./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8868451-69cd-465d-875b-0c9fac6d2a36/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8868451-69cd-465d-875b-0c9fac6d2a36/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_c8868451-69cd-465d-875b-0c9fac6d2a36/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8868451-69cd-465d-875b-0c9fac6d2a36/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8868451-69cd-465d-875b-0c9fac6d2a36/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_c8868451-69cd-465d-875b-0c9fac6d2a36/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 f5161832faa85efa7698287d22f9a23de4fa8b958c1b2d2c225d3d8c999a24ce --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:14:00,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:14:00,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8868451-69cd-465d-875b-0c9fac6d2a36/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:14:00,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:14:00,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:14:00,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:14:00,441 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:14:00,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:14:00,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:14:00,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:14:00,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:14:00,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:14:00,445 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:14:00,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:14:00,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:14:00,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:14:00,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:14:00,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:14:00,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:14:00,449 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:14:00,449 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:14:00,450 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:14:00,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:14:00,451 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:14:00,451 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:14:00,452 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:14:00,452 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:14:00,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:14:00,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:14:00,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:14:00,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:14:00,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:14:00,456 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:14:00,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:14:00,457 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:14:00,457 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_c8868451-69cd-465d-875b-0c9fac6d2a36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8868451-69cd-465d-875b-0c9fac6d2a36/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5161832faa85efa7698287d22f9a23de4fa8b958c1b2d2c225d3d8c999a24ce [2023-11-23 20:14:00,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:14:00,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:14:00,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:14:00,767 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:14:00,768 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:14:00,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8868451-69cd-465d-875b-0c9fac6d2a36/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c [2023-11-23 20:14:04,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:14:04,306 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:14:04,307 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8868451-69cd-465d-875b-0c9fac6d2a36/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c [2023-11-23 20:14:04,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8868451-69cd-465d-875b-0c9fac6d2a36/bin/ukojak-verify-1t5iHCbJaC/data/cb91e6a70/049f64b6973944c1849193af6258962a/FLAGd5455ab1e [2023-11-23 20:14:04,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8868451-69cd-465d-875b-0c9fac6d2a36/bin/ukojak-verify-1t5iHCbJaC/data/cb91e6a70/049f64b6973944c1849193af6258962a [2023-11-23 20:14:04,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:14:04,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:14:04,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:14:04,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:14:04,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:14:04,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:14:04" (1/1) ... [2023-11-23 20:14:04,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd8c479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:04, skipping insertion in model container [2023-11-23 20:14:04,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:14:04" (1/1) ... [2023-11-23 20:14:04,376 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:14:04,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:14:04,703 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:14:04,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:14:04,786 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:14:04,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:04 WrapperNode [2023-11-23 20:14:04,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:14:04,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:14:04,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:14:04,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:14:04,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:04" (1/1) ... [2023-11-23 20:14:04,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:04" (1/1) ... [2023-11-23 20:14:04,863 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2023-11-23 20:14:04,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:14:04,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:14:04,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:14:04,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:14:04,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:04" (1/1) ... [2023-11-23 20:14:04,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:04" (1/1) ... [2023-11-23 20:14:04,898 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:04" (1/1) ... [2023-11-23 20:14:04,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:04" (1/1) ... [2023-11-23 20:14:04,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:04" (1/1) ... [2023-11-23 20:14:04,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:04" (1/1) ... [2023-11-23 20:14:04,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:04" (1/1) ... [2023-11-23 20:14:04,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:04" (1/1) ... [2023-11-23 20:14:04,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:14:04,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:14:04,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:14:04,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:14:04,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:04" (1/1) ... [2023-11-23 20:14:04,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:14:04,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8868451-69cd-465d-875b-0c9fac6d2a36/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:14:04,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8868451-69cd-465d-875b-0c9fac6d2a36/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:14:04,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8868451-69cd-465d-875b-0c9fac6d2a36/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:14:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:14:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:14:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:14:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:14:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:14:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:14:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:14:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:14:05,102 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:14:05,105 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:14:05,619 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:14:05,667 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:14:05,667 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:14:05,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:14:05 BoogieIcfgContainer [2023-11-23 20:14:05,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:14:05,670 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:14:05,670 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:14:05,683 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:14:05,683 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:14:05" (1/1) ... [2023-11-23 20:14:05,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:14:05,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 137 states and 147 transitions. [2023-11-23 20:14:05,768 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 147 transitions. [2023-11-23 20:14:05,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:14:05,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:05,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:06,178 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 20:14:06,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:06,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 139 states and 150 transitions. [2023-11-23 20:14:06,249 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 150 transitions. [2023-11-23 20:14:06,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:14:06,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:06,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:06,415 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 20:14:06,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:06,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 140 states and 151 transitions. [2023-11-23 20:14:06,481 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 151 transitions. [2023-11-23 20:14:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:14:06,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:06,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:06,576 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 20:14:06,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:06,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 141 states and 152 transitions. [2023-11-23 20:14:06,601 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 152 transitions. [2023-11-23 20:14:06,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:14:06,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:06,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:06,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:14:06,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:06,737 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 20:14:06,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:06,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 146 states and 160 transitions. [2023-11-23 20:14:06,960 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 160 transitions. [2023-11-23 20:14:06,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:14:06,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:06,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:07,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:14:07,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:07,099 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 20:14:07,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:07,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 147 states and 161 transitions. [2023-11-23 20:14:07,138 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 161 transitions. [2023-11-23 20:14:07,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:14:07,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:07,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:07,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:07,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:07,233 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 20:14:07,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:07,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 154 states and 172 transitions. [2023-11-23 20:14:07,542 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 172 transitions. [2023-11-23 20:14:07,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:14:07,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:07,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:07,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:07,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:07,604 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 20:14:07,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:07,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 155 states and 173 transitions. [2023-11-23 20:14:07,625 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 173 transitions. [2023-11-23 20:14:07,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:14:07,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:07,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:07,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:14:07,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:07,769 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 20:14:07,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:07,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 158 states and 176 transitions. [2023-11-23 20:14:07,851 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 176 transitions. [2023-11-23 20:14:07,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:14:07,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:07,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:07,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:14:07,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:08,026 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 20:14:08,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:08,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 159 states and 177 transitions. [2023-11-23 20:14:08,061 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 177 transitions. [2023-11-23 20:14:08,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:14:08,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:08,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:08,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:08,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:08,163 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 20:14:08,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:08,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 171 states and 194 transitions. [2023-11-23 20:14:08,591 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 194 transitions. [2023-11-23 20:14:08,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:14:08,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:08,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:08,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:08,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:08,659 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 20:14:08,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:08,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 172 states and 195 transitions. [2023-11-23 20:14:08,680 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 195 transitions. [2023-11-23 20:14:08,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:14:08,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:08,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:08,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:08,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:08,855 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 20:14:09,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:09,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 186 states and 215 transitions. [2023-11-23 20:14:09,841 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 215 transitions. [2023-11-23 20:14:09,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:14:09,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:09,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:09,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:09,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:10,078 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 20:14:11,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:11,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 201 states and 237 transitions. [2023-11-23 20:14:11,646 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 237 transitions. [2023-11-23 20:14:11,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:14:11,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:11,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:11,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:11,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:11,802 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 20:14:12,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:12,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 204 states and 242 transitions. [2023-11-23 20:14:12,247 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 242 transitions. [2023-11-23 20:14:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:14:12,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:12,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:12,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:12,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:12,529 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 20:14:13,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:13,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 205 states and 243 transitions. [2023-11-23 20:14:13,295 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 243 transitions. [2023-11-23 20:14:13,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:14:13,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:13,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:13,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:13,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:13,364 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 20:14:14,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:14,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 214 states and 258 transitions. [2023-11-23 20:14:14,815 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 258 transitions. [2023-11-23 20:14:14,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:14:14,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:14,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:14,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:14,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:14,905 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 20:14:14,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:14,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 215 states and 259 transitions. [2023-11-23 20:14:14,943 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 259 transitions. [2023-11-23 20:14:14,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:14:14,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:14,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:14,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:14,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:15,216 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 20:14:18,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:18,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 236 states and 289 transitions. [2023-11-23 20:14:18,318 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 289 transitions. [2023-11-23 20:14:18,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:14:18,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:18,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:18,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:18,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:18,606 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 20:14:21,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:21,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 258 states and 321 transitions. [2023-11-23 20:14:21,736 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 321 transitions. [2023-11-23 20:14:21,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:14:21,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:21,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:21,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:21,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:21,983 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 20:14:22,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:22,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 261 states and 326 transitions. [2023-11-23 20:14:22,568 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 326 transitions. [2023-11-23 20:14:22,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:14:22,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:22,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:22,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:22,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:22,793 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 20:14:23,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:23,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 262 states and 327 transitions. [2023-11-23 20:14:23,422 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 327 transitions. [2023-11-23 20:14:23,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:14:23,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:23,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:23,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:23,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:23,536 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 20:14:23,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:23,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 263 states and 329 transitions. [2023-11-23 20:14:23,630 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 329 transitions. [2023-11-23 20:14:23,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:14:23,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:23,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:23,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:23,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:23,750 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 20:14:23,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:23,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 265 states and 332 transitions. [2023-11-23 20:14:23,989 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 332 transitions. [2023-11-23 20:14:23,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:14:23,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:23,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:24,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:24,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:24,029 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 20:14:24,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:24,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 264 states and 331 transitions. [2023-11-23 20:14:24,052 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 331 transitions. [2023-11-23 20:14:24,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:14:24,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:24,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:24,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:24,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:24,092 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 20:14:24,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 263 states and 330 transitions. [2023-11-23 20:14:24,121 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 330 transitions. [2023-11-23 20:14:24,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:14:24,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:24,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:24,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:14:24,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:24,469 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 20:14:29,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:29,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 292 states and 373 transitions. [2023-11-23 20:14:29,324 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 373 transitions. [2023-11-23 20:14:29,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:14:29,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:29,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:29,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:14:29,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:29,689 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 20:14:35,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:35,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 321 states and 414 transitions. [2023-11-23 20:14:35,062 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 414 transitions. [2023-11-23 20:14:35,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:14:35,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:35,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:35,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:35,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:35,285 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 20:14:39,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:39,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 336 states and 439 transitions. [2023-11-23 20:14:39,576 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 439 transitions. [2023-11-23 20:14:39,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:14:39,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:39,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:39,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:39,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:39,808 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 20:14:44,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:44,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 351 states and 464 transitions. [2023-11-23 20:14:44,525 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 464 transitions. [2023-11-23 20:14:44,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:14:44,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:44,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:44,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:44,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:44,779 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 20:14:49,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:49,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 364 states and 489 transitions. [2023-11-23 20:14:49,422 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 489 transitions. [2023-11-23 20:14:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:14:49,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:49,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:49,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:49,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:49,570 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 20:14:50,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:50,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 368 states and 495 transitions. [2023-11-23 20:14:50,886 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 495 transitions. [2023-11-23 20:14:50,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:14:50,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:50,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:50,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:50,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:51,010 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 20:14:52,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:52,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 372 states and 501 transitions. [2023-11-23 20:14:52,047 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 501 transitions. [2023-11-23 20:14:52,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:14:52,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:52,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:52,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:14:52,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:52,268 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.