./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_be670f38-79a7-49e9-b683-a70708f98147/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be670f38-79a7-49e9-b683-a70708f98147/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be670f38-79a7-49e9-b683-a70708f98147/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be670f38-79a7-49e9-b683-a70708f98147/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be670f38-79a7-49e9-b683-a70708f98147/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be670f38-79a7-49e9-b683-a70708f98147/bin/ukojak-verify-Qdu7aM0XO9 --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 7f0424dbafec10d34a77570c428224cb0ba56b8b9f5906b463f2dcbc550354ee --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:44:10,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:44:10,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be670f38-79a7-49e9-b683-a70708f98147/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:44:10,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:44:10,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:44:10,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:44:10,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:44:10,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:44:10,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:44:10,536 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:44:10,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:44:10,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:44:10,538 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:44:10,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:44:10,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:44:10,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:44:10,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:44:10,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:44:10,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:44:10,541 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:44:10,542 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:44:10,544 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:44:10,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:44:10,545 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:44:10,545 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:44:10,545 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:44:10,546 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:44:10,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:44:10,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:44:10,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:44:10,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:44:10,548 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:44:10,548 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:44:10,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:44:10,549 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:44:10,549 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_be670f38-79a7-49e9-b683-a70708f98147/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be670f38-79a7-49e9-b683-a70708f98147/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f0424dbafec10d34a77570c428224cb0ba56b8b9f5906b463f2dcbc550354ee [2023-12-02 21:44:10,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:44:10,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:44:10,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:44:10,798 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:44:10,799 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:44:10,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be670f38-79a7-49e9-b683-a70708f98147/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound2.c [2023-12-02 21:44:13,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:44:13,704 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:44:13,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be670f38-79a7-49e9-b683-a70708f98147/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound2.c [2023-12-02 21:44:13,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be670f38-79a7-49e9-b683-a70708f98147/bin/ukojak-verify-Qdu7aM0XO9/data/0fc3cc8c2/b1b3d39410a74f849d3317917a04313b/FLAG49b726b73 [2023-12-02 21:44:13,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be670f38-79a7-49e9-b683-a70708f98147/bin/ukojak-verify-Qdu7aM0XO9/data/0fc3cc8c2/b1b3d39410a74f849d3317917a04313b [2023-12-02 21:44:13,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:44:13,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:44:13,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:44:13,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:44:13,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:44:13,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:44:13" (1/1) ... [2023-12-02 21:44:13,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147eb024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:13, skipping insertion in model container [2023-12-02 21:44:13,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:44:13" (1/1) ... [2023-12-02 21:44:13,764 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:44:13,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:44:13,950 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:44:13,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:44:13,983 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:44:13,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:13 WrapperNode [2023-12-02 21:44:13,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:44:13,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:44:13,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:44:13,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:44:13,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:13" (1/1) ... [2023-12-02 21:44:14,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:13" (1/1) ... [2023-12-02 21:44:14,027 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2023-12-02 21:44:14,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:44:14,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:44:14,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:44:14,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:44:14,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:13" (1/1) ... [2023-12-02 21:44:14,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:13" (1/1) ... [2023-12-02 21:44:14,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:13" (1/1) ... [2023-12-02 21:44:14,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:13" (1/1) ... [2023-12-02 21:44:14,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:13" (1/1) ... [2023-12-02 21:44:14,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:13" (1/1) ... [2023-12-02 21:44:14,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:13" (1/1) ... [2023-12-02 21:44:14,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:13" (1/1) ... [2023-12-02 21:44:14,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:44:14,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:44:14,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:44:14,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:44:14,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:13" (1/1) ... [2023-12-02 21:44:14,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:44:14,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be670f38-79a7-49e9-b683-a70708f98147/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:44:14,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be670f38-79a7-49e9-b683-a70708f98147/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:44:14,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be670f38-79a7-49e9-b683-a70708f98147/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:44:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:44:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:44:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:44:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:44:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:44:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:44:14,193 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:44:14,195 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:44:14,530 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:44:14,571 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:44:14,571 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:44:14,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:44:14 BoogieIcfgContainer [2023-12-02 21:44:14,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:44:14,574 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:44:14,574 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:44:14,585 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:44:14,585 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:44:14" (1/1) ... [2023-12-02 21:44:14,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:44:14,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:14,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2023-12-02 21:44:14,642 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2023-12-02 21:44:14,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:44:14,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:14,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:14,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:44:14,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:14,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:14,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2023-12-02 21:44:14,785 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2023-12-02 21:44:14,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:44:14,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:14,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:14,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:14,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 104 states and 114 transitions. [2023-12-02 21:44:14,888 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2023-12-02 21:44:14,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:44:14,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:14,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:14,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:15,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:15,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 107 states and 121 transitions. [2023-12-02 21:44:15,062 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2023-12-02 21:44:15,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:44:15,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:15,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:15,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:44:15,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:15,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:15,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 108 states and 122 transitions. [2023-12-02 21:44:15,134 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2023-12-02 21:44:15,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:44:15,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:15,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:15,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:44:15,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:15,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:15,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2023-12-02 21:44:15,579 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2023-12-02 21:44:15,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:44:15,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:15,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:15,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:44:15,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:15,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:16,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:16,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 119 states and 146 transitions. [2023-12-02 21:44:16,212 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 146 transitions. [2023-12-02 21:44:16,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:44:16,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:16,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:16,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:44:16,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:17,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:17,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 126 states and 160 transitions. [2023-12-02 21:44:17,131 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 160 transitions. [2023-12-02 21:44:17,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:44:17,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:17,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:17,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:44:17,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:17,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:17,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 127 states and 161 transitions. [2023-12-02 21:44:17,425 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 161 transitions. [2023-12-02 21:44:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:44:17,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:17,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:17,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:44:17,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:17,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:18,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:18,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 136 states and 178 transitions. [2023-12-02 21:44:18,884 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 178 transitions. [2023-12-02 21:44:18,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:44:18,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:18,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:18,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:44:18,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:19,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:21,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:21,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 146 states and 197 transitions. [2023-12-02 21:44:21,665 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 197 transitions. [2023-12-02 21:44:21,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:44:21,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:21,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:21,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:44:21,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:21,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:24,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:24,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 157 states and 218 transitions. [2023-12-02 21:44:24,222 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 218 transitions. [2023-12-02 21:44:24,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:44:24,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:24,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:24,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:44:24,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:27,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:27,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 169 states and 241 transitions. [2023-12-02 21:44:27,617 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 241 transitions. [2023-12-02 21:44:27,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:44:27,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:27,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:27,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:44:27,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:27,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:28,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:28,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 172 states and 247 transitions. [2023-12-02 21:44:28,394 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 247 transitions. [2023-12-02 21:44:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:44:28,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:28,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:28,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:44:28,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:28,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:29,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 174 states and 249 transitions. [2023-12-02 21:44:29,582 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-12-02 21:44:29,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:44:29,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:29,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:29,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:29,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:29,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:34,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:34,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 185 states and 270 transitions. [2023-12-02 21:44:34,506 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 270 transitions. [2023-12-02 21:44:34,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:44:34,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:34,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:34,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:44:34,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:34,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:41,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:41,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 196 states and 292 transitions. [2023-12-02 21:44:41,247 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 292 transitions. [2023-12-02 21:44:41,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:44:41,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:41,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:41,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:44:41,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:41,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:41,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:41,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 195 states and 291 transitions. [2023-12-02 21:44:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 291 transitions. [2023-12-02 21:44:41,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:44:41,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:41,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:41,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:44:41,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:41,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:47,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:47,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 207 states and 315 transitions. [2023-12-02 21:44:47,203 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 315 transitions. [2023-12-02 21:44:47,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:44:47,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:47,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:47,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:44:47,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:47,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:48,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:48,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 210 states and 319 transitions. [2023-12-02 21:44:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 319 transitions. [2023-12-02 21:44:48,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:44:48,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:48,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:48,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:44:48,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:48,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:48,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:48,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 213 states and 323 transitions. [2023-12-02 21:44:48,446 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 323 transitions. [2023-12-02 21:44:48,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:44:48,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:48,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:48,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:44:48,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:48,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:48,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:48,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 212 states and 322 transitions. [2023-12-02 21:44:48,801 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 322 transitions. [2023-12-02 21:44:48,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:44:48,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:48,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:48,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:44:48,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:49,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:45:08,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:08,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 222 states and 339 transitions. [2023-12-02 21:45:08,081 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 339 transitions. [2023-12-02 21:45:08,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:45:08,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:08,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:08,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:45:08,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:08,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:45:16,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:16,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 235 states and 364 transitions. [2023-12-02 21:45:16,034 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 364 transitions. [2023-12-02 21:45:16,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:45:16,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:16,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:16,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:45:16,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:45:21,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:21,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 246 states and 387 transitions. [2023-12-02 21:45:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 387 transitions. [2023-12-02 21:45:21,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:45:21,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:21,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:21,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:45:21,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:21,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:45:21,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:21,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 249 states and 391 transitions. [2023-12-02 21:45:21,568 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 391 transitions. [2023-12-02 21:45:21,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:45:21,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:21,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:21,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:45:21,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:21,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:45:23,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:23,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 253 states and 400 transitions. [2023-12-02 21:45:23,821 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 400 transitions. [2023-12-02 21:45:23,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:45:23,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:23,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:23,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:45:23,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:24,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:45:36,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:36,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 258 states and 406 transitions. [2023-12-02 21:45:36,198 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 406 transitions. [2023-12-02 21:45:36,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:45:36,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:36,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:36,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:45:36,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:36,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:45:39,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:39,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 263 states and 415 transitions. [2023-12-02 21:45:39,134 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 415 transitions. [2023-12-02 21:45:39,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:45:39,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:39,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:39,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:45:39,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:46:00,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:00,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 283 states and 450 transitions. [2023-12-02 21:46:00,607 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 450 transitions. [2023-12-02 21:46:00,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:46:00,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:00,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:00,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:46:00,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:46:01,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:01,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 287 states and 457 transitions. [2023-12-02 21:46:01,221 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 457 transitions. [2023-12-02 21:46:01,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:46:01,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:01,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:01,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:46:01,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:05,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:46:19,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:19,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 304 states and 483 transitions. [2023-12-02 21:46:19,873 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 483 transitions. [2023-12-02 21:46:19,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:46:19,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:19,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:19,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:46:19,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:20,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:46:32,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:32,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 310 states and 498 transitions. [2023-12-02 21:46:32,266 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 498 transitions. [2023-12-02 21:46:32,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:46:32,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:32,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:32,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:46:32,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:33,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:46:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:47,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 318 states and 514 transitions. [2023-12-02 21:46:47,468 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 514 transitions. [2023-12-02 21:46:47,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:46:47,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:47,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:47,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:46:47,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:47,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:46:48,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:48,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 322 states and 520 transitions. [2023-12-02 21:46:48,036 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 520 transitions. [2023-12-02 21:46:48,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:46:48,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:48,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:48,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:46:48,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:55,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:47:59,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:59,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 326 states and 526 transitions. [2023-12-02 21:47:59,179 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 526 transitions. [2023-12-02 21:47:59,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:47:59,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:59,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:59,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:47:59,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:00,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:48:15,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:15,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 335 states and 549 transitions. [2023-12-02 21:48:15,262 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 549 transitions. [2023-12-02 21:48:15,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:48:15,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:15,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:15,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:48:15,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:16,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:48:19,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:19,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 339 states and 554 transitions. [2023-12-02 21:48:19,654 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 554 transitions. [2023-12-02 21:48:19,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:48:19,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:19,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:19,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:48:19,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:21,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:49:36,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:36,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 345 states and 565 transitions. [2023-12-02 21:49:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 565 transitions. [2023-12-02 21:49:36,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:49:36,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:36,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:36,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:49:36,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:36,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:49:51,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:51,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 366 states and 625 transitions. [2023-12-02 21:49:51,672 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 625 transitions. [2023-12-02 21:49:51,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:49:51,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:51,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:51,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:49:51,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:49:58,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:58,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 370 states and 630 transitions. [2023-12-02 21:49:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 630 transitions. [2023-12-02 21:49:58,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:49:58,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:58,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:58,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:49:58,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:59,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:12,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:12,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 377 states and 654 transitions. [2023-12-02 21:51:12,520 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 654 transitions. [2023-12-02 21:51:12,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:51:12,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:12,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:12,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:51:12,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:14,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:35,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:35,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 399 states and 722 transitions. [2023-12-02 21:51:35,307 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 722 transitions. [2023-12-02 21:51:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:51:35,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:35,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:35,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:51:35,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:35,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:52,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:52,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 406 states and 733 transitions. [2023-12-02 21:51:52,710 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 733 transitions. [2023-12-02 21:51:52,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:51:52,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:52,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:52,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:51:52,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:53,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:55,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:55,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 407 states and 735 transitions. [2023-12-02 21:51:55,629 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 735 transitions. [2023-12-02 21:51:55,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:51:55,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:55,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:55,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:51:55,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:56,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:52:23,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:23,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 427 states and 792 transitions. [2023-12-02 21:52:23,311 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 792 transitions. [2023-12-02 21:52:23,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:52:23,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:23,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:23,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:52:23,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:23,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:52:24,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:24,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 429 states and 795 transitions. [2023-12-02 21:52:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 795 transitions. [2023-12-02 21:52:24,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:52:24,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:24,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:24,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:52:24,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:25,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:53:43,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:43,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 438 states and 826 transitions. [2023-12-02 21:53:43,161 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 826 transitions. [2023-12-02 21:53:43,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:53:43,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:43,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:43,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:53:43,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:43,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:54:27,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:27,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 449 states and 860 transitions. [2023-12-02 21:54:27,957 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 860 transitions. [2023-12-02 21:54:27,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:54:27,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:27,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:27,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:54:27,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:36,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:31,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:31,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 460 states and 907 transitions. [2023-12-02 21:55:31,640 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 907 transitions. [2023-12-02 21:55:31,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:55:31,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:31,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:31,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:55:31,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:46,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:46,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 469 states and 918 transitions. [2023-12-02 21:55:46,981 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 918 transitions. [2023-12-02 21:55:46,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:55:46,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:46,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:47,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:55:47,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:47,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:12,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:12,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 476 states and 931 transitions. [2023-12-02 21:57:12,170 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 931 transitions. [2023-12-02 21:57:12,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:57:12,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:12,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:12,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:12,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:12,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:49,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:49,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 486 states and 964 transitions. [2023-12-02 21:57:49,293 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 964 transitions. [2023-12-02 21:57:49,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:57:49,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:49,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:49,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:57:49,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:03,278 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.