./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-token-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc8f4c0-4f50-47e0-9145-c10d9f08401c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc8f4c0-4f50-47e0-9145-c10d9f08401c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc8f4c0-4f50-47e0-9145-c10d9f08401c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc8f4c0-4f50-47e0-9145-c10d9f08401c/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-token-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc8f4c0-4f50-47e0-9145-c10d9f08401c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc8f4c0-4f50-47e0-9145-c10d9f08401c/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3438cae56d160b7d84eadaf1a799e28d3e56fe8aa8ad4206f8bf5c7c0818717b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:18:15,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:18:15,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc8f4c0-4f50-47e0-9145-c10d9f08401c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:18:15,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:18:15,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:18:15,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:18:15,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:18:15,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:18:15,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:18:15,424 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:18:15,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:18:15,425 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:18:15,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:18:15,426 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:18:15,427 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:18:15,428 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:18:15,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:18:15,429 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:18:15,430 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:18:15,430 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:18:15,431 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:18:15,432 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:18:15,432 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:18:15,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:18:15,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:15,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:18:15,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:18:15,435 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:18:15,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:18:15,436 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_1cc8f4c0-4f50-47e0-9145-c10d9f08401c/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc8f4c0-4f50-47e0-9145-c10d9f08401c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3438cae56d160b7d84eadaf1a799e28d3e56fe8aa8ad4206f8bf5c7c0818717b [2023-11-19 03:18:15,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:18:15,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:18:15,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:18:15,775 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:18:15,776 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:18:15,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc8f4c0-4f50-47e0-9145-c10d9f08401c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/forester-heap/sll-token-2.i [2023-11-19 03:18:19,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:18:19,591 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:18:19,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc8f4c0-4f50-47e0-9145-c10d9f08401c/sv-benchmarks/c/forester-heap/sll-token-2.i [2023-11-19 03:18:19,627 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc8f4c0-4f50-47e0-9145-c10d9f08401c/bin/ukojak-verify-G8NBE6pJGL/data/0acc52c7f/3a412afe5cf04700bb50f433497027a6/FLAG9e878d797 [2023-11-19 03:18:19,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc8f4c0-4f50-47e0-9145-c10d9f08401c/bin/ukojak-verify-G8NBE6pJGL/data/0acc52c7f/3a412afe5cf04700bb50f433497027a6 [2023-11-19 03:18:19,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:18:19,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:18:19,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:19,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:18:19,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:18:19,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:19" (1/1) ... [2023-11-19 03:18:19,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f84e69c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:19, skipping insertion in model container [2023-11-19 03:18:19,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:19" (1/1) ... [2023-11-19 03:18:19,753 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:18:20,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:20,101 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:18:20,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:20,235 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:18:20,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:20 WrapperNode [2023-11-19 03:18:20,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:20,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:20,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:18:20,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:18:20,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:20" (1/1) ... [2023-11-19 03:18:20,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:20" (1/1) ... [2023-11-19 03:18:20,313 INFO L138 Inliner]: procedures = 119, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2023-11-19 03:18:20,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:20,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:18:20,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:18:20,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:18:20,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:20" (1/1) ... [2023-11-19 03:18:20,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:20" (1/1) ... [2023-11-19 03:18:20,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:20" (1/1) ... [2023-11-19 03:18:20,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:20" (1/1) ... [2023-11-19 03:18:20,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:20" (1/1) ... [2023-11-19 03:18:20,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:20" (1/1) ... [2023-11-19 03:18:20,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:20" (1/1) ... [2023-11-19 03:18:20,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:20" (1/1) ... [2023-11-19 03:18:20,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:18:20,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:18:20,370 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:18:20,370 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:18:20,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:20" (1/1) ... [2023-11-19 03:18:20,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:20,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc8f4c0-4f50-47e0-9145-c10d9f08401c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:18:20,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc8f4c0-4f50-47e0-9145-c10d9f08401c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:18:20,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc8f4c0-4f50-47e0-9145-c10d9f08401c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:18:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:18:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:18:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:18:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:18:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:18:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:18:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:18:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:18:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:18:20,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:18:20,598 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:18:20,601 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:18:21,040 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:18:21,125 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:18:21,125 INFO L302 CfgBuilder]: Removed 15 assume(true) statements. [2023-11-19 03:18:21,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:21 BoogieIcfgContainer [2023-11-19 03:18:21,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:18:21,133 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:18:21,134 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:18:21,146 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:18:21,146 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:21" (1/1) ... [2023-11-19 03:18:21,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:18:21,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:21,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 120 states and 149 transitions. [2023-11-19 03:18:21,225 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 149 transitions. [2023-11-19 03:18:21,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:18:21,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:21,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:21,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:21,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 119 states and 148 transitions. [2023-11-19 03:18:21,503 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 148 transitions. [2023-11-19 03:18:21,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:18:21,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:21,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:21,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:21,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:21,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 118 states and 147 transitions. [2023-11-19 03:18:21,768 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 147 transitions. [2023-11-19 03:18:21,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:18:21,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:21,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:21,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:21,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:21,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 117 states and 146 transitions. [2023-11-19 03:18:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 146 transitions. [2023-11-19 03:18:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:18:21,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:21,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:21,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:22,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 116 states and 145 transitions. [2023-11-19 03:18:22,103 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 145 transitions. [2023-11-19 03:18:22,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:18:22,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:22,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:22,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:22,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:22,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 116 states and 143 transitions. [2023-11-19 03:18:22,143 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 143 transitions. [2023-11-19 03:18:22,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:18:22,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:22,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:22,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:22,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 119 states and 148 transitions. [2023-11-19 03:18:22,263 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 148 transitions. [2023-11-19 03:18:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:18:22,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:22,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:22,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:22,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 122 states and 153 transitions. [2023-11-19 03:18:22,675 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 153 transitions. [2023-11-19 03:18:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:18:22,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:22,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:22,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:22,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:22,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 123 states and 155 transitions. [2023-11-19 03:18:22,914 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 155 transitions. [2023-11-19 03:18:22,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:18:22,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:22,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:23,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:23,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:23,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 124 states and 158 transitions. [2023-11-19 03:18:23,402 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 158 transitions. [2023-11-19 03:18:23,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:18:23,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:23,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:23,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:23,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:23,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 123 states and 157 transitions. [2023-11-19 03:18:23,527 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 157 transitions. [2023-11-19 03:18:23,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:18:23,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:23,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:23,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:23,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 124 states and 158 transitions. [2023-11-19 03:18:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 158 transitions. [2023-11-19 03:18:23,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:18:23,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:23,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:23,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:23,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:23,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 123 states and 157 transitions. [2023-11-19 03:18:23,746 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 157 transitions. [2023-11-19 03:18:23,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:18:23,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:23,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:23,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:24,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:24,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 124 states and 159 transitions. [2023-11-19 03:18:24,175 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 159 transitions. [2023-11-19 03:18:24,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:18:24,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:24,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:24,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:24,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:24,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 123 states and 158 transitions. [2023-11-19 03:18:24,229 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 158 transitions. [2023-11-19 03:18:24,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:18:24,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:24,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:24,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:24,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 124 states and 160 transitions. [2023-11-19 03:18:24,306 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2023-11-19 03:18:24,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:18:24,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:24,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:24,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:24,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 126 states and 164 transitions. [2023-11-19 03:18:24,899 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 164 transitions. [2023-11-19 03:18:24,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:18:24,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:24,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:25,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:25,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:25,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 128 states and 168 transitions. [2023-11-19 03:18:25,808 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 168 transitions. [2023-11-19 03:18:25,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:18:25,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:25,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:26,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:26,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:26,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 130 states and 172 transitions. [2023-11-19 03:18:26,361 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 172 transitions. [2023-11-19 03:18:26,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:18:26,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:26,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:26,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:27,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:27,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 132 states and 176 transitions. [2023-11-19 03:18:27,888 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 176 transitions. [2023-11-19 03:18:27,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:18:27,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:27,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:27,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:27,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:27,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 132 states and 173 transitions. [2023-11-19 03:18:27,960 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 173 transitions. [2023-11-19 03:18:27,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:18:27,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:27,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:28,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:29,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:29,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 134 states and 175 transitions. [2023-11-19 03:18:29,575 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 175 transitions. [2023-11-19 03:18:29,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:18:29,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:29,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:29,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:31,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:31,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 143 states and 191 transitions. [2023-11-19 03:18:31,606 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 191 transitions. [2023-11-19 03:18:31,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:18:31,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:31,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:32,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:34,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:34,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 152 states and 209 transitions. [2023-11-19 03:18:34,259 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 209 transitions. [2023-11-19 03:18:34,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:18:34,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:34,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:34,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:37,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:37,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 158 states and 220 transitions. [2023-11-19 03:18:37,476 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 220 transitions. [2023-11-19 03:18:37,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:18:37,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:37,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:37,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:37,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:37,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 159 states and 221 transitions. [2023-11-19 03:18:37,868 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 221 transitions. [2023-11-19 03:18:37,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:18:37,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:37,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:38,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:39,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:39,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 163 states and 226 transitions. [2023-11-19 03:18:39,531 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 226 transitions. [2023-11-19 03:18:39,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:18:39,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:39,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:40,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:41,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:41,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 135 states and 184 transitions. [2023-11-19 03:18:41,305 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 184 transitions. [2023-11-19 03:18:41,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:18:41,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:41,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:41,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:41,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:41,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 134 states and 181 transitions. [2023-11-19 03:18:41,388 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 181 transitions. [2023-11-19 03:18:41,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:18:41,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:41,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:41,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:41,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 136 states and 184 transitions. [2023-11-19 03:18:41,491 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 184 transitions. [2023-11-19 03:18:41,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:18:41,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:41,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:41,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:41,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:41,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 135 states and 181 transitions. [2023-11-19 03:18:41,553 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 181 transitions. [2023-11-19 03:18:41,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:18:41,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:41,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:41,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:41,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 136 states and 182 transitions. [2023-11-19 03:18:41,628 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 182 transitions. [2023-11-19 03:18:41,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:18:41,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:41,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:42,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:43,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:43,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 123 states and 153 transitions. [2023-11-19 03:18:43,078 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 153 transitions. [2023-11-19 03:18:43,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:18:43,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:43,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:43,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:43,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:43,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 122 states and 151 transitions. [2023-11-19 03:18:43,133 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 151 transitions. [2023-11-19 03:18:43,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:18:43,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:43,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:43,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:43,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 125 states and 155 transitions. [2023-11-19 03:18:43,218 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 155 transitions. [2023-11-19 03:18:43,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:18:43,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:43,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:43,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:45,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:45,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 124 states and 152 transitions. [2023-11-19 03:18:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2023-11-19 03:18:45,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:18:45,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:45,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:45,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:45,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 123 states and 150 transitions. [2023-11-19 03:18:45,940 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 150 transitions. [2023-11-19 03:18:45,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:18:45,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:45,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:46,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:46,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 126 states and 156 transitions. [2023-11-19 03:18:46,042 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 156 transitions. [2023-11-19 03:18:46,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:18:46,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:46,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:48,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:55,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:55,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 133 states and 165 transitions. [2023-11-19 03:18:55,230 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 165 transitions. [2023-11-19 03:18:55,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:18:55,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:55,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:02,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:02,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 143 states and 178 transitions. [2023-11-19 03:19:02,105 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 178 transitions. [2023-11-19 03:19:02,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:19:02,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:02,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:03,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.