./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/token_ring.01.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc34d6-d324-4a6b-b093-0765ef29cbf9/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc34d6-d324-4a6b-b093-0765ef29cbf9/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_61fc34d6-d324-4a6b-b093-0765ef29cbf9/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc34d6-d324-4a6b-b093-0765ef29cbf9/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/token_ring.01.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc34d6-d324-4a6b-b093-0765ef29cbf9/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_61fc34d6-d324-4a6b-b093-0765ef29cbf9/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 7b0a21004c99a1cc1588d43a2481960a2ce9f2cdf68e9a363306433e7d24bd30 --- 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 16:58:02,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:58:02,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:58:02,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:58:02,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:58:02,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:58:02,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:58:02,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:58:02,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:58:02,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:58:02,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:58:02,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:58:02,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:58:02,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:58:02,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:58:02,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:58:02,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:58:02,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:58:02,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:58:02,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:58:02,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:58:02,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:58:02,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:58:02,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:58:02,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:58:02,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:58:02,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:58:02,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:58:02,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:58:02,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:58:02,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:58:02,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:58:02,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:58:02,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:58:02,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:58:02,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:58:02,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:58:02,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:58:02,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:58:02,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:58:02,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:58:02,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc34d6-d324-4a6b-b093-0765ef29cbf9/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:58:02,486 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:58:02,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:58:02,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:58:02,488 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:58:02,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:58:02,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:58:02,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:58:02,490 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:58:02,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:58:02,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:58:02,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:58:02,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:58:02,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:58:02,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:58:02,492 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:58:02,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:58:02,492 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:58:02,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:58:02,493 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:58:02,493 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:58:02,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:58:02,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:02,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:58:02,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:58:02,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:58:02,495 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:58:02,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:58:02,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:58:02,496 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_61fc34d6-d324-4a6b-b093-0765ef29cbf9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc34d6-d324-4a6b-b093-0765ef29cbf9/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b0a21004c99a1cc1588d43a2481960a2ce9f2cdf68e9a363306433e7d24bd30 [2022-10-17 16:58:02,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:58:02,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:58:02,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:58:02,949 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:58:02,951 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:58:02,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc34d6-d324-4a6b-b093-0765ef29cbf9/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/systemc/token_ring.01.cil-1.c [2022-10-17 16:58:03,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc34d6-d324-4a6b-b093-0765ef29cbf9/bin/ukojak-92XMlrwhuB/data/591ed7b75/aea73126943646cabfc4551352ec6a78/FLAGb86ae1b53 [2022-10-17 16:58:03,627 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:58:03,628 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc34d6-d324-4a6b-b093-0765ef29cbf9/sv-benchmarks/c/systemc/token_ring.01.cil-1.c [2022-10-17 16:58:03,640 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc34d6-d324-4a6b-b093-0765ef29cbf9/bin/ukojak-92XMlrwhuB/data/591ed7b75/aea73126943646cabfc4551352ec6a78/FLAGb86ae1b53 [2022-10-17 16:58:03,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc34d6-d324-4a6b-b093-0765ef29cbf9/bin/ukojak-92XMlrwhuB/data/591ed7b75/aea73126943646cabfc4551352ec6a78 [2022-10-17 16:58:03,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:58:03,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:58:03,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:03,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:58:03,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:58:03,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:03" (1/1) ... [2022-10-17 16:58:03,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@655ee87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:03, skipping insertion in model container [2022-10-17 16:58:03,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:03" (1/1) ... [2022-10-17 16:58:04,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:58:04,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:58:04,266 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_61fc34d6-d324-4a6b-b093-0765ef29cbf9/sv-benchmarks/c/systemc/token_ring.01.cil-1.c[671,684] [2022-10-17 16:58:04,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:04,345 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:58:04,361 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_61fc34d6-d324-4a6b-b093-0765ef29cbf9/sv-benchmarks/c/systemc/token_ring.01.cil-1.c[671,684] [2022-10-17 16:58:04,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:04,417 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:58:04,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:04 WrapperNode [2022-10-17 16:58:04,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:04,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:04,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:58:04,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:58:04,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:04" (1/1) ... [2022-10-17 16:58:04,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:04" (1/1) ... [2022-10-17 16:58:04,511 INFO L138 Inliner]: procedures = 30, calls = 34, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 215 [2022-10-17 16:58:04,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:04,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:58:04,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:58:04,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:58:04,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:04" (1/1) ... [2022-10-17 16:58:04,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:04" (1/1) ... [2022-10-17 16:58:04,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:04" (1/1) ... [2022-10-17 16:58:04,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:04" (1/1) ... [2022-10-17 16:58:04,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:04" (1/1) ... [2022-10-17 16:58:04,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:04" (1/1) ... [2022-10-17 16:58:04,549 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:04" (1/1) ... [2022-10-17 16:58:04,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:04" (1/1) ... [2022-10-17 16:58:04,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:58:04,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:58:04,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:58:04,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:58:04,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:04" (1/1) ... [2022-10-17 16:58:04,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:04,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc34d6-d324-4a6b-b093-0765ef29cbf9/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:58:04,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc34d6-d324-4a6b-b093-0765ef29cbf9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:58:04,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61fc34d6-d324-4a6b-b093-0765ef29cbf9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:58:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:58:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-17 16:58:04,678 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-17 16:58:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-17 16:58:04,679 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-17 16:58:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:58:04,679 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:58:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-17 16:58:04,680 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-17 16:58:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-17 16:58:04,680 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-17 16:58:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:58:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-17 16:58:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-17 16:58:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:58:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:58:04,771 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:58:04,774 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:58:05,288 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:58:05,510 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:58:05,510 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:58:05,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:05 BoogieIcfgContainer [2022-10-17 16:58:05,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:58:05,516 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:58:05,516 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:58:05,540 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:58:05,540 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:05" (1/1) ... [2022-10-17 16:58:05,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:58:05,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:05,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 94 transitions. [2022-10-17 16:58:05,628 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2022-10-17 16:58:05,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:58:05,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:05,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:06,054 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 16:58:06,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:06,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 72 states and 102 transitions. [2022-10-17 16:58:06,345 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2022-10-17 16:58:06,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:58:06,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:06,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:06,541 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 16:58:06,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:06,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 73 states and 102 transitions. [2022-10-17 16:58:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2022-10-17 16:58:06,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:58:06,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:06,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:06,912 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 16:58:07,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:07,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 81 states and 117 transitions. [2022-10-17 16:58:07,182 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2022-10-17 16:58:07,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:58:07,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:07,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:07,468 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 16:58:07,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:07,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 94 states and 145 transitions. [2022-10-17 16:58:07,940 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2022-10-17 16:58:07,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:58:07,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:07,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:08,070 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 16:58:08,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:08,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 96 states and 150 transitions. [2022-10-17 16:58:08,624 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 150 transitions. [2022-10-17 16:58:08,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:58:08,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:08,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:08,715 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 16:58:08,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:08,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 94 states and 145 transitions. [2022-10-17 16:58:08,882 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2022-10-17 16:58:08,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:58:08,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:08,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:09,211 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 16:58:10,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 109 states and 177 transitions. [2022-10-17 16:58:10,578 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 177 transitions. [2022-10-17 16:58:10,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:58:10,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:10,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:10,621 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 16:58:11,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:11,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 111 states and 183 transitions. [2022-10-17 16:58:11,112 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 183 transitions. [2022-10-17 16:58:11,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:58:11,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:11,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:11,156 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 16:58:11,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:11,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 108 states and 175 transitions. [2022-10-17 16:58:11,363 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 175 transitions. [2022-10-17 16:58:11,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:58:11,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:11,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:11,408 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 16:58:11,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:11,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 106 states and 171 transitions. [2022-10-17 16:58:11,557 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 171 transitions. [2022-10-17 16:58:11,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:58:11,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:11,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:11,603 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 16:58:11,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:11,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 108 states and 174 transitions. [2022-10-17 16:58:11,731 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 174 transitions. [2022-10-17 16:58:11,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:58:11,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:11,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:11,775 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 16:58:11,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:11,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 105 states and 165 transitions. [2022-10-17 16:58:11,980 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 165 transitions. [2022-10-17 16:58:11,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:58:11,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:11,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:12,018 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 16:58:12,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:12,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 107 states and 169 transitions. [2022-10-17 16:58:12,060 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 169 transitions. [2022-10-17 16:58:12,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:58:12,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:12,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:12,087 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 16:58:12,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:12,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 107 states and 168 transitions. [2022-10-17 16:58:12,122 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 168 transitions. [2022-10-17 16:58:12,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:58:12,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:12,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:12,211 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 16:58:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 117 states and 186 transitions. [2022-10-17 16:58:13,171 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 186 transitions. [2022-10-17 16:58:13,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:58:13,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:13,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:58:13,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:13,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 119 states and 189 transitions. [2022-10-17 16:58:13,597 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 189 transitions. [2022-10-17 16:58:13,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:58:13,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:13,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:13,736 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:58:13,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:13,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 119 states and 188 transitions. [2022-10-17 16:58:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 188 transitions. [2022-10-17 16:58:13,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:58:13,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:13,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:58:14,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:14,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 121 states and 191 transitions. [2022-10-17 16:58:14,038 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 191 transitions. [2022-10-17 16:58:14,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:58:14,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:14,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-17 16:58:14,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:14,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 122 states and 192 transitions. [2022-10-17 16:58:14,191 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 192 transitions. [2022-10-17 16:58:14,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:58:14,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:14,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:14,307 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:58:14,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:14,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 132 states and 211 transitions. [2022-10-17 16:58:14,640 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 211 transitions. [2022-10-17 16:58:14,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:58:14,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:14,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:14,682 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:58:14,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:14,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 133 states and 211 transitions. [2022-10-17 16:58:14,728 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 211 transitions. [2022-10-17 16:58:14,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:58:14,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:14,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:14,970 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:58:15,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:15,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 145 states and 236 transitions. [2022-10-17 16:58:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 236 transitions. [2022-10-17 16:58:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:58:15,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:15,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:15,927 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:58:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:17,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 155 states and 262 transitions. [2022-10-17 16:58:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 262 transitions. [2022-10-17 16:58:17,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:58:17,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:17,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:17,521 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:58:18,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:18,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 157 states and 267 transitions. [2022-10-17 16:58:18,186 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 267 transitions. [2022-10-17 16:58:18,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:58:18,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:18,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:18,224 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:58:18,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:18,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 159 states and 271 transitions. [2022-10-17 16:58:18,718 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 271 transitions. [2022-10-17 16:58:18,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:58:18,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:18,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:18,761 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:58:18,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:18,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 159 states and 269 transitions. [2022-10-17 16:58:18,988 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 269 transitions. [2022-10-17 16:58:18,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:58:18,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:18,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:19,026 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:58:19,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:19,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 157 states and 265 transitions. [2022-10-17 16:58:19,242 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 265 transitions. [2022-10-17 16:58:19,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:58:19,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:19,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:19,368 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:58:20,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:20,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 164 states and 279 transitions. [2022-10-17 16:58:20,336 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 279 transitions. [2022-10-17 16:58:20,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:58:20,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:20,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:20,382 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:58:20,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:20,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 162 states and 273 transitions. [2022-10-17 16:58:20,425 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 273 transitions. [2022-10-17 16:58:20,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:58:20,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:20,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:20,466 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:58:20,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:20,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 160 states and 267 transitions. [2022-10-17 16:58:20,534 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 267 transitions. [2022-10-17 16:58:20,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:58:20,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:20,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:20,578 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:58:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:20,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 156 states and 256 transitions. [2022-10-17 16:58:20,622 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 256 transitions. [2022-10-17 16:58:20,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:58:20,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:20,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:20,664 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:58:20,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:20,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 158 states and 260 transitions. [2022-10-17 16:58:20,695 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 260 transitions. [2022-10-17 16:58:20,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 16:58:20,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:20,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:20,739 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 16:58:21,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:21,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 159 states and 261 transitions. [2022-10-17 16:58:21,270 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 261 transitions. [2022-10-17 16:58:21,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:58:21,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:21,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:21,321 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:58:22,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:22,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 164 states and 270 transitions. [2022-10-17 16:58:22,251 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 270 transitions. [2022-10-17 16:58:22,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:58:22,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:22,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:22,309 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:58:22,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:22,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 167 states and 275 transitions. [2022-10-17 16:58:22,866 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 275 transitions. [2022-10-17 16:58:22,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:58:22,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:22,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:22,996 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-17 16:58:23,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:23,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 168 states and 275 transitions. [2022-10-17 16:58:23,180 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 275 transitions. [2022-10-17 16:58:23,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:58:23,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:23,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:23,220 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:58:25,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:25,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 183 states and 305 transitions. [2022-10-17 16:58:25,065 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 305 transitions. [2022-10-17 16:58:25,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:58:25,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:25,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:25,100 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:58:25,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:25,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 186 states and 311 transitions. [2022-10-17 16:58:25,418 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 311 transitions. [2022-10-17 16:58:25,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 16:58:25,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:25,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:25,459 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 16:58:25,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:25,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 191 states and 320 transitions. [2022-10-17 16:58:25,511 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 320 transitions. [2022-10-17 16:58:25,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 16:58:25,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:25,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:25,971 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:58:26,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 191 states and 319 transitions. [2022-10-17 16:58:26,685 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 319 transitions. [2022-10-17 16:58:26,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:58:26,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:26,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:26,727 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:58:27,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:27,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 196 states and 328 transitions. [2022-10-17 16:58:27,004 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 328 transitions. [2022-10-17 16:58:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:58:27,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:27,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:27,287 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-17 16:58:28,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:28,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 205 states and 352 transitions. [2022-10-17 16:58:28,803 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 352 transitions. [2022-10-17 16:58:28,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-17 16:58:28,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:28,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.