./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.02.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_ddae0040-9074-437c-9291-f9a4d4aeb9fa/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddae0040-9074-437c-9291-f9a4d4aeb9fa/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_ddae0040-9074-437c-9291-f9a4d4aeb9fa/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddae0040-9074-437c-9291-f9a4d4aeb9fa/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.02.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddae0040-9074-437c-9291-f9a4d4aeb9fa/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_ddae0040-9074-437c-9291-f9a4d4aeb9fa/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 954b1f05390ccaafb1cee97c6b5216f4167723fe344c33082a0f73951b4d6f58 --- 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 16:31:12,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:12,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:12,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:12,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:12,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:12,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:12,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:12,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:12,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:12,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:12,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:12,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:12,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:12,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:12,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:12,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:12,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:12,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:12,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:12,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:12,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:12,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:12,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:12,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:12,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:12,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:12,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:12,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:12,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:12,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:12,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:12,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:12,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:12,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:12,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:12,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:12,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:12,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:12,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:12,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:12,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddae0040-9074-437c-9291-f9a4d4aeb9fa/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:31:12,499 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:12,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:12,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:31:12,502 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:31:12,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:12,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:12,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:12,504 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:31:12,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:31:12,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:31:12,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:12,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:31:12,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:12,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:31:12,508 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:31:12,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:31:12,508 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:12,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:31:12,509 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:12,509 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:12,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:12,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:12,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:12,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:12,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:31:12,511 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:31:12,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:31:12,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:31:12,514 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_ddae0040-9074-437c-9291-f9a4d4aeb9fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddae0040-9074-437c-9291-f9a4d4aeb9fa/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 954b1f05390ccaafb1cee97c6b5216f4167723fe344c33082a0f73951b4d6f58 [2022-10-17 16:31:12,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:12,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:12,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:12,882 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:12,883 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:12,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddae0040-9074-437c-9291-f9a4d4aeb9fa/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.02.cil-2.c [2022-10-17 16:31:12,979 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddae0040-9074-437c-9291-f9a4d4aeb9fa/bin/ukojak-92XMlrwhuB/data/7373c738d/706d7552c7934d7197a207509be61526/FLAGaa578237d [2022-10-17 16:31:14,230 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:14,231 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddae0040-9074-437c-9291-f9a4d4aeb9fa/sv-benchmarks/c/combinations/Problem05_label42+token_ring.02.cil-2.c [2022-10-17 16:31:14,300 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddae0040-9074-437c-9291-f9a4d4aeb9fa/bin/ukojak-92XMlrwhuB/data/7373c738d/706d7552c7934d7197a207509be61526/FLAGaa578237d [2022-10-17 16:31:14,414 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddae0040-9074-437c-9291-f9a4d4aeb9fa/bin/ukojak-92XMlrwhuB/data/7373c738d/706d7552c7934d7197a207509be61526 [2022-10-17 16:31:14,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:14,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:14,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:14,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:14,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:14,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:14" (1/1) ... [2022-10-17 16:31:14,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6987c34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:14, skipping insertion in model container [2022-10-17 16:31:14,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:14" (1/1) ... [2022-10-17 16:31:14,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:14,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:17,413 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_ddae0040-9074-437c-9291-f9a4d4aeb9fa/sv-benchmarks/c/combinations/Problem05_label42+token_ring.02.cil-2.c[378560,378573] [2022-10-17 16:31:17,442 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_ddae0040-9074-437c-9291-f9a4d4aeb9fa/sv-benchmarks/c/combinations/Problem05_label42+token_ring.02.cil-2.c[383339,383352] [2022-10-17 16:31:17,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:17,628 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:31:18,951 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_ddae0040-9074-437c-9291-f9a4d4aeb9fa/sv-benchmarks/c/combinations/Problem05_label42+token_ring.02.cil-2.c[378560,378573] [2022-10-17 16:31:18,961 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_ddae0040-9074-437c-9291-f9a4d4aeb9fa/sv-benchmarks/c/combinations/Problem05_label42+token_ring.02.cil-2.c[383339,383352] [2022-10-17 16:31:18,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:19,080 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:31:19,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19 WrapperNode [2022-10-17 16:31:19,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:19,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:19,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:31:19,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:31:19,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,791 INFO L138 Inliner]: procedures = 48, calls = 48, calls flagged for inlining = 25, calls inlined = 25, statements flattened = 12624 [2022-10-17 16:31:19,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:19,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:31:19,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:31:19,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:31:19,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:20,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:20,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:20,427 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:20,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:20,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:31:20,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:31:20,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:31:20,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:31:20,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:20,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:20,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddae0040-9074-437c-9291-f9a4d4aeb9fa/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:31:20,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddae0040-9074-437c-9291-f9a4d4aeb9fa/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:31:20,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddae0040-9074-437c-9291-f9a4d4aeb9fa/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:31:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:31:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-17 16:31:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-17 16:31:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-17 16:31:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-17 16:31:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-17 16:31:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-17 16:31:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:31:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:31:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-17 16:31:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-17 16:31:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-17 16:31:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-17 16:31:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:31:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-17 16:31:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-17 16:31:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:31:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:31:20,847 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:31:20,849 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:31:31,171 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:31:33,186 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:31:33,186 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 16:31:33,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:33 BoogieIcfgContainer [2022-10-17 16:31:33,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:31:33,192 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:31:33,192 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:31:33,204 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:31:33,204 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:33" (1/1) ... [2022-10-17 16:31:33,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:31:33,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:33,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 1727 states and 3395 transitions. [2022-10-17 16:31:33,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 3395 transitions. [2022-10-17 16:31:33,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:31:33,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:33,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:33,711 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 16:31:33,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:33,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3414 states to 1734 states and 3407 transitions. [2022-10-17 16:31:33,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 3407 transitions. [2022-10-17 16:31:33,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:31:33,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:33,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:34,060 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 16:31:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:34,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3414 states to 1735 states and 3407 transitions. [2022-10-17 16:31:34,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 3407 transitions. [2022-10-17 16:31:34,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:31:34,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:34,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:34,298 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 16:31:34,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:34,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3414 states to 1736 states and 3407 transitions. [2022-10-17 16:31:34,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 3407 transitions. [2022-10-17 16:31:34,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:31:34,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:34,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:34,480 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 16:31:34,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:34,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3426 states to 1739 states and 3412 transitions. [2022-10-17 16:31:34,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 3412 transitions. [2022-10-17 16:31:34,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:31:34,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:34,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:34,731 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 16:31:34,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:34,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 1747 states and 3427 transitions. [2022-10-17 16:31:34,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 3427 transitions. [2022-10-17 16:31:34,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:31:34,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:34,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:35,112 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 16:31:35,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:35,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 1760 states and 3454 transitions. [2022-10-17 16:31:35,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 3454 transitions. [2022-10-17 16:31:35,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:31:35,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:35,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:35,944 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 16:31:36,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:36,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 1765 states and 3465 transitions. [2022-10-17 16:31:36,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 3465 transitions. [2022-10-17 16:31:36,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:31:36,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:36,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:36,739 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 16:31:36,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:36,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3502 states to 1766 states and 3466 transitions. [2022-10-17 16:31:36,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 3466 transitions. [2022-10-17 16:31:36,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:31:36,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:36,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:37,126 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 16:31:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:38,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3553 states to 1781 states and 3500 transitions. [2022-10-17 16:31:38,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 3500 transitions. [2022-10-17 16:31:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:31:38,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:38,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:38,936 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 16:31:39,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:39,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 1786 states and 3512 transitions. [2022-10-17 16:31:39,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 3512 transitions. [2022-10-17 16:31:39,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:31:39,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:39,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:39,627 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 16:31:39,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:39,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 1780 states and 3499 transitions. [2022-10-17 16:31:39,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 3499 transitions. [2022-10-17 16:31:39,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:31:39,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:39,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:39,743 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 16:31:39,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:39,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 1781 states and 3500 transitions. [2022-10-17 16:31:39,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 3500 transitions. [2022-10-17 16:31:39,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:31:39,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:39,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:39,926 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 16:31:40,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:40,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 1784 states and 3507 transitions. [2022-10-17 16:31:40,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 3507 transitions. [2022-10-17 16:31:40,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:31:40,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:40,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:40,099 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 16:31:40,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:40,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3543 states to 1778 states and 3493 transitions. [2022-10-17 16:31:40,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 3493 transitions. [2022-10-17 16:31:40,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:31:40,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:40,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:40,173 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 16:31:40,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:40,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 1779 states and 3494 transitions. [2022-10-17 16:31:40,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 3494 transitions. [2022-10-17 16:31:40,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:31:40,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:40,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:40,230 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 16:31:40,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:40,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3543 states to 1779 states and 3493 transitions. [2022-10-17 16:31:40,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 3493 transitions. [2022-10-17 16:31:40,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:31:40,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:40,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:40,301 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 16:31:40,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:40,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 1781 states and 3497 transitions. [2022-10-17 16:31:40,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 3497 transitions. [2022-10-17 16:31:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:31:40,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:40,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:40,375 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 16:31:40,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:40,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 1783 states and 3501 transitions. [2022-10-17 16:31:40,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 3501 transitions. [2022-10-17 16:31:40,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:31:40,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:40,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:40,493 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.