 434 transitions. [2022-10-17 16:42:06,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:42:06,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:06,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:06,197 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 16:42:07,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:07,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 288 states and 448 transitions. [2022-10-17 16:42:07,045 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 448 transitions. [2022-10-17 16:42:07,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:42:07,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:07,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:07,107 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 16:42:07,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:07,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 296 states and 464 transitions. [2022-10-17 16:42:07,602 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 464 transitions. [2022-10-17 16:42:07,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:42:07,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:07,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:07,641 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 16:42:08,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:08,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 303 states and 474 transitions. [2022-10-17 16:42:08,208 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 474 transitions. [2022-10-17 16:42:08,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:42:08,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:08,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:08,391 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 16:42:08,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:08,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 304 states and 477 transitions. [2022-10-17 16:42:08,587 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 477 transitions. [2022-10-17 16:42:08,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:42:08,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:08,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:08,771 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 16:42:09,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:09,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 314 states and 499 transitions. [2022-10-17 16:42:09,744 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 499 transitions. [2022-10-17 16:42:09,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:42:09,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:09,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:09,899 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 16:42:09,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:09,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 315 states and 500 transitions. [2022-10-17 16:42:09,921 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 500 transitions. [2022-10-17 16:42:09,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:42:09,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:09,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:10,271 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 16:42:13,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:13,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 337 states and 544 transitions. [2022-10-17 16:42:13,762 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 544 transitions. [2022-10-17 16:42:13,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:42:13,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:13,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:13,910 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:42:14,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:14,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 341 states and 549 transitions. [2022-10-17 16:42:14,170 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 549 transitions. [2022-10-17 16:42:14,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:42:14,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:14,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:14,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:42:14,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:14,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 341 states and 547 transitions. [2022-10-17 16:42:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 547 transitions. [2022-10-17 16:42:14,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:42:14,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:14,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:14,968 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:42:15,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:15,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 348 states and 564 transitions. [2022-10-17 16:42:15,890 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 564 transitions. [2022-10-17 16:42:15,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:42:15,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:15,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:16,504 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 16:42:19,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:19,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 361 states and 591 transitions. [2022-10-17 16:42:19,190 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 591 transitions. [2022-10-17 16:42:19,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:42:19,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:19,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:42:20,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:20,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 360 states and 588 transitions. [2022-10-17 16:42:20,865 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2022-10-17 16:42:20,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:42:20,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:20,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:21,470 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 16:42:24,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:24,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 385 states and 646 transitions. [2022-10-17 16:42:24,957 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 646 transitions. [2022-10-17 16:42:24,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:42:24,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:24,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.