./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5210f1e-5e78-48f3-bb63-2f59008a0026/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5210f1e-5e78-48f3-bb63-2f59008a0026/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5210f1e-5e78-48f3-bb63-2f59008a0026/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5210f1e-5e78-48f3-bb63-2f59008a0026/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5210f1e-5e78-48f3-bb63-2f59008a0026/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5210f1e-5e78-48f3-bb63-2f59008a0026/bin/ukojak-verify-Qdu7aM0XO9 --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 0490559c2bf039cbe49bd5644a18ada08843fe5179dc7b178541a9c54e014b6c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:44:42,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:44:42,881 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5210f1e-5e78-48f3-bb63-2f59008a0026/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:44:42,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:44:42,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:44:42,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:44:42,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:44:42,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:44:42,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:44:42,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:44:42,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:44:42,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:44:42,924 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:44:42,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:44:42,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:44:42,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:44:42,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:44:42,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:44:42,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:44:42,933 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:44:42,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:44:42,941 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:44:42,941 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:44:42,941 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:44:42,942 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:44:42,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:44:42,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:44:42,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:44:42,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:44:42,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:44:42,944 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:44:42,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:44:42,945 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:44:42,946 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_d5210f1e-5e78-48f3-bb63-2f59008a0026/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5210f1e-5e78-48f3-bb63-2f59008a0026/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0490559c2bf039cbe49bd5644a18ada08843fe5179dc7b178541a9c54e014b6c [2023-12-02 23:44:43,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:44:43,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:44:43,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:44:43,190 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:44:43,191 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:44:43,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5210f1e-5e78-48f3-bb63-2f59008a0026/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c [2023-12-02 23:44:45,920 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:44:46,148 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:44:46,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5210f1e-5e78-48f3-bb63-2f59008a0026/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c [2023-12-02 23:44:46,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5210f1e-5e78-48f3-bb63-2f59008a0026/bin/ukojak-verify-Qdu7aM0XO9/data/74fcac2a3/53079c8024df4c96a2b19804f6d1ac22/FLAG5eb41a131 [2023-12-02 23:44:46,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5210f1e-5e78-48f3-bb63-2f59008a0026/bin/ukojak-verify-Qdu7aM0XO9/data/74fcac2a3/53079c8024df4c96a2b19804f6d1ac22 [2023-12-02 23:44:46,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:44:46,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:44:46,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:44:46,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:44:46,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:44:46,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:44:46" (1/1) ... [2023-12-02 23:44:46,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79410882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:46, skipping insertion in model container [2023-12-02 23:44:46,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:44:46" (1/1) ... [2023-12-02 23:44:46,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:44:46,437 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_d5210f1e-5e78-48f3-bb63-2f59008a0026/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c[12966,12979] [2023-12-02 23:44:46,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:44:46,453 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:44:46,507 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_d5210f1e-5e78-48f3-bb63-2f59008a0026/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c[12966,12979] [2023-12-02 23:44:46,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:44:46,524 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:44:46,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:46 WrapperNode [2023-12-02 23:44:46,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:44:46,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:44:46,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:44:46,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:44:46,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:46" (1/1) ... [2023-12-02 23:44:46,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:46" (1/1) ... [2023-12-02 23:44:46,580 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 445 [2023-12-02 23:44:46,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:44:46,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:44:46,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:44:46,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:44:46,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:46" (1/1) ... [2023-12-02 23:44:46,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:46" (1/1) ... [2023-12-02 23:44:46,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:46" (1/1) ... [2023-12-02 23:44:46,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:46" (1/1) ... [2023-12-02 23:44:46,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:46" (1/1) ... [2023-12-02 23:44:46,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:46" (1/1) ... [2023-12-02 23:44:46,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:46" (1/1) ... [2023-12-02 23:44:46,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:46" (1/1) ... [2023-12-02 23:44:46,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:44:46,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:44:46,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:44:46,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:44:46,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:46" (1/1) ... [2023-12-02 23:44:46,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:44:46,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5210f1e-5e78-48f3-bb63-2f59008a0026/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:44:46,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5210f1e-5e78-48f3-bb63-2f59008a0026/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:44:46,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5210f1e-5e78-48f3-bb63-2f59008a0026/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:44:46,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:44:46,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:44:46,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:44:46,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:44:46,789 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:44:46,791 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:44:47,220 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:44:47,861 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:44:47,861 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:44:47,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:44:47 BoogieIcfgContainer [2023-12-02 23:44:47,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:44:47,863 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:44:47,864 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:44:47,873 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:44:47,873 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:44:47" (1/1) ... [2023-12-02 23:44:47,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:44:47,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:47,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2023-12-02 23:44:47,935 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2023-12-02 23:44:47,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:44:47,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:47,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:49,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2023-12-02 23:44:49,602 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2023-12-02 23:44:49,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:44:49,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:49,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:50,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:50,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:50,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2023-12-02 23:44:50,807 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2023-12-02 23:44:50,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:44:50,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:50,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:51,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:51,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:51,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2023-12-02 23:44:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2023-12-02 23:44:51,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:44:51,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:51,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:52,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:53,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:53,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2023-12-02 23:44:53,248 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2023-12-02 23:44:53,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:44:53,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:53,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:54,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:55,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:55,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2023-12-02 23:44:55,086 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2023-12-02 23:44:55,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:44:55,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:55,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:55,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:56,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:56,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2023-12-02 23:44:56,708 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2023-12-02 23:44:56,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:44:56,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:56,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:57,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:57,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2023-12-02 23:44:57,015 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2023-12-02 23:44:57,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:44:57,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:57,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:57,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:57,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:57,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2023-12-02 23:44:57,086 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2023-12-02 23:44:57,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:44:57,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:57,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:58,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:44:59,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:59,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 96 transitions. [2023-12-02 23:44:59,548 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2023-12-02 23:44:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:44:59,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:59,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:59,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:00,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:00,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2023-12-02 23:45:00,028 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2023-12-02 23:45:00,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:45:00,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:00,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:02,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 76 states and 133 transitions. [2023-12-02 23:45:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 133 transitions. [2023-12-02 23:45:05,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:45:05,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:05,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:06,679 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:09,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:09,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 90 states and 162 transitions. [2023-12-02 23:45:09,407 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 162 transitions. [2023-12-02 23:45:09,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:45:09,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:09,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:10,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:10,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:10,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 91 states and 164 transitions. [2023-12-02 23:45:10,646 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 164 transitions. [2023-12-02 23:45:10,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:45:10,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:10,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:11,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:14,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:14,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 105 states and 187 transitions. [2023-12-02 23:45:14,997 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 187 transitions. [2023-12-02 23:45:14,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:45:14,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:14,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:16,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:16,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:16,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 106 states and 191 transitions. [2023-12-02 23:45:16,444 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 191 transitions. [2023-12-02 23:45:16,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:45:16,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:16,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:17,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:20,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:20,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 117 states and 215 transitions. [2023-12-02 23:45:20,450 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 215 transitions. [2023-12-02 23:45:20,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:45:20,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:20,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:21,473 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:25,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 131 states and 243 transitions. [2023-12-02 23:45:25,147 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 243 transitions. [2023-12-02 23:45:25,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:45:25,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:25,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:26,437 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:28,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:28,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 135 states and 258 transitions. [2023-12-02 23:45:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 258 transitions. [2023-12-02 23:45:28,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:45:28,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:28,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:29,559 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:30,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:30,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 137 states and 265 transitions. [2023-12-02 23:45:30,318 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 265 transitions. [2023-12-02 23:45:30,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:45:30,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:30,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:31,008 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:31,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 138 states and 268 transitions. [2023-12-02 23:45:31,452 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 268 transitions. [2023-12-02 23:45:31,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:45:31,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:31,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:33,395 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:39,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:39,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 158 states and 304 transitions. [2023-12-02 23:45:39,226 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 304 transitions. [2023-12-02 23:45:39,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:45:39,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:39,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:40,275 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:41,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:41,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 315 transitions. [2023-12-02 23:45:41,901 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 315 transitions. [2023-12-02 23:45:41,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:45:41,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:41,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:43,740 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:46,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:46,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 168 states and 326 transitions. [2023-12-02 23:45:46,111 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 326 transitions. [2023-12-02 23:45:46,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 23:45:46,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:46,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:48,946 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:56,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:56,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 183 states and 376 transitions. [2023-12-02 23:45:56,491 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 376 transitions. [2023-12-02 23:45:56,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:45:56,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:56,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:59,433 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:07,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:07,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 197 states and 403 transitions. [2023-12-02 23:46:07,171 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 403 transitions. [2023-12-02 23:46:07,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:46:07,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:07,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:10,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:10,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 198 states and 407 transitions. [2023-12-02 23:46:10,924 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 407 transitions. [2023-12-02 23:46:10,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:46:10,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:10,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:12,877 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:19,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:19,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 212 states and 436 transitions. [2023-12-02 23:46:19,743 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 436 transitions. [2023-12-02 23:46:19,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:46:19,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:19,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:21,963 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:28,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 222 states and 454 transitions. [2023-12-02 23:46:28,201 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 454 transitions. [2023-12-02 23:46:28,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:46:28,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:28,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:29,368 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:31,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:31,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 225 states and 466 transitions. [2023-12-02 23:46:31,505 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 466 transitions. [2023-12-02 23:46:31,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 23:46:31,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:31,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:33,425 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:39,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:39,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 234 states and 484 transitions. [2023-12-02 23:46:39,785 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 484 transitions. [2023-12-02 23:46:39,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 23:46:39,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:39,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:40,968 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:42,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:42,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 236 states and 492 transitions. [2023-12-02 23:46:42,482 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 492 transitions. [2023-12-02 23:46:42,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 23:46:42,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:42,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:47,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:47,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 239 states and 505 transitions. [2023-12-02 23:46:47,313 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 505 transitions. [2023-12-02 23:46:47,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:46:47,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:47,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:50,468 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:02,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:02,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 256 states and 542 transitions. [2023-12-02 23:47:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 542 transitions. [2023-12-02 23:47:02,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:47:02,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:02,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:06,118 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:07,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:07,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 257 states and 546 transitions. [2023-12-02 23:47:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 546 transitions. [2023-12-02 23:47:07,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:47:07,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:07,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:13,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:13,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 261 states and 561 transitions. [2023-12-02 23:47:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 561 transitions. [2023-12-02 23:47:13,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:47:13,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:13,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:17,945 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:22,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 264 states and 574 transitions. [2023-12-02 23:47:22,139 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 574 transitions. [2023-12-02 23:47:22,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:47:22,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:22,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:31,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:31,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 272 states and 598 transitions. [2023-12-02 23:47:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 598 transitions. [2023-12-02 23:47:31,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:47:31,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:31,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:33,212 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:41,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:41,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 283 states and 619 transitions. [2023-12-02 23:47:41,081 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 619 transitions. [2023-12-02 23:47:41,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:47:41,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:41,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:42,292 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:44,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:44,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 287 states and 633 transitions. [2023-12-02 23:47:44,941 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 633 transitions. [2023-12-02 23:47:44,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:47:44,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:44,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:46,054 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:47,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:47,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 290 states and 640 transitions. [2023-12-02 23:47:47,705 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 640 transitions. [2023-12-02 23:47:47,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:47:47,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:47,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:51,184 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:59,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:59,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 301 states and 659 transitions. [2023-12-02 23:47:59,121 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 659 transitions. [2023-12-02 23:47:59,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:47:59,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:59,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:01,337 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:48:06,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:06,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 306 states and 679 transitions. [2023-12-02 23:48:06,421 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 679 transitions. [2023-12-02 23:48:06,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:48:06,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:06,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:09,201 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:48:13,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:13,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 310 states and 700 transitions. [2023-12-02 23:48:13,328 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 700 transitions. [2023-12-02 23:48:13,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 23:48:13,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:13,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:43,616 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:54:26,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:54:26,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 353 states and 803 transitions. [2023-12-02 23:54:26,107 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 803 transitions. [2023-12-02 23:54:26,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 23:54:26,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:54:26,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:54:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat