./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a195769-f25a-4d93-a816-d09527b299f5/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a195769-f25a-4d93-a816-d09527b299f5/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a195769-f25a-4d93-a816-d09527b299f5/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a195769-f25a-4d93-a816-d09527b299f5/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a195769-f25a-4d93-a816-d09527b299f5/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a195769-f25a-4d93-a816-d09527b299f5/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 172ac4fa0310d14c59d9149bc1b8ec1548860e0b827250d611bfd9d710019753 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:20:24,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:24,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a195769-f25a-4d93-a816-d09527b299f5/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:20:24,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:20:24,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:20:25,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:25,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:25,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:25,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:25,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:25,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:25,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:25,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:20:25,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:25,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:25,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:25,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:25,038 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:20:25,038 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:20:25,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:25,039 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:25,040 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:25,040 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:25,041 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:25,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:25,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:25,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:25,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:25,044 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:25,045 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:20:25,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:20:25,046 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:25,046 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_8a195769-f25a-4d93-a816-d09527b299f5/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a195769-f25a-4d93-a816-d09527b299f5/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 172ac4fa0310d14c59d9149bc1b8ec1548860e0b827250d611bfd9d710019753 [2023-11-23 20:20:25,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:25,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:25,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:25,437 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:25,438 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:25,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a195769-f25a-4d93-a816-d09527b299f5/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c [2023-11-23 20:20:28,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:28,872 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:28,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a195769-f25a-4d93-a816-d09527b299f5/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c [2023-11-23 20:20:28,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a195769-f25a-4d93-a816-d09527b299f5/bin/ukojak-verify-1t5iHCbJaC/data/20d4c383b/7925ca5b9cd74e1e8cc685bb5b143482/FLAG2d1dc7ca9 [2023-11-23 20:20:28,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a195769-f25a-4d93-a816-d09527b299f5/bin/ukojak-verify-1t5iHCbJaC/data/20d4c383b/7925ca5b9cd74e1e8cc685bb5b143482 [2023-11-23 20:20:28,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:28,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:28,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:28,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:28,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:28,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:28" (1/1) ... [2023-11-23 20:20:28,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98de7fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:28, skipping insertion in model container [2023-11-23 20:20:28,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:28" (1/1) ... [2023-11-23 20:20:28,954 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:29,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:29,157 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:29,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:29,189 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:29,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:29 WrapperNode [2023-11-23 20:20:29,190 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:29,191 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:29,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:29,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:29,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:29" (1/1) ... [2023-11-23 20:20:29,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:29" (1/1) ... [2023-11-23 20:20:29,229 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2023-11-23 20:20:29,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:29,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:29,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:29,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:29,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:29" (1/1) ... [2023-11-23 20:20:29,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:29" (1/1) ... [2023-11-23 20:20:29,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:29" (1/1) ... [2023-11-23 20:20:29,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:29" (1/1) ... [2023-11-23 20:20:29,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:29" (1/1) ... [2023-11-23 20:20:29,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:29" (1/1) ... [2023-11-23 20:20:29,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:29" (1/1) ... [2023-11-23 20:20:29,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:29" (1/1) ... [2023-11-23 20:20:29,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:29,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:29,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:29,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:29,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:29" (1/1) ... [2023-11-23 20:20:29,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:29,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a195769-f25a-4d93-a816-d09527b299f5/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:29,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a195769-f25a-4d93-a816-d09527b299f5/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:29,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a195769-f25a-4d93-a816-d09527b299f5/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:29,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:29,441 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:29,443 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:29,552 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:29,588 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:29,588 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:20:29,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:29 BoogieIcfgContainer [2023-11-23 20:20:29,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:29,592 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:29,592 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:29,602 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:29,602 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:29" (1/1) ... [2023-11-23 20:20:29,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:20:29,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:29,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-23 20:20:29,680 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-23 20:20:29,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:20:29,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:29,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:29,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:29,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-23 20:20:29,966 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-23 20:20:29,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:20:29,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:29,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:30,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:30,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2023-11-23 20:20:30,395 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2023-11-23 20:20:30,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:20:30,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:30,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:30,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:30,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:30,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2023-11-23 20:20:30,986 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-11-23 20:20:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:20:30,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:30,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:31,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:20:31,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:31,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2023-11-23 20:20:31,570 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2023-11-23 20:20:31,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:20:31,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:31,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:31,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:32,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:32,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2023-11-23 20:20:32,298 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2023-11-23 20:20:32,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:20:32,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:32,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:32,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:20:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:33,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2023-11-23 20:20:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2023-11-23 20:20:33,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:20:33,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:33,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:33,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:33,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:33,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2023-11-23 20:20:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2023-11-23 20:20:33,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:20:33,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:33,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:34,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:20:34,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:34,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2023-11-23 20:20:34,126 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2023-11-23 20:20:34,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:20:34,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:34,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:34,162 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:34,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:34,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2023-11-23 20:20:34,740 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2023-11-23 20:20:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:20:34,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:34,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:34,770 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:35,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:35,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 49 states and 75 transitions. [2023-11-23 20:20:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 75 transitions. [2023-11-23 20:20:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:20:35,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:35,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:35,734 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:20:36,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:36,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 53 states and 84 transitions. [2023-11-23 20:20:36,857 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 84 transitions. [2023-11-23 20:20:36,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:20:36,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:36,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:36,916 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:37,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:37,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 96 transitions. [2023-11-23 20:20:37,790 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2023-11-23 20:20:37,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:20:37,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:37,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:37,818 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:20:38,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:38,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 62 states and 98 transitions. [2023-11-23 20:20:38,481 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 98 transitions. [2023-11-23 20:20:38,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:20:38,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:38,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:38,508 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:20:38,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:38,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 65 states and 101 transitions. [2023-11-23 20:20:38,872 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2023-11-23 20:20:38,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:20:38,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:38,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:20:42,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:42,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 82 states and 132 transitions. [2023-11-23 20:20:42,959 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 132 transitions. [2023-11-23 20:20:42,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:20:42,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:42,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:43,357 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:45,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:45,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 86 states and 150 transitions. [2023-11-23 20:20:45,219 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 150 transitions. [2023-11-23 20:20:45,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:20:45,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:45,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:20:49,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:49,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 96 states and 166 transitions. [2023-11-23 20:20:49,947 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 166 transitions. [2023-11-23 20:20:49,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:20:49,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:49,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:49,999 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-23 20:20:52,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:52,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 99 states and 170 transitions. [2023-11-23 20:20:52,276 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 170 transitions. [2023-11-23 20:20:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:20:52,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:52,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:52,318 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-23 20:20:53,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:53,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 102 states and 173 transitions. [2023-11-23 20:20:53,720 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 173 transitions. [2023-11-23 20:20:53,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:20:53,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:53,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:53,760 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-23 20:20:54,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:54,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 105 states and 176 transitions. [2023-11-23 20:20:54,651 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 176 transitions. [2023-11-23 20:20:54,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:20:54,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:54,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-23 20:20:56,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:56,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 105 states and 175 transitions. [2023-11-23 20:20:56,558 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 175 transitions. [2023-11-23 20:20:56,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:20:56,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:56,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:57,829 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:20:59,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 105 states and 173 transitions. [2023-11-23 20:20:59,952 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 173 transitions. [2023-11-23 20:20:59,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:20:59,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:59,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:21:03,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:03,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 108 states and 185 transitions. [2023-11-23 20:21:03,552 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 185 transitions. [2023-11-23 20:21:03,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:21:03,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:03,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:03,593 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-23 20:21:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:04,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 108 states and 184 transitions. [2023-11-23 20:21:04,157 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2023-11-23 20:21:04,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:21:04,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:04,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:04,193 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-23 20:21:05,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:05,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 108 states and 181 transitions. [2023-11-23 20:21:05,317 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 181 transitions. [2023-11-23 20:21:05,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:21:05,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:05,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:05,917 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:21:10,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:10,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 118 states and 217 transitions. [2023-11-23 20:21:10,955 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2023-11-23 20:21:10,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:21:10,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:10,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:11,014 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:21:11,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:11,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 119 states and 219 transitions. [2023-11-23 20:21:11,489 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 219 transitions. [2023-11-23 20:21:11,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:21:11,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:11,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:12,025 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 11 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:21:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 126 states and 227 transitions. [2023-11-23 20:21:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 227 transitions. [2023-11-23 20:21:16,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:21:16,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:16,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:16,255 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 11 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:21:18,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:18,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 130 states and 235 transitions. [2023-11-23 20:21:18,265 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 235 transitions. [2023-11-23 20:21:18,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:21:18,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:18,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:18,539 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 11 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:21:19,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 133 states and 239 transitions. [2023-11-23 20:21:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 239 transitions. [2023-11-23 20:21:19,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:21:19,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:19,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:19,586 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-23 20:21:21,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:21,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 133 states and 237 transitions. [2023-11-23 20:21:21,199 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 237 transitions. [2023-11-23 20:21:21,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:21:21,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:21,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:21,250 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.