./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_8b5a316b-3736-448d-8e33-485a0354dc11/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5a316b-3736-448d-8e33-485a0354dc11/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_8b5a316b-3736-448d-8e33-485a0354dc11/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5a316b-3736-448d-8e33-485a0354dc11/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5a316b-3736-448d-8e33-485a0354dc11/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_8b5a316b-3736-448d-8e33-485a0354dc11/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 9e5c7c8f34d0399e1ec13072e237ea7df9536407415bc8e3ff2e61c34b30de96 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:33,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:34,103 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5a316b-3736-448d-8e33-485a0354dc11/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:00:34,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:34,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:34,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:34,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:34,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:34,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:34,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:34,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:34,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:34,184 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:00:34,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:34,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:00:34,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:34,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:34,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:34,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:34,189 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:00:34,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:34,189 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:34,190 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:34,192 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:34,192 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:34,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:34,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:34,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:34,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:34,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:34,196 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:34,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:34,196 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:34,197 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_8b5a316b-3736-448d-8e33-485a0354dc11/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5a316b-3736-448d-8e33-485a0354dc11/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e5c7c8f34d0399e1ec13072e237ea7df9536407415bc8e3ff2e61c34b30de96 [2023-11-19 04:00:34,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:34,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:34,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:34,560 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:34,561 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:34,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5a316b-3736-448d-8e33-485a0354dc11/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2023-11-19 04:00:37,587 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:37,844 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:37,855 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5a316b-3736-448d-8e33-485a0354dc11/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2023-11-19 04:00:37,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5a316b-3736-448d-8e33-485a0354dc11/bin/ukojak-verify-G8NBE6pJGL/data/931b3c1f6/a1a84f5f04964f0badb30abe2cc7f96c/FLAG02db4082d [2023-11-19 04:00:37,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5a316b-3736-448d-8e33-485a0354dc11/bin/ukojak-verify-G8NBE6pJGL/data/931b3c1f6/a1a84f5f04964f0badb30abe2cc7f96c [2023-11-19 04:00:37,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:37,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:37,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:37,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:37,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:37,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:37" (1/1) ... [2023-11-19 04:00:37,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:37, skipping insertion in model container [2023-11-19 04:00:37,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:37" (1/1) ... [2023-11-19 04:00:37,925 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:38,161 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_8b5a316b-3736-448d-8e33-485a0354dc11/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lh-reducer.c[8507,8520] [2023-11-19 04:00:38,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:38,180 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:38,261 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_8b5a316b-3736-448d-8e33-485a0354dc11/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lh-reducer.c[8507,8520] [2023-11-19 04:00:38,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:38,273 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:38,280 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:38,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:38 WrapperNode [2023-11-19 04:00:38,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:38,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:38,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:38,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:38,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:38" (1/1) ... [2023-11-19 04:00:38,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:38" (1/1) ... [2023-11-19 04:00:38,361 INFO L138 Inliner]: procedures = 17, calls = 203, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 376 [2023-11-19 04:00:38,361 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:38,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:38,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:38,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:38,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:38" (1/1) ... [2023-11-19 04:00:38,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:38" (1/1) ... [2023-11-19 04:00:38,382 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:38" (1/1) ... [2023-11-19 04:00:38,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:38" (1/1) ... [2023-11-19 04:00:38,404 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:38" (1/1) ... [2023-11-19 04:00:38,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:38" (1/1) ... [2023-11-19 04:00:38,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:38" (1/1) ... [2023-11-19 04:00:38,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:38" (1/1) ... [2023-11-19 04:00:38,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:38,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:38,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:38,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:38,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:38" (1/1) ... [2023-11-19 04:00:38,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:38,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5a316b-3736-448d-8e33-485a0354dc11/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:38,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5a316b-3736-448d-8e33-485a0354dc11/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:38,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b5a316b-3736-448d-8e33-485a0354dc11/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:38,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:00:38,583 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-19 04:00:38,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:38,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:00:38,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:00:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:38,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:00:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:00:38,696 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:38,699 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:39,560 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:39,578 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:39,578 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:00:39,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:39 BoogieIcfgContainer [2023-11-19 04:00:39,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:39,584 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:39,584 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:39,595 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:39,595 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:39" (1/1) ... [2023-11-19 04:00:39,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:39,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:39,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2023-11-19 04:00:39,660 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2023-11-19 04:00:39,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:00:39,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:39,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:40,614 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 04:00:40,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:40,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-19 04:00:40,689 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-19 04:00:40,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:00:40,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:40,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:41,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:41,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-19 04:00:41,575 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-19 04:00:41,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:00:41,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:41,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:42,094 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:42,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-19 04:00:42,384 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-19 04:00:42,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:00:42,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:42,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:43,020 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:43,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2023-11-19 04:00:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2023-11-19 04:00:43,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:00:43,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:43,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:44,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:44,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2023-11-19 04:00:44,333 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2023-11-19 04:00:44,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:00:44,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:44,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:44,977 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:45,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:45,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2023-11-19 04:00:45,399 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2023-11-19 04:00:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:00:45,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:45,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:46,020 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:46,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:46,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2023-11-19 04:00:46,520 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2023-11-19 04:00:46,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:00:46,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:46,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:47,218 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:47,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:47,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2023-11-19 04:00:47,794 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2023-11-19 04:00:47,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:00:47,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:47,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:48,546 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:49,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:49,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2023-11-19 04:00:49,190 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2023-11-19 04:00:49,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:00:49,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:49,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:50,061 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:50,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:50,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 100 transitions. [2023-11-19 04:00:50,728 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 100 transitions. [2023-11-19 04:00:50,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:00:50,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:50,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:51,513 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:52,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:52,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 109 transitions. [2023-11-19 04:00:52,263 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 109 transitions. [2023-11-19 04:00:52,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:00:52,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:52,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:53,092 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:53,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2023-11-19 04:00:53,891 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2023-11-19 04:00:53,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 04:00:53,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:53,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:54,824 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:55,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:55,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 75 states and 127 transitions. [2023-11-19 04:00:55,666 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 127 transitions. [2023-11-19 04:00:55,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 04:00:55,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:55,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:57,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:57,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 80 states and 136 transitions. [2023-11-19 04:00:57,458 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 136 transitions. [2023-11-19 04:00:57,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 04:00:57,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:57,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:58,421 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:59,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 85 states and 145 transitions. [2023-11-19 04:00:59,433 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 145 transitions. [2023-11-19 04:00:59,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 04:00:59,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:59,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:00,360 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:01,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:01,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 90 states and 154 transitions. [2023-11-19 04:01:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 154 transitions. [2023-11-19 04:01:01,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 04:01:01,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:01,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:03,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:03,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 95 states and 163 transitions. [2023-11-19 04:01:03,758 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 163 transitions. [2023-11-19 04:01:03,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 04:01:03,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:03,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:04,860 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:06,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:06,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 172 transitions. [2023-11-19 04:01:06,102 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 172 transitions. [2023-11-19 04:01:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 04:01:06,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:06,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:07,266 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:08,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:08,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 105 states and 181 transitions. [2023-11-19 04:01:08,605 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 181 transitions. [2023-11-19 04:01:08,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 04:01:08,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:08,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:09,709 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 912 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:11,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 110 states and 190 transitions. [2023-11-19 04:01:11,047 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 190 transitions. [2023-11-19 04:01:11,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 04:01:11,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:11,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:12,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 1010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:13,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:13,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 115 states and 199 transitions. [2023-11-19 04:01:13,695 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 199 transitions. [2023-11-19 04:01:13,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-19 04:01:13,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:13,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:14,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 1113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:16,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 120 states and 208 transitions. [2023-11-19 04:01:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 208 transitions. [2023-11-19 04:01:16,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 04:01:16,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:16,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:17,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:19,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:19,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 125 states and 217 transitions. [2023-11-19 04:01:19,307 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 217 transitions. [2023-11-19 04:01:19,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 04:01:19,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:19,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:20,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 0 proven. 1334 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:22,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:22,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 130 states and 226 transitions. [2023-11-19 04:01:22,453 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 226 transitions. [2023-11-19 04:01:22,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-19 04:01:22,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:22,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms