./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6efaadd5-ff1e-4b93-962b-b049b060cfec/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6efaadd5-ff1e-4b93-962b-b049b060cfec/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6efaadd5-ff1e-4b93-962b-b049b060cfec/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6efaadd5-ff1e-4b93-962b-b049b060cfec/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6efaadd5-ff1e-4b93-962b-b049b060cfec/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6efaadd5-ff1e-4b93-962b-b049b060cfec/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5506d4c7458a400c41a33af3f6404f1e04b9f2e97e99f1fb53b74acf6bf59baf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:04,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:04,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6efaadd5-ff1e-4b93-962b-b049b060cfec/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:55:04,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:55:04,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:55:04,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:04,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:04,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:04,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:04,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:04,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:04,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:04,349 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:04,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:55:04,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:04,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:04,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:04,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:04,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:04,354 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:04,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:04,355 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:04,356 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:04,356 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:04,357 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:04,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:04,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:04,359 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:04,359 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:04,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:04,360 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:55:04,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:55:04,362 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:04,362 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_6efaadd5-ff1e-4b93-962b-b049b060cfec/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6efaadd5-ff1e-4b93-962b-b049b060cfec/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5506d4c7458a400c41a33af3f6404f1e04b9f2e97e99f1fb53b74acf6bf59baf [2023-11-19 02:55:04,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:04,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:04,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:04,656 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:04,656 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:04,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6efaadd5-ff1e-4b93-962b-b049b060cfec/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c [2023-11-19 02:55:07,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:08,089 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:08,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6efaadd5-ff1e-4b93-962b-b049b060cfec/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c [2023-11-19 02:55:08,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6efaadd5-ff1e-4b93-962b-b049b060cfec/bin/ukojak-verify-G8NBE6pJGL/data/70a592dc6/c38a96c3c9d442ceba3e81cbc72bc3e3/FLAG69d2bd0a8 [2023-11-19 02:55:08,113 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6efaadd5-ff1e-4b93-962b-b049b060cfec/bin/ukojak-verify-G8NBE6pJGL/data/70a592dc6/c38a96c3c9d442ceba3e81cbc72bc3e3 [2023-11-19 02:55:08,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:08,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:08,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:08,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:08,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:08,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:08,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9e5d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08, skipping insertion in model container [2023-11-19 02:55:08,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:08,165 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:08,301 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_6efaadd5-ff1e-4b93-962b-b049b060cfec/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c[526,539] [2023-11-19 02:55:08,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:08,326 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:08,338 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_6efaadd5-ff1e-4b93-962b-b049b060cfec/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c[526,539] [2023-11-19 02:55:08,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:08,365 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:08,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08 WrapperNode [2023-11-19 02:55:08,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:08,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:08,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:08,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:08,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:08,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:08,401 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2023-11-19 02:55:08,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:08,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:08,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:08,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:08,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:08,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:08,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:08,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:08,416 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:08,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:08,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:08,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:08,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:08,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:08,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:08,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:08,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:08,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:08,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6efaadd5-ff1e-4b93-962b-b049b060cfec/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:08,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6efaadd5-ff1e-4b93-962b-b049b060cfec/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:08,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6efaadd5-ff1e-4b93-962b-b049b060cfec/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:08,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:08,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:55:08,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:08,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:55:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:55:08,564 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:08,566 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:08,732 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:08,769 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:08,770 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:55:08,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:08 BoogieIcfgContainer [2023-11-19 02:55:08,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:55:08,776 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:55:08,776 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:55:08,787 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:55:08,787 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:08" (1/1) ... [2023-11-19 02:55:08,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:55:08,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:08,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-19 02:55:08,847 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-19 02:55:08,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:55:08,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:08,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:09,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:55:09,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:09,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:09,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-19 02:55:09,157 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-19 02:55:09,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:55:09,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:09,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:09,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:09,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2023-11-19 02:55:09,529 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-11-19 02:55:09,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:55:09,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:09,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:09,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:09,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:09,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:09,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:09,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2023-11-19 02:55:09,841 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-19 02:55:09,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:55:09,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:09,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:09,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:10,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:10,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2023-11-19 02:55:10,273 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2023-11-19 02:55:10,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:55:10,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:10,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:10,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:10,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:10,495 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:55:11,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:11,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2023-11-19 02:55:11,213 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-11-19 02:55:11,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:55:11,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:11,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:11,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:11,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:11,321 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:11,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:11,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 71 transitions. [2023-11-19 02:55:11,551 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2023-11-19 02:55:11,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:55:11,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:11,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:11,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:11,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:11,703 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:12,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:12,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 52 states and 106 transitions. [2023-11-19 02:55:12,853 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2023-11-19 02:55:12,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:55:12,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:12,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:12,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:12,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:12,972 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:13,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:13,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 54 states and 112 transitions. [2023-11-19 02:55:13,392 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2023-11-19 02:55:13,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:55:13,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:13,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:13,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:13,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:13,517 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:55:13,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:13,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 59 states and 130 transitions. [2023-11-19 02:55:13,914 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 130 transitions. [2023-11-19 02:55:13,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:55:13,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:13,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:13,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:13,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:55:14,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:14,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 61 states and 131 transitions. [2023-11-19 02:55:14,359 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2023-11-19 02:55:14,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:55:14,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:14,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:14,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:55:14,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:14,536 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:55:15,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:15,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 66 states and 149 transitions. [2023-11-19 02:55:15,848 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 149 transitions. [2023-11-19 02:55:15,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:55:15,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:15,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:15,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:55:15,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:15,973 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:55:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:16,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 68 states and 150 transitions. [2023-11-19 02:55:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 150 transitions. [2023-11-19 02:55:16,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:55:16,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:16,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:16,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:16,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:16,607 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:55:16,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 71 states and 165 transitions. [2023-11-19 02:55:16,692 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 165 transitions. [2023-11-19 02:55:16,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:55:16,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:16,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:16,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:16,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:55:17,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:17,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 72 states and 167 transitions. [2023-11-19 02:55:17,120 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 167 transitions. [2023-11-19 02:55:17,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:55:17,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:17,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:17,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:17,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:17,275 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:55:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:17,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 75 states and 177 transitions. [2023-11-19 02:55:17,860 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 177 transitions. [2023-11-19 02:55:17,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:55:17,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:17,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:17,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:17,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:17,970 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 02:55:18,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:18,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 75 states and 175 transitions. [2023-11-19 02:55:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 175 transitions. [2023-11-19 02:55:18,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:55:18,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:18,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:18,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:18,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:18,499 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:55:20,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:20,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 85 states and 236 transitions. [2023-11-19 02:55:20,628 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 236 transitions. [2023-11-19 02:55:20,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:55:20,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:20,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:20,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:20,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:20,740 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:55:21,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:21,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 85 states and 235 transitions. [2023-11-19 02:55:21,080 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 235 transitions. [2023-11-19 02:55:21,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:55:21,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:21,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:21,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:55:21,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:21,473 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 02:55:23,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:23,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 89 states and 250 transitions. [2023-11-19 02:55:23,167 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 250 transitions. [2023-11-19 02:55:23,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:55:23,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:23,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:23,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:55:23,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:23,335 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:55:24,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:24,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 92 states and 259 transitions. [2023-11-19 02:55:24,351 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 259 transitions. [2023-11-19 02:55:24,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:55:24,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:24,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:24,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:24,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:24,527 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 02:55:25,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 94 states and 264 transitions. [2023-11-19 02:55:25,070 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 264 transitions. [2023-11-19 02:55:25,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:55:25,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:25,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:25,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:25,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:25,135 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-19 02:55:25,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:25,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 96 states and 265 transitions. [2023-11-19 02:55:25,566 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 265 transitions. [2023-11-19 02:55:25,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:55:25,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:25,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:25,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:55:25,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:25,851 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:55:28,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:28,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 102 states and 294 transitions. [2023-11-19 02:55:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 294 transitions. [2023-11-19 02:55:28,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:55:28,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:28,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:28,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:55:28,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:28,913 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 33 proven. 20 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 02:55:30,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:30,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 104 states and 295 transitions. [2023-11-19 02:55:30,082 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 295 transitions. [2023-11-19 02:55:30,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:55:30,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:30,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:30,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:55:30,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:30,237 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:55:31,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:31,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 106 states and 296 transitions. [2023-11-19 02:55:31,040 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 296 transitions. [2023-11-19 02:55:31,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:55:31,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:31,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:31,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:31,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:31,374 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:55:33,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 111 states and 325 transitions. [2023-11-19 02:55:33,753 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 325 transitions. [2023-11-19 02:55:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:55:33,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:33,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:33,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:55:33,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:34,311 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:55:37,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:37,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 122 states and 383 transitions. [2023-11-19 02:55:37,902 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 383 transitions. [2023-11-19 02:55:37,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:55:37,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:37,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:37,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:37,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:38,276 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:55:40,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:40,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 127 states and 401 transitions. [2023-11-19 02:55:40,452 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 401 transitions. [2023-11-19 02:55:40,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:55:40,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:40,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:40,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:55:40,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:40,776 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:55:41,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:41,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 128 states and 402 transitions. [2023-11-19 02:55:41,266 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 402 transitions. [2023-11-19 02:55:41,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:55:41,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:41,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:41,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:55:41,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:41,657 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:55:42,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:42,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 128 states and 401 transitions. [2023-11-19 02:55:42,521 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 401 transitions. [2023-11-19 02:55:42,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:55:42,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:42,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:42,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:42,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:42,625 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:55:44,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:44,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 132 states and 467 transitions. [2023-11-19 02:55:44,290 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 467 transitions. [2023-11-19 02:55:44,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:55:44,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:44,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:44,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:44,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:55:46,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 135 states and 473 transitions. [2023-11-19 02:55:46,103 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 473 transitions. [2023-11-19 02:55:46,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:55:46,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:46,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:46,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:55:46,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:46,466 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:55:47,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:47,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 138 states and 478 transitions. [2023-11-19 02:55:47,440 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 478 transitions. [2023-11-19 02:55:47,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:55:47,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:47,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:47,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:55:47,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:47,636 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:55:48,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:48,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 141 states and 488 transitions. [2023-11-19 02:55:49,000 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 488 transitions. [2023-11-19 02:55:49,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:55:49,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:49,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:49,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:49,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:49,121 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:55:51,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:51,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 145 states and 494 transitions. [2023-11-19 02:55:51,486 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 494 transitions. [2023-11-19 02:55:51,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:55:51,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:51,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:51,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:51,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:51,612 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-19 02:55:52,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:52,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 145 states and 491 transitions. [2023-11-19 02:55:52,140 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 491 transitions. [2023-11-19 02:55:52,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:55:52,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:52,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:52,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:52,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:52,254 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:55:52,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:52,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 145 states and 490 transitions. [2023-11-19 02:55:52,846 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 490 transitions. [2023-11-19 02:55:52,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:55:52,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:52,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:52,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:52,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:52,978 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-19 02:55:53,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:53,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 145 states and 489 transitions. [2023-11-19 02:55:53,448 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 489 transitions. [2023-11-19 02:55:53,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:55:53,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:53,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:53,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:53,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:53,762 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:55:55,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:55,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 148 states and 502 transitions. [2023-11-19 02:55:55,266 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 502 transitions. [2023-11-19 02:55:55,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:55:55,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:55,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:55,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:55,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:55:55,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:55,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 148 states and 501 transitions. [2023-11-19 02:55:55,893 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 501 transitions. [2023-11-19 02:55:55,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:55:55,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:55,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:55,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:55:55,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:56,049 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 02:55:57,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:57,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 151 states and 514 transitions. [2023-11-19 02:55:57,545 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 514 transitions. [2023-11-19 02:55:57,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:55:57,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:57,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:57,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:57,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:57,661 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 54 proven. 126 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 02:55:58,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:58,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 153 states and 520 transitions. [2023-11-19 02:55:58,667 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 520 transitions. [2023-11-19 02:55:58,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:55:58,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:58,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:58,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:58,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:58,786 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 54 proven. 126 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 02:55:59,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 155 states and 524 transitions. [2023-11-19 02:55:59,698 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 524 transitions. [2023-11-19 02:55:59,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:55:59,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:59,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:59,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:55:59,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:59,858 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.