./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.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_aa919139-e50c-4dbd-aade-fc9edcb08999/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa919139-e50c-4dbd-aade-fc9edcb08999/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_aa919139-e50c-4dbd-aade-fc9edcb08999/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa919139-e50c-4dbd-aade-fc9edcb08999/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa919139-e50c-4dbd-aade-fc9edcb08999/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_aa919139-e50c-4dbd-aade-fc9edcb08999/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 c39f3d25be406fa166da46a61b4a36c0a90262202dfdee83ae8e5211f182a6f7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:09,562 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:09,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa919139-e50c-4dbd-aade-fc9edcb08999/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:00:09,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:00:09,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:00:09,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:09,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:09,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:09,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:09,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:09,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:09,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:09,789 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:00:09,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:00:09,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:00:09,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:09,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:09,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:09,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:09,795 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:00:09,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:09,796 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:09,797 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:09,798 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:09,799 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:09,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:09,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:09,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:09,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:09,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:09,803 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:00:09,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:00:09,804 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:09,805 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_aa919139-e50c-4dbd-aade-fc9edcb08999/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa919139-e50c-4dbd-aade-fc9edcb08999/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c39f3d25be406fa166da46a61b4a36c0a90262202dfdee83ae8e5211f182a6f7 [2023-11-24 23:00:10,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:10,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:10,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:10,173 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:10,175 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:10,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa919139-e50c-4dbd-aade-fc9edcb08999/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c [2023-11-24 23:00:14,029 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:14,297 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:14,298 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa919139-e50c-4dbd-aade-fc9edcb08999/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c [2023-11-24 23:00:14,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa919139-e50c-4dbd-aade-fc9edcb08999/bin/ukojak-verify-afCqCEvfdi/data/b0e0341fe/51df254d901343fe939b95602548a059/FLAG48d66089b [2023-11-24 23:00:14,326 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa919139-e50c-4dbd-aade-fc9edcb08999/bin/ukojak-verify-afCqCEvfdi/data/b0e0341fe/51df254d901343fe939b95602548a059 [2023-11-24 23:00:14,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:14,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:14,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:14,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:14,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:14,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:14" (1/1) ... [2023-11-24 23:00:14,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d58cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:14, skipping insertion in model container [2023-11-24 23:00:14,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:14" (1/1) ... [2023-11-24 23:00:14,371 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:14,593 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_aa919139-e50c-4dbd-aade-fc9edcb08999/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c[526,539] [2023-11-24 23:00:14,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:14,629 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:14,646 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_aa919139-e50c-4dbd-aade-fc9edcb08999/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound100.c[526,539] [2023-11-24 23:00:14,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:14,675 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:14,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:14 WrapperNode [2023-11-24 23:00:14,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:14,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:14,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:14,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:14,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:14" (1/1) ... [2023-11-24 23:00:14,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:14" (1/1) ... [2023-11-24 23:00:14,720 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2023-11-24 23:00:14,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:14,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:14,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:14,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:14,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:14" (1/1) ... [2023-11-24 23:00:14,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:14" (1/1) ... [2023-11-24 23:00:14,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:14" (1/1) ... [2023-11-24 23:00:14,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:14" (1/1) ... [2023-11-24 23:00:14,743 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:14" (1/1) ... [2023-11-24 23:00:14,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:14" (1/1) ... [2023-11-24 23:00:14,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:14" (1/1) ... [2023-11-24 23:00:14,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:14" (1/1) ... [2023-11-24 23:00:14,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:14,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:14,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:14,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:14,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:14" (1/1) ... [2023-11-24 23:00:14,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:14,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa919139-e50c-4dbd-aade-fc9edcb08999/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:14,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa919139-e50c-4dbd-aade-fc9edcb08999/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:14,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa919139-e50c-4dbd-aade-fc9edcb08999/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:00:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:14,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:00:14,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:00:14,994 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:14,997 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:15,191 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:15,284 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:15,284 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:00:15,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:15 BoogieIcfgContainer [2023-11-24 23:00:15,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:15,288 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:15,288 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:15,307 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:15,307 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:15,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:15,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:15,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-24 23:00:15,393 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-24 23:00:15,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:00:15,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:15,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:15,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:15,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 38 transitions. [2023-11-24 23:00:15,920 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-24 23:00:15,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:00:15,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:15,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:16,171 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 23:00:16,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:16,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 42 transitions. [2023-11-24 23:00:16,395 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2023-11-24 23:00:16,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:00:16,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:16,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:16,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:00:16,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:16,801 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:00:17,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:17,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 49 transitions. [2023-11-24 23:00:17,389 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2023-11-24 23:00:17,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:00:17,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:17,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:17,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:00:17,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:17,704 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:00:18,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:18,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 55 transitions. [2023-11-24 23:00:18,034 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2023-11-24 23:00:18,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:00:18,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:18,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:18,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:00:18,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:18,214 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:00:18,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:18,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 63 transitions. [2023-11-24 23:00:18,509 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2023-11-24 23:00:18,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:00:18,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:18,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:18,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:00:18,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:18,800 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:00:19,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 73 transitions. [2023-11-24 23:00:19,611 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2023-11-24 23:00:19,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:00:19,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:19,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:19,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:00:19,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:19,733 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:00:19,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:19,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 82 transitions. [2023-11-24 23:00:19,935 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2023-11-24 23:00:19,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:00:19,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:19,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:19,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:00:19,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:20,024 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 23:00:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:20,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 50 states and 90 transitions. [2023-11-24 23:00:20,509 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2023-11-24 23:00:20,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:00:20,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:20,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:20,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:00:20,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:20,656 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:00:21,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:21,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 51 states and 91 transitions. [2023-11-24 23:00:21,078 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2023-11-24 23:00:21,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:00:21,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:21,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:21,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:00:21,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:21,242 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 14 proven. 13 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-24 23:00:21,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:21,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 54 states and 97 transitions. [2023-11-24 23:00:21,695 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2023-11-24 23:00:21,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 23:00:21,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:21,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:21,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:00:21,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:21,963 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 18 proven. 32 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 23:00:22,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:23,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 59 states and 107 transitions. [2023-11-24 23:00:23,000 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 107 transitions. [2023-11-24 23:00:23,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 23:00:23,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:23,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:23,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:00:23,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:23,552 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 23:00:24,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:24,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 65 states and 122 transitions. [2023-11-24 23:00:24,689 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2023-11-24 23:00:24,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:00:24,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:24,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:24,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:00:24,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 23:00:25,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:25,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 67 states and 127 transitions. [2023-11-24 23:00:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2023-11-24 23:00:25,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:00:25,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:25,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:25,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:00:25,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-24 23:00:25,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:25,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 67 states and 126 transitions. [2023-11-24 23:00:25,862 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 126 transitions. [2023-11-24 23:00:25,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 23:00:25,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:25,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:25,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 23:00:25,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:26,545 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 22 proven. 34 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-24 23:00:27,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:27,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 70 states and 132 transitions. [2023-11-24 23:00:27,469 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2023-11-24 23:00:27,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 23:00:27,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:27,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:27,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:00:27,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:27,781 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 24 proven. 55 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 23:00:29,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:29,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 75 states and 142 transitions. [2023-11-24 23:00:29,101 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 142 transitions. [2023-11-24 23:00:29,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 23:00:29,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:29,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:29,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:00:29,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:29,390 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 24 proven. 37 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 23:00:29,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:29,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 75 states and 141 transitions. [2023-11-24 23:00:29,948 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 141 transitions. [2023-11-24 23:00:29,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 23:00:29,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:29,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:30,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:00:30,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:30,554 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 23:00:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:32,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 81 states and 156 transitions. [2023-11-24 23:00:32,051 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 156 transitions. [2023-11-24 23:00:32,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-24 23:00:32,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:32,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:32,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:00:32,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:32,345 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 26 proven. 49 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 23:00:32,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 83 states and 161 transitions. [2023-11-24 23:00:32,709 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 161 transitions. [2023-11-24 23:00:32,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-24 23:00:32,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:32,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:32,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:00:32,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 26 proven. 31 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-11-24 23:00:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 83 states and 160 transitions. [2023-11-24 23:00:33,344 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 160 transitions. [2023-11-24 23:00:33,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-24 23:00:33,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:33,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:33,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:00:33,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:33,734 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 41 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-24 23:00:34,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:34,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 85 states and 171 transitions. [2023-11-24 23:00:34,736 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 171 transitions. [2023-11-24 23:00:34,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-24 23:00:34,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:34,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:34,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 23:00:34,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:35,381 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 57 proven. 58 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-24 23:00:36,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:36,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 89 states and 184 transitions. [2023-11-24 23:00:36,569 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 184 transitions. [2023-11-24 23:00:36,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-24 23:00:36,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:36,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:36,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:00:36,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:36,934 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 30 proven. 83 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-24 23:00:38,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:38,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 94 states and 194 transitions. [2023-11-24 23:00:38,544 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 194 transitions. [2023-11-24 23:00:38,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-24 23:00:38,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:38,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:38,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:00:38,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:38,855 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 30 proven. 62 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-24 23:00:39,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:39,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 96 states and 199 transitions. [2023-11-24 23:00:39,335 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 199 transitions. [2023-11-24 23:00:39,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-24 23:00:39,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:39,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:39,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:00:39,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 30 proven. 62 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-24 23:00:40,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 98 states and 204 transitions. [2023-11-24 23:00:40,099 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 204 transitions. [2023-11-24 23:00:40,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-24 23:00:40,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:40,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:40,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 23:00:40,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:40,791 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 30 proven. 69 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-24 23:00:42,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:42,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 104 states and 221 transitions. [2023-11-24 23:00:42,627 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 221 transitions. [2023-11-24 23:00:42,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-24 23:00:42,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:42,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:42,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:00:42,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:42,955 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 32 proven. 73 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-11-24 23:00:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:43,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 106 states and 226 transitions. [2023-11-24 23:00:43,367 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 226 transitions. [2023-11-24 23:00:43,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-24 23:00:43,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:43,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:43,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:00:43,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:43,570 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2023-11-24 23:00:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:43,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 106 states and 225 transitions. [2023-11-24 23:00:43,996 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 225 transitions. [2023-11-24 23:00:43,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-24 23:00:43,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:43,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:44,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-24 23:00:44,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:45,023 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 67 proven. 68 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2023-11-24 23:00:46,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:46,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 111 states and 235 transitions. [2023-11-24 23:00:46,799 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 235 transitions. [2023-11-24 23:00:46,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-24 23:00:46,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:46,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:46,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 23:00:46,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:47,055 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 34 proven. 70 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-24 23:00:47,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:47,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 111 states and 234 transitions. [2023-11-24 23:00:47,754 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 234 transitions. [2023-11-24 23:00:47,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-24 23:00:47,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:47,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:47,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-24 23:00:47,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:48,570 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 34 proven. 81 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-24 23:00:50,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:50,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 115 states and 247 transitions. [2023-11-24 23:00:50,303 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 247 transitions. [2023-11-24 23:00:50,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-24 23:00:50,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:50,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:50,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-24 23:00:50,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 36 proven. 116 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 23:00:53,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:53,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 120 states and 259 transitions. [2023-11-24 23:00:53,420 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 259 transitions. [2023-11-24 23:00:53,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-24 23:00:53,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:53,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:53,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-24 23:00:53,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:53,843 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 36 proven. 86 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 23:00:54,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:54,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 122 states and 264 transitions. [2023-11-24 23:00:54,328 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 264 transitions. [2023-11-24 23:00:54,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-24 23:00:54,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:54,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:54,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-24 23:00:54,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 36 proven. 86 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 23:00:55,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:55,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 124 states and 269 transitions. [2023-11-24 23:00:55,095 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 269 transitions. [2023-11-24 23:00:55,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-24 23:00:55,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:55,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:55,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 23:00:55,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:55,731 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 36 proven. 98 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 23:00:57,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:57,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 130 states and 286 transitions. [2023-11-24 23:00:57,696 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 286 transitions. [2023-11-24 23:00:57,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-24 23:00:57,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:57,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:57,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 23:00:57,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 38 proven. 102 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-24 23:00:58,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:58,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 132 states and 291 transitions. [2023-11-24 23:00:58,382 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 291 transitions. [2023-11-24 23:00:58,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-24 23:00:58,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:58,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:58,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:00:58,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 38 proven. 49 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2023-11-24 23:00:59,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:59,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 132 states and 290 transitions. [2023-11-24 23:00:59,341 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 290 transitions. [2023-11-24 23:00:59,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-24 23:00:59,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:59,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:59,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-24 23:00:59,467 INFO L285 TraceCheckSpWp]: Computing forward predicates...