./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461542d3-902f-44ab-9c4d-b30dc3ac08d1/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461542d3-902f-44ab-9c4d-b30dc3ac08d1/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461542d3-902f-44ab-9c4d-b30dc3ac08d1/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461542d3-902f-44ab-9c4d-b30dc3ac08d1/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461542d3-902f-44ab-9c4d-b30dc3ac08d1/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461542d3-902f-44ab-9c4d-b30dc3ac08d1/bin/ukojak-verify-i0I2FZA1j2 --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 64bit --witnessprinter.graph.data.programhash ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:16,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:16,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461542d3-902f-44ab-9c4d-b30dc3ac08d1/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:31:16,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:31:16,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:31:16,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:16,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:16,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:16,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:16,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:16,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:16,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:16,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:31:16,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:16,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:16,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:16,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:16,258 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:16,259 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:16,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:16,260 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:16,262 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:16,262 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:16,263 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:16,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:16,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:16,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:16,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:16,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:16,268 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:31:16,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:31:16,270 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:16,271 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_461542d3-902f-44ab-9c4d-b30dc3ac08d1/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461542d3-902f-44ab-9c4d-b30dc3ac08d1/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 [2023-11-21 18:31:16,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:16,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:16,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:16,659 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:16,660 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:16,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461542d3-902f-44ab-9c4d-b30dc3ac08d1/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2023-11-21 18:31:20,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:20,243 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:20,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461542d3-902f-44ab-9c4d-b30dc3ac08d1/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2023-11-21 18:31:20,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461542d3-902f-44ab-9c4d-b30dc3ac08d1/bin/ukojak-verify-i0I2FZA1j2/data/40d9bc615/154d44e8cb634ca4b9b92291a1580a8e/FLAG8a043c508 [2023-11-21 18:31:20,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461542d3-902f-44ab-9c4d-b30dc3ac08d1/bin/ukojak-verify-i0I2FZA1j2/data/40d9bc615/154d44e8cb634ca4b9b92291a1580a8e [2023-11-21 18:31:20,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:20,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:20,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:20,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:20,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:20,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:20" (1/1) ... [2023-11-21 18:31:20,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3173276e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:20, skipping insertion in model container [2023-11-21 18:31:20,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:20" (1/1) ... [2023-11-21 18:31:20,309 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:20,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:20,461 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:20,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:20,485 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:20,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:20 WrapperNode [2023-11-21 18:31:20,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:20,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:20,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:20,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:20,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:20" (1/1) ... [2023-11-21 18:31:20,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:20" (1/1) ... [2023-11-21 18:31:20,515 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2023-11-21 18:31:20,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:20,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:20,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:20,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:20,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:20" (1/1) ... [2023-11-21 18:31:20,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:20" (1/1) ... [2023-11-21 18:31:20,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:20" (1/1) ... [2023-11-21 18:31:20,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:20" (1/1) ... [2023-11-21 18:31:20,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:20" (1/1) ... [2023-11-21 18:31:20,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:20" (1/1) ... [2023-11-21 18:31:20,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:20" (1/1) ... [2023-11-21 18:31:20,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:20" (1/1) ... [2023-11-21 18:31:20,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:20,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:20,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:20,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:20,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:20" (1/1) ... [2023-11-21 18:31:20,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:20,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461542d3-902f-44ab-9c4d-b30dc3ac08d1/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:20,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461542d3-902f-44ab-9c4d-b30dc3ac08d1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:20,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461542d3-902f-44ab-9c4d-b30dc3ac08d1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:20,708 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:20,711 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:20,871 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:20,914 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:31:20,921 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:31:20,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:20 BoogieIcfgContainer [2023-11-21 18:31:20,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:31:20,925 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:31:20,926 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:31:20,937 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:31:20,937 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:20" (1/1) ... [2023-11-21 18:31:20,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:31:21,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:21,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-21 18:31:21,011 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-21 18:31:21,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:31:21,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:21,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:21,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:21,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:21,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-21 18:31:21,216 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-21 18:31:21,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:31:21,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:21,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:21,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:21,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-21 18:31:21,399 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-21 18:31:21,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:31:21,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:21,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:21,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:21,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:21,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-21 18:31:21,709 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-21 18:31:21,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:31:21,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:21,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:21,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:22,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-11-21 18:31:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-21 18:31:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:31:22,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:22,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:31:22,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2023-11-21 18:31:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2023-11-21 18:31:22,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:31:22,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:22,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:22,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:22,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:22,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-21 18:31:22,555 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-21 18:31:22,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:31:22,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:22,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:22,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:22,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:22,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-21 18:31:22,834 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-21 18:31:22,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:31:22,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:22,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:22,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:22,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:22,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2023-11-21 18:31:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2023-11-21 18:31:22,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:31:22,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:22,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:22,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:31:23,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:23,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-11-21 18:31:23,059 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-11-21 18:31:23,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:31:23,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:23,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:23,147 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:31:23,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:23,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2023-11-21 18:31:23,523 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2023-11-21 18:31:23,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:31:23,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:23,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:23,546 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:31:23,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:23,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2023-11-21 18:31:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-11-21 18:31:23,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:31:23,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:23,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:23,729 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:31:23,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2023-11-21 18:31:23,896 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-21 18:31:23,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:31:23,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:23,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:23,956 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:31:24,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:24,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2023-11-21 18:31:24,141 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2023-11-21 18:31:24,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:31:24,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:24,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:24,387 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:24,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2023-11-21 18:31:24,931 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2023-11-21 18:31:24,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:31:24,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:24,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:25,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:25,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2023-11-21 18:31:25,409 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2023-11-21 18:31:25,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:31:25,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:25,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:26,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:26,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2023-11-21 18:31:26,017 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2023-11-21 18:31:26,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:31:26,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:26,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 40 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:26,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:26,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 44 states and 60 transitions. [2023-11-21 18:31:26,893 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2023-11-21 18:31:26,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:31:26,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:26,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:26,994 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 50 proven. 30 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:31:27,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2023-11-21 18:31:27,395 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2023-11-21 18:31:27,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:31:27,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,631 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 60 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:28,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 75 transitions. [2023-11-21 18:31:28,634 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2023-11-21 18:31:28,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:31:28,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:28,743 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 78 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-21 18:31:29,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:29,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 56 states and 78 transitions. [2023-11-21 18:31:29,184 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2023-11-21 18:31:29,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:31:29,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:29,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:29,409 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 83 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:30,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2023-11-21 18:31:30,541 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-11-21 18:31:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:31:30,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:30,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 112 proven. 63 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:31:31,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 65 states and 94 transitions. [2023-11-21 18:31:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 94 transitions. [2023-11-21 18:31:31,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:31:31,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:31,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 109 proven. 137 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:32,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 71 states and 108 transitions. [2023-11-21 18:31:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2023-11-21 18:31:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:31:32,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:32,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:32,899 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 152 proven. 84 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-21 18:31:33,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:33,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 74 states and 111 transitions. [2023-11-21 18:31:33,391 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2023-11-21 18:31:33,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:31:33,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:33,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:33,776 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 138 proven. 191 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:35,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:35,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 80 states and 126 transitions. [2023-11-21 18:31:35,155 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2023-11-21 18:31:35,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:31:35,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:35,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:35,315 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 198 proven. 108 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-21 18:31:35,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:35,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 83 states and 129 transitions. [2023-11-21 18:31:35,857 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2023-11-21 18:31:35,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:31:35,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:35,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:36,190 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 170 proven. 254 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:37,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:37,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 89 states and 145 transitions. [2023-11-21 18:31:37,667 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 145 transitions. [2023-11-21 18:31:37,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:31:37,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:37,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:37,856 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 250 proven. 135 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-21 18:31:38,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:38,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 92 states and 148 transitions. [2023-11-21 18:31:38,510 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 148 transitions. [2023-11-21 18:31:38,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:31:38,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:38,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:38,888 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 205 proven. 326 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:40,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:40,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 98 states and 165 transitions. [2023-11-21 18:31:40,472 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 165 transitions. [2023-11-21 18:31:40,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:31:40,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:40,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:40,670 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 308 proven. 165 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-21 18:31:41,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:41,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 168 transitions. [2023-11-21 18:31:41,350 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 168 transitions. [2023-11-21 18:31:41,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:31:41,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:41,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:41,763 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 243 proven. 407 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:43,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:43,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 107 states and 186 transitions. [2023-11-21 18:31:43,590 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 186 transitions. [2023-11-21 18:31:43,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 18:31:43,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:43,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:43,810 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 372 proven. 198 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:31:44,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:44,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 110 states and 189 transitions. [2023-11-21 18:31:44,505 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 189 transitions. [2023-11-21 18:31:44,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:31:44,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:44,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 284 proven. 497 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:46,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:46,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 116 states and 208 transitions. [2023-11-21 18:31:46,818 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 208 transitions. [2023-11-21 18:31:46,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-21 18:31:46,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:46,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 442 proven. 234 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-21 18:31:47,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 119 states and 211 transitions. [2023-11-21 18:31:47,859 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 211 transitions. [2023-11-21 18:31:47,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-21 18:31:47,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:47,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:48,323 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 328 proven. 596 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:50,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:50,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 125 states and 231 transitions. [2023-11-21 18:31:50,253 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 231 transitions. [2023-11-21 18:31:50,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-21 18:31:50,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:50,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:50,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 518 proven. 273 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-21 18:31:51,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:51,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 128 states and 234 transitions. [2023-11-21 18:31:51,388 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 234 transitions. [2023-11-21 18:31:51,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-21 18:31:51,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:51,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 375 proven. 704 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:54,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 134 states and 255 transitions. [2023-11-21 18:31:54,007 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 255 transitions. [2023-11-21 18:31:54,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-21 18:31:54,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 600 proven. 315 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-21 18:31:55,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:55,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 137 states and 258 transitions. [2023-11-21 18:31:55,147 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 258 transitions. [2023-11-21 18:31:55,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-21 18:31:55,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:55,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:55,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 425 proven. 821 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:58,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 143 states and 280 transitions. [2023-11-21 18:31:58,124 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 280 transitions. [2023-11-21 18:31:58,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-21 18:31:58,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:58,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:58,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 688 proven. 360 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-21 18:31:59,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:59,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 146 states and 283 transitions. [2023-11-21 18:31:59,340 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 283 transitions. [2023-11-21 18:31:59,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-21 18:31:59,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:59,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:59,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1427 backedges. 478 proven. 947 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:02,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:02,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 152 states and 306 transitions. [2023-11-21 18:32:02,264 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 306 transitions. [2023-11-21 18:32:02,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-21 18:32:02,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:02,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 782 proven. 408 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-21 18:32:03,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:03,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 155 states and 309 transitions. [2023-11-21 18:32:03,539 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 309 transitions. [2023-11-21 18:32:03,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-21 18:32:03,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:03,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:04,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 534 proven. 1082 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:06,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:06,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 161 states and 333 transitions. [2023-11-21 18:32:06,679 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 333 transitions. [2023-11-21 18:32:06,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-21 18:32:06,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:06,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:07,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 882 proven. 459 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked.