./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.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_2db2fab8-5757-4692-93cf-6dec536776e3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db2fab8-5757-4692-93cf-6dec536776e3/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db2fab8-5757-4692-93cf-6dec536776e3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db2fab8-5757-4692-93cf-6dec536776e3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db2fab8-5757-4692-93cf-6dec536776e3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db2fab8-5757-4692-93cf-6dec536776e3/bin/ukojak-verify-afCqCEvfdi --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 4018f196b5be3ea7c518259557cd649a90434a9cacf1ef4108caf962c0feb788 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:24,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:24,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db2fab8-5757-4692-93cf-6dec536776e3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:15:24,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:15:24,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:15:24,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:24,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:15:24,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:15:24,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:24,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:24,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:24,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:15:24,664 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:15:24,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:15:24,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:15:24,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:24,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:15:24,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:24,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:15:24,668 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:15:24,669 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:15:24,670 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:15:24,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:15:24,671 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:24,671 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:24,672 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:24,672 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:24,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:24,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:24,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:24,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:24,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:15:24,675 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:15:24,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:15:24,676 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:15:24,676 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_2db2fab8-5757-4692-93cf-6dec536776e3/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db2fab8-5757-4692-93cf-6dec536776e3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018f196b5be3ea7c518259557cd649a90434a9cacf1ef4108caf962c0feb788 [2023-11-24 22:15:24,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:25,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:25,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:25,005 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:25,006 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:25,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db2fab8-5757-4692-93cf-6dec536776e3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c [2023-11-24 22:15:28,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:28,353 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:28,354 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db2fab8-5757-4692-93cf-6dec536776e3/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c [2023-11-24 22:15:28,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db2fab8-5757-4692-93cf-6dec536776e3/bin/ukojak-verify-afCqCEvfdi/data/36c65b5d5/c27e1bfc0a774f0b955ddab98ca9da90/FLAG6c887bb68 [2023-11-24 22:15:28,384 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db2fab8-5757-4692-93cf-6dec536776e3/bin/ukojak-verify-afCqCEvfdi/data/36c65b5d5/c27e1bfc0a774f0b955ddab98ca9da90 [2023-11-24 22:15:28,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:28,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:28,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:28,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:28,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:28,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3aca25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28, skipping insertion in model container [2023-11-24 22:15:28,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,444 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:28,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:28,704 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:28,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:28,749 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:28,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28 WrapperNode [2023-11-24 22:15:28,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:28,751 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:28,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:28,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:28,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,827 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-11-24 22:15:28,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:28,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:28,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:28,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:28,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:28,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:28,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:28,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:28,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:28,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db2fab8-5757-4692-93cf-6dec536776e3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:28,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db2fab8-5757-4692-93cf-6dec536776e3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:28,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2db2fab8-5757-4692-93cf-6dec536776e3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:15:28,978 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:15:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:15:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:28,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:28,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:15:28,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:15:29,076 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:29,079 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:15:29,594 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:15:29,643 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:15:29,643 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:15:29,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:29 BoogieIcfgContainer [2023-11-24 22:15:29,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:15:29,647 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:15:29,647 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:15:29,660 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:15:29,661 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:29" (1/1) ... [2023-11-24 22:15:29,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:15:29,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 132 states and 136 transitions. [2023-11-24 22:15:29,755 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2023-11-24 22:15:29,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:15:29,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:29,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:29,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:30,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:30,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 131 states and 135 transitions. [2023-11-24 22:15:30,031 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2023-11-24 22:15:30,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:15:30,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:30,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:30,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:30,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 130 states and 134 transitions. [2023-11-24 22:15:30,166 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2023-11-24 22:15:30,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:15:30,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:30,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:30,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:30,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:30,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 129 states and 133 transitions. [2023-11-24 22:15:30,616 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 133 transitions. [2023-11-24 22:15:30,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:15:30,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:30,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:30,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:31,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:31,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 128 states and 132 transitions. [2023-11-24 22:15:31,342 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 132 transitions. [2023-11-24 22:15:31,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:15:31,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:31,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:31,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:15:31,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:31,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:31,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:31,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 130 states and 134 transitions. [2023-11-24 22:15:31,505 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2023-11-24 22:15:31,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:15:31,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:31,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:31,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:15:31,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:31,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:31,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:31,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 131 states and 135 transitions. [2023-11-24 22:15:31,570 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2023-11-24 22:15:31,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:15:31,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:31,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:31,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:15:31,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:31,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:31,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:31,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 135 states and 141 transitions. [2023-11-24 22:15:31,819 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2023-11-24 22:15:31,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:15:31,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:31,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:31,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:15:31,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:31,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:31,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:31,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 136 states and 142 transitions. [2023-11-24 22:15:31,883 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2023-11-24 22:15:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:15:31,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:31,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:31,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:15:31,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:31,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:32,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:32,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 139 states and 147 transitions. [2023-11-24 22:15:32,170 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 147 transitions. [2023-11-24 22:15:32,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:15:32,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:32,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:32,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:15:32,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:32,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:32,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:32,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 143 states and 153 transitions. [2023-11-24 22:15:32,535 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 153 transitions. [2023-11-24 22:15:32,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:15:32,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:32,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:32,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:15:32,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:32,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:32,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:32,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 146 states and 159 transitions. [2023-11-24 22:15:32,982 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 159 transitions. [2023-11-24 22:15:32,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:15:32,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:32,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:33,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:15:33,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:33,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:33,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 150 states and 166 transitions. [2023-11-24 22:15:33,598 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 166 transitions. [2023-11-24 22:15:33,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:15:33,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:33,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:33,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:15:33,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:33,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:34,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:34,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 154 states and 172 transitions. [2023-11-24 22:15:34,186 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 172 transitions. [2023-11-24 22:15:34,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:15:34,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:34,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:34,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:15:34,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:34,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:34,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 158 states and 178 transitions. [2023-11-24 22:15:34,863 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 178 transitions. [2023-11-24 22:15:34,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:15:34,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:34,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:34,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 22:15:34,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:35,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:15:38,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:38,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 170 states and 193 transitions. [2023-11-24 22:15:38,052 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 193 transitions. [2023-11-24 22:15:38,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:15:38,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:38,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:38,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:15:38,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:15:38,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:38,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 171 states and 195 transitions. [2023-11-24 22:15:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 195 transitions. [2023-11-24 22:15:38,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:15:38,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:38,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:38,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:38,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:38,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:40,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:40,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 185 states and 213 transitions. [2023-11-24 22:15:40,591 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 213 transitions. [2023-11-24 22:15:40,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:15:40,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:40,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:40,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:40,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:42,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:42,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 200 states and 232 transitions. [2023-11-24 22:15:42,883 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 232 transitions. [2023-11-24 22:15:42,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:15:42,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:42,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:42,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:15:42,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:43,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:15:46,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:46,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 216 states and 253 transitions. [2023-11-24 22:15:46,956 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 253 transitions. [2023-11-24 22:15:46,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:15:46,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:46,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:46,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:15:46,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:47,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:48,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:48,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 222 states and 261 transitions. [2023-11-24 22:15:48,779 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 261 transitions. [2023-11-24 22:15:48,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:15:48,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:48,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:48,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:15:48,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:49,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:51,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 240 states and 285 transitions. [2023-11-24 22:15:51,816 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 285 transitions. [2023-11-24 22:15:51,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:15:51,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:51,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:51,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:15:51,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:55,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:55,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 259 states and 311 transitions. [2023-11-24 22:15:55,919 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 311 transitions. [2023-11-24 22:15:55,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:15:55,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:55,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:55,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:15:55,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:56,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:00,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 277 states and 337 transitions. [2023-11-24 22:16:00,172 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 337 transitions. [2023-11-24 22:16:00,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:16:00,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:00,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:00,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:16:00,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:00,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:01,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:01,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 283 states and 348 transitions. [2023-11-24 22:16:01,780 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 348 transitions. [2023-11-24 22:16:01,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:16:01,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:01,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:01,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:16:01,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:02,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:04,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:04,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 289 states and 360 transitions. [2023-11-24 22:16:04,212 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 360 transitions. [2023-11-24 22:16:04,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:16:04,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:04,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:04,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:16:04,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:04,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:06,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:06,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 296 states and 373 transitions. [2023-11-24 22:16:06,104 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 373 transitions. [2023-11-24 22:16:06,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:16:06,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:06,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:06,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:16:06,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:08,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:08,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 303 states and 387 transitions. [2023-11-24 22:16:08,936 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 387 transitions. [2023-11-24 22:16:08,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:16:08,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:08,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:08,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:16:09,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:09,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:11,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 309 states and 399 transitions. [2023-11-24 22:16:11,343 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 399 transitions. [2023-11-24 22:16:11,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:16:11,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:11,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:11,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:16:11,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:11,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:11,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:11,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 311 states and 402 transitions. [2023-11-24 22:16:11,775 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 402 transitions. [2023-11-24 22:16:11,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:16:11,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:11,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:11,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:16:11,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:12,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:13,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:13,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 312 states and 404 transitions. [2023-11-24 22:16:13,183 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 404 transitions. [2023-11-24 22:16:13,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:16:13,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:13,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:13,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:16:13,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:13,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:13,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:13,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 314 states and 407 transitions. [2023-11-24 22:16:13,477 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 407 transitions. [2023-11-24 22:16:13,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:16:13,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:13,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:13,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:16:13,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:13,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:14,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:14,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 316 states and 410 transitions. [2023-11-24 22:16:14,903 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 410 transitions. [2023-11-24 22:16:14,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:16:14,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:14,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:14,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:16:14,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:15,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.