./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/theatreSquare.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/theatreSquare.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/bin/ukojak-verify-afCqCEvfdi --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 90f363148c6ea94b18bb0ae0702d2476b109719554576ef0704192e7e62145c3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:10,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:10,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:08:10,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:08:10,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:08:10,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:10,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:08:10,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:08:10,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:10,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:10,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:10,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:08:10,695 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:08:10,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:08:10,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:08:10,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:10,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:08:10,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:10,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:08:10,700 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:08:10,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:08:10,701 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:10,702 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:10,702 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:10,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:10,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:10,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:10,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:10,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:10,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:08:10,708 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:08:10,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:08:10,708 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:08:10,709 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_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90f363148c6ea94b18bb0ae0702d2476b109719554576ef0704192e7e62145c3 [2023-11-24 23:08:10,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:11,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:11,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:11,025 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:11,026 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:11,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loops-crafted-1/theatreSquare.c [2023-11-24 23:08:14,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:14,402 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:14,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/sv-benchmarks/c/loops-crafted-1/theatreSquare.c [2023-11-24 23:08:14,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/bin/ukojak-verify-afCqCEvfdi/data/7c7a160b3/07e1b7c89af7478d8061091b1429a712/FLAG28785e388 [2023-11-24 23:08:14,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/bin/ukojak-verify-afCqCEvfdi/data/7c7a160b3/07e1b7c89af7478d8061091b1429a712 [2023-11-24 23:08:14,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:14,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:14,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:14,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:14,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:14,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:14" (1/1) ... [2023-11-24 23:08:14,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738b192b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:14, skipping insertion in model container [2023-11-24 23:08:14,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:14" (1/1) ... [2023-11-24 23:08:14,501 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:14,666 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_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/sv-benchmarks/c/loops-crafted-1/theatreSquare.c[370,383] [2023-11-24 23:08:14,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:14,704 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:14,720 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_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/sv-benchmarks/c/loops-crafted-1/theatreSquare.c[370,383] [2023-11-24 23:08:14,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:14,753 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:14,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:14 WrapperNode [2023-11-24 23:08:14,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:14,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:14,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:14,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:14,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:14" (1/1) ... [2023-11-24 23:08:14,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:14" (1/1) ... [2023-11-24 23:08:14,807 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 103 [2023-11-24 23:08:14,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:14,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:14,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:14,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:14,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:14" (1/1) ... [2023-11-24 23:08:14,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:14" (1/1) ... [2023-11-24 23:08:14,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:14" (1/1) ... [2023-11-24 23:08:14,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:14" (1/1) ... [2023-11-24 23:08:14,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:14" (1/1) ... [2023-11-24 23:08:14,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:14" (1/1) ... [2023-11-24 23:08:14,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:14" (1/1) ... [2023-11-24 23:08:14,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:14" (1/1) ... [2023-11-24 23:08:14,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:14,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:14,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:14,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:14,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:14" (1/1) ... [2023-11-24 23:08:14,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:14,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:14,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:14,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f74d51c-b76c-4f55-ad47-be4b2ed5dce0/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:08:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:15,017 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:15,019 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:15,255 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:15,328 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:15,328 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-24 23:08:15,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:15 BoogieIcfgContainer [2023-11-24 23:08:15,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:15,331 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:15,332 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:15,344 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:15,345 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:15" (1/1) ... [2023-11-24 23:08:15,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:15,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:15,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2023-11-24 23:08:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2023-11-24 23:08:15,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:08:15,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:15,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:15,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:15,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:15,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2023-11-24 23:08:15,911 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2023-11-24 23:08:15,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:08:15,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:15,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:16,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:16,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:16,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2023-11-24 23:08:16,509 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2023-11-24 23:08:16,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:08:16,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:16,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:16,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:16,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:16,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 41 transitions. [2023-11-24 23:08:16,841 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 41 transitions. [2023-11-24 23:08:16,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:08:16,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:16,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:16,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:17,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:17,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2023-11-24 23:08:17,360 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2023-11-24 23:08:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:08:17,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:17,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:17,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:17,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:17,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 28 states and 55 transitions. [2023-11-24 23:08:17,775 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 55 transitions. [2023-11-24 23:08:17,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:08:17,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:17,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:17,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:18,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:18,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 28 states and 55 transitions. [2023-11-24 23:08:18,007 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 55 transitions. [2023-11-24 23:08:18,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:08:18,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:18,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:18,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:08:18,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:18,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 29 states and 57 transitions. [2023-11-24 23:08:18,325 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 57 transitions. [2023-11-24 23:08:18,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:08:18,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:18,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:18,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:08:19,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:19,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 36 states and 79 transitions. [2023-11-24 23:08:19,845 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 79 transitions. [2023-11-24 23:08:19,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:08:19,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:19,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:20,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:08:21,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:21,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 40 states and 94 transitions. [2023-11-24 23:08:21,146 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 94 transitions. [2023-11-24 23:08:21,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:08:21,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:21,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:21,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:08:22,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:22,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 32 states and 70 transitions. [2023-11-24 23:08:22,340 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 70 transitions. [2023-11-24 23:08:22,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:08:22,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:22,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:23,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:08:26,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:26,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 38 states and 92 transitions. [2023-11-24 23:08:26,041 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 92 transitions. [2023-11-24 23:08:26,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:08:26,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:26,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:26,295 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 23:08:29,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:29,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 46 states and 125 transitions. [2023-11-24 23:08:29,870 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 125 transitions. [2023-11-24 23:08:29,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:08:29,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:29,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:29,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 23:08:31,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:31,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 50 states and 139 transitions. [2023-11-24 23:08:31,910 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 139 transitions. [2023-11-24 23:08:31,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:08:31,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:31,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:08:35,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:35,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 55 states and 157 transitions. [2023-11-24 23:08:35,313 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 157 transitions. [2023-11-24 23:08:35,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:08:35,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:35,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:35,378 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:08:35,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:35,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 56 states and 159 transitions. [2023-11-24 23:08:35,899 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 159 transitions. [2023-11-24 23:08:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:08:35,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:35,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:42,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:42,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 61 states and 179 transitions. [2023-11-24 23:08:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 179 transitions. [2023-11-24 23:08:42,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:08:42,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:42,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:43,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:43,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 62 states and 182 transitions. [2023-11-24 23:08:43,145 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 182 transitions. [2023-11-24 23:08:43,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:08:43,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:43,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:47,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:47,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 68 states and 203 transitions. [2023-11-24 23:08:47,328 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 203 transitions. [2023-11-24 23:08:47,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:08:47,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:47,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:47,835 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:08:51,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:51,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 72 states and 217 transitions. [2023-11-24 23:08:51,405 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 217 transitions. [2023-11-24 23:08:51,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:08:51,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:51,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:51,760 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:08:52,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:52,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 73 states and 220 transitions. [2023-11-24 23:08:52,399 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 220 transitions. [2023-11-24 23:08:52,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:08:52,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:52,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:52,738 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:08:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:54,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 76 states and 229 transitions. [2023-11-24 23:08:54,649 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 229 transitions. [2023-11-24 23:08:54,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:08:54,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:54,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:08:55,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:55,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 77 states and 230 transitions. [2023-11-24 23:08:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 230 transitions. [2023-11-24 23:08:55,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:08:55,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:55,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:56,841 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:09:05,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:05,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 84 states and 252 transitions. [2023-11-24 23:09:05,959 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 252 transitions. [2023-11-24 23:09:05,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:09:05,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:05,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:06,045 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:09:06,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:06,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 85 states and 255 transitions. [2023-11-24 23:09:06,876 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 255 transitions. [2023-11-24 23:09:06,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:09:06,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:06,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:07,659 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.