./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.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_44db3346-5f5c-4b1d-b0f1-663e461e73ab/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44db3346-5f5c-4b1d-b0f1-663e461e73ab/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_44db3346-5f5c-4b1d-b0f1-663e461e73ab/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44db3346-5f5c-4b1d-b0f1-663e461e73ab/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44db3346-5f5c-4b1d-b0f1-663e461e73ab/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_44db3346-5f5c-4b1d-b0f1-663e461e73ab/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 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:15,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:15,926 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44db3346-5f5c-4b1d-b0f1-663e461e73ab/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:58:15,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:58:15,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:58:15,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:15,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:15,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:15,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:15,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:15,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:15,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:15,963 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:58:15,963 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:15,964 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:58:15,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:15,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:15,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:15,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:15,967 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:58:15,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:15,969 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:15,969 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:15,970 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:15,970 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:15,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:15,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:15,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:15,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:15,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:15,973 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:58:15,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:58:15,974 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:15,975 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_44db3346-5f5c-4b1d-b0f1-663e461e73ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44db3346-5f5c-4b1d-b0f1-663e461e73ab/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 [2023-11-24 22:58:16,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:16,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:16,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:16,322 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:16,323 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:16,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44db3346-5f5c-4b1d-b0f1-663e461e73ab/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2023-11-24 22:58:19,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:19,787 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:19,788 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44db3346-5f5c-4b1d-b0f1-663e461e73ab/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2023-11-24 22:58:19,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44db3346-5f5c-4b1d-b0f1-663e461e73ab/bin/ukojak-verify-afCqCEvfdi/data/6c6c6ad62/d50d5e2088b44095af2035272339c7ae/FLAGc735f698c [2023-11-24 22:58:19,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44db3346-5f5c-4b1d-b0f1-663e461e73ab/bin/ukojak-verify-afCqCEvfdi/data/6c6c6ad62/d50d5e2088b44095af2035272339c7ae [2023-11-24 22:58:19,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:19,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:19,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:19,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:19,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:19,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:19" (1/1) ... [2023-11-24 22:58:19,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60453ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:19, skipping insertion in model container [2023-11-24 22:58:19,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:19" (1/1) ... [2023-11-24 22:58:19,875 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:20,065 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_44db3346-5f5c-4b1d-b0f1-663e461e73ab/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c[520,533] [2023-11-24 22:58:20,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:20,097 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:20,108 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_44db3346-5f5c-4b1d-b0f1-663e461e73ab/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c[520,533] [2023-11-24 22:58:20,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:20,132 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:20,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:20 WrapperNode [2023-11-24 22:58:20,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:20,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:20,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:20,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:20,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:20" (1/1) ... [2023-11-24 22:58:20,152 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:20" (1/1) ... [2023-11-24 22:58:20,170 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-11-24 22:58:20,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:20,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:20,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:20,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:20,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:20" (1/1) ... [2023-11-24 22:58:20,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:20" (1/1) ... [2023-11-24 22:58:20,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:20" (1/1) ... [2023-11-24 22:58:20,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:20" (1/1) ... [2023-11-24 22:58:20,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:20" (1/1) ... [2023-11-24 22:58:20,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:20" (1/1) ... [2023-11-24 22:58:20,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:20" (1/1) ... [2023-11-24 22:58:20,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:20" (1/1) ... [2023-11-24 22:58:20,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:20,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:20,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:20,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:20,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:20" (1/1) ... [2023-11-24 22:58:20,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:20,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44db3346-5f5c-4b1d-b0f1-663e461e73ab/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:20,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44db3346-5f5c-4b1d-b0f1-663e461e73ab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:20,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44db3346-5f5c-4b1d-b0f1-663e461e73ab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:58:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:58:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:58:20,353 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:20,356 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:20,502 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:20,566 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:20,567 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:58:20,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:20 BoogieIcfgContainer [2023-11-24 22:58:20,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:20,570 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:20,570 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:20,584 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:20,585 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:20" (1/1) ... [2023-11-24 22:58:20,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:20,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:20,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-11-24 22:58:20,697 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-11-24 22:58:20,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:58:20,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:20,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:20,924 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 22:58:20,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:20,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-24 22:58:20,968 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-24 22:58:20,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:58:20,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:20,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:21,157 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 22:58:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:21,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-24 22:58:21,200 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-24 22:58:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:58:21,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:21,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:21,435 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 22:58:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 38 transitions. [2023-11-24 22:58:21,747 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2023-11-24 22:58:21,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:58:21,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:21,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:21,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:58:21,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:22,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:22,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:22,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2023-11-24 22:58:22,938 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-24 22:58:22,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:58:22,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:22,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:22,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:58:22,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:23,127 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:58:23,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 49 transitions. [2023-11-24 22:58:23,289 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-11-24 22:58:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:58:23,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:23,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:23,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:23,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:23,362 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:58:23,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:23,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2023-11-24 22:58:23,514 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-24 22:58:23,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:58:23,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:23,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:23,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:58:23,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:58:24,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:24,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 43 states and 89 transitions. [2023-11-24 22:58:24,965 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 89 transitions. [2023-11-24 22:58:24,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:58:24,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:24,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:24,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:58:24,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:25,166 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:58:25,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 94 transitions. [2023-11-24 22:58:25,904 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2023-11-24 22:58:25,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:58:25,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:25,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:25,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:25,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:58:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:26,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 48 states and 101 transitions. [2023-11-24 22:58:26,592 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 101 transitions. [2023-11-24 22:58:26,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:58:26,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:26,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:26,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:58:26,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:26,773 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:58:27,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:27,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 52 states and 113 transitions. [2023-11-24 22:58:27,818 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 113 transitions. [2023-11-24 22:58:27,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:58:27,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:27,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:27,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:58:27,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:27,982 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:58:28,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 52 states and 112 transitions. [2023-11-24 22:58:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 112 transitions. [2023-11-24 22:58:28,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:58:28,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:28,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:28,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:28,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:58:30,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:30,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 52 states and 111 transitions. [2023-11-24 22:58:30,383 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 111 transitions. [2023-11-24 22:58:30,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:58:30,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:30,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:30,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:58:30,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:58:31,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:31,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 53 states and 119 transitions. [2023-11-24 22:58:31,138 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 119 transitions. [2023-11-24 22:58:31,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:58:31,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:31,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:31,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:31,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 22:58:31,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 54 states and 121 transitions. [2023-11-24 22:58:31,404 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 121 transitions. [2023-11-24 22:58:31,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:58:31,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:31,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:31,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:58:31,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 22:58:32,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:32,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 57 states and 127 transitions. [2023-11-24 22:58:32,574 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 127 transitions. [2023-11-24 22:58:32,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:58:32,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:32,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:32,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:58:32,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:32,836 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 22:58:34,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:34,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 67 states and 176 transitions. [2023-11-24 22:58:34,946 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 176 transitions. [2023-11-24 22:58:34,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:58:34,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:34,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:34,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:58:34,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 22:58:35,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:35,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 70 states and 181 transitions. [2023-11-24 22:58:35,980 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 181 transitions. [2023-11-24 22:58:35,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:58:35,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:35,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:36,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:58:36,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 22:58:36,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:36,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 70 states and 180 transitions. [2023-11-24 22:58:36,423 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 180 transitions. [2023-11-24 22:58:36,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:58:36,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:36,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:36,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:36,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:36,488 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-24 22:58:36,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 70 states and 179 transitions. [2023-11-24 22:58:36,833 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 179 transitions. [2023-11-24 22:58:36,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:58:36,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:36,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:36,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:36,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:36,898 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-24 22:58:37,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:37,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 70 states and 178 transitions. [2023-11-24 22:58:37,264 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 178 transitions. [2023-11-24 22:58:37,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:58:37,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:37,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:37,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:58:37,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 22:58:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:39,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 72 states and 193 transitions. [2023-11-24 22:58:39,332 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 193 transitions. [2023-11-24 22:58:39,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:58:39,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:39,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:39,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:58:39,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:39,818 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 22:58:40,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:40,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 74 states and 194 transitions. [2023-11-24 22:58:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 194 transitions. [2023-11-24 22:58:40,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:58:40,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:40,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:40,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:58:40,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 22:58:41,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:41,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 74 states and 193 transitions. [2023-11-24 22:58:41,876 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 193 transitions. [2023-11-24 22:58:41,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:58:41,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:41,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:41,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:58:41,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:42,101 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:58:42,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:42,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 75 states and 205 transitions. [2023-11-24 22:58:42,769 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 205 transitions. [2023-11-24 22:58:42,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:58:42,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:42,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:42,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:42,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:42,839 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-24 22:58:43,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 76 states and 208 transitions. [2023-11-24 22:58:43,126 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 208 transitions. [2023-11-24 22:58:43,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:58:43,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:43,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:43,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 22:58:43,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-24 22:58:44,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:44,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 79 states and 214 transitions. [2023-11-24 22:58:44,607 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 214 transitions. [2023-11-24 22:58:44,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:58:44,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:44,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:44,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:58:44,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:44,989 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 22:58:47,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:47,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 89 states and 275 transitions. [2023-11-24 22:58:47,621 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 275 transitions. [2023-11-24 22:58:47,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:58:47,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:47,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:47,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 22:58:47,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:47,742 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-24 22:58:48,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 92 states and 280 transitions. [2023-11-24 22:58:48,896 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 280 transitions. [2023-11-24 22:58:48,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:58:48,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:48,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:48,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 22:58:48,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:49,043 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-24 22:58:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:50,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 95 states and 285 transitions. [2023-11-24 22:58:50,159 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 285 transitions. [2023-11-24 22:58:50,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:58:50,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:50,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:50,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:58:50,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:50,287 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 22:58:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 95 states and 284 transitions. [2023-11-24 22:58:50,754 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 284 transitions. [2023-11-24 22:58:50,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:58:50,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:50,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:50,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:58:50,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:50,899 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 22:58:51,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 95 states and 283 transitions. [2023-11-24 22:58:51,348 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 283 transitions. [2023-11-24 22:58:51,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:58:51,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:51,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:51,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:51,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:51,410 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-24 22:58:51,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:51,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 95 states and 282 transitions. [2023-11-24 22:58:51,880 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 282 transitions. [2023-11-24 22:58:51,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:58:51,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:51,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:51,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:51,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:51,947 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-24 22:58:52,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:52,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 95 states and 281 transitions. [2023-11-24 22:58:52,393 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 281 transitions. [2023-11-24 22:58:52,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:58:52,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:52,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:52,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:52,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:52,455 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-24 22:58:52,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 95 states and 280 transitions. [2023-11-24 22:58:52,572 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 280 transitions. [2023-11-24 22:58:52,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:58:52,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:52,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:52,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:58:52,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:53,769 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 19 proven. 58 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-24 22:58:55,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:55,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 97 states and 300 transitions. [2023-11-24 22:58:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 300 transitions. [2023-11-24 22:58:55,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:58:55,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:55,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:55,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:58:55,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 19 proven. 58 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-24 22:58:58,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:58,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 99 states and 301 transitions. [2023-11-24 22:58:58,013 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 301 transitions. [2023-11-24 22:58:58,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:58:58,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:58,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:58,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:58:58,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:59,111 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 19 proven. 58 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-24 22:59:00,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:00,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 99 states and 300 transitions. [2023-11-24 22:59:00,061 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 300 transitions. [2023-11-24 22:59:00,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:59:00,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:00,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:00,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:59:00,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:01,095 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 19 proven. 58 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-24 22:59:02,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:02,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 99 states and 299 transitions. [2023-11-24 22:59:02,011 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 299 transitions. [2023-11-24 22:59:02,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 22:59:02,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:02,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:02,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:59:02,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 21 proven. 64 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 22:59:03,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:03,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 100 states and 315 transitions. [2023-11-24 22:59:03,367 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 315 transitions. [2023-11-24 22:59:03,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-24 22:59:03,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:03,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:03,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:59:03,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:03,444 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-24 22:59:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:03,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 101 states and 319 transitions. [2023-11-24 22:59:03,839 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 319 transitions. [2023-11-24 22:59:03,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 22:59:03,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:03,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:03,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 22:59:03,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:04,134 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-24 22:59:05,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:05,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 104 states and 324 transitions. [2023-11-24 22:59:05,574 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 324 transitions. [2023-11-24 22:59:05,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 22:59:05,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:05,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:05,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 22:59:05,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-24 22:59:07,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 107 states and 330 transitions. [2023-11-24 22:59:07,314 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 330 transitions. [2023-11-24 22:59:07,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 22:59:07,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:07,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:07,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 22:59:07,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:07,503 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-24 22:59:08,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:08,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 110 states and 335 transitions. [2023-11-24 22:59:08,878 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 335 transitions. [2023-11-24 22:59:08,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 22:59:08,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:08,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:08,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:59:08,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:09,364 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.