./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_93e45692-8bb4-41b9-bd9e-cd858681dd2d/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e45692-8bb4-41b9-bd9e-cd858681dd2d/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e45692-8bb4-41b9-bd9e-cd858681dd2d/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e45692-8bb4-41b9-bd9e-cd858681dd2d/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e45692-8bb4-41b9-bd9e-cd858681dd2d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e45692-8bb4-41b9-bd9e-cd858681dd2d/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 94a3c9718d8b0819c3a22a45f77fd4dac96406e3aa7eff964888695d6121efac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:45:39,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:45:39,140 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e45692-8bb4-41b9-bd9e-cd858681dd2d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:45:39,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:45:39,146 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:45:39,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:45:39,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:45:39,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:45:39,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:45:39,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:45:39,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:45:39,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:45:39,178 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:45:39,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:45:39,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:45:39,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:45:39,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:45:39,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:45:39,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:45:39,181 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:45:39,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:45:39,184 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:45:39,186 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:45:39,186 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:45:39,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:45:39,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:45:39,188 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:45:39,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:45:39,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:45:39,190 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:45:39,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:45:39,192 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:45:39,193 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_93e45692-8bb4-41b9-bd9e-cd858681dd2d/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e45692-8bb4-41b9-bd9e-cd858681dd2d/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94a3c9718d8b0819c3a22a45f77fd4dac96406e3aa7eff964888695d6121efac [2023-11-11 23:45:39,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:45:39,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:45:39,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:45:39,509 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:45:39,510 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:45:39,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e45692-8bb4-41b9-bd9e-cd858681dd2d/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c [2023-11-11 23:45:42,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:45:42,871 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:45:42,872 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e45692-8bb4-41b9-bd9e-cd858681dd2d/sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c [2023-11-11 23:45:42,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e45692-8bb4-41b9-bd9e-cd858681dd2d/bin/ukojak-verify-0OAaufAVZV/data/d982da1a9/300dd0b05c1340a186aff2b845db60a3/FLAG480082083 [2023-11-11 23:45:42,894 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e45692-8bb4-41b9-bd9e-cd858681dd2d/bin/ukojak-verify-0OAaufAVZV/data/d982da1a9/300dd0b05c1340a186aff2b845db60a3 [2023-11-11 23:45:42,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:45:42,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:45:42,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:45:42,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:45:42,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:45:42,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:45:42" (1/1) ... [2023-11-11 23:45:42,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e03b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:42, skipping insertion in model container [2023-11-11 23:45:42,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:45:42" (1/1) ... [2023-11-11 23:45:42,931 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:45:43,072 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e45692-8bb4-41b9-bd9e-cd858681dd2d/sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c[414,427] [2023-11-11 23:45:43,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:45:43,101 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:45:43,116 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e45692-8bb4-41b9-bd9e-cd858681dd2d/sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c[414,427] [2023-11-11 23:45:43,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:45:43,138 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:45:43,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:43 WrapperNode [2023-11-11 23:45:43,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:45:43,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:45:43,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:45:43,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:45:43,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:43" (1/1) ... [2023-11-11 23:45:43,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:43" (1/1) ... [2023-11-11 23:45:43,178 INFO L138 Inliner]: procedures = 15, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-11-11 23:45:43,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:45:43,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:45:43,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:45:43,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:45:43,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:43" (1/1) ... [2023-11-11 23:45:43,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:43" (1/1) ... [2023-11-11 23:45:43,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:43" (1/1) ... [2023-11-11 23:45:43,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:43" (1/1) ... [2023-11-11 23:45:43,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:43" (1/1) ... [2023-11-11 23:45:43,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:43" (1/1) ... [2023-11-11 23:45:43,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:43" (1/1) ... [2023-11-11 23:45:43,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:43" (1/1) ... [2023-11-11 23:45:43,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:45:43,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:45:43,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:45:43,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:45:43,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:43" (1/1) ... [2023-11-11 23:45:43,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:45:43,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e45692-8bb4-41b9-bd9e-cd858681dd2d/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:45:43,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e45692-8bb4-41b9-bd9e-cd858681dd2d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:45:43,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e45692-8bb4-41b9-bd9e-cd858681dd2d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:45:43,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:45:43,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:45:43,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:45:43,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:45:43,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:45:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:45:43,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:45:43,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:45:43,415 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:45:43,417 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:45:43,704 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:45:43,788 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:45:43,791 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:45:43,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:45:43 BoogieIcfgContainer [2023-11-11 23:45:43,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:45:43,800 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:45:43,800 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:45:43,811 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:45:43,811 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:45:43" (1/1) ... [2023-11-11 23:45:43,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:45:43,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:43,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2023-11-11 23:45:43,883 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2023-11-11 23:45:43,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:45:43,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:43,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:45:44,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:44,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-11 23:45:44,212 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-11 23:45:44,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:45:44,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:44,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:44,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:44,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-11 23:45:44,632 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-11 23:45:44,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:45:44,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:44,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:44,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-11 23:45:44,891 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-11 23:45:44,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:45:44,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:44,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:45,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:45,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:45,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2023-11-11 23:45:45,195 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2023-11-11 23:45:45,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:45:45,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:45,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:45,396 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:45,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:45,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-11 23:45:45,575 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-11 23:45:45,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:45:45,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:45,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:45,727 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:45,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:45,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-11 23:45:45,884 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-11 23:45:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:45:45,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:45,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:46,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:46,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-11 23:45:46,194 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-11 23:45:46,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:45:46,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:46,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:46,367 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-11 23:45:46,571 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-11 23:45:46,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:45:46,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:46,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:46,763 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:46,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:46,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-11 23:45:46,972 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-11 23:45:46,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:45:46,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:46,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:47,175 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:47,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:47,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-11 23:45:47,394 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-11 23:45:47,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:45:47,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:47,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:47,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:47,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-11 23:45:47,883 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-11 23:45:47,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:45:47,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:47,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:48,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-11 23:45:48,564 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-11 23:45:48,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:45:48,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:48,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:48,947 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:49,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:49,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-11-11 23:45:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-11 23:45:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:45:49,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:49,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:49,522 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:49,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2023-11-11 23:45:49,819 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-11 23:45:49,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:45:49,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:49,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:50,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:50,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-11-11 23:45:50,487 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-11-11 23:45:50,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:45:50,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:50,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:50,877 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:51,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:51,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2023-11-11 23:45:51,199 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-11-11 23:45:51,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:45:51,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:51,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:51,559 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:51,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:51,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-11 23:45:51,893 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-11 23:45:51,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:45:51,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:51,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:52,297 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:52,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:52,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2023-11-11 23:45:52,659 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-11-11 23:45:52,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:45:52,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:52,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:53,077 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:53,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:53,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2023-11-11 23:45:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-11 23:45:53,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:45:53,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:53,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:53,840 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:54,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2023-11-11 23:45:54,208 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-11 23:45:54,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:45:54,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:54,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:54,660 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:55,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:55,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2023-11-11 23:45:55,038 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2023-11-11 23:45:55,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:45:55,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:55,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:55,509 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:55,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:55,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2023-11-11 23:45:55,948 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-11-11 23:45:55,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:45:55,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:55,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:56,485 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:56,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:56,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-11 23:45:56,933 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-11 23:45:56,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:45:56,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:56,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:57,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:57,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2023-11-11 23:45:57,919 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-11-11 23:45:57,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:45:57,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:57,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:58,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:58,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2023-11-11 23:45:58,907 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2023-11-11 23:45:58,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:45:58,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:58,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:59,457 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:45:59,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:59,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 42 transitions. [2023-11-11 23:45:59,945 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2023-11-11 23:45:59,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:45:59,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:59,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:01,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:01,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2023-11-11 23:46:01,022 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-11-11 23:46:01,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:46:01,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:01,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:02,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2023-11-11 23:46:02,132 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2023-11-11 23:46:02,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:46:02,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:02,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:02,739 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:03,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:03,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2023-11-11 23:46:03,268 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2023-11-11 23:46:03,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:46:03,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:03,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:03,922 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:04,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:04,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2023-11-11 23:46:04,512 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2023-11-11 23:46:04,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:46:04,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:04,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:05,213 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:05,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:05,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 41 states and 47 transitions. [2023-11-11 23:46:05,739 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2023-11-11 23:46:05,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-11 23:46:05,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:05,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:06,524 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:07,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:07,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 42 states and 48 transitions. [2023-11-11 23:46:07,076 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2023-11-11 23:46:07,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:46:07,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:07,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:07,811 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:08,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:08,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2023-11-11 23:46:08,366 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2023-11-11 23:46:08,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-11 23:46:08,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:08,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:09,182 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:09,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 44 states and 50 transitions. [2023-11-11 23:46:09,773 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2023-11-11 23:46:09,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-11 23:46:09,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:09,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:10,596 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:11,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 45 states and 51 transitions. [2023-11-11 23:46:11,200 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2023-11-11 23:46:11,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-11 23:46:11,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:11,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:12,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:12,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 46 states and 52 transitions. [2023-11-11 23:46:12,628 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2023-11-11 23:46:12,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-11 23:46:12,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:12,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:13,474 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:14,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:14,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions. [2023-11-11 23:46:14,116 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2023-11-11 23:46:14,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-11 23:46:14,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:14,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:15,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:15,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 48 states and 54 transitions. [2023-11-11 23:46:15,718 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2023-11-11 23:46:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-11 23:46:15,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:15,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:16,541 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:17,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:17,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 49 states and 55 transitions. [2023-11-11 23:46:17,259 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2023-11-11 23:46:17,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:46:17,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:17,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:18,065 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:18,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 50 states and 56 transitions. [2023-11-11 23:46:18,664 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2023-11-11 23:46:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-11 23:46:18,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:18,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:19,413 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 51 states and 57 transitions. [2023-11-11 23:46:20,073 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2023-11-11 23:46:20,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-11 23:46:20,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:20,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:21,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:21,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 52 states and 58 transitions. [2023-11-11 23:46:21,728 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2023-11-11 23:46:21,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-11 23:46:21,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:21,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:23,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:23,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 53 states and 59 transitions. [2023-11-11 23:46:23,295 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2023-11-11 23:46:23,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-11 23:46:23,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:23,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:24,110 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:24,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:24,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 54 states and 60 transitions. [2023-11-11 23:46:24,786 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2023-11-11 23:46:24,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-11 23:46:24,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:24,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:25,733 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:26,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:26,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 55 states and 61 transitions. [2023-11-11 23:46:26,472 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2023-11-11 23:46:26,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-11 23:46:26,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:26,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat