./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-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_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/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_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/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_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/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 870f3f117c59e986b23526e49a2d44ed8c8e543941d3d310e77e3939c7927e70 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:44,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:44,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:15:44,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:15:44,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:15:44,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:44,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:15:44,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:15:44,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:44,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:44,860 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:44,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:15:44,862 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:15:44,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:15:44,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:15:44,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:44,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:15:44,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:44,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:15:44,867 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:15:44,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:15:44,869 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:44,869 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:44,870 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:44,871 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:44,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:44,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:44,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:44,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:44,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:15:44,874 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:15:44,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:15:44,875 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:15:44,876 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_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 870f3f117c59e986b23526e49a2d44ed8c8e543941d3d310e77e3939c7927e70 [2023-11-24 22:15:45,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:45,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:45,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:45,258 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:45,259 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:45,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c [2023-11-24 22:15:48,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:48,819 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:48,820 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c [2023-11-24 22:15:48,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/bin/ukojak-verify-afCqCEvfdi/data/454c82e2f/f2e8f0e5c2454547bbab0c863bbc99cf/FLAGbffc3b8b4 [2023-11-24 22:15:48,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/bin/ukojak-verify-afCqCEvfdi/data/454c82e2f/f2e8f0e5c2454547bbab0c863bbc99cf [2023-11-24 22:15:48,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:48,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:48,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:48,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:48,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:48,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:48" (1/1) ... [2023-11-24 22:15:48,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55003d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:48, skipping insertion in model container [2023-11-24 22:15:48,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:48" (1/1) ... [2023-11-24 22:15:48,907 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:49,113 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_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c[458,471] [2023-11-24 22:15:49,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:49,154 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:49,176 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_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c[458,471] [2023-11-24 22:15:49,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:49,222 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:49,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:49 WrapperNode [2023-11-24 22:15:49,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:49,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:49,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:49,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:49,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:49" (1/1) ... [2023-11-24 22:15:49,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:49" (1/1) ... [2023-11-24 22:15:49,269 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-11-24 22:15:49,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:49,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:49,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:49,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:49,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:49" (1/1) ... [2023-11-24 22:15:49,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:49" (1/1) ... [2023-11-24 22:15:49,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:49" (1/1) ... [2023-11-24 22:15:49,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:49" (1/1) ... [2023-11-24 22:15:49,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:49" (1/1) ... [2023-11-24 22:15:49,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:49" (1/1) ... [2023-11-24 22:15:49,304 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:49" (1/1) ... [2023-11-24 22:15:49,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:49" (1/1) ... [2023-11-24 22:15:49,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:49,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:49,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:49,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:49,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:49" (1/1) ... [2023-11-24 22:15:49,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:49,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:49,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:49,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a58e0e65-8cc9-448e-a8fb-db3fa3f691cb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:15:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:49,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:15:49,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:15:49,460 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:49,462 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:15:49,622 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:15:49,669 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:15:49,669 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:15:49,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:49 BoogieIcfgContainer [2023-11-24 22:15:49,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:15:49,672 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:15:49,672 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:15:49,689 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:15:49,689 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:49" (1/1) ... [2023-11-24 22:15:49,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:15:49,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:49,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-24 22:15:49,761 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-24 22:15:49,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:15:49,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:49,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:49,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:15:49,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:49,947 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 22:15:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:49,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-24 22:15:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-24 22:15:49,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:15:49,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:49,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:50,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:15:50,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:50,088 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 22:15:50,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:50,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-24 22:15:50,137 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-24 22:15:50,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:15:50,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:50,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:50,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:15:50,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:50,282 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 22:15:50,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:50,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-24 22:15:50,715 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-24 22:15:50,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:15:50,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:50,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:50,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:15:50,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:50,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:50,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2023-11-24 22:15:50,875 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2023-11-24 22:15:50,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:15:50,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:50,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:50,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:15:50,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:51,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:51,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:51,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 32 states and 62 transitions. [2023-11-24 22:15:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 62 transitions. [2023-11-24 22:15:51,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:15:51,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:51,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:52,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:15:52,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:53,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:53,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 36 states and 73 transitions. [2023-11-24 22:15:53,098 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2023-11-24 22:15:53,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:15:53,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:53,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:53,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:15:53,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:53,203 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:53,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 38 states and 74 transitions. [2023-11-24 22:15:53,590 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 74 transitions. [2023-11-24 22:15:53,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:15:53,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:53,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:53,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:15:53,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:53,914 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 22:15:54,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:54,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 42 states and 89 transitions. [2023-11-24 22:15:54,636 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 89 transitions. [2023-11-24 22:15:54,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:15:54,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:54,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:54,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:15:54,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:15:56,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:56,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 51 states and 122 transitions. [2023-11-24 22:15:56,685 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 122 transitions. [2023-11-24 22:15:56,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:15:56,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:56,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:56,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:15:56,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:56,826 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:15:57,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:57,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 124 transitions. [2023-11-24 22:15:57,366 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 124 transitions. [2023-11-24 22:15:57,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:15:57,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:57,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:57,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:15:57,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:57,575 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:58,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:58,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 57 states and 141 transitions. [2023-11-24 22:15:58,722 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 141 transitions. [2023-11-24 22:15:58,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:15:58,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:58,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:58,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:15:58,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:58,913 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:15:59,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:59,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 61 states and 155 transitions. [2023-11-24 22:15:59,908 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 155 transitions. [2023-11-24 22:15:59,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:15:59,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:59,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:59,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:15:59,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:00,041 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:00,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:00,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 63 states and 157 transitions. [2023-11-24 22:16:00,644 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 157 transitions. [2023-11-24 22:16:00,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:16:00,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:00,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:00,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:16:00,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:00,724 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:01,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:01,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 67 states and 182 transitions. [2023-11-24 22:16:01,664 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 182 transitions. [2023-11-24 22:16:01,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:16:01,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:01,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:01,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:16:01,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:02,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 69 states and 184 transitions. [2023-11-24 22:16:02,453 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 184 transitions. [2023-11-24 22:16:02,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:16:02,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:02,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:02,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:16:02,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:02,539 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:16:03,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:03,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 72 states and 195 transitions. [2023-11-24 22:16:03,685 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 195 transitions. [2023-11-24 22:16:03,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:16:03,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:03,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:03,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:16:03,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:04,146 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 81 states and 238 transitions. [2023-11-24 22:16:06,968 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 238 transitions. [2023-11-24 22:16:06,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:16:06,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:06,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:07,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:16:07,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:07,112 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:08,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:08,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 85 states and 241 transitions. [2023-11-24 22:16:08,611 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 241 transitions. [2023-11-24 22:16:08,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:16:08,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:08,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:08,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:16:08,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:08,767 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:09,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 87 states and 243 transitions. [2023-11-24 22:16:09,511 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 243 transitions. [2023-11-24 22:16:09,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:09,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:09,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:09,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:16:09,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:09,809 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:11,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:11,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 91 states and 260 transitions. [2023-11-24 22:16:11,311 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 260 transitions. [2023-11-24 22:16:11,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:11,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:11,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:11,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:16:11,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:11,469 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:12,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:12,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 93 states and 262 transitions. [2023-11-24 22:16:12,506 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 262 transitions. [2023-11-24 22:16:12,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:12,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:12,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:12,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:16:12,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:12,636 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:13,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:13,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 95 states and 264 transitions. [2023-11-24 22:16:13,521 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 264 transitions. [2023-11-24 22:16:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:13,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:13,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:13,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:16:13,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:15,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:15,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 99 states and 288 transitions. [2023-11-24 22:16:15,306 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 288 transitions. [2023-11-24 22:16:15,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:15,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:15,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:15,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:16:15,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:15,424 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 101 states and 290 transitions. [2023-11-24 22:16:16,273 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 290 transitions. [2023-11-24 22:16:16,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:16,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:16,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:16,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:16:16,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:16,345 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:17,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:17,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 105 states and 325 transitions. [2023-11-24 22:16:17,604 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 325 transitions. [2023-11-24 22:16:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:17,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:17,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:17,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:16:17,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:18,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:18,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 105 states and 324 transitions. [2023-11-24 22:16:18,124 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 324 transitions. [2023-11-24 22:16:18,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:16:18,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:18,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:18,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:16:18,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:18,183 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:16:18,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:18,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 106 states and 330 transitions. [2023-11-24 22:16:18,824 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 330 transitions. [2023-11-24 22:16:18,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:16:18,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:18,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:18,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:16:18,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:23,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:23,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 115 states and 385 transitions. [2023-11-24 22:16:23,489 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 385 transitions. [2023-11-24 22:16:23,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:16:23,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:23,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:23,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:16:23,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:23,605 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:24,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:24,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 117 states and 387 transitions. [2023-11-24 22:16:24,626 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 387 transitions. [2023-11-24 22:16:24,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:16:24,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:24,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:24,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:16:24,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:24,768 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:25,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:25,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 119 states and 388 transitions. [2023-11-24 22:16:25,832 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 388 transitions. [2023-11-24 22:16:25,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:16:25,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:25,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:25,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:16:25,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:26,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:26,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 121 states and 390 transitions. [2023-11-24 22:16:26,943 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 390 transitions. [2023-11-24 22:16:26,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:16:26,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:26,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:26,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:16:26,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:27,074 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:28,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:28,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 123 states and 392 transitions. [2023-11-24 22:16:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 392 transitions. [2023-11-24 22:16:28,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:16:28,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:28,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:28,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:16:28,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:28,185 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:29,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:29,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 125 states and 393 transitions. [2023-11-24 22:16:29,164 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 393 transitions. [2023-11-24 22:16:29,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:16:29,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:29,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:29,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:16:29,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:29,459 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:31,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:31,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 129 states and 414 transitions. [2023-11-24 22:16:31,365 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 414 transitions. [2023-11-24 22:16:31,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:16:31,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:31,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:31,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:16:31,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:31,530 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:32,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 131 states and 416 transitions. [2023-11-24 22:16:32,702 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 416 transitions. [2023-11-24 22:16:32,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:16:32,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:32,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:32,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:16:32,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:33,121 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:35,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:35,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 135 states and 447 transitions. [2023-11-24 22:16:35,204 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 447 transitions. [2023-11-24 22:16:35,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:16:35,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:35,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:35,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:16:35,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:35,340 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:36,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:36,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 137 states and 449 transitions. [2023-11-24 22:16:36,460 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 449 transitions. [2023-11-24 22:16:36,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:16:36,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:36,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:36,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:16:36,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:36,556 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:38,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:38,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 141 states and 493 transitions. [2023-11-24 22:16:38,264 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 493 transitions. [2023-11-24 22:16:38,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:16:38,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:38,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:38,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:16:38,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:38,398 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:16:39,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 143 states and 495 transitions. [2023-11-24 22:16:39,641 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 495 transitions. [2023-11-24 22:16:39,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:16:39,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:39,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:39,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:16:39,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:39,726 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.