./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/egcd-ll.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_8f9ab4d8-ced0-43dc-a95f-7ae4404bac26/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9ab4d8-ced0-43dc-a95f-7ae4404bac26/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_8f9ab4d8-ced0-43dc-a95f-7ae4404bac26/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9ab4d8-ced0-43dc-a95f-7ae4404bac26/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9ab4d8-ced0-43dc-a95f-7ae4404bac26/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_8f9ab4d8-ced0-43dc-a95f-7ae4404bac26/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 5cf588c7d7521936f2238a5a4b8ed55e91050a69daa6016b5b2b4a486ef1b9f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:11,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:11,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9ab4d8-ced0-43dc-a95f-7ae4404bac26/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:17:11,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:17:11,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:17:11,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:11,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:11,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:11,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:11,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:11,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:11,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:11,502 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:17:11,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:17:11,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:17:11,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:11,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:11,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:11,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:11,508 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:17:11,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:17:11,509 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:17:11,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:11,510 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:11,511 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:11,511 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:11,512 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:11,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:11,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:11,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:11,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:11,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:11,515 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:17:11,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:17:11,516 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:11,516 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_8f9ab4d8-ced0-43dc-a95f-7ae4404bac26/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9ab4d8-ced0-43dc-a95f-7ae4404bac26/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cf588c7d7521936f2238a5a4b8ed55e91050a69daa6016b5b2b4a486ef1b9f8 [2023-11-23 20:17:11,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:11,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:11,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:11,892 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:11,893 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:11,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9ab4d8-ced0-43dc-a95f-7ae4404bac26/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/egcd-ll.c [2023-11-23 20:17:15,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:15,229 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:15,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9ab4d8-ced0-43dc-a95f-7ae4404bac26/sv-benchmarks/c/nla-digbench/egcd-ll.c [2023-11-23 20:17:15,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9ab4d8-ced0-43dc-a95f-7ae4404bac26/bin/ukojak-verify-1t5iHCbJaC/data/9eb1d9d6e/54e23a09da634c5aa6840943e4e634eb/FLAGdebfb87f5 [2023-11-23 20:17:15,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9ab4d8-ced0-43dc-a95f-7ae4404bac26/bin/ukojak-verify-1t5iHCbJaC/data/9eb1d9d6e/54e23a09da634c5aa6840943e4e634eb [2023-11-23 20:17:15,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:17:15,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:17:15,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:15,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:17:15,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:17:15,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72904e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15, skipping insertion in model container [2023-11-23 20:17:15,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,292 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:17:15,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:15,482 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:17:15,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:15,523 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:17:15,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15 WrapperNode [2023-11-23 20:17:15,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:15,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:15,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:17:15,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:17:15,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,569 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 117 [2023-11-23 20:17:15,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:15,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:17:15,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:17:15,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:17:15,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:17:15,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:17:15,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:17:15,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:17:15,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:15,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9ab4d8-ced0-43dc-a95f-7ae4404bac26/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:17:15,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9ab4d8-ced0-43dc-a95f-7ae4404bac26/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:17:15,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9ab4d8-ced0-43dc-a95f-7ae4404bac26/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:17:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:17:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:17:15,695 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:17:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:17:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:17:15,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:17:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:17:15,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:17:15,788 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:17:15,791 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:16,273 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:16,367 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:17:16,368 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:17:16,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:16 BoogieIcfgContainer [2023-11-23 20:17:16,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:17:16,372 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:17:16,372 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:17:16,402 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:17:16,402 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:16" (1/1) ... [2023-11-23 20:17:16,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:17:16,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:16,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 132 states and 141 transitions. [2023-11-23 20:17:16,500 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2023-11-23 20:17:16,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:17:16,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:16,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:16,661 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 20:17:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:16,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 132 states and 140 transitions. [2023-11-23 20:17:16,689 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 140 transitions. [2023-11-23 20:17:16,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:17:16,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:16,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:16,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:16,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:16,781 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 20:17:16,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:16,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 134 states and 144 transitions. [2023-11-23 20:17:16,814 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 144 transitions. [2023-11-23 20:17:16,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:17:16,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:16,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:16,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:16,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:16,872 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 20:17:16,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:16,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 135 states and 145 transitions. [2023-11-23 20:17:16,893 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 145 transitions. [2023-11-23 20:17:16,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:17:16,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:16,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:16,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:16,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:16,941 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 20:17:17,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:17,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 139 states and 152 transitions. [2023-11-23 20:17:17,033 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-23 20:17:17,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:17:17,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:17,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:17,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:17,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:17,090 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 20:17:17,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:17,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 140 states and 153 transitions. [2023-11-23 20:17:17,107 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2023-11-23 20:17:17,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:17:17,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:17,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:17,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:17:17,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:17,230 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 20:17:17,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:17,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 143 states and 156 transitions. [2023-11-23 20:17:17,304 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2023-11-23 20:17:17,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:17:17,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:17,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:17,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:17:17,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:17,407 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 20:17:17,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:17,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 144 states and 157 transitions. [2023-11-23 20:17:17,429 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 157 transitions. [2023-11-23 20:17:17,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:17:17,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:17,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:17,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:17,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:17,537 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 20:17:17,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:17,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 153 states and 170 transitions. [2023-11-23 20:17:17,688 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 170 transitions. [2023-11-23 20:17:17,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:17:17,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:17,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:17,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:17,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:17,780 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 20:17:17,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:17,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 154 states and 171 transitions. [2023-11-23 20:17:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 171 transitions. [2023-11-23 20:17:17,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:17:17,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:17,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:17,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:17:17,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:18,041 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 20:17:18,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:18,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 165 states and 187 transitions. [2023-11-23 20:17:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 187 transitions. [2023-11-23 20:17:18,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:17:18,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:18,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:18,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:17:18,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:18,569 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 20:17:19,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:19,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 177 states and 205 transitions. [2023-11-23 20:17:19,088 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 205 transitions. [2023-11-23 20:17:19,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:17:19,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:19,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:19,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:17:19,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:19,196 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 20:17:19,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:19,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 180 states and 210 transitions. [2023-11-23 20:17:19,547 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 210 transitions. [2023-11-23 20:17:19,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:17:19,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:19,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:19,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:17:19,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:19,735 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 20:17:20,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:20,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 181 states and 211 transitions. [2023-11-23 20:17:20,282 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 211 transitions. [2023-11-23 20:17:20,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:17:20,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:20,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:20,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:20,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:20,334 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 20:17:21,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:21,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 190 states and 226 transitions. [2023-11-23 20:17:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 226 transitions. [2023-11-23 20:17:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:17:21,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:21,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:21,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:21,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:21,098 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 20:17:21,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:21,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 191 states and 227 transitions. [2023-11-23 20:17:21,136 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 227 transitions. [2023-11-23 20:17:21,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:17:21,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:21,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:21,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:17:21,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:21,337 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 20:17:22,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:22,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 209 states and 253 transitions. [2023-11-23 20:17:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 253 transitions. [2023-11-23 20:17:22,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:17:22,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:22,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:22,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:17:22,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:23,175 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 20:17:24,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:24,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 228 states and 281 transitions. [2023-11-23 20:17:24,999 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 281 transitions. [2023-11-23 20:17:25,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:17:25,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:25,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:25,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:17:25,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:25,193 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 20:17:25,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:25,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 231 states and 286 transitions. [2023-11-23 20:17:25,545 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 286 transitions. [2023-11-23 20:17:25,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:17:25,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:25,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:25,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:17:25,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:25,854 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 20:17:26,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:26,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 232 states and 287 transitions. [2023-11-23 20:17:26,403 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 287 transitions. [2023-11-23 20:17:26,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:17:26,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:26,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:26,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:17:26,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:26,493 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 20:17:26,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 231 states and 286 transitions. [2023-11-23 20:17:26,567 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 286 transitions. [2023-11-23 20:17:26,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:17:26,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:26,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:26,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:17:26,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:26,663 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 20:17:26,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:26,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 230 states and 285 transitions. [2023-11-23 20:17:26,827 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 285 transitions. [2023-11-23 20:17:26,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:17:26,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:26,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:26,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:17:26,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:26,879 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 20:17:26,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:26,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 229 states and 284 transitions. [2023-11-23 20:17:26,903 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 284 transitions. [2023-11-23 20:17:26,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:17:26,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:26,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:26,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:17:26,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:26,934 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 20:17:26,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:26,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 228 states and 283 transitions. [2023-11-23 20:17:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 283 transitions. [2023-11-23 20:17:26,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:17:26,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:26,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:26,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:26,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:27,273 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 20:17:30,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:30,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 254 states and 322 transitions. [2023-11-23 20:17:30,112 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 322 transitions. [2023-11-23 20:17:30,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:17:30,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:30,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:30,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:30,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:30,452 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 20:17:33,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:33,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 280 states and 359 transitions. [2023-11-23 20:17:33,606 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 359 transitions. [2023-11-23 20:17:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:17:33,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:33,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:33,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:33,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:33,825 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 20:17:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:36,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 295 states and 384 transitions. [2023-11-23 20:17:36,832 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 384 transitions. [2023-11-23 20:17:36,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:17:36,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:36,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:36,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:36,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:37,055 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 20:17:40,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 310 states and 409 transitions. [2023-11-23 20:17:40,458 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 409 transitions. [2023-11-23 20:17:40,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:17:40,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:40,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:40,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:17:40,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:40,713 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 20:17:43,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:43,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 323 states and 431 transitions. [2023-11-23 20:17:43,496 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 431 transitions. [2023-11-23 20:17:43,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:17:43,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:43,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:43,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:43,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:43,619 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 20:17:44,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:44,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 327 states and 437 transitions. [2023-11-23 20:17:44,610 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 437 transitions. [2023-11-23 20:17:44,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:17:44,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:44,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:44,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:44,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:44,757 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 20:17:45,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:45,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 331 states and 443 transitions. [2023-11-23 20:17:45,576 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 443 transitions. [2023-11-23 20:17:45,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:17:45,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:45,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:45,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:17:45,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:45,785 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 20:17:49,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:49,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 345 states and 466 transitions. [2023-11-23 20:17:49,678 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 466 transitions. [2023-11-23 20:17:49,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:17:49,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:49,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:49,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:49,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:49,905 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 20:17:54,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:54,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 360 states and 493 transitions. [2023-11-23 20:17:54,530 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 493 transitions. [2023-11-23 20:17:54,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:17:54,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:54,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:54,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:54,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:54,831 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 20:17:59,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 375 states and 520 transitions. [2023-11-23 20:17:59,887 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 520 transitions. [2023-11-23 20:17:59,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:17:59,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:59,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:59,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:17:59,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:00,158 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 20:18:03,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:03,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 381 states and 531 transitions. [2023-11-23 20:18:03,189 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 531 transitions. [2023-11-23 20:18:03,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:18:03,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:03,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:03,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:18:03,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:03,328 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 20:18:05,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:05,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 387 states and 542 transitions. [2023-11-23 20:18:05,394 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 542 transitions. [2023-11-23 20:18:05,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:18:05,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:05,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:05,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:18:05,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:05,530 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 20:18:07,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:07,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 393 states and 554 transitions. [2023-11-23 20:18:07,475 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 554 transitions. [2023-11-23 20:18:07,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:18:07,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:07,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:07,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:18:07,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:07,791 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.