./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/egcd.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e33b7d-1f21-4f8e-8916-088d33c7402c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e33b7d-1f21-4f8e-8916-088d33c7402c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e33b7d-1f21-4f8e-8916-088d33c7402c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e33b7d-1f21-4f8e-8916-088d33c7402c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e33b7d-1f21-4f8e-8916-088d33c7402c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e33b7d-1f21-4f8e-8916-088d33c7402c/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 01ca8c8e30ceefcd4f6e4832a31edd1224d925e8551df750bd60cc922035a838 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:23,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:23,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e33b7d-1f21-4f8e-8916-088d33c7402c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:19:23,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:19:23,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:19:23,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:23,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:23,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:23,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:23,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:23,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:23,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:23,399 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:19:23,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:19:23,400 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:19:23,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:23,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:23,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:23,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:23,404 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:19:23,404 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:19:23,409 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:19:23,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:23,411 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:23,415 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:23,416 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:23,417 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:23,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:23,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:23,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:23,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:23,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:23,421 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:19:23,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:19:23,422 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:23,422 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_05e33b7d-1f21-4f8e-8916-088d33c7402c/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e33b7d-1f21-4f8e-8916-088d33c7402c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01ca8c8e30ceefcd4f6e4832a31edd1224d925e8551df750bd60cc922035a838 [2023-11-23 20:19:23,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:23,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:23,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:23,730 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:23,731 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:23,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e33b7d-1f21-4f8e-8916-088d33c7402c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/egcd.c [2023-11-23 20:19:26,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:27,030 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:27,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e33b7d-1f21-4f8e-8916-088d33c7402c/sv-benchmarks/c/nla-digbench/egcd.c [2023-11-23 20:19:27,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e33b7d-1f21-4f8e-8916-088d33c7402c/bin/ukojak-verify-1t5iHCbJaC/data/e497b7fd0/473d4791745a4abcb7c2c441bc9a6eb5/FLAG5264c4c18 [2023-11-23 20:19:27,055 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e33b7d-1f21-4f8e-8916-088d33c7402c/bin/ukojak-verify-1t5iHCbJaC/data/e497b7fd0/473d4791745a4abcb7c2c441bc9a6eb5 [2023-11-23 20:19:27,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:27,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:27,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:27,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:27,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:27,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:27" (1/1) ... [2023-11-23 20:19:27,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55effda0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:27, skipping insertion in model container [2023-11-23 20:19:27,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:27" (1/1) ... [2023-11-23 20:19:27,094 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:27,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:27,288 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:19:27,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:27,326 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:19:27,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:27 WrapperNode [2023-11-23 20:19:27,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:27,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:27,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:19:27,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:19:27,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:27" (1/1) ... [2023-11-23 20:19:27,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:27" (1/1) ... [2023-11-23 20:19:27,391 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2023-11-23 20:19:27,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:27,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:19:27,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:19:27,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:19:27,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:27" (1/1) ... [2023-11-23 20:19:27,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:27" (1/1) ... [2023-11-23 20:19:27,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:27" (1/1) ... [2023-11-23 20:19:27,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:27" (1/1) ... [2023-11-23 20:19:27,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:27" (1/1) ... [2023-11-23 20:19:27,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:27" (1/1) ... [2023-11-23 20:19:27,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:27" (1/1) ... [2023-11-23 20:19:27,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:27" (1/1) ... [2023-11-23 20:19:27,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:19:27,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:19:27,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:19:27,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:19:27,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:27" (1/1) ... [2023-11-23 20:19:27,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:27,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e33b7d-1f21-4f8e-8916-088d33c7402c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:19:27,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e33b7d-1f21-4f8e-8916-088d33c7402c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:19:27,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e33b7d-1f21-4f8e-8916-088d33c7402c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:19:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:19:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:19:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:19:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:19:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:19:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:19:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:19:27,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:19:27,604 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:19:27,607 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:19:28,218 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:19:28,261 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:19:28,262 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:19:28,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:28 BoogieIcfgContainer [2023-11-23 20:19:28,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:19:28,265 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:19:28,265 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:19:28,276 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:19:28,277 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:28" (1/1) ... [2023-11-23 20:19:28,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:19:28,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:28,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 132 states and 141 transitions. [2023-11-23 20:19:28,385 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2023-11-23 20:19:28,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:19:28,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:28,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:28,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:28,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 132 states and 140 transitions. [2023-11-23 20:19:28,648 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 140 transitions. [2023-11-23 20:19:28,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:19:28,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:28,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:28,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:19:28,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:28,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:28,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:28,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 134 states and 144 transitions. [2023-11-23 20:19:28,841 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 144 transitions. [2023-11-23 20:19:28,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:19:28,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:28,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:28,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:19:28,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:28,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:28,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 135 states and 145 transitions. [2023-11-23 20:19:28,949 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 145 transitions. [2023-11-23 20:19:28,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:19:28,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:28,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:28,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:19:28,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:29,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:29,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 139 states and 152 transitions. [2023-11-23 20:19:29,138 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-23 20:19:29,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:19:29,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:29,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:29,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:19:29,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:29,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:29,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:29,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 140 states and 153 transitions. [2023-11-23 20:19:29,244 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2023-11-23 20:19:29,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:19:29,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:29,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:29,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:19:29,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:29,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:29,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:29,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 143 states and 156 transitions. [2023-11-23 20:19:29,475 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2023-11-23 20:19:29,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:19:29,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:29,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:29,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:19:29,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:29,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:29,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:29,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 144 states and 157 transitions. [2023-11-23 20:19:29,604 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 157 transitions. [2023-11-23 20:19:29,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:19:29,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:29,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:29,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:19:29,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:29,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:29,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:29,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 153 states and 170 transitions. [2023-11-23 20:19:29,847 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 170 transitions. [2023-11-23 20:19:29,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:19:29,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:29,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:29,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:19:29,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:29,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:29,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:29,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 154 states and 171 transitions. [2023-11-23 20:19:29,967 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 171 transitions. [2023-11-23 20:19:29,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:19:29,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:29,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:30,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:19:30,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:30,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:30,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 165 states and 187 transitions. [2023-11-23 20:19:30,538 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 187 transitions. [2023-11-23 20:19:30,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:19:30,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:30,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:30,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:19:30,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 177 states and 204 transitions. [2023-11-23 20:19:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 204 transitions. [2023-11-23 20:19:31,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:19:31,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:31,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:31,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:19:31,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:31,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:31,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 180 states and 208 transitions. [2023-11-23 20:19:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 208 transitions. [2023-11-23 20:19:31,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:19:31,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:31,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:31,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:19:31,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:31,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:32,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 181 states and 209 transitions. [2023-11-23 20:19:32,232 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 209 transitions. [2023-11-23 20:19:32,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:19:32,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:32,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:32,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:19:32,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:32,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:32,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:32,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 190 states and 223 transitions. [2023-11-23 20:19:32,829 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 223 transitions. [2023-11-23 20:19:32,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:19:32,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:32,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:32,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:19:32,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:32,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:32,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 191 states and 224 transitions. [2023-11-23 20:19:32,921 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 224 transitions. [2023-11-23 20:19:32,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:19:32,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:32,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:32,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:19:32,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:34,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:34,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 209 states and 249 transitions. [2023-11-23 20:19:34,349 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 249 transitions. [2023-11-23 20:19:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:19:34,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:34,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:34,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:19:34,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:36,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:36,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 228 states and 275 transitions. [2023-11-23 20:19:36,031 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 275 transitions. [2023-11-23 20:19:36,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:19:36,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:36,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:36,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:19:36,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:36,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:36,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:36,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 231 states and 279 transitions. [2023-11-23 20:19:36,458 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 279 transitions. [2023-11-23 20:19:36,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:19:36,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:36,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:36,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:19:36,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:36,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:37,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:37,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 232 states and 280 transitions. [2023-11-23 20:19:37,053 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 280 transitions. [2023-11-23 20:19:37,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:19:37,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:37,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:37,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:19:37,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:37,130 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:19:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:37,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 231 states and 279 transitions. [2023-11-23 20:19:37,199 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 279 transitions. [2023-11-23 20:19:37,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:19:37,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:37,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:37,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:19:37,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:37,280 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:19:37,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 230 states and 278 transitions. [2023-11-23 20:19:37,430 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 278 transitions. [2023-11-23 20:19:37,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:19:37,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:37,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:37,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:19:37,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:37,465 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:19:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:37,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 229 states and 277 transitions. [2023-11-23 20:19:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 277 transitions. [2023-11-23 20:19:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:19:37,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:37,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:37,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:19:37,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:37,523 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:19:37,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:37,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 228 states and 276 transitions. [2023-11-23 20:19:37,548 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 276 transitions. [2023-11-23 20:19:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:19:37,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:37,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:37,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:19:37,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:19:40,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:40,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 254 states and 313 transitions. [2023-11-23 20:19:40,780 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 313 transitions. [2023-11-23 20:19:40,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:19:40,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:40,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:40,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:19:40,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:41,071 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:19:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:44,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 280 states and 348 transitions. [2023-11-23 20:19:44,380 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 348 transitions. [2023-11-23 20:19:44,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:19:44,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:44,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:44,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:19:44,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:19:47,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:47,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 295 states and 372 transitions. [2023-11-23 20:19:47,719 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 372 transitions. [2023-11-23 20:19:47,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:19:47,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:47,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:47,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:19:47,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:19:51,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:51,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 310 states and 395 transitions. [2023-11-23 20:19:51,320 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 395 transitions. [2023-11-23 20:19:51,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:19:51,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:51,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:51,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:19:51,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:51,520 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:19:54,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 323 states and 416 transitions. [2023-11-23 20:19:54,238 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 416 transitions. [2023-11-23 20:19:54,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:19:54,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:54,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:54,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:19:54,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:54,371 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:19:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 327 states and 422 transitions. [2023-11-23 20:19:55,472 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 422 transitions. [2023-11-23 20:19:55,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:19:55,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:55,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:55,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:19:55,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:55,639 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:19:56,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:56,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 331 states and 428 transitions. [2023-11-23 20:19:56,487 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 428 transitions. [2023-11-23 20:19:56,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:19:56,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:56,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:56,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:19:56,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:56,680 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:20:00,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 345 states and 450 transitions. [2023-11-23 20:20:00,542 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 450 transitions. [2023-11-23 20:20:00,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:20:00,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:00,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:00,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:00,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:00,790 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:20:05,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:05,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 360 states and 476 transitions. [2023-11-23 20:20:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 476 transitions. [2023-11-23 20:20:05,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:20:05,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:05,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:05,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:05,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:06,099 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:20:10,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:10,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 375 states and 501 transitions. [2023-11-23 20:20:10,361 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 501 transitions. [2023-11-23 20:20:10,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:20:10,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:10,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:10,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:10,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:20:13,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:13,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 381 states and 512 transitions. [2023-11-23 20:20:13,393 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 512 transitions. [2023-11-23 20:20:13,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:20:13,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:13,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:13,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:13,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:13,622 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:20:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:15,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 387 states and 523 transitions. [2023-11-23 20:20:15,580 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 523 transitions. [2023-11-23 20:20:15,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:20:15,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:15,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:15,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:15,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:15,776 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:20:17,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:17,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 393 states and 535 transitions. [2023-11-23 20:20:17,566 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 535 transitions. [2023-11-23 20:20:17,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:20:17,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:17,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:17,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:17,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:17,874 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.