./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_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_96ec24a2-e179-4a9b-b368-c9b267e8043b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ec24a2-e179-4a9b-b368-c9b267e8043b/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_96ec24a2-e179-4a9b-b368-c9b267e8043b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ec24a2-e179-4a9b-b368-c9b267e8043b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ec24a2-e179-4a9b-b368-c9b267e8043b/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_96ec24a2-e179-4a9b-b368-c9b267e8043b/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 436f0a1b9da8affd8e76edc25dee0cffff5a08ff489ec96067821d6a4548518b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:32:54,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:32:54,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ec24a2-e179-4a9b-b368-c9b267e8043b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:32:54,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:32:54,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:32:54,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:32:54,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:32:54,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:32:54,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:32:54,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:32:54,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:32:54,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:32:54,425 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:32:54,425 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:32:54,426 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:32:54,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:32:54,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:32:54,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:32:54,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:32:54,428 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:32:54,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:32:54,429 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:32:54,430 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:32:54,430 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:32:54,430 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:32:54,431 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:32:54,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:54,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:32:54,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:32:54,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:32:54,433 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:32:54,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:32:54,433 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:32:54,434 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_96ec24a2-e179-4a9b-b368-c9b267e8043b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ec24a2-e179-4a9b-b368-c9b267e8043b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 436f0a1b9da8affd8e76edc25dee0cffff5a08ff489ec96067821d6a4548518b [2023-11-19 02:32:54,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:32:54,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:32:54,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:32:54,719 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:32:54,720 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:32:54,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ec24a2-e179-4a9b-b368-c9b267e8043b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound50.c [2023-11-19 02:32:57,748 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:32:57,967 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:32:57,968 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ec24a2-e179-4a9b-b368-c9b267e8043b/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound50.c [2023-11-19 02:32:57,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ec24a2-e179-4a9b-b368-c9b267e8043b/bin/ukojak-verify-G8NBE6pJGL/data/5183fd04e/c0cbd30827bf4bcc833dd70774e19636/FLAG5292d27fb [2023-11-19 02:32:57,993 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ec24a2-e179-4a9b-b368-c9b267e8043b/bin/ukojak-verify-G8NBE6pJGL/data/5183fd04e/c0cbd30827bf4bcc833dd70774e19636 [2023-11-19 02:32:57,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:32:57,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:32:57,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:32:57,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:32:58,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:32:58,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:57" (1/1) ... [2023-11-19 02:32:58,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea50fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:58, skipping insertion in model container [2023-11-19 02:32:58,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:57" (1/1) ... [2023-11-19 02:32:58,030 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:32:58,180 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_96ec24a2-e179-4a9b-b368-c9b267e8043b/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound50.c[490,503] [2023-11-19 02:32:58,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:32:58,225 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:32:58,237 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_96ec24a2-e179-4a9b-b368-c9b267e8043b/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound50.c[490,503] [2023-11-19 02:32:58,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:32:58,266 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:32:58,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:58 WrapperNode [2023-11-19 02:32:58,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:32:58,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:32:58,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:32:58,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:32:58,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:58" (1/1) ... [2023-11-19 02:32:58,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:58" (1/1) ... [2023-11-19 02:32:58,302 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 94 [2023-11-19 02:32:58,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:32:58,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:32:58,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:32:58,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:32:58,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:58" (1/1) ... [2023-11-19 02:32:58,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:58" (1/1) ... [2023-11-19 02:32:58,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:58" (1/1) ... [2023-11-19 02:32:58,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:58" (1/1) ... [2023-11-19 02:32:58,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:58" (1/1) ... [2023-11-19 02:32:58,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:58" (1/1) ... [2023-11-19 02:32:58,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:58" (1/1) ... [2023-11-19 02:32:58,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:58" (1/1) ... [2023-11-19 02:32:58,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:32:58,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:32:58,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:32:58,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:32:58,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:58" (1/1) ... [2023-11-19 02:32:58,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:58,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ec24a2-e179-4a9b-b368-c9b267e8043b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:32:58,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ec24a2-e179-4a9b-b368-c9b267e8043b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:32:58,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ec24a2-e179-4a9b-b368-c9b267e8043b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:32:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:32:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:32:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:32:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:32:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:32:58,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:32:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:32:58,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:32:58,528 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:32:58,531 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:32:58,803 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:32:58,830 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:32:58,830 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:32:58,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:58 BoogieIcfgContainer [2023-11-19 02:32:58,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:32:58,836 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:32:58,836 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:32:58,847 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:32:58,847 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:58" (1/1) ... [2023-11-19 02:32:58,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:32:58,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:58,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-19 02:32:58,915 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-19 02:32:58,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:32:58,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:58,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:59,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:32:59,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:32:59,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:32:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2023-11-19 02:32:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2023-11-19 02:32:59,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:32:59,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:59,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:59,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:32:59,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:32:59,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:32:59,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2023-11-19 02:32:59,416 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2023-11-19 02:32:59,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:32:59,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:59,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:59,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:32:59,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:32:59,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:00,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:00,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2023-11-19 02:33:00,120 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-11-19 02:33:00,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:33:00,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:00,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:00,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:33:00,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:00,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:00,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:00,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2023-11-19 02:33:00,192 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2023-11-19 02:33:00,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:33:00,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:00,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:00,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:33:00,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:00,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:00,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:00,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2023-11-19 02:33:00,713 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2023-11-19 02:33:00,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:33:00,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:00,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:00,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:33:00,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:00,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:01,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:01,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2023-11-19 02:33:01,215 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2023-11-19 02:33:01,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:33:01,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:01,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:01,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:33:01,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:01,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:01,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:01,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 89 transitions. [2023-11-19 02:33:01,863 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2023-11-19 02:33:01,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:33:01,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:01,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:01,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:33:01,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:02,164 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:33:05,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:05,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 117 transitions. [2023-11-19 02:33:05,091 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 117 transitions. [2023-11-19 02:33:05,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:33:05,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:05,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:05,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:33:05,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:05,169 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:33:05,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:05,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 121 transitions. [2023-11-19 02:33:05,607 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 121 transitions. [2023-11-19 02:33:05,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:33:05,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:05,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:05,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:33:05,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:05,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:06,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 70 states and 138 transitions. [2023-11-19 02:33:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 138 transitions. [2023-11-19 02:33:06,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:33:06,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:06,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:07,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:33:07,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:07,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:07,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:07,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 72 states and 141 transitions. [2023-11-19 02:33:07,788 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2023-11-19 02:33:07,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:33:07,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:07,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:07,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:33:07,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:08,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:08,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:08,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 75 states and 153 transitions. [2023-11-19 02:33:08,949 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 153 transitions. [2023-11-19 02:33:08,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:33:08,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:08,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:08,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:33:08,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:09,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:11,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:11,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 85 states and 182 transitions. [2023-11-19 02:33:11,563 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 182 transitions. [2023-11-19 02:33:11,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:33:11,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:11,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:11,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 02:33:11,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:11,958 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:33:14,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:14,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 91 states and 196 transitions. [2023-11-19 02:33:14,281 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 196 transitions. [2023-11-19 02:33:14,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:33:14,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:14,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:14,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:33:14,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:14,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:14,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 91 states and 195 transitions. [2023-11-19 02:33:14,700 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 195 transitions. [2023-11-19 02:33:14,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:33:14,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:14,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:14,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:33:14,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:15,368 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:20,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 103 states and 218 transitions. [2023-11-19 02:33:20,833 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 218 transitions. [2023-11-19 02:33:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:33:20,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:20,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:20,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:33:20,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:21,067 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:21,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:21,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 105 states and 219 transitions. [2023-11-19 02:33:21,952 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 219 transitions. [2023-11-19 02:33:21,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:33:21,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:21,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:21,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:33:21,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:22,406 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:26,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 112 states and 237 transitions. [2023-11-19 02:33:26,024 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 237 transitions. [2023-11-19 02:33:26,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:33:26,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:26,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:26,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:33:26,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:28,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:28,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 116 states and 240 transitions. [2023-11-19 02:33:28,019 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 240 transitions. [2023-11-19 02:33:28,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:33:28,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:28,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:28,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:33:28,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:28,265 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:33:32,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:32,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 124 states and 262 transitions. [2023-11-19 02:33:32,186 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 262 transitions. [2023-11-19 02:33:32,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:33:32,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:32,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:32,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:33:32,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:32,831 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:38,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:38,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 135 states and 293 transitions. [2023-11-19 02:33:38,318 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 293 transitions. [2023-11-19 02:33:38,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:33:38,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:38,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:38,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:33:38,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:38,472 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:40,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 139 states and 297 transitions. [2023-11-19 02:33:40,997 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 297 transitions. [2023-11-19 02:33:40,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:33:40,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:40,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:41,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:33:41,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:33:44,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 145 states and 313 transitions. [2023-11-19 02:33:44,671 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 313 transitions. [2023-11-19 02:33:44,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:33:44,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:44,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:44,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:33:44,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:45,095 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:47,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:47,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 148 states and 321 transitions. [2023-11-19 02:33:47,744 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 321 transitions. [2023-11-19 02:33:47,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:33:47,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:47,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:47,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:33:47,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:47,837 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:48,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:48,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 148 states and 320 transitions. [2023-11-19 02:33:48,507 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 320 transitions. [2023-11-19 02:33:48,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:33:48,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:48,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:48,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:33:48,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.