./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.02.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812729aa-8aa2-427b-9d7c-9aa5f105a09b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812729aa-8aa2-427b-9d7c-9aa5f105a09b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812729aa-8aa2-427b-9d7c-9aa5f105a09b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812729aa-8aa2-427b-9d7c-9aa5f105a09b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.02.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812729aa-8aa2-427b-9d7c-9aa5f105a09b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812729aa-8aa2-427b-9d7c-9aa5f105a09b/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 c77adeba6cdfcefcbb31bf939774adeb705a38d7ca9279d598a2176e2713682c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:57:47,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:57:47,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812729aa-8aa2-427b-9d7c-9aa5f105a09b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:57:47,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:57:47,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:57:47,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:57:47,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:57:47,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:57:47,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:57:47,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:57:47,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:57:47,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:57:47,937 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:57:47,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:57:47,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:57:47,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:57:47,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:57:47,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:57:47,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:57:47,941 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:57:47,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:57:47,942 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:57:47,942 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:57:47,943 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:57:47,943 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:57:47,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:57:47,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:47,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:57:47,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:57:47,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:57:47,947 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:57:47,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:57:47,948 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:57:47,948 INFO L153 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_812729aa-8aa2-427b-9d7c-9aa5f105a09b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812729aa-8aa2-427b-9d7c-9aa5f105a09b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c77adeba6cdfcefcbb31bf939774adeb705a38d7ca9279d598a2176e2713682c [2023-11-19 02:57:48,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:57:48,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:57:48,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:57:48,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:57:48,302 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:57:48,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812729aa-8aa2-427b-9d7c-9aa5f105a09b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.02.cil-1.c [2023-11-19 02:57:51,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:57:52,260 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:57:52,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812729aa-8aa2-427b-9d7c-9aa5f105a09b/sv-benchmarks/c/combinations/Problem05_label43+token_ring.02.cil-1.c [2023-11-19 02:57:52,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812729aa-8aa2-427b-9d7c-9aa5f105a09b/bin/ukojak-verify-G8NBE6pJGL/data/4a51950c5/b1857efef060475a8bcb7e8f56dad14f/FLAGa19cf500c [2023-11-19 02:57:52,345 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812729aa-8aa2-427b-9d7c-9aa5f105a09b/bin/ukojak-verify-G8NBE6pJGL/data/4a51950c5/b1857efef060475a8bcb7e8f56dad14f [2023-11-19 02:57:52,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:57:52,352 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:57:52,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:52,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:57:52,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:57:52,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:52" (1/1) ... [2023-11-19 02:57:52,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e502d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:52, skipping insertion in model container [2023-11-19 02:57:52,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:52" (1/1) ... [2023-11-19 02:57:52,602 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:57:55,057 WARN L240 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_812729aa-8aa2-427b-9d7c-9aa5f105a09b/sv-benchmarks/c/combinations/Problem05_label43+token_ring.02.cil-1.c[381679,381692] [2023-11-19 02:57:55,084 WARN L240 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_812729aa-8aa2-427b-9d7c-9aa5f105a09b/sv-benchmarks/c/combinations/Problem05_label43+token_ring.02.cil-1.c[383339,383352] [2023-11-19 02:57:55,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:55,270 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:57:56,494 WARN L240 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_812729aa-8aa2-427b-9d7c-9aa5f105a09b/sv-benchmarks/c/combinations/Problem05_label43+token_ring.02.cil-1.c[381679,381692] [2023-11-19 02:57:56,499 WARN L240 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_812729aa-8aa2-427b-9d7c-9aa5f105a09b/sv-benchmarks/c/combinations/Problem05_label43+token_ring.02.cil-1.c[383339,383352] [2023-11-19 02:57:56,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:56,576 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:57:56,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:56 WrapperNode [2023-11-19 02:57:56,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:56,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:56,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:57:56,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:57:56,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:56" (1/1) ... [2023-11-19 02:57:56,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:56" (1/1) ... [2023-11-19 02:57:57,257 INFO L138 Inliner]: procedures = 48, calls = 47, calls flagged for inlining = 26, calls inlined = 26, statements flattened = 12628 [2023-11-19 02:57:57,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:57,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:57:57,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:57:57,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:57:57,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:56" (1/1) ... [2023-11-19 02:57:57,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:56" (1/1) ... [2023-11-19 02:57:57,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:56" (1/1) ... [2023-11-19 02:57:57,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:56" (1/1) ... [2023-11-19 02:57:57,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:56" (1/1) ... [2023-11-19 02:57:57,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:56" (1/1) ... [2023-11-19 02:57:57,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:56" (1/1) ... [2023-11-19 02:57:57,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:56" (1/1) ... [2023-11-19 02:57:57,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:57:57,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:57:57,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:57:57,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:57:57,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:56" (1/1) ... [2023-11-19 02:57:57,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:57,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812729aa-8aa2-427b-9d7c-9aa5f105a09b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:57:57,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812729aa-8aa2-427b-9d7c-9aa5f105a09b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:57:57,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812729aa-8aa2-427b-9d7c-9aa5f105a09b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:57:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:57:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-11-19 02:57:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-11-19 02:57:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-11-19 02:57:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-11-19 02:57:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 02:57:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 02:57:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-11-19 02:57:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-11-19 02:57:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-11-19 02:57:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-11-19 02:57:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:57:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-11-19 02:57:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-11-19 02:57:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:57:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:57:58,243 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:57:58,246 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:07,858 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:10,297 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:10,298 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 02:58:10,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:10 BoogieIcfgContainer [2023-11-19 02:58:10,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:10,315 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:10,315 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:10,325 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:10,326 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:10" (1/1) ... [2023-11-19 02:58:10,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:58:10,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:10,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 1724 states and 3388 transitions. [2023-11-19 02:58:10,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 3388 transitions. [2023-11-19 02:58:10,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:58:10,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:10,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:10,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:11,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:11,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 1732 states and 3402 transitions. [2023-11-19 02:58:11,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 3402 transitions. [2023-11-19 02:58:11,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:58:11,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:11,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:11,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:11,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:11,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 1733 states and 3402 transitions. [2023-11-19 02:58:11,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 3402 transitions. [2023-11-19 02:58:11,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:58:11,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:11,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:11,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:11,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 1734 states and 3402 transitions. [2023-11-19 02:58:11,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 3402 transitions. [2023-11-19 02:58:11,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:58:11,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:11,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:11,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:11,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 1737 states and 3407 transitions. [2023-11-19 02:58:11,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 3407 transitions. [2023-11-19 02:58:11,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:58:11,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:11,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:11,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:11,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:11,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3437 states to 1745 states and 3421 transitions. [2023-11-19 02:58:11,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 3421 transitions. [2023-11-19 02:58:11,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:58:11,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:11,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:12,055 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:12,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:12,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3473 states to 1758 states and 3447 transitions. [2023-11-19 02:58:12,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 3447 transitions. [2023-11-19 02:58:12,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:58:12,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:12,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:12,892 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:58:13,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:13,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3494 states to 1763 states and 3458 transitions. [2023-11-19 02:58:13,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 3458 transitions. [2023-11-19 02:58:13,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:58:13,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:13,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:13,887 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:58:13,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:13,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3495 states to 1764 states and 3459 transitions. [2023-11-19 02:58:13,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 3459 transitions. [2023-11-19 02:58:13,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:58:13,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:13,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:14,103 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:58:14,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:14,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 1758 states and 3446 transitions. [2023-11-19 02:58:14,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 3446 transitions. [2023-11-19 02:58:14,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:58:14,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:14,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:14,482 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:16,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:16,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 1774 states and 3480 transitions. [2023-11-19 02:58:16,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 3480 transitions. [2023-11-19 02:58:16,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:58:16,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:16,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:58:17,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:17,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 1779 states and 3492 transitions. [2023-11-19 02:58:17,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 3492 transitions. [2023-11-19 02:58:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:58:17,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:17,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:58:17,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:17,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 1780 states and 3493 transitions. [2023-11-19 02:58:17,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 3493 transitions. [2023-11-19 02:58:17,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:58:17,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:17,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:17,612 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:58:17,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:17,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3529 states to 1774 states and 3479 transitions. [2023-11-19 02:58:17,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 3479 transitions. [2023-11-19 02:58:17,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:58:17,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:17,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:18,087 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:21,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:21,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3587 states to 1793 states and 3519 transitions. [2023-11-19 02:58:21,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 3519 transitions. [2023-11-19 02:58:21,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:58:21,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:21,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:21,685 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:58:22,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:22,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 1797 states and 3530 transitions. [2023-11-19 02:58:22,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 3530 transitions. [2023-11-19 02:58:22,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:58:22,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:22,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:22,672 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:58:22,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:22,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3601 states to 1798 states and 3531 transitions. [2023-11-19 02:58:22,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 3531 transitions. [2023-11-19 02:58:22,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:58:22,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:22,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:22,867 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:22,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:22,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 1798 states and 3530 transitions. [2023-11-19 02:58:22,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 3530 transitions. [2023-11-19 02:58:22,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:58:22,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:22,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:22,946 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:58:23,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:23,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 1793 states and 3517 transitions. [2023-11-19 02:58:23,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 3517 transitions. [2023-11-19 02:58:23,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:58:23,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:23,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:23,401 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:23,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:23,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3588 states to 1795 states and 3521 transitions. [2023-11-19 02:58:23,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 3521 transitions. [2023-11-19 02:58:23,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:58:23,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:23,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:23,477 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:58:23,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:23,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 1802 states and 3533 transitions. [2023-11-19 02:58:23,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 3533 transitions. [2023-11-19 02:58:23,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:58:23,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:23,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:24,078 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:25,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:25,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3622 states to 1813 states and 3552 transitions. [2023-11-19 02:58:25,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 3552 transitions. [2023-11-19 02:58:25,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:58:25,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:25,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:25,531 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:58:25,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3626 states to 1815 states and 3556 transitions. [2023-11-19 02:58:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 3556 transitions. [2023-11-19 02:58:25,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:58:25,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:25,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:25,600 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:58:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:25,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3629 states to 1817 states and 3559 transitions. [2023-11-19 02:58:25,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 3559 transitions. [2023-11-19 02:58:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:58:25,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:25,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:25,911 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:27,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:27,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3656 states to 1831 states and 3584 transitions. [2023-11-19 02:58:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 3584 transitions. [2023-11-19 02:58:27,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:58:27,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:27,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:27,533 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:27,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 1833 states and 3587 transitions. [2023-11-19 02:58:27,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 3587 transitions. [2023-11-19 02:58:27,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:58:27,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:27,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 02:58:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:28,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3673 states to 1840 states and 3601 transitions. [2023-11-19 02:58:28,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 3601 transitions. [2023-11-19 02:58:28,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:58:28,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:28,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:28,839 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 02:58:28,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:28,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 1842 states and 3604 transitions. [2023-11-19 02:58:28,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 3604 transitions. [2023-11-19 02:58:28,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:58:28,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:28,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:29,011 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 02:58:29,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:29,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3679 states to 1844 states and 3607 transitions. [2023-11-19 02:58:29,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 3607 transitions. [2023-11-19 02:58:29,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:58:29,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:29,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:29,167 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:58:30,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:30,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 1848 states and 3614 transitions. [2023-11-19 02:58:30,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 3614 transitions. [2023-11-19 02:58:30,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 02:58:30,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:30,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:30,225 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 02:58:31,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:31,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3703 states to 1857 states and 3631 transitions. [2023-11-19 02:58:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 3631 transitions. [2023-11-19 02:58:31,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 02:58:31,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:31,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:31,530 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:58:31,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:31,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3706 states to 1859 states and 3634 transitions. [2023-11-19 02:58:31,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 3634 transitions. [2023-11-19 02:58:31,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 02:58:31,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:31,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:31,686 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 02:58:31,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:31,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3707 states to 1860 states and 3635 transitions. [2023-11-19 02:58:31,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 3635 transitions. [2023-11-19 02:58:31,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:58:31,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:31,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:31,993 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:58:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:32,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 1864 states and 3642 transitions. [2023-11-19 02:58:32,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 3642 transitions. [2023-11-19 02:58:32,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:58:32,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:32,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:58:33,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 1871 states and 3667 transitions. [2023-11-19 02:58:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 3667 transitions. [2023-11-19 02:58:33,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:58:33,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:33,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:33,634 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.